Komatsu WA600-8 Operation & Maintenance Manual Download | Manualshive

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WA600

-8

SERIAL NUMBER

WA600-8 - 80001

and up

WHEEL LOADER

Unsafe use of this machine may cause serious injury or
death. Operators and maintenance personnel must read
this manual before operating or maintaining this
machine. This manual should be kept inside the cab for
reference and periodically reviewed by all personnel who
will come into contact with the machine.

Operation &
Maintenance Manual

EENAM03470

WARNING

ORIGINAL INSTRUCTIONS

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Summary of Contents for WA600-8

Page 1: ...Operators and maintenance personnel must read this manual before operating or maintaining this machine This manual should be kept inside the cab for reference and periodically reviewed by all personn...

Page 2: ......

Page 3: ...uine new Komatsu or Ko matsu approved rebuilt parts or assemblies or others parts of equivalent quality and that the engine be serviced by an authorized Komatsu distribu tor Failure to follow these re...

Page 4: ...at any time Keep it in pocket 1 behind the operator s seat If this manual is lost or damaged contact Komatsu or your Komatsu distributor and tell them about the machine model name and the serial No im...

Page 5: ...ER This signal word indicates an imminently hazardous situation which if not avoided will result in death or serious injury k k WARNING This signal word indicates a potentially hazardous situation whi...

Page 6: ...of the standard deviation of the meas ured time averaged A weighted emission sound pressure level at the operator s position is 2 5dB in accordance with ISO 11201 Sound power level emitted by the mach...

Page 7: ...3 Keep the terrain where the machine is working and travelling in good condition Remove any large rocks or obstacles Fill any ditches and holes Site manager should provide machine operators with machi...

Page 8: ...Do not repeatedly handle and lift loads VIBRATION LEVELS FOREWORD 1 6...

Page 9: ...eat in the direction of travel front of the machine VISIBILITY FROM OPERATOR S SEAT The visibility of this machine required by visibility standards ISO 5006 is shown as follows Proximity visibility Th...

Page 10: ...12 m Shaded area B in the figure shows an area whose view is blocked when the machine is equipped with the mirrors rearview camera and other visibility assistant devices Be fully aware that there is...

Page 11: ...l Exhaust Fluid into the exhaust gas produces a reaction between the nitrogen oxides and ammonia generated from the urea solution and decomposes the nitrogen oxides into nitrogen and water About Diese...

Page 12: ...CHINE SERI AL NO PLATE This is located at the center of the front frame on the right side of the machine The design of the nameplate varies according to the district LOCATION OF ENGINE NUMBER PLATE Th...

Page 13: ...ial No Engine serial No Product identification number PIN Manufacturers name Address KOMATSU LTD 2 3 6 Akasaka Minato ku Tokyo 107 8414 Japan Authorised representative Address KOMATSU EUROPE INT Meche...

Page 14: ...B D F G H EI000001 A MACHINE DESIGNATION TYPE E ENGINE POWER B SERIAL NUMBER F PRODUCT IDENTIFICATION NUMBER C YEAR OF CONSTRUCTION G MANUFACTURER D OPERATING MASS H AUTHORISED REPRESENTATIVE SERIAL P...

Page 15: ...ne WA600 8 Fulfils all the relevant provisions of following EC Directives Machinery Directive 2006 42 EC Electro Magnetic Compatibility Directive 2004 108 EC until 19 April 2016 2014 30 EU after 20 Ap...

Page 16: ...REPARATIONS FOR SAFE OPERATION 2 15 PRECAUTIONS TO PREVENT FIRE 2 16 PRECAUTIONS WHEN GETTING ON OR OFF MACHINE 2 18 DO NOT GET CAUGHT 2 22 PRECAUTIONS RELATED TO PROTECTIVE STRUCTURES 2 22 UNAUTHORIZ...

Page 17: ...3 265 HANDLE RADIO 3 270 EXPLANATION OF RADIO EQUIPMENT 3 270 METHOD FOR CONTROLLING RADIO 3 272 TRANSPORTATION 3 275 TRANSPORTATION PROCEDURE 3 275 LOADING AND UNLOADING WITH TRAILER 3 275 METHOD FOR...

Page 18: ...CE 4 43 EVERY 250 HOURS MAINTENANCE 4 48 EVERY 500 HOURS MAINTENANCE 4 52 EVERY 1000 HOURS MAINTENANCE 4 62 EVERY 2000 HOURS MAINTENANCE 4 67 EVERY 4000 HOURS MAINTENANCE 4 85 EVERY 4500 HOURS MAINTEN...

Page 19: ...LUBRICANT 7 5 LUBRICATION CHART 7 5 METHOD FOR USING FUEL COOLANT AND LUBRICANTS ACCORDING TO AMBIENT TEMPERA TURE 7 7 RECOMMENDED BRANDS AND QUALITIES OTHER THAN KOMATSU GENUINE OILS 7 9 INDEX 8 1 FO...

Page 20: ......

Page 21: ...se read and make sure that you fully understand the precautions descri bed in this manual and the safety labels on the machine When operating or servicing the machine always follow these precautions s...

Page 22: ...TE EXIT OF CAB 2 21 ELECTROMAGNETIC INTERFERENCE 2 21 PRECAUTIONS FOR CLEANING CAB GLASS 2 22 DO NOT GET CAUGHT 2 22 PRECAUTIONS RELATED TO PROTECTIVE STRUCTURES 2 22 UNAUTHORIZED MODIFICATION 2 22 PR...

Page 23: ...MACHINE 2 40 PRECAUTIONS WHEN WORKING UNDER MACHINE OR WORK EQUIPMENT 2 40 USE PROPER TOOLS 2 40 PRECAUTIONS FOR CHECK AND MAINTENANCE 2 40 TURN BATTERY DISCONNECT SWITCH TO OFF POSITION 2 40 PRECAUTI...

Page 24: ...ly When cleaning the safety labels do not use organic solvents or gasoline These may cause the labels to peel off If the safety labels are damaged lost or cannot be read properly replace them with new...

Page 25: ...LOCATION OF SAFETY LABELS SAFETY SAFETY LABELS 2 5...

Page 26: ...Only for the machine equipped with ECSS 1 Caution before operating 2 Caution when leaving operator s seat 3 Caution when traveling in reverse 4 Caution for electric cables SAFETY LABELS SAFETY 2 6...

Page 27: ...8 Alternate exit of cab 19 Caution for blast site machine with KOMTRAX Plus 20 Caution when traveling in reverse machine with rearview camera 21 Caution for handling DEF 22 Prohibition of getting on o...

Page 28: ...machine or its attachments Honk horn to alert people nearby Be sure no one is on or near the machine Use spotter if view is obstructed Follow above even if the machine is equipped with back up alarm...

Page 29: ...gn indicates a crush hazard between the articulating parts of vehicle Lock vehicle with lock bar to avoid movement during main tenance and transportation 7 Caution for high temperature coolant 09653 A...

Page 30: ...Caution for handling battery cable 09808 A1201 Sign indicates an electric hazard from handling the cable Read manual for safe and proper handling 10 Caution for handling battery Sign indicates a haza...

Page 31: ...of ROPS FOPS 09620 A2001 09620 A3001 This protective structure complies with the standard provided that it is properly equipped on the machine which mass is less than the specified maximum mass If som...

Page 32: ...ly injury of fire 16 Caution for hot EGR pipe 09817 A0753 Sign indicates a burn hazard from touching heated parts such as engine motor or muffler during or right after opera tion Never touch when hot...

Page 33: ...tonator 20 Caution when traveling in reverse Machine with rearview camera 09833 C0881 When backing up rear of machine is displayed on monitor Before moving look back and at mirror and monitor to con f...

Page 34: ...05 C0641 Sing indicates a hazard of falling Do not stand on this place here 23 Caution when removing fan net 09667 A088B Sign indicates a hazard of rotating parts such as belt Turn off before inspecti...

Page 35: ...TION PRECAUTIONS FOR SAFETY RELATED EQUIPMENT Be sure that all guards covers cameras and mirrors are in their proper position Repair them immediately if they are damaged Understand the using method of...

Page 36: ...ay cause fire Do not use a cellular phone when driving or operating the machine This may lead to mistakes in operation and may cause serious personal injury or death Never bring any dangerous objects...

Page 37: ...in the specified place and do not allow unauthorized persons to enter When performing grinding or welding work on the machine move any flammable materials to a safe place before starting Fire caused...

Page 38: ...hine always observe the following Use the handrails and steps marked by arrows in the fig ure When getting on and off the machine A is an alternate step Use this step when the normal step is unavailab...

Page 39: ...If the machine starts to move when there is no operator on the machine do not jump on to the machine and try to stop it LIFTING OF PERSONNEL PROHIBITED Under no circumstances should this machine be us...

Page 40: ...ition L and parking brake switch 3 to ON operate position A and stop the engine If the control levers are touched by mistake there is danger that the machine may suddenly move and cause serious per so...

Page 41: ...an exit for normal use on the left side and an alternate exit on the right side Use the alternate exit on the right side if the exit for normal use on the left side is unavailable ELECTROMAGNETIC INTE...

Page 42: ...the function of the protective equipment is impeded the protective equipment will not be able to protect the operator and the operator may suffer injury Always observe the follow ing If the machine i...

Page 43: ...ional attachments always read the instruction manual for the attachment and the general information related to attachments in this manual PRECAUTIONS WHEN RUNNING ENGINE INSIDE BUILDING The engine exh...

Page 44: ...e so that there is no obstruction to travel operations PRECAUTIONS WHEN WORKING ON LOOSE GROUND Avoid driving or operating the machine near the edge of cliffs road edges and deep ditches The ground ma...

Page 45: ...laces with poor visibility always observe the following Allocate a signalman for jobsite duty if there are areas where the visibility is poor Only one signalman should give signals When working in dar...

Page 46: ...warning tag dis played it means that someone is performing inspection and maintenance of the machine If the warning tag is ignored and the machine is operated the person performing inspection or maint...

Page 47: ...chine may suddenly move off and this may lead to serious personal injury or death Always observe the following Start the engine only while sitting down in the operator s seat When starting the engine...

Page 48: ...ng the auxiliary engine starting connector it may cause the battery to explode so always observe the following When connecting a normal machine to a failed machine with the auxiliary engine starting c...

Page 49: ...people in the surrounding area Check that the backup alarm alarm buzzer when machine travels in reverse works properly If there is an area in the rear of the machine which cannot be seen allocate a c...

Page 50: ...ce of the machine such as the maximum permitted load for the structure of the machine When passing over bridges or structures check first that the structure is strong enough to support the weight of t...

Page 51: ...er shift gear or place the transmission at neutral Engine brake does not work and dangerous Always set the transmission to a low gear before starting to travel downhill When driving the machine downhi...

Page 52: ...he bucket is fully loaded do not start turn or stop the machine suddenly There is danger that the machine may tip over When handling unstable loads such as round and cylindri cal materials and stacked...

Page 53: ...chine and do not perform abrupt lever operation Machine may slip even on a slight slope Be particularly careful when working on slopes Frozen road becomes soft when the temperature rises and the machi...

Page 54: ...d on a trailer serious personal injury or death may result because of the acci dent during transportation Always observe the following Always check the machine dimensions carefully Depending on the wo...

Page 55: ...nd correct the di rection then enter the ramps again When loading or unloading to an embankment or platform make sure that it has suitable width strength and grade For machines equipped with a cab alw...

Page 56: ...e clean the tidy to enable you to perform operations safely If the work place is not kept clean and tidy there is the danger that you will trip slip or fall over and injure your self SELECT SUITABLE P...

Page 57: ...y or death Always observe the fol lowing Lower the work equipment to the ground and stop the en gine before performing any inspection and maintenance Stop the engine work equipment is lowered to the g...

Page 58: ...he engine at any time All workers must maintain contact with the other workers Rotating parts such as the fan fan belt are dangerous that they may easily catch a body part or an object someone wears B...

Page 59: ...E NANCE Before starting the inspection and maintenance lower the bucket to the ground and turn the ECSS switch to OFF position then stop the engine Never turn the ECSS switch to ON position during the...

Page 60: ...ot lowered to the ground Always lower the work equipment to the ground when performing inspection and maintenance Make sure the hoists or hydraulic jacks you use are in good repair and strong enough t...

Page 61: ...being charged so remove the battery from the machine take it to a well ventilated place remove the battery caps then perform the charging After charging tighten the battery caps securely Danger from...

Page 62: ...be touched by hand Then loosen the cap slowly to release the pressure in side the radiator and remove the cap PRECAUTIONS FOR HIGH TEMPERATURE OIL To prevent burns from hot oil spurting out or from t...

Page 63: ...l pressure to go down before starting the work HANDLE HIGH PRESSURE HOSES AND PIPING If oil or fuel leaks from high pressure hoses or piping it may cause fire or defective operation It is dangerous an...

Page 64: ...the filter element or radiator wear protective eyeglasses anti dust mask gloves and other protective equipment MAINTENANCE OF AIR CONDITIONER If air conditioner refrigerant gets into your eyes it may...

Page 65: ...and assembly of the tires and rims requires special equipment and special tech nology so always ask your Komatsu distributor to perform these operations Use only specified tires and inflate them to t...

Page 66: ...nnot enter If the tires must be stored outside always erect a fence and put up No Entry signs Stand the tire at the angle of 60 to 70 A on a level ground and block it securely 1 so that it cannot tip...

Page 67: ...avoid direct sunlight Always use the original container it came in Do not exchange the con tainer of DEF with another one If DEF is stored in an iron or aluminum container toxic gas may develop and a...

Page 68: ......

Page 69: ...OPERATION Please read and make sure that you understand the SAFETY section before reading this section 3 1...

Page 70: ...amp 6 Headlamp 7 Front working lamp 8 ROPS cab 9 Staircase lighting 10 Fuel tank 11 Rear wheel 12 Side working lamp if equipped 13 Steering cylinder 14 Lift cylinder 15 Front lower working lamp if equ...

Page 71: ...CONTROLS AND GAUGES NAMES OPERATION GENERAL VIEW 3 3...

Page 72: ...H brake pedal 22 L H brake pedal 23 Room lamp switch 24 Room lamp 2 switch 25 Staircase lighting switch 26 Revolving lamp switch if equipped 27 Working lamp switch 28 Rear heated wire glass switch 29...

Page 73: ...Headlamp high beam pilot lamp 12 Turn signal pilot lamp R H 13 Brake oil pressure caution lamp 14 Clearance lamp pilot lamp 15 Engine tachometer 16 Speedometer 17 Hydraulic oil temperature caution lam...

Page 74: ...mp 37 Remote positioner display 38 Automatic shift pilot lamp 39 Torque converter lockup pilot lamp 40 Shift hold pilot lamp 41 Preheating pilot lamp 42 Fan reverse pilot lamp 43 Power mode display 44...

Page 75: ...enance time warning screen D Warning screen E User menu screen 47 Maintenance time caution lamp 48 Guidance icon 49 Seat belt caution lamp 50 Warning display 51 Action level display OPERATION GENERAL...

Page 76: ...ay 3 24 V power supply 3 Cigarette lighter 4 12 V power supply 5 AUX 6 Open knob for alternate exit of cab 7 Lunch box tray 8 Fuse 9 Cool box 10 Cup holder 11 Unlock knob for cab window 12 Cab door in...

Page 77: ...ar 17 Rearview camera 18 Towing pin 19 Backup alarm 20 Grease pump holder 21 Battery 22 Circuit breaker 23 Battery disconnect switch 24 System operating lamp 25 Auxiliary engine starting connector 26...

Page 78: ...extinguisher if equipped 31 Rear fender if equipped 32 Komatsu Closed Crankcase Ventilation hereafter KCCV ventilator 33 DEF tank 34 DEF pump 35 Toolbox 36 DEF filter 37 Dust indicator 38 R H DEF inj...

Page 79: ...IPMENT FF Failure display screen A Warning display B Pilot display C Meter display D Switch panel REMARK For the user menu used for setting various items of the machine on the machine monitor see USER...

Page 80: ...reen BB 3 The pointer of engine tachometer D swings once 4 Speedometer E displays 88 for 2 seconds 5 The alarm buzzer sounds for 2 seconds then stops under the normal condition NOTICE If the pilot lam...

Page 81: ...position For the function and operating method of the engine shutdown secondary switch see ENGINE SHUTDOWN SECONDARY SWITCH 3 122 BASIC OPERATION OF MACHINE MONITOR WHEN STOPPING ENGINE IN NOR MAL SI...

Page 82: ...MM without SKIP when the starting switch is turned to ON position On the ID number input screen LL with SKIP or MM without SKIP input the already registered ID number and press ENTER switch 1 The scre...

Page 83: ...e it for the purpose of security enhance ment Komatsu cannot accept any responsibility for any loss or damage resulting from the wrong use of ID or unauthorized use of ID by a third person BASIC OPERA...

Page 84: ...enance time warning screen GG When the menu switch displayed in guidance icon 2 is press ed Maintenance menu screen is displayed For Maintenance menu screen and the remedies see MAIN TENANCE SCREEN SE...

Page 85: ...vel displays and required actions These caution lamps do not guarantee the condition of the machine Do not simply rely on the caution lamp when performing checks before starting start up inspec tion A...

Page 86: ...up in red Stop the machine immediately and ask your Komat su distributor for inspection and maintenance L03 Lights up Sounds in termittently Lights up in red Stop the operation and move the machine t...

Page 87: ...a failure and action level is displayed necessary remedies and failure information can be checked on the monitor screen When the ENTER switch is pressed while the guidance icon is displayed the screen...

Page 88: ...ephone number of your Komatsu distributor is displayed If the telephone number of the contact has not been registered it is not displayed Ask your Komatsu distributor for the telephone number registra...

Page 89: ...rectional selector switch to NEUTRAL position N and run the engine at a medium speed with no load until the caution lamp goes out TORQUE CONVERTER OIL TEMPERATURE CAUTION LAMP The torque converter oil...

Page 90: ...pressure caution lamp warns that the brake oil pressure is below the specified value When action level L03 is displayed If the brake oil pressure drops below the specified value while the engine is r...

Page 91: ...ition and apply the brake after the speed has been decreased After a while the oil temperature goes down When the machine has been traveling downhill in a long slope by using the brake Downshift the g...

Page 92: ...us is Warning Need to add DEF immediately When Lightning in white When fluctuation of DEF tank level is large frozen or not limited to tank level sensing is not performed correct ly When DEF is added...

Page 93: ...yellow SECONDARY STEERING SYSTEM CAUTION LAMP The secondary steering system caution lamp warns about ab normality in the secondary steering system When action level L03 is displayed The caution lamp l...

Page 94: ...ated in KDPF or the filtering function of KDPF has low ered abnormally When action level L03 is displayed The caution lamp lights up in red if much soot is accumulated in KDPF or a system trouble such...

Page 95: ...g the aftertreatment devices re generation stop the regeneration first according to PROCE DURE FOR AFTERTREATMENT DEVICES REGENERATION DISABLE SETTING 3 149 then stop the en gine after running it at l...

Page 96: ...al ized warning lamp lights up and the alarm buzzer sounds con tinuously Immediately stop the machine and ask your Komatsu distribu tor for inspection and maintenance When action level L03 is displaye...

Page 97: ...the machine with moderate engine speed and travel speed RADIATOR COOLANT LEVEL CAUTION LAMP Radiator coolant level caution lamp warns about drop of radia tor coolant level If the caution lamp lights...

Page 98: ...orm the inspection and maintenance Ask your Komatsu distributor for the inspection and maintenance as needed FAN REVERSE OPERATION CAUTION LAMP The wrong operation in fan reverse mode caution lamp war...

Page 99: ...up when the remaining time reaches 30 hours However you can change this setting To change the setting ask your Komatsu distributor SUBTRACTION TARGET OVER CAUTION LAMP if equipped The subtraction targ...

Page 100: ...played Place the machine in a safe place stop the engine and check the battery electrolyte level and add it CENTRALIZED WARNING LAMP The centralized warning lamp lights up in red and at the same time...

Page 101: ...gh PILOT DISPLAY AND METER DISPLAY Pilot display 1 Message display 2 Auto digging pilot lamp 3 AJSS pilot lamp for the machine equipped with AJSS 4 ECSS pilot lamp if equipped 5 Clock 6 Parking brake...

Page 102: ...uge 31 DEF level gauge 32 Hydraulic oil temperature gauge 33 Fuel gauge At sections 12 and 21 2 types of pilot lamp are prepared PILOT DISPLAY The pilot display consists of the pilot lamps to check th...

Page 103: ...engine is running When the engine is running or when turning the starting switch to ON position AJSS pilot lamp flashes and the alarm buzzer sounds intermittently if the directional change of the mac...

Page 104: ...fective Remote positioner RAISE LOWER pilot lamp It lights up in green in both of boom RAISE and LOWER opera tions when the remote positioner is effective It pops up when the setting of remote positio...

Page 105: ...decelera tion state It pops up when the RPM set is turned to ON SHIFT HOLD PILOT LAMP The shift hold pilot lamp lights up when the shift hold function works TORQUE CONVERTER LOCKUP PILOT LAMP The tor...

Page 106: ...method of setting the fan reverse mode see METHOD FOR CLEANING FINS BY ROTATING COOLING FAN IN REVERSE 4 28 WORK EQUIPMENT SHOCK REDUCTION DISPLAY On the work equipment shock reduction display any one...

Page 107: ...nd goes out when preheating is completed This lamp also lights up during manual preheating The electrical heater for engine preheating is actuated while the preheating pilot lamp is lit For engine pre...

Page 108: ...s regeneration Stay away from the exhaust pipe outlet to prevent yourself from getting burnt Keep combustible materials away from the exhaust pipe outlet to prevent a fire When there are thatched hous...

Page 109: ...operation If the engine stops or if the steering hydraulic circuit has a trou ble during travel the secondary steering operates automatically and the secondary steering pilot lamp lights up Move the...

Page 110: ...cing the fuel consumption The details of the guidance are as follows REMARK Display Non display of ECO guidance can be switched For the method of switching the display see SWITCH DISPLAY NON DISPLAY O...

Page 111: ...idance of accelerator pedal depressing limit is displayed on the machine monitor In order to reduce fuel consumption during directional selec tion try not to operate the accelerator pedal excessively...

Page 112: ...CE If the digging state is continued for 8 seconds or more the noti fication of long time digging prevention is displayed on the ma chine monitor Avoid long time digging to reduce the fuel consumption...

Page 113: ...ERATURE GAUGE The torque converter oil temperature gauge indicates the tor que converter oil temperature When the indicator is in green range B during operation it is normal If the indicator is in red...

Page 114: ...uge to the level where there is no adverse effect on the operation it leads to energy saving operation to reduce the fuel consumption REMARK Even if the indication of ECO gauge is in orange range A it...

Page 115: ...display Indicates the total distance that machine has traveled in unit of km Clock display Indicates the current time 12 hour system display The clock is displayed in 12 hour mode with am or pm 24 hou...

Page 116: ...a selected period split fuel consumption For the procedure for switching the display see SET DISPLAY OF FUEL CONSUMPTION GAUGE 3 62 DEF LEVEL GAUGE DEF level gauge indicates the remaining level of DE...

Page 117: ...he following cases are not abnormal When DEF is added while the starting switch is kept at ON position When the starting switch is turned to ON position immediately after adding DEF within approximate...

Page 118: ...rtreatment Devices Regeneration menu screen When the maintenance caution lamp lights up Displays the Maintenance menu screen When the fan automatic reverse display lights up Displays the Machine Setti...

Page 119: ...When on the last line it moves to the first line On the value input screen the value is decreased by one AIR CONDITIONER SWITCH NUMERIC KEYPAD The air conditioner switch and numeral key consist of 10...

Page 120: ...configure and confirm machine settings The user menu consists of the following kinds The menu screen can be changed by pressing the menu switch a Energy Saving Guidance b Load Meter if equipped c Mach...

Page 121: ...ilt Shock Reduction Level Setting for Dump Shock Reduction Level Auto Digging Mode Selection Bucket Level Position Selection Auto Kick Down Setting Auto deceleration Setting Display and resetting of T...

Page 122: ...Cancels a selection or changes and returns to the previous screen or the standard screen 4 ENTER switch Enters any selection or changes and proceeds to the next screen 5 Menu switch Moves to the righ...

Page 123: ...e following information on a daily basis or during the split measurement period is displayed Working Hours Engine On The time during which the engine is running Average Fuel Consumption Average of the...

Page 124: ...ent B Date and time when measurement is started To stop the split measurement see the guidance icon and press ENTER switch 4 You can perform the following operations with switches 1 to 4 on the switch...

Page 125: ...en is displayed press ENTER switch 4 again to start the split measurement or press RE TURN switch 3 to cancel the start CHECK ECO GUIDANCE RECORD Select ECO Guidance Records from Energy Saving Guid an...

Page 126: ...ement B Date and time when measurement is started To stop the split measurement see the guidance icon and press ENTER switch 4 You can perform the following operations with switches 1 to 4 on the swit...

Page 127: ...TER switch Starts split measurement When the confirmation screen is displayed press ENTER switch 4 again to start the split measurement or press RE TURN switch 3 to cancel the start CHECK FUEL CONSUMP...

Page 128: ...tion rate may differ from the actual value due to the operating conditions of the customers fuel weather or work contents etc Switching of displayed graph On Average Fuel Consumption Record screen if...

Page 129: ...erage Fuel Consumption Display Switching Display Non display of ECO Gauge Display Setting of ECO Gauge Display Fuel Target Value Switching Display Non display of ECO Guidance Switching Display Non dis...

Page 130: ...el consumption in 1 day from 0 00 a m of the day to 0 00 a m of the next day It is reset at 0 00 a m of the next day Split Time Displays the average fuel consumption during the split measurement perio...

Page 131: ...Records and ECO Guidance Records SWITCH DISPLAY NON DISPLAY OF ECO GAUGE Display Non display of ECO gauge can be switched 1 Select ECO Gauge Display from Configurations menu screen then press ENTER sw...

Page 132: ...lected change and returns the screen to Configurations menu screen REMARK If OFF is selected on ECO Gauge Display screen the items of ECO Gauge Display Fuel Target Value is not displayed SET TARGET FU...

Page 133: ...t fuel consumption value setting and returns the screen to Configurations menu screen The default is 32 h REMARK If the target fuel value is increased the fuel consumption indicated when the ECO gauge...

Page 134: ...e first line 3 RETURN switch Cancels the selected change and returns the screen to Configurations menu screen 4 ENTER switch Allocates the selected change and returns the screen to Configurations menu...

Page 135: ...to the last line 2 DOWN switch Moves to the next item 1 line below When on the last line it moves to the first line 3 RETURN switch Cancels the selected change and returns the screen to Configurations...

Page 136: ...d resetting of Trip Meter Auto Idle Stop Timer Setting REVERSE HYDRAULIC FAN k k CAUTION When rotating the fan in the reverse direction beware extremely that dirt will not fly out and cloth etc will n...

Page 137: ...performing the fan reverse rotation press RE TURN switch 3 TILT SHOCK REDUCTION LEVEL SETTING The tilt shock reduction function is used to reduce a shock when the bucket hits the boom etc during the...

Page 138: ...an perform the following operations with switches 1 to 4 on the switch panel 1 UP switch Moves to the previous item 1 line above When on the first line it moves to the last line 2 DOWN switch Moves to...

Page 139: ...ucket Level Low The effect on shock reduction is small Use this level to drop off the sticking matter in the bucket Level Mid The effect on shock reduction is medium Level High The effect on shock red...

Page 140: ...el 1 UP switch Moves to the previous item 1 line above When on the first line it moves to the last line 2 DOWN switch Moves to the next item 1 line below When on the last line it moves to the first li...

Page 141: ...es to the next item 1 line below When on the last line it moves to the first line 3 RETURN switch Cancels the selected change and returns the screen to Machine Setting and Information menu screen 4 EN...

Page 142: ...s item 1 line above When on the first line it moves to the last line 2 DOWN switch Moves to the next item 1 line below When on the last line it moves to the first line 3 RETURN switch The screen retur...

Page 143: ...ure is displayed Press ENTER switch 4 and repeat the procedure from step 2 Once the above adjustment is done if the bucket is installed to the machine you are requested only to select bucket type A to...

Page 144: ...e screen changes to Bucket Level Position Initialization confirmation screen and then the initialization starts 3 On Bucket Level Position Initialization confirmation screen press ENTER switch 4 The l...

Page 145: ...em and returns the screen to Machine Setting and Information menu screen AUTO DECELERATION SETTING When the auto deceleration function is actuated it automatically makes the low idle engine speed duri...

Page 146: ...the first line it moves to the last line 2 DOWN switch Moves to the next item 1 line below When on the last line it moves to the first line 3 RETURN switch Cancels the selected change and returns the...

Page 147: ...ps the engine automatically when the engine is operated continuously at idle for a set time The auto idle stop works only when all of the following conditions are met The engine is running normally Th...

Page 148: ...returns the screen to Machine Setting and Information menu screen 4 ENTER switch Allocates the selected change and returns the screen to Machine Setting and Information menu screen REMARK If you sele...

Page 149: ...io lamps and windshield wipers keep their states before the engine is stopped 6 Turn the starting switch to OFF position This prevents battery discharging 7 To start the engine again turn the starting...

Page 150: ...el Doser Cleaning 4500 DEF Tank Washing 4500 a Maintenance items b Default maintenance interval settings h c Time remaining to maintenance h When the time remaining to the next Maintenance for any ite...

Page 151: ...oes not switch to Maintenance Due Time Reset screen 2 When a usage limitation password has been set the pass word input screen is displayed Input the usage limitation password by using numeric key pad...

Page 152: ...terval are the same the remaining time cannot be reset MONITOR SETTINGS Each item of Monitor Setting menu is to make settings for the machine monitor Rearview Monitor Setting Meter Display Selection S...

Page 153: ...e setting screen for the selected item GUIDE LINE DISPLAY MODE This is used to change the display or non display of the guide line on the rearview monitor 1 Select Guide Line Display Mode from the Rea...

Page 154: ...ETHOD FOR ADJUSTING REAR VIEW CAMERA ANGLE 3 189 REVERSE INTERLOCK SELECTION MODE Display method of rearview monitor can be changed 1 Select Reverse interlock Selection mode on Rearview Monitor Settin...

Page 155: ...d returns the screen to Rearview Monitor Setting menu screen The setting of Reverse interlock Selection mode is maintained even after turning the starting switch to OFF position The default is ON METE...

Page 156: ...setting screen for the selected item SELECT L H METER DISPLAY This is used for the selection of the items to be displayed on the L H meter display 1 Select LH Meter Display Selection on Meter Display...

Page 157: ...fault of L H meter is SMR Service Meter SELECT R H METER DISPLAY This is used for the selection of the items to be displayed on the R H meter display 1 Select RH Meter Display Selection on Meter Displ...

Page 158: ...see L H AND R H METER DISPLAY 3 46 The default of R H meter is FUEL Average Fuel Consumption SCREEN ADJUSTMENT The brightness of the machine monitor can be adjusted 1 Select Screen Adjustment on Moni...

Page 159: ...ght mode the brightness in the night mode can be adjusted The brightness of night illumination for the switch panel and operation switches is adjusted synchronously with the brightness of the machine...

Page 160: ...configure automatic adjustment of the date and time of machine monitor in accordance with the clock of GPS on GPS Synchronization screen 1 Select GPS Synchronization on Clock Adjustment menu screen t...

Page 161: ...items of Calendar and Time cannot be selected CALENDAR SETTING The date of the machine monitor can be adjusted on Calendar screen REMARK As long as GPS Synchronization is turned ON the item in Calend...

Page 162: ...day 4 When day display C is highlighted in yellow operate the switches as follows to change day display When it is not necessary to change the day setting press ENTER switch 4 1 UP switch Advances the...

Page 163: ...enu screen 4 ENTER switch Proceeds to setting for minute 3 When minute display E is highlighted in yellow operate the switches as follows to change minute display When it is not necessary to change mi...

Page 164: ...moves to the last line 2 DOWN switch Moves to the next item 1 line below When on the last line it moves to the first line 3 RETURN switch Cancels the selected setting and returns the screen to Clock...

Page 165: ...When on the last line it moves to the first line 3 RETURN switch Cancels the selected setting and returns the screen to Clock Adjustment menu screen 4 ENTER switch Allocates the selected setting and r...

Page 166: ...to the last line 2 DOWN switch Moves to the next item 1 line below When on the last line it moves to the first line 3 RETURN switch Cancels the selected setting and returns the screen to Monitor Setti...

Page 167: ...et ting menu screen When the starting switch is ON and SKIP is selected is displayed in the column of Operator ID on Monitor Setting menu screen 1 Select Operator ID on Monitor Setting menu screen the...

Page 168: ...dentified On Operator ID Change screen if you press ENTER switch 4 after inputting the ID which is not registered a message is displayed at the bottom and the screen changes to Monitor Setting menu sc...

Page 169: ...or Setting menu screen and the identified ID is changed On Operator ID Change screen if you press ENTER switch 4 after inputting the ID which is not registered a message is displayed at the bottom and...

Page 170: ...your Komatsu distributor on the mail check menu screen by pressing the menu switch Message is distinguished as follows according to the lighting states of the message display Lights up in green There...

Page 171: ...eived No message is dis played B Serial No of message C Validity D Text E Reply field When there is a message which requests reply Numeric Input is displayed REPLY TO MESSAGE 1 When replying to a mess...

Page 172: ...switch in OFF position NOTICE When machine is not under following operation if the service meter and odometer monitor are dis played with the starting switch in OFF position the machine probably has...

Page 173: ...SWITCHES OPERATION EXPLANATION OF COMPONENTS 3 105...

Page 174: ...oom lamp 2 switch 18 Staircase lighting switch 19 Revolving lamp switch if equipped 20 Working lamp switch 21 Rear heated wire glass switch 22 Secondary parking brake release switch 23 Modulation clut...

Page 175: ...time depends on the ambient temperature at the engine startup C START position This is the position to start the engine Hold the key at START position C while cranking the engine Let go of it immedia...

Page 176: ...n an upward direction L Downward direction position The headlamp is in a downward direction TURN SIGNAL SWITCH Turn signal switch is used to operate the turn signal lamp L Left turn position The left...

Page 177: ...SS lever KICKDOWN SWITCH The kickdown switch is located at the top of the boom control lever To cancel the kickdown operate the directional lever or di rectional selector switch When the engine is sto...

Page 178: ...ty of the machine monitor and rearview monitor while lamp switch is turned on When operating the machine with the headlamp lit during the day if the monitor brightness selector switch is set to day po...

Page 179: ...working lamp B side front working lamps C if equip ped and front lower working lamps D if equipped light up d ALL position All working lamps light up HAZARD LAMP SWITCH k k WARNING Do not use it when...

Page 180: ...monitor Position b Decreases the brightness of the rearview monitor PARKING BRAKE SWITCH k k WARNING Always apply the parking brake when parking or leaving the machine Keep depressing the brake pedal...

Page 181: ...ck to OFF position b to re lease the parking brake SECONDARY PARKING BRAKE RELEASE SWITCH k k WARNING The machine may move when the secondary parking brake release switch is set to RELEASE posi tion F...

Page 182: ...selector switch Operate the gear speed switch Shift the setting transmission shift mode selector switch to the manual shift Turn the starting switch to OFF position The operating state of the torque...

Page 183: ...aised the machine starts moving Take care Before operating the ECSS switch be sure to stop the machine and lower the work equipment to the ground If the machine is operated while the ECSS switch stays...

Page 184: ...RD position F and NEUTRAL position N nor between NEUTRAL position N and REVERSE position R Although the transmission operates as displayed in the shift indicator on the machine monitor the alarm buzze...

Page 185: ...ansmission between the automatic shift and manual shift Normally set it to automatic shift a a Automatic shift Automatic shift is effective Automatic shift pilot lamp lights up b Manual shift Manual s...

Page 186: ...t again repeat from the beginning The engine low idle speed can be kept at 850 rpm and above with the RPM set switch a SET ACCEL position SET ACCEL position a is used for the following operations Set...

Page 187: ...on of the remote boom posi tioner or cancel the setting b Remote bucket positioner switch It is used to set the stopping position of the remote bucket posi tioner or cancel the setting For the setting...

Page 188: ...ipment lock switch be sure not to touch work equipment control lever A The work equipment lock switch is used to lock the work equip ment Each time you press a part of the work equipment lock switch t...

Page 189: ...ly changed in the range of 1st to 3rd 4th The gear speed is automatically changed in the range of 1st to 4th The gear speed is shifted automatically between the 2nd and the set gear speed of the gear...

Page 190: ...e machine is operating normally Engine Shutdown Secondary SW in Operation is displayed on the machine monitor If Engine Shutdown Secondary SW in Operation is displayed on the machine monitor check tha...

Page 191: ...15 seconds after the weight is displayed or until the next weight measurement LOAD METER SUB TOTAL SWITCH if equipped By using the load meter sub total switch you can set the load meter display for t...

Page 192: ...al 7 L H brake pedal STEERING LOCK LEVER k k WARNING Set the steering lock lever in LOCK position L before leaving the operator s seat in either case of starting up the engine or stopping the engine I...

Page 193: ...ult the alarm buzzer may sound and the caution lamp may light up for protection of the brake discs Observe the following ways of operation to prevent the increase of the axle oil temperature Try to av...

Page 194: ...d by the RPM setting When the L H brake pedal is kept depressed to stop the machine When the operation is continued with the L H brake pedal kept slightly depressed approximately 3 or more The central...

Page 195: ...ioner is set if the boom control lever is pulled further from RAISE position a the boom control lever stops at detent position e the boom stops at set position of the RAISE remote boom positioner and...

Page 196: ...performed by light effort and small stroke to reduce fatigue in steering operation OTHER EQUIPMENT CAB DOOR k k CAUTION Cab door must be checked to be locked either at the open position or closed pos...

Page 197: ...or is closed it can be locked by pressing the cab door inner lock L LOCK position It locks the cab door It is used when operating the machine F FREE position It unlocks the cab door It is used when ge...

Page 198: ...door is partially open locked When talking to a person in the right outside of the machine during inspection and maintenance and such keep the door partially open locked with this function PROCEDURE...

Page 199: ...n the door of the alternate exit fully and get off from the machine PROCEDURE FOR PARTIAL LOCKING ALTERNATE EXIT OF CAB 1 Pull up the open knob 1 for alternate exit of cab 2 Open the alternate exit do...

Page 200: ...ard 2 Align the guide rail part of the open knob 1 for alternate exit of cab with guide pin 2 and push in the open knob 1 for alternate exit of cab forward Be sure that guide pin 2 has fit in the guid...

Page 201: ...right side of the operator s seat Always extinguish your cigarette before putting it in the ashtray and be sure to close the lid REMARK While removing the ashtray if it is stuck in the console cover a...

Page 202: ...wer supply is 144 W 12 V x 12 A The maximum capacity in total of power supply outlets 2 and 3 is 144 W REMARK Use 12 V power supply while engine is running FUSE NOTICE Before replacing a fuse be sure...

Page 203: ...conditioner start signal 14 5 A Machine monitor start signal 15 5 A Controller start signal Fuse box B No Fuse capacity Name of circuit 16 20 A Air suspension cigarette lighter 17 10 A Horn 18 20 A Re...

Page 204: ...sporting the machine always set the frame lock bar to LOCK position When driving the machine always set the frame lock bar to FREE position If the frame lock bar is not in FREE position the steering b...

Page 205: ...it is dangerous Fix the frame lock bar lock pin 1 as follows 1 Insert the frame lock bar lock pin 1 into hinge 2 on the frame side securely 2 Be sure to lock the frame lock bar lock pin 1 with linch p...

Page 206: ...GREASE PUMP HOLDER The grease pump holder is inside the side cover of radiator guard on the left side of the machine Wipe off the grease attached to the grease pump after use Insert the grease pump in...

Page 207: ...and the functions of KOMTRAX stop In addition the time information of the clock and the radio tuning information may be lost If the time information of the clock is lost perform the setting again by r...

Page 208: ...ng connector is provided for this machine The auxiliary engine starting connector is inside the battery box on the rear left of the machine BACKUP ALARM The backup alarm warns people around the machin...

Page 209: ...ctric de vices do not operate after the fuse has been replaced REMARK A circuit breaker is a circuit protection device installed to a high voltage current circuit Similarly to an ordinary fuse it prot...

Page 210: ...to serious personal injury or death The rearview monitor is an device for supporting a visual check if there is any obstacle in the rear or the area around the machine An image displayed on the monit...

Page 211: ...t being burnt Also keep combustible materials away from the exhaust pipe outlet and around the aftertreatment devices to prevent a fire When there are thatched houses dry leaves or pieces of paper nea...

Page 212: ...procedure see PROCEDURE FOR MAN UAL STATIONARY REGENERATION 3 147 Two types of monitor display require the manual stationary re generation depending on the level of urgency When the directional lever...

Page 213: ...mbustible matter which cannot be burnt by the regeneration is accumulated in the filter of KDPF the filter needs to be cleaned or replaced at regular intervals For details see METHOD FOR CLEANING KDPF...

Page 214: ...onds every 2 hours If KDPF soot accumulation caution lamp 2 lights up in yellow stop the machine in a safe place and perform the manual stationary regeneration When the degree of emergency is high KDP...

Page 215: ...erformed while KDPF soot accumulation pilot lamp 2 is lit 1 Move the machine to a safe place and stop it with the en gine running 2 Check that there is no person or combustible matter around the machi...

Page 216: ...directional selector switch and parking brake switch then repeat the proce dure from step 6 If the manual stationary regeneration still cannot be per formed return to the standard screen press ENTER...

Page 217: ...ector switch to NEUTRAL position and apply the parking brake then repeat from step 6 When the machine needs to be moved during the manual stationary regeneration stop the regeneration temporarily and...

Page 218: ...ble is canceled by turn ing the starting switch to OFF position When the automat ic regeneration needs to be kept disabled perform the above procedure each time you start the engine During the regener...

Page 219: ...the aftertreatment devices regeneration is disabled After treatment Devices Regeneration menu screen is dis played If it is not displayed press the menu switch several times to display Aftertreatment...

Page 220: ...the ammonia selectively reacts with nitrogen oxides for the conversion to nitrogen and water The Komatsu Urea SCR System continuously monitors its operation conditions and stores information on inap p...

Page 221: ...em automatically starts operating as soon as the engine is started Even after the engine starting switch is turned to the OFF position the devices will still be in operation for sever al minutes to pu...

Page 222: ...el caution lamp 1 on the machine monitor will light up audible alert will start then Action level will be displayed on the machine monitor and engine power will be derated in steps In Action Level L03...

Page 223: ...SCR Information screen Inducement status 4 2 Without treatment engine power will be derated Add DEF to the DEF tank immediately Low level Inducement The audible alert sounds in Intermittent alarm 1 g...

Page 224: ...and add DEF Inducement strategy when abnormalities are detected in the Urea SCR System devices Except abnormalities in the KDPF and the EGR system If any abnormality is detected in the DEF quality or...

Page 225: ...ns instructed by the Action Level table Inducement advances to Continuous Warning Continuous Warning The audible alert sounds in Intermittent alarm The DEF system caution lamp 1 lights up in yellow If...

Page 226: ...gine power is under heavy deration Due to the further deration of engine power capability the machine will be limited further Severe Inducement is the final status of Inducement Unless all the SCR sys...

Page 227: ...If L03 is displayed move the machine to a safe place and contact your Komatsu distributor The content of the warning can be checked on the SCR Information screen of the user menu Perform the following...

Page 228: ...time of Continuous Warning is 5 hour The remaining time Minutes till the next Inducement status of Low level Inducement is displayed in the column 6 of SCR Information screen In Low level Inducement...

Page 229: ...s manual If Inducement advances to Severe In ducement and it becomes necessary to restore engine power use the engine power restoration function to move the machine to a safe place and contact your Ko...

Page 230: ...3 Press the menu switch to display the SCR Information screen SCR Information screen message 5 1 Please inspect and maintain SCR system Engine power is derated Move the machine to the safe place and c...

Page 231: ...level Inducement is 10 hour The remaining time Minutes to Severe Inducement is displayed in the column 6 of SCR Information screen In Severe Inducement engine power will be derated fur ther Move the...

Page 232: ...the Urea SCR system For temporary remedies from these difficulties the operator can restore engine power for a short time to the deration of Low level Inducement through the machine monitor Note that...

Page 233: ...Engine power Recov ery window is displayed Temporary Restoration from Inducement is activated and engine power deration is relieved to the deration of Low level Inducement for the maximum of 30 minute...

Page 234: ...n the amount of DEF in the tank If another abnormality abnormalities is detected within 40 hours after the previous abnormalities were corrected regardless of the level of the previous Inducement and...

Page 235: ...chine it can remotely manage the machines equip ped with the KOMTRAX Plus device through satellite communication or portable radio communication The machine information such as the machine maintenance...

Page 236: ...remove them 3 Check around the engine for leakage of coolant oil and exhaust gas Check for oil leakage or exhaust gas leakage from the engine and coolant leakage from the cooling system If any problem...

Page 237: ...clean it after the temperature has lowered sufficiently 15 Check the machine monitor and rearview monitor for abnormality Check the machine monitor and rearview monitor for abnormality If any abnorma...

Page 238: ...by the arrow in the figure Check the seat belt and mounting hardware for abnormali ty If any part is damaged replace it with a new one Check for any loose bolts of the mounting hardware which is insta...

Page 239: ...on and cracks In particular check the side rings lock rings and rim flanges thoroughly METHOD FOR CHECKING BEFORE STARTING Always check the items in this section before starting the engine each day ME...

Page 240: ...drain hose 4 tighten plug 6 immediately Tightening torque 0 2 to 0 45 Nm 0 02 to 0 046 kgm 7 Return drain hose 4 to clamp 5 8 Release the lock of engine side cover 1 and close it For the machine with...

Page 241: ...y is found check the level of the coolant in the radiator If it is low add coolant of the same density in radiator according to the coolant density table in METH OD FOR CLEANING INSIDE OF COOLING SYST...

Page 242: ...hine is inclining make it level before checking When the ambient temperature is low water or emulsified matter may stick to the dipstick fuel filler cap etc or the drained oil may be milky white becau...

Page 243: ...ent the oil from splashing around 5 Check the oil level again 6 If the oil level is correct remove the hose and tighten oil filler cap F securely 7 Release the lock of engine side cover 1 and close it...

Page 244: ...lectric wiring and no damage to the coating Perform inspection to confirm that there is no loose terminals and tighten any loose parts if found Always check if there is any accumulation of combustible...

Page 245: ...METHOD FOR CHECKING DEF LEVEL AND ADDING DEF k k WARNING Do not put any fluid other than DEF into DEF tank When opening the cap of DEF tank of the machine the ammonia vapor may escape Keep your face a...

Page 246: ...se a funnel When using a portable refill container use it up each time If any of it is left completely seal it up Remove foreign material if there is any Do not wash the supply nozzle in city water Mi...

Page 247: ...d close the cover REMARK It is recommended to use a nozzle having a diameter and a length specified by ISO 22241 4 and an auto stop function to add DEF When the specified nozzle is used the magnet ins...

Page 248: ...e alarm buzzer sounds for approximately 2 seconds Check that the engine tachometer swings If the lamps do not light up there may be a failure in the machine monitor or wire breakage Ask your Komatsu d...

Page 249: ...distributor for repair Check if bulkhead 1 and rubber sheet 2 between the engine compartment and hydraulic pump are damaged or falling off If any damage or falling off is found ask your Komatsu distr...

Page 250: ...uched by mistake it may lead to serious accident Adjust it before starting operation or when operators change shift Adjust the position of the operator s seat so that you can depress the brake pedal f...

Page 251: ...tment switch continuously for 1 minute or longer since such practice can damage the air compressor Turn the starting switch to ON position when performing adjustments since the air compressor built in...

Page 252: ...ired angle Adjustment amount 30 METHOD FOR ADJUSTING HEADREST IN VERTICAL DIRECTION Move the headrest up or down to the desired height Adjustment amount 108 mm METHOD FOR ADJUSTING LUMBAR SUPPORT Turn...

Page 253: ...et as the best position for the operator comfort d e High position The suspension damper becomes harder and its damping force is increased Decreases the vertical movement of the suspension Adjustment...

Page 254: ...blister etc Do not put heavy luggage on the cushion Do not stick the cushion with needles nails etc Do not put blanket cushion or other heat retaining material on the seat cushion Doing so may cause o...

Page 255: ...ushion becomes suitable The heater in the seat cushion stops When using the ventilation 1 Set the seat heater and ventilation selector switch 1 to the ventilation position b 2 Set the air flow control...

Page 256: ...irror C Mirrors at upper right and left in cab Adjust mirrors A B and C to a position which gives the best view to the blind spot at the right and left sides of the rear of the machine from the operat...

Page 257: ...the machine Install only the Komatsu genuine rearview camera 1 Check the rearview camera angle Adjust the angle of the rearview camera so that people within approximately 1 m away W from the machine s...

Page 258: ...age or 5 years after manufacture whichever comes sooner The date of manufacture of the belt is shown on the back of the belt Before operating fasten the seatbelt Be sure to use the seat belt during op...

Page 259: ...VER STAND k k WARNING When adjusting the lever stand stop the machine in a safe place securely press the work equipment lock switch to lock the work equipment and make the work equipment lock pilot la...

Page 260: ...is touched by mis take this may cause a serious injury or death METHOD FOR ADJUSTING ARMREST HEIGHT AND ANGLE 1 Set lock knob 2 of armrest 1 to FREE position F Armrest 1 is released 2 Hold armrest 1 a...

Page 261: ...form the check before starting the engine according to the following procedure 1 Check that battery disconnect switch S is in ON position 2 Check that the cover of engine shutdown secondary switch 1 i...

Page 262: ...he bucket is not lowered to the ground lower the bucket to the ground according to the following procedure 1 Set the work equipment control lever to HOLD posi tion 2 Turn the starting switch to ON pos...

Page 263: ...hine monitor does not light up there may be a failure or wire breakage Ask your Komatsu distribu tor for inspection 1 Centralized warning lamp 10 and pilot display 11 are lit for 2 seconds and off for...

Page 264: ...h REMARK For details of the password setting changing or can celing see the separate Password Change and Can cel Procedure 7 Liquid crystal display 12 displays the standard screen 2 seconds later 8 Wh...

Page 265: ...NANCE SCREEN SETTING 3 82 Maintenance time caution lamp is lit for 30 seconds 12 Check that the work equipment lock pilot lamp is lit on ma chine monitor 5 When the work equipment lock pilot lamp is n...

Page 266: ...tch returns to ON position the starting mo tor does not rotate within 3 seconds even if you turn the starting switch to START position When starting the engine do not depress the accelera tor pedal Ev...

Page 267: ...ng switch 1 automatically returns to ON position B REMARK At starting of the engine battery voltage may drop abruptly depending on the ambient temperature or battery condi tion and the machine monitor...

Page 268: ...20 C for more than a half day it takes time to attain perfect combustion Operate the starting switch according to the following procedure 1 Turn starting switch 1 to ON position B This machine is equi...

Page 269: ...is frozen the DEF system is automatically heated to thaw DEF after the engine is started The devices do not operate until DEF is thawed and sup plied but this does not indicate any abnormality When th...

Page 270: ...approach the exhaust pipe of the engine while the engine is running or just after it is stop ped Keep combustible materials away from the engine exhaust pipe outlet METHOD FOR CHECKING STARTING CONDI...

Page 271: ...used previous day If there is any abnormality ask your KOMATSU distributor for testing and repair METHOD FOR RUNNING IN THE NEW MACHINE NOTICE Your Komatsu machine has been thoroughly adjusted and tes...

Page 272: ...1 Depress accelerator pedal 1 lightly and run the engine at a medium speed for approximately 5 minutes with no load 2 In a cold weather perform the warm up operation of the hydraulic component after w...

Page 273: ...ine under light load until the indicator enters the green range If any problem is found perform maintenance or repair 4 Check for abnormal exhaust gas color noise or vibration If any abnormality is fo...

Page 274: ...ngine is still hot guidance 2 may be displayed on the machine monitor To cool down the engine be fore stopping run it at low idle the next time and after because it may cause damage to the devices Aft...

Page 275: ...from the travel path There is a blind spot behind the machine so be ex tremely careful when driving the machine in reverse When moving the machine off at an uphill depress the accelerator pedal while...

Page 276: ...t a of 50 to 60 cm 6 Depress R H brake pedal 5 To move off the machine at an uphill depress L H brake pedal 6 7 Then set parking brake switch 7 to OFF position b to re lease the parking brake Keep R H...

Page 277: ...is automatically changed between 1st and 2nd 3rd The gear speed is automatically changed in the range of 1st to 3rd 4th The gear speed is automatically changed in the range of 1st to 4th Check the ge...

Page 278: ...the machine at an uphill depress accelerator pedal 11 while gradually releasing L H brake pedal 6 This prevents the machine from rolling back METHOD FOR STOPPING MACHINE k k WARNING Avoid a sudden sto...

Page 279: ...hts up on machine monitor 5 REMARK When the parking brake switch is actuated the transmis sion becomes neutral state automatically 4 Release R H brake pedal 2 gradually METHOD FOR SHIFTING GEARS k k W...

Page 280: ...ange the gear speed to the desired one a Upshift switch The range of automatic gear shit for the gear speed in creases b Downshift switch The range of automatic gear shit for the gear speed de creases...

Page 281: ...ayed and the overrun caution lamp lights up If the alarm buzzer sounds release the accelerator pedal immediately depress the brake pedal to reduce the speed and then shift the gear Immediately after o...

Page 282: ...travel speed sufficiently then switch the direction Max 12 km h When driving the machine downhill through inertia set the direction of the directional selector switch to the position that matches the...

Page 283: ...sounds if the travel speed and engine speed are in A or B area of the table At the same time action level L02 is indicated and the overrun caution lamp lights up If the alarm buzzer sounds depress the...

Page 284: ...e wobbles and it is dangerous When the machine is articulated to the position where the desired turning angle of the machine is obtained hold the AJSS lever at that position While the machine is turni...

Page 285: ...up in green The steering oil pressure caution lamp lights up in red while en gine is running to inform the operator that there is a failure in the steering system If the steering oil pressure caution...

Page 286: ...the rang of 2nd to 4th in both the forward and reverse the torque converter lockup is actuated corresponding to the actual travel speed and type of operation to shift the transmission to the direct dr...

Page 287: ...then operate the work equipment lock switch When operating the work equipment lock switch be sure not to touch work equipment control lever A NOTICE Even if the engine is stopped if the starting swit...

Page 288: ...tion d the boom stops at set position of the LOWER remote boom positioner and boom control lever 3 returns to HOLD position b at the same time When the LOWER remote boom positioner is not set if boom...

Page 289: ...itch is pressed the machine is set in the auto digging mode The auto digging is ended when the following conditions or operations are induced or performed and at the same time the automatic tilting op...

Page 290: ...ed and it may cause serious per sonal injury or death If you use the foot brake too frequently during downhill travel the brake may be overheated and damaged Set the gear speed switch to a lower gear...

Page 291: ...bucket empty Never travel with calcium chloride or dry ballast in the tires METHOD FOR CHECKING BUCKET ANGLE The indicator in the top right side corner of the bucket allows check of the bucket angle...

Page 292: ...cally shifted down to 1st speed if the requirements such as digging is taking place are met 3 Change the angle of the bucket edge according to the target materials Keep the load in the center of the b...

Page 293: ...the excessive load so that the load does not spill during haul ing DIG AND LOAD ON HORIZONTAL SURFACE k k CAUTION Do not set the bucket cutting edge downward 8 or more NOTICE If the bucket edge hits t...

Page 294: ...turned to OFF position during leveling work 1 Scoop the soil into the bucket 2 While driving the machine in reverse dump the bucket bit by bit to spread the soil 3 Lower the boom with the bucket dumpe...

Page 295: ...WORK k k WARNING Level the job site constantly While the boom is being raised with the bucket loaded sudden steer ing or braking is dangerous so never do it Never thrust the work equipment into the t...

Page 296: ...dump truck and then move the machine forward to load the soils onto the dump truck The smaller the turning angle of the wheel loader is the more efficient the operation becomes Before raising the boom...

Page 297: ...t speed release the accelerator pedal to decrease the en gine speed first Then shift down the gear and gradually de press the accelerator pedal If you depress the accelerator ped al quickly immediatel...

Page 298: ...e a between the bucket edge and ground downward 8 or more If the machine performs lev eling work in the forward direction while angle a between the bucket edge and ground is set to downward 8 or more...

Page 299: ...k the bucket cylinders or work equip ment may be damaged 4 After scooping repeat the bucket TILT and DUMP opera tions or use the brake when driving the machine in reverse to stabilize the load in the...

Page 300: ...ine to dig a wall surface of working face can damage the bucket work equipment and frame since an excessive force acts on the machine It is particularly prohibited to set the bucket to a position high...

Page 301: ...that of a machine change the lane and col lect more rocks to enlarge the area for clearing rocks APPROACH FACE NOTICE When lowering the bucket to the ground while approaching the working face be sure...

Page 302: ...to the machine and its service life is shortened When shifting down the gear release the accelerator pedal to decrease the engine speed Then shift down the gear and gradually depress the accelerator p...

Page 303: ...g is completed REMARK Release the brake pedal slightly before driving the machine in reverse and loaded materials in the bucket is stabilized To prevent the torque converter from overheating complete...

Page 304: ...UMP TRUCK k k WARNING Do not steer the machine sharply while the bucket is rising If you steer the machine while the bucket is rising the machine may tip over and cause serious person al injury or dea...

Page 305: ...m the bucket dump operation or the stopping operation of the machine while the en gine is running at a high speed If the bucket dump operation or the stopping operation of the ma chine is performed wh...

Page 306: ...teering operation stationary steering it may cause the wear and cut of tires 1 Shift the gear to REVERSE 2nd and drive the machine in reverse 2 While driving the machine in reverse lower the boom and...

Page 307: ...IONER To change the bucket stop position perform the following operations 1 Operate bucket control lever 2 to stop the bucket at a desired position 2 Press b of remote positioner switch 3 The buzzer b...

Page 308: ...released The bucket stop position setting is reset and then the position returns to the level position A B or C that has been selected from Bucket Level Position Selection METHOD FOR OPERATING REMOTE...

Page 309: ...ntrol lever 1 stops in that position 2 The boom rises and stops at the setting position of the remote boom positioner At the same time boom control lever 1 returns to HOLD position b When the remote p...

Page 310: ...e boom control lever 1 and place the boom height above the horizontal level then return boom control lever 1 to HOLD position 2 Keep pressing a of remote positioner switch 2 for 1 sec ond or longer Th...

Page 311: ...ight angle to the slope face chock the tires and then lower the bucket to the ground Before standing up from the operator s seat or when adjusting the position of the operator s seat securely press th...

Page 312: ...en the machine was traveling ask your Komatsu distributor for inspection of the parking brake system 1 Release accelerator pedal 1 then depress R H brake pedal 2 to stop the machine 2 Set directional...

Page 313: ...trol levers 6 and 7 and lower the bucket to the ground 6 Set bucket control lever 6 to HOLD position c 7 Set boom control lever 7 to HOLD position b 8 Press a of work equipment lock switch 8 and lock...

Page 314: ...gradually before stopping CHECKS AFTER STOPPING ENGINE 1 Perform walk around check for oil or coolant leakage and for abnormality in work equipment exterior parts and undercarriage If oil or coolant...

Page 315: ...ks Insert the starting switch key as far as it will go to shoulder A and turn it If the starting switch key is turned when it is not inserted all the way to the end it may break METHOD FOR OPENING AND...

Page 316: ...D FOR OPENING AND CLOSING TRANSMISSION CASE FILLER CAP METHOD FOR OPENING TRANSMISSION CASE FILLER CAP 1 Insert the starting switch key into the key slot 2 Turn the starting switch key to OPEN positio...

Page 317: ...EDURES FOR OPENING RADIATOR RESERVOIR TANK COOLANT FILLER PORT CAP 1 Insert the starting switch key into the key slot 2 Turn the starting switch key to OPEN position A and then align the key slot with...

Page 318: ...b door Avoid opening or closing the door on a slope since there is a danger that the operating effort may suddenly change Hold the door handle and knob whenever opening or closing the cab door Be care...

Page 319: ...ay fly and cause serious injury When performing this operation always wear protective eyeglasses helmet gloves and other pro tective equipment Place the removed bucket in a stable condition The pin is...

Page 320: ...details of the removal and installation of the bucket or those of the machine with other than standard specifi cation consult your Komatsu distributor Perform the following procedure when removing an...

Page 321: ...pins inside wall of the pin holes and around the bosses If you find rusts or attached contamination on the inside wall of pin holes remove them completely by using a sandpaper and such After cleaning...

Page 322: ...rom damage Use a pin with a greasing hole for the bucket hinge pin 6 Install mounting bolts 6 7 Apply grease to the groove for cord ring 2 8 Lower cord ring 2 to the groove NOTICE Apply grease to the...

Page 323: ...leakage or an unrepairable damage is found on a tubeless tire Do not install the tire protector mesh chain to rear wheels Do not to use tires such as urethane tires that weigh remarkably more than the...

Page 324: ...ation pressure within the limits given in the following table to give a appropriate deflection see deflection ratio Tire size Pattern H Free height mm Air pressure kPa kg cm2 Ground sandy ground Norma...

Page 325: ...n Other wise tires may be damaged For the tires to be used and their proper inflation pressure follow the following table Tire size pattern Manufacturer Inflation pressure 35 65R33 VSDL L5 Rock BRIDGE...

Page 326: ...d specification additional counterweight Machine with load and carry specification Machine with logging specification 1 Mesh chain can be installed to all 4 wheels 2 Ballast can be applied to rear whe...

Page 327: ...d maintenance When the air conditioner is not used every day to prevent loss of the film of oil at various parts run the air conditioner with the engine at low speed from time to time and perform cool...

Page 328: ...splay Air conditioner display A Air flow bar B Air conditioner operation symbol C Set temperature display D FRESH RECIRC selector symbol E Vent display F Automatic operation symbol G Defroster symbol...

Page 329: ...ium 4 Air flow high TEMPERATURE CONTROL SWITCH Use the temperature control switch to adjust the temperature inside the cab The temperature can be set between 18 to 32 C Press the switch to raise the s...

Page 330: ...re displayed on the liquid crystal display When the vent selector switch is pressed in the defroster mode the vents which have just been switched to the de froster mode are selected During automatic o...

Page 331: ...ve the cab door open for a long time 3 minutes or longer while air conditioner is working The automatic operation of the air conditioner is controlled au tomatically according to the set temperature a...

Page 332: ...the cab door was opened AIR CONDITIONER DISPLAY The air conditioner display displays the state of air flow A op eration of air conditioner B set temperature C FRESH RECIRC air D vents E automatic oper...

Page 333: ...ngth of the sunlight and automatically adjusts the flow of air from the vents to match the strength of the sun s rays during the automatic operation It automatically detects the changes in the tempera...

Page 334: ...e air flow may be set to Low for a certain period to prevent cold air from blowing out depending on the ambient temperature Once the desired temperature is set do not operate the temperature control s...

Page 335: ...y 3 Press switch or switch of the temperature control switch to set to the desired temperature REMARK The air temperature is so adjusted that the temperature in the cab becomes the set temperature whe...

Page 336: ...itch METHOD FOR STOPPING MANUAL OPERATION Press the air conditioner OFF switch The display on the monitor goes out and the operation stops METHOD FOR OPERATING DEFROSTER Frost adhered to the outside o...

Page 337: ...demist operation 1 Press the defroster switch to set the vents in the defroster mode 2 Press air conditioner switch and actuate the cooling or dry heating REMARK Do not decrease the set temperature to...

Page 338: ...7 Sound control button 8 Display POWER BUTTON Press the power button to supply the power to the radio and the frequency is shown on display As long as AUX is selected display indicates AUX on it Press...

Page 339: ...ng method see METHOD FOR CONTROLLING RADIO 3 272 DISPLAY A Band name AUX frequency clock and other character numeric information are displayed B Frequencies are displayed at steps of 50 kHz in certain...

Page 340: ...reases continuously as an auto seek When a proper frequency is picked up the tuning automatically stops METHOD FOR ADJUSTING FREQUENCY AUTO PRESETTING 1 Press band AUX selector button 1 and select FM...

Page 341: ...the button and the speaker output on the R side increases by 1 R1 to R7 Press the button and the speaker output on the L side increases by 1 L1 to L7 METHOD FOR ADJUSTING HIGH REGISTER RANGE TREBLE 1...

Page 342: ...R display increases by 1 If you press button HOUR display decreases by 1 4 Press display selector button 1 to flash the MINUTE dis play portion You can adjust the minute 5 Press tuning time adjustment...

Page 343: ...TRAILER k k WARNING This machine may need to be divided into components for transportation depending on the regulation When transporting the machine consult your Komatsu distributor METHOD FOR SECURI...

Page 344: ...NOTICE This method of lifting applies to the standard specification machine The method of lifting differs depending on the attachments and options installed For details of the procedure for machines t...

Page 345: ...es are free of looseness and the machine is kept on a level state 7 Sling the machine slowly PRECAUTIONS FOR DISASSEMBLING AND ASSEMBLING WORK EQUIP MENT When reassembling the work equipment after dis...

Page 346: ...er so it is not flammable For details on the coolant change interval and the density of Non Amine Engine Coolant AF NAC see METH OD FOR CLEANING INSIDE OF COOLING SYSTEM 4 20 DEF NOTICE The DEF freeze...

Page 347: ...ing before beginning the work Do not add water after the day s work to prevent diluted electrolyte in the battery from freezing during the night PRECAUTIONS AFTER DAILY WORK COMPLETION To prevent mud...

Page 348: ...If the machine is parked for long time in the cold weather condition quality of DEF may be affected by repeated freeze ask your Komatsu distributor to inspect COLD WEATHER OPERATION OPERATION 3 280...

Page 349: ...cylinder rods If the machine is equipped with an air conditioner operate the air conditioner for 3 to 5 minutes once a month to lubricate all parts of the air conditioner compressor Always run the en...

Page 350: ...hen start it again If SCR system still has abnormality after the engine is restarted contact your Komatsu distributor If the DEF is kept in the DEF tank for more than 1 year replace it Dispose of the...

Page 351: ...During the towing operation never stand between the towing machine and the towed machine Move the machine slowly and be careful not to apply any sudden load to the wire rope If there is a failure in...

Page 352: ...is towed TOW THE MACHINE WHOSE ENGINE CANNOT BE STARTED When towing the machine with the engine stopped observe the following procedures 1 If necessary chock the tires to prevent the machine from movi...

Page 353: ...es out Set secondary parking brake release switch 3 to RE LEASE position a and then the alarm buzzer sounds a continuous sound REMARK Set secondary parking brake release switch 3 to NORMAL position no...

Page 354: ...rew in the bolts evenly until they stop The parking brake is released METHOD FOR OPERATING MACHINE IN EMERGENCY The normal gear shifting operation is performed by electric signals If there should be a...

Page 355: ...ve terminal When installing first connect the cable to the positive terminal If a tool touches the positive terminal and the chassis it is dangerous that it may cause a spark Be extremely careful If t...

Page 356: ...en do not charge the battery or start the engine with a different power source It is dangerous that this may ignite the battery electrolyte and cause the battery to explode Do not use or charge the ba...

Page 357: ...OCK ADJUSTMENT 3 91 and HANDLE RADIO 3 270 PROCEDURE FOR CONNECTING JUMPER CABLES Turn the starting switch to OFF position for both the failed machine and the normal machine Turn battery disconnect sw...

Page 358: ...ps of both machines are lit or the parking brake switches are in ON position Control levers must be in NEUTRAL position To prevent damage of the electric devices of the failed machine before connectin...

Page 359: ...e machine moni tor lights up 6 Turn the starting switch to OFF position A REMARK The operation must be done within 2 minutes after the en gine stops If the engine is kept stopped the gas pressure in t...

Page 360: ...place Starting motor turns engine sluggish ly Insufficient battery charge Charge the battery Defective starting motor Replace Starting motor disengages before engine starts Defective wiring Check repa...

Page 361: ...en ped al is depressed Disc has worn to wear limit Replace disc Hydraulic oil in the hydraulic tank is insufficient Add oil to specified level For details see EVERY 100 HOURS MAINTE NANCE Air is in br...

Page 362: ...level For details see EVERY 100 HOURS MAINTE NANCE PHENOMENA AND ACTIONS FOR ENGINE RELATED PARTS Contact your Komatsu distributor for the remedies indicated with in the remedy column Ask your Komats...

Page 363: ...not start Lack of fuel Add fuel For details see CHECKS BEFORE STARTING Air in fuel system Repair the part where air is sucked in Fuel filter is not filled with fuel Fill filter with fuel For details s...

Page 364: ...t clearance DEF level caution lamp lights up Lowering of DEF level Add DEF IF MACHINE MONITOR SHOWS WARNING DISPLAY When the machine has some trouble and the action levels and guidance icons are displ...

Page 365: ...Current Abnormality screen and telephone number for the point of contact is displayed in the message column at the bottom of the screen REMARK If no point of contact telephone number is registered no...

Page 366: ......

Page 367: ...MAINTENANCE Please read and make sure that you understand the SAFETY section before reading this section 4 1...

Page 368: ...Do not remove the strainer while adding DEF PRECAUTIONS FOR WELDING When conducting weld repair turn the starting switch to OFF position and after confirming that the system operating lamp is turned...

Page 369: ...T 4 36 PRECAUTIONS WHEN INSTALLING HYDRAULIC HOSES When removing parts at locations where there are O rings or gasket seals clean the mounting surface and replace them with new parts When doing this b...

Page 370: ...When closing the engine side cover after inspection and maintenance lock it securely with the catcher If the engine side cover is not locked with the catcher the engine side cover may open PRECAUTIONS...

Page 371: ...cular care not to let any impurities get in when storing or adding oil Never mix oils of different grades or brands Always add the specified amount of oil Having too much oil or too little oil are bot...

Page 372: ...ion of the engine and aluminum parts of the cooling system When using antifreeze always observe the precautions given in Operation and Maintenance Manual Non Amine Engine Coolant AF NAC is already dil...

Page 373: ...ded grease and follow the replacement intervals and recommended ambient temperatures given in this Operation and Maintenance Manual Grease fittings not included in the periodic maintenance section are...

Page 374: ...sheet or take other measures to protect them To prevent any change in quality during long term storage be sure to use in the order of first in first out use the oldest oil or fuel first STORE DEF Comp...

Page 375: ...This will cause an electrical leakage and may lead to malfunction of the machine Do not wash the inside of the operator s cab with water When washing the machine be careful not to let water get into t...

Page 376: ...er of bolt a mm Width across flats b mm Tightening torque Target value Allowable range Nm kgm Nm kgm 6 10 13 2 1 35 11 8 to 14 7 1 2 to 1 5 8 13 31 3 2 27 to 34 2 8 to 3 5 10 17 66 6 7 59 to 74 6 0 to...

Page 377: ...41 216 22 0 177 to 245 18 0 to 25 0 36 46 245 25 0 197 to 294 20 0 to 30 0 42 55 294 30 0 246 to 343 25 0 to 35 0 Face seal Nominal No of threads a Width across flats b mm Tightening torque Target val...

Page 378: ...D FOR CHECKING FUNCTION OF ECSS ACCUMULATOR 4 40 SELECT AND CHECK TIRES 4 40 METHOD FOR LUBRICATING AJSS LEVER 4 42 CHECKS BEFORE STARTING 4 42 EVERY 50 HOURS MAINTENANCE 4 43 METHOD FOR DRAINING WATE...

Page 379: ...76 METHOD FOR REPLACING KCCV FILTER ELEMENT 4 78 METHOD FOR REPLACING DEF FILTER 4 81 METHOD FOR REPLACING DEF TANK BREATHER ELEMENT 4 84 EVERY 4000 HOURS MAINTENANCE 4 85 REPLACE DEFINED LIFE PARTS...

Page 380: ...where the foothold is poor be careful not to fall because of the re action when pulling out the outer element NOTICE Do not clean the element before the air cleaner clogging caution lamp on the machi...

Page 381: ...0 076 kg cm2 position soon after the cleaning the element must be re placed For the element replacement procedure see METHOD FOR REPLACING AIR CLEANER ELEMENT 4 18 3 Release the lock of radiator guard...

Page 382: ...clean cloth or tape to prevent dirt or dust from entering 6 Clean dust sticking inside air cleaner body 6 and on cover 3 by using a clean cloth or brush 7 If any dust is attached to vacuator valve 7 i...

Page 383: ...n and you can insert it easily k k CAUTION When installing the cover 3 check O ring 8 for scratches or damages and replace O ring with a new one if any 16 Install cover 3 as follows 1 Check that O rin...

Page 384: ...and lock it 2 Remove clips 2 6 places and remove cover 3 3 Hold the outer element 4 rock it lightly up and down and to the right and left and pull the outer element 4 out while turning it to the right...

Page 385: ...new one 2 Align cover 3 with the element Insert cover 3 with vacuator valve 7 right at the bot tom into air cleaner body 6 3 Lock the tips of clips 2 6 places on the protrusion of the air cleaner body...

Page 386: ...ars or every 4000 hours whichever comes sooner The coolant has the important function of preventing corrosion as well as preventing freezing Even in the areas where freezing is not an issue the use of...

Page 387: ...that has been drained during changing the coolant or repairing the radiator contact your Komatsu distributor or request a qualified company to perform the operation Coolant is toxic so never pour it...

Page 388: ...plugs 3 and 4 8 Pour the tap water through filler port of radiator Add water until it fills the radiator 9 Start the engine 10 Depress accelerator pedal 5 lightly and run the engine at a medium speed...

Page 389: ...day of the coolant change be sure to perform METH OD FOR CHECKING COOLANT LEVEL ADDING COOLANT 3 172 METHOD FOR CHECKING OIL LEVEL IN TRANSMISSION CASE ADDING OIL k k WARNING Immediately after the en...

Page 390: ...ore elapsed after the engine is stopped The oil level can be checked when the engine is running at low idle as well When checking in such condition perform the check as follows When the machine is con...

Page 391: ...e check If the machine is inclined in the right or left the oil level cannot be checked correctly REMARK If axle oil is in excess of specified amount oil may spill when the plug is removed Prepare the...

Page 392: ...the plug add oil through oil filler port F 4 If the oil level is correct install the plug 1 or level plug 2 Tightening torque 152 24 Nm 15 5 2 5 kgm METHOD FOR CLEANING AXLE BREATHER k k WARNING When...

Page 393: ...ed air high pressure water or steam hits your body directly or dirt is scattered by the compressed air high pressure water or steam there is a danger of personal injury Always wear protective equipmen...

Page 394: ...s not reversed Stop the engine and then select the fan reverse mode The fan reverse pilot lamp is lit on machine monitor while the fan is rotating in reverse Do not per form the operation while it is...

Page 395: ...case press RETURN switch 2 and then repeat the procedure from the first REMARK The fan rotation switches from the normal direction to the reverse direction only when all of the following conditions ar...

Page 396: ...Infor mation menu screen then press ENTER switch 1 REMARK If one of the following conditions is satisfied the fan rota tion returns from reverse direction to normal direction The engine is stopped The...

Page 397: ...radiator fins 8 with com pressed air NOTICE Steam or water may be used instead of the com pressed air However when using the powerful steam cleaning equipment high pressure machine wash for the heat e...

Page 398: ...Check that there is no person around the machine Always wear the protective equipment such as protective eyeglasses and gloves since broken pieces fly during the replacement work METHOD FOR REPLACING...

Page 399: ...ket adapter 3 8 Insert pin 1 into the bucket tooth and hit it with the ham mer 9 After operating several hours check that the pin does not come out METHOD FOR REPLACING KMAX TEETH Replace the tooth be...

Page 400: ...mately 45 and it decreases gradually after 45 7 Clean the mounting surface of tooth 2 8 Fit the new tooth 2 to the adapter 9 Insert the pin 1 rotate the shaft of the pin clockwise by 90 with socket wr...

Page 401: ...he mounting nut METHOD FOR CHECKING WINDOW WASHER FLUID LEVEL ADDING FLUID 1 Open cover 1 on the left side of the cab 2 Check the fluid level in window washer tank 2 If the level is low add window was...

Page 402: ...ht glass a Appropriate Just after the air conditioner switch is turned on a small number of bubbles are seen Then the sight glass becomes milky white and then becomes pale b Insufficient After the air...

Page 403: ...piston pump Bleed the air completely until the oil flows out from air bleeder 2 and plug 3 5 After bleeding the air tighten air bleeder 2 and plug 3 6 Release the lock of cover 1 then close the cover...

Page 404: ...r is bled completely then tighten plug 2 11 Check the oil level For the procedure see METHOD FOR CHECKING OIL LEVEL IN HYDRAULIC TANK ADDING OIL 4 47 If the oil level is low add oil 12 Start the engin...

Page 405: ...the fuel hose and tubes are serv iced or the supply pump is replaced perform the following procedure 1 After the fuel feed pump stops automatically the lamp goes out turn fuel feed pump switch 2 to O...

Page 406: ...en the ECSS switch is turned to ON position and OFF posi tion If there is no change in the vertical motion between the 2 settings the accumulator gas pressure has proba bly dropped Ask your Komatsu di...

Page 407: ...becoming too high measure the pressure from time to time with an air gauge while pumping up the tire When it is inflated the rim parts may fly out if they are not fitted properly Put a fence around th...

Page 408: ...fore and aft or its movement is not smooth perform the following Lubricate the AJSS lever U joint and AJSS lever slide rail 1 Remove the cover 1 2 Loosen the clamp 2 and move the cover 3 down ward 3...

Page 409: ...50 HOURS MAINTENANCE METHOD FOR DRAINING WATER AND SEDIMENT FROM FUEL TANK Items to be prepared Container to receive drained fuel 1 Place a container to receive drained fuel under drain valve 1 on th...

Page 410: ...inder pin 6 the bucket should be lowered to the ground with the bucket on the level 1 Set the frame lock bar to LOCK position L 2 By using a grease pump pump in grease through the grease fitting shown...

Page 411: ...ces 3 Bell crank pin 1 place 4 Bucket link pin 2 places 5 Bucket hinge pin 2 places 6 Lift cylinder pin 4 places METHOD FOR LUBRICATING STEERING CYLINDER 4 places NOTICE Perform greasing every 10 hour...

Page 412: ...any old grease that is pushed out 1 Steering cylinder bottom end 2 places 2 Steering cylinder rod end right 3 Steering cylinder rod end left METHOD FOR LUBRICATING REAR AXLE PIVOT PIN 3 places NOTICE...

Page 413: ...upper end of sight gauge G stop the engine and wait for the hydraulic oil to cool down Then drain excessive oil through the drain plug It may damage the oil circuit and cause the oil to spurt out 1 L...

Page 414: ...ry year 5 After cleaning the filter install filter 3 6 Close cover 1 REMARK If the filter becomes clogged the air flow will be reduced and there will be a rumbling sound from the air conditioner unit...

Page 415: ...e middle between UPPER LEVEL and LOWER LEVEL lines immediately remove cap 2 and add purified water e g commercially available replenishment water for a battery to UPPER LEVEL line 5 When you add the p...

Page 416: ...hten cap 2 securely REMARK If the purified water is added to above the bottom of the sleeve use a syringe to remove electrolyte Neu tralize the removed fluid with baking soda sodium bicarbonate then f...

Page 417: ...RK If the filter becomes clogged the air flow will be reduced and there will be a rumbling sound from the air conditioner unit METHOD FOR CHECKING FUNCTION OF BRAKE ACCUMULATOR For handling of the acc...

Page 418: ...tely after the engine is stopped its parts and oil are still very hot and may cause burn in jury Wait for the temperature to go down and then start the work When removing the oil filler cap the oil ma...

Page 419: ...new filter cartridge 10 Install the new filter cartridge to filter head 3 When installing it tighten it until the seal surface comes into contact with filter head 3 11 Tighten it 3 4 to 1 turns by us...

Page 420: ...nds using Komatsu genuine parts The common rail fuel injection system used on this machine consists of more precise parts than those in the conventional injection pump and nozzles If any cartridge oth...

Page 421: ...on the clean side 9 Thinly apply oil to the packing surfaces 10 Remove filter cartridge cap A and install it to the filter head When installing the cartridge tighten it by hand until the packing surf...

Page 422: ...s of more precise parts than those in the conventional injection pump and nozzles If any cartridge other than a Komatsu genu ine filter cartridge is used dust or dirt may get in and cause problems wit...

Page 423: ...bleed air from the circuit For the method of bleeding air see METHOD FOR BLEEDING AIR FROM FUEL CIRCUIT 4 38 8 After completing the air bleeding start the engine and check the filter seal surface for...

Page 424: ...3 56 kgm 9 Start the engine Run the engine at low idle for a while 1 minute or more 10 Check that the oil level is correct by referring to METHOD FOR CHECKING OIL LEVEL IN TRANSMIS SION CASE ADDING O...

Page 425: ...und on it 4 After checking the belt install bulkhead covers 3 and 4 with the bolts 5 Release the lock of radiator guard side cover 1 and close it METHOD FOR REPLACING ALTERNATOR AND AIR CONDITIONER CO...

Page 426: ...ve bulkhead covers 8 and 9 which separate the engine compartment and radiator com partment 5 Replace the belt 6 After replacing install bulkhead covers 8 and 9 with bolts 7 7 Release the lock of radia...

Page 427: ...that cap A is installed to the new filter cartridge and pour the clean oil to the cartridge NOTICE Always fill with clean oil Take care to prevent the dust from entering Pour the oil through small ho...

Page 428: ...nut 3 of breather assembly 2 4 Remove cover 4 5 Replace breather element 5 with a new one 6 Install cover 4 and nut 3 7 Release the lock of radiator guard side cover 1 and close it METHOD FOR CHANGIN...

Page 429: ...se the attached nipple and hose to prevent the oil from splashing around 4 Loosen the drain plug 2 and drain the oil 5 After draining the oil tighten drain plug 2 6 Remove the hose and nipple and inst...

Page 430: ...ADDING OIL 4 23 17 Check the transmission case and transmission oil filter for oil leakage METHOD FOR CLEANING TRANSMISSION BREATHER k k WARNING Immediately after the engine is stopped its parts and o...

Page 431: ...greasing wipe off any old grease that is pushed out METHOD FOR LUBRICATING DRIVE SHAFT CENTER SUPPORT 1 place 1 Set the frame lock bar to LOCK position L 2 By using a grease pump pump in grease throug...

Page 432: ...work 1 Open the radiator guard side cover 1 on the right side of machine and fix it with the rod 2 Remove bolts 2 and remove bulkhead covers 3 and 4 which separate the engine compartment and radiator...

Page 433: ...ER ELEMENT AND CLEANING HYDRAULIC TANK STRAINER k k WARNING Immediately after the engine is stopped its parts and oil are still very hot and may cause burn in jury Accordingly wait until they have coo...

Page 434: ...with a new one and install the plug 12 Remove the mounting bolts 7 6 pieces of filter cover 6 on the top of the tank then remove the cover The cover may be jumped out by spring 8 While pressing down...

Page 435: ...e steering cylinder of bucket and boom according to the following procedure 1 Run the engine at low idle and operate each cylinder of bucket and boom to approximately 100 mm before the stroke end 4 to...

Page 436: ...the bottom of bucket to be level and lower the work equipment to the ground 2 Set the parking brake switch to ON position operate 3 Stop the engine 4 Open cover 1 at the right side of cab and fix it w...

Page 437: ...he drain plug 1 install the nipple of acces sory tool insert the hose and place a container to catch the drained oil under the tip of the hose 3 Move the machine so that the drain plug 1 is at the bot...

Page 438: ...C AIR FILTERS Remove both the recirculation air filter and fresh air filter in the same way as in the cleaning procedure and replace them with new ones For replacement of the recirculation air filter...

Page 439: ...keep that con dition for 1 minute 13 Set the bucket control lever to DUMP position and the boom control lever to RAISE position When the cylinder reaches to its stroke end keep that condition for 1 m...

Page 440: ...re 12 Run the engine at low idle and perform boom RAISE and LOWER operation 4 times or more At this time take care not to relieve the cylinder 13 Run the engine at low idle and perform bucket TILT and...

Page 441: ...er 11 Start the engine Run the engine at low idle for 3 minutes or more 12 Run the engine at low idle and perform the full steering to right and left 3 times or more At this time take care not to reli...

Page 442: ...nd lower the work equipment gradually to the ground If the work equipment stops halfway the accumulator gas pressure may be low Ask your Komatsu distributor for inspection Replace the accumulator for...

Page 443: ...Place a container under the upper plug 1 of the work equipment pin to catch the drained oil 5 Loosen upper plug 1 slowly check that the oil does not spurt out and then remove the plug 6 Remove lower...

Page 444: ...er and aftercooler become dirty and their performance will lower and it can cause engine problems such as overrun caused by suc tion of oil Never try such practice The filter element cannot be cleaned...

Page 445: ...see the figure For the machine with rear fender operate lever a downward and open cover b before the work 1 Open the engine side cover on the right side of machine and fix it with the rod and band 2...

Page 446: ...he used O ring 6 sticking to case 4 and install a new O ring contained in the service kit Apply engine oil to the new O ring 5 While matching marks 7 of the new element with mark 8 of the body label i...

Page 447: ...Do not replace the filter immediately Wait for all of parts to cool down before starting the work NOTICE Komatsu recommends using Komatsu genuine parts for replacement parts If the machine is operate...

Page 448: ...p Items to be prepared DEF filter removal tool Torque wrench The DEF filter is located at the position shown in the figure 1 Remove the bolt and open the cover 2 Remove the filter cap 1 at the bottom...

Page 449: ...it out together with the filter removal tool 3 If filter 6 cannot be removed from the DEF pump grip the filter removal tool 3 pull it down then it will be removed 8 Slide the filter 6 down and remove...

Page 450: ...se the element other than Komatsu genuine parts The DEF tank breather element cannot be flushed Flushing or regenerating of it will degrade the performance of element and will cause the breakage of th...

Page 451: ...and close it For the machine with rear fender hold the edge and be sure to close the cover b EVERY 4000 HOURS MAINTENANCE Maintenance for every 50 100 250 500 1000 and 2000 hours service should be pe...

Page 452: ...R LUBRICATING DRIVE SHAFT NOTICE Neglecting the greasing to the drive shaft may lead to breakage of the shaft and the runout of the shaft leads to a serious damage to the machine Observe the specified...

Page 453: ...HOD FOR CHECKING AND ADJUSTING AIR CONDITIONER COMPRESSOR Ask your Komatsu distributor to perform the work METHOD FOR CHECKING FOR LOOSENESS OF ENGINE HIGH PRESSURE PIP ING CLAMP HARDENING OF RUBBER N...

Page 454: ...ER The fuel spray prevention cap acts to prevent the fuel from coming into contact with high temperature parts of the engine and causing a fire if the fuel should leak or spray out Check fuel spray pr...

Page 455: ...NING DEF TANK Ask your Komatsu distributor for cleaning of the DEF tank METHOD FOR CLEANING FUEL DOSER For cleaning the fuel doser ask your Komatsu distributor METHOD FOR CHECKING FOR MISSING FUEL SPR...

Page 456: ...Ask your Komatsu distributor to have the starting motor and alternator overhauled EVERY 9000 HOURS MAINTENANCE Maintenance for every 50 100 250 500 1000 and 4500 hours service should be performed at t...

Page 457: ...SPECIFICATIONS 5 1...

Page 458: ...ith bucket lifted up mm 7925 D Overall width mm 3590 E Minimum ground clearance mm 525 F Bucket width protector mm 3915 G Dumping clear ance 1 Tip of cutting edge tip of tooth mm 4270 3965 H Dumping r...

Page 459: ...nit WA600 8 in POWER mode Ambient temperature working range for operation and storage C 20 thru 45 1 Value when bucket dump angle is 45 2 Value when articulate angle is 43 SPECIFICATIONS SPECIFICATION...

Page 460: ...ket width protector mm 3915 G Dumping clear ance 1 Tip of cutting edge tip of tooth mm 4005 3700 H Dumping reach 1 Tip of cutting edge tip of tooth mm 1690 1915 I Bucket dump angle max height deg 45 M...

Page 461: ...SPECIFICATIONS SPECIFICATIONS 5 5...

Page 462: ......

Page 463: ...ATTACHMENTS AND OP TIONS Please read and make sure that you understand the SAFETY section before reading this section 6 1...

Page 464: ...ombination of bucket and boom Boom length Bucket capacity Normal load Bucket weight Remarks 3990 mm 6 4 m3 11520 kg 5435 kg 3990 mm 7 0 m3 11520 kg 5595 kg Stockpile bucket 3850 mm 7 0 m3 12600 kg 559...

Page 465: ...HANDLE STEERING WHEEL SPEC MACHINE GENERAL VIEW CONTROLS AND GAUGES NAMES ATTACHMENTS AND OPTIONS HANDLE STEERING WHEEL SPEC MACHINE 6 3...

Page 466: ...H brake pedal 19 Room lamp switch 20 Room lamp 2 switch 21 Staircase lighting switch 22 Revolving lamp switch if equipped 23 Working lamp switch 24 Rear heated wire glass switch 25 Secondary parking b...

Page 467: ...pply 3 Cigarette lighter 4 12 V power supply 5 AUX 6 Open knob for alternate exit of cab 7 Lunch box tray 8 Fuse 9 Cool box 10 Cup holder 11 Unlock knob for cab window 12 Cab door inner lock 13 Open k...

Page 468: ...era 18 Towing pin 19 Backup alarm 20 Grease pump holder 21 Battery 22 Circuit breaker 23 Battery disconnect switch 24 System operating lamp 25 Auxiliary engine starting connector 26 L H SCR assembly 2...

Page 469: ...lbox 36 DEF filter 37 Dust indicator 38 R H DEF injector 39 R H SCR assembly 40 R H KDPF EXPLANATION OF COMPONENTS The following is an explanation of devices necessary to operate the machine To perfor...

Page 470: ...SWITCHES HANDLE STEERING WHEEL SPEC MACHINE ATTACHMENTS AND OPTIONS 6 8...

Page 471: ...4 Staircase lighting switch 15 Revolving lamp switch if equipped 16 Working lamp switch 17 Rear heated wire glass switch 18 Secondary parking brake release switch 19 Modulation clutch engagement switc...

Page 472: ...lever DIMMER SWITCH The dimmer switch is used to change the headlamp direction L Downward direction position The headlamp is in a downward direction H Upward direction position The headlamp is in an...

Page 473: ...ow speed Position d HI The front wiper operates at high speed Push button B at the tip of the wiper and window washer switch to spray with window washer fluid Do not keep pressing button B for more th...

Page 474: ...ged among gear speeds of 1st to 4th depending on the travel condition a 1st position The gear speed is fixed to 1st speed and it is not changed au tomatically b 2nd position The gear speed is automati...

Page 475: ...peed switch is in F3 When setting the gear speed to any speed for automatic shift To select a gear speed for uphill or downhill travel or grading use the following procedure 1 Press the hold switch to...

Page 476: ...ndicator on the machine monitor the alarm buzzer sounds STEERING TILT LOCK LEVER k k WARNING Stop the machine before adjusting the tilt of the steering wheel If this operation adjustment is performed...

Page 477: ...fully with your back against the seat backrest METHOD FOR ADJUSTING ARMREST ANGLE Turn the angle adjustment knob to adjust the armrest angle Adjustment amount 35 Forward tilt 12 backward tilt 23 REMA...

Page 478: ...G ENGINE k k WARNING When starting the engine securely press the work equip ment lock switch to lock the work equipment and make the work equipment lock pilot lamp light up If the work equipment is no...

Page 479: ...trol lever to HOLD posi tion 2 Turn the starting switch to ON position 3 Press a of the work equipment lock switch to unlock the work equipment The work equipment lock pilot lamp on the machine monito...

Page 480: ...p there may be a failure or wire breakage Ask your Komatsu distribu tor for inspection 1 Centralized warning lamp 8 and pilot display 9 are lit for 2 seconds and off for 1 second 2 Liquid crystal disp...

Page 481: ...For details of the password setting changing or can celing see the separate Password Change and Can cel Procedure 7 Liquid crystal display 10 displays the standard screen 2 seconds later 8 When the c...

Page 482: ...REEN SETTING 3 82 Maintenance time caution lamp is lit for 30 seconds 10 Check that the work equipment lock pilot lamp is lit on ma chine monitor 7 When the work equipment lock pilot lamp is not lit p...

Page 483: ...rns to ON position the starting mo tor does not rotate within 3 seconds even if you turn the starting switch to START position When starting the engine do not depress the accelera tor pedal Even if th...

Page 484: ...h 1 automatically returns to ON position B REMARK At starting of the engine battery voltage may drop abruptly depending on the ambient temperature or battery condi tion and the machine monitor may lig...

Page 485: ...more than a half day it takes time to attain perfect combustion Operate the starting switch according to the following procedure 1 Turn starting switch 1 to ON position B This machine is equipped wit...

Page 486: ...n the DEF system is automatically heated to thaw DEF after the engine is started The devices do not operate until DEF is thawed and sup plied but this does not indicate any abnormality When the ambien...

Page 487: ...peration Particularly in a cold weather be sure the warm up operation is completed If the machine is operated without sufficient warming up operation sensors may break because of frozen DEF tank Do no...

Page 488: ...f it is necessary to run the engine at idle for 20 minutes or more apply a load from time to time or run at a medium speed Turn the steering wheel a little and stop at certain position Check that the...

Page 489: ...maintenance or repair 4 Check for abnormal exhaust gas color noise or vibration If any abnormality is found contact your Komatsu distributor REMARK The cooling fan speed varies according to the follow...

Page 490: ...ump is automatically purged and returned to the tank to prevent malfunction of the devices caused by freez ing of DEF or deposition of urea For this purpose the devices keep operating for sev eral min...

Page 491: ...e travel path There is a blind spot behind the machine so be ex tremely careful when driving the machine in reverse When moving the machine off at an uphill depress the accelerator pedal while depress...

Page 492: ...f 50 to 60 cm 6 Depress R H brake pedal 5 To move off the machine at an uphill depress L H brake pedal 6 7 Set parking brake switch 7 to OFF position b to release the parking brake Keep R H brake peda...

Page 493: ...rs 10 Release R H brake pedal 5 then depress accelerator pedal 11 To move off the machine at an uphill depress accelerator pedal 11 while gradually releasing L H brake pedal 6 This prevents the machin...

Page 494: ...h 4 to ON position a and apply the parking brake When the parking brake has been applied the parking brake pilot lamp lights up on machine monitor 5 REMARK When the parking brake switch is actuated th...

Page 495: ...lamp lights up b Manual shift Manual shift is effective Automatic shift pilot lamp goes out Gear speed is set to the gear speed shown on the shift in dicator 2 Set gear shift switch 3 to the desired p...

Page 496: ...of the engine The centralized warning lamp lights up alarm buzzer sounds the action level L02 is displayed and the overrun caution lamp lights up If the alarm buzzer sounds release the accelerator pe...

Page 497: ...ion in which the machine moves There is a blind spot behind the machine so be extremely careful when driving the machine in re verse While driving the machine at high speed do not perform directional...

Page 498: ...on or gear shifting is not performed in order to protect the transmission however this is not a trouble DIRECTION CHANGE CONTROL AT HIGH SPEED TRAVEL If you try to change the direction while the machi...

Page 499: ...ravel It is particularly dangerous if the engine is stopped while the machine is traveling on slopes so never try such practice If the engine is stopped during travel the secondary steering is actuate...

Page 500: ...the work equipment is not securely locked it can start moving and cause a serious personal injury or death Set work equipment control lever A to HOLD posi tion then operate the work equipment lock swi...

Page 501: ...position a boom control lever 3 stops at detent position e the boom stops at the highest position and boom control lever 3 re turns to HOLD position b at the same time b HOLD position The boom remains...

Page 502: ...a right angle to the slope face chock the tires and then lower the bucket to the ground Before standing up from the operator s seat or when adjusting the position of the operator s seat securely pres...

Page 503: ...achine was traveling ask your Komatsu distributor for inspection of the parking brake system 1 Release accelerator pedal 1 then depress R H brake pedal 2 to stop the machine 2 Set directional selector...

Page 504: ...ers 6 and 7 and lower the bucket to the ground 6 Set bucket control lever 6 to HOLD position c 7 Set boom control lever 7 to HOLD position b 8 Press a of work equipment lock switch 8 and lock the work...

Page 505: ...9 Check that the work equipment lock pilot lamp is lit on ma chine monitor 5 ATTACHMENTS AND OPTIONS HANDLE STEERING WHEEL SPEC MACHINE 6 43...

Page 506: ...rom the bucket and displays the total load This mode is useful for grasping the load of material that is loaded onto a dump truck or charged to a hopper It is also helpful in figuring out the producti...

Page 507: ...5 seconds the measurement is not completed and stopped 0 t remains dis played Calculation and display The loaded weight is calculated from the lift cylinder pressure at bottom and head boom angle and...

Page 508: ...ent will be reduced Shape of loaded material Perform the loaded calibration with the loaded material in the same shape as that during actual operation Warm up operation Perform normal operation includ...

Page 509: ...d to drive the machine drive it at a low speed 5 km h without acceleration and deceleration 6 Slope If you place the machine on a slope the accuracy of the measurement will be reduced Measure on a fla...

Page 510: ...in Addition mode even if you stop the operation by turning the starting switch to OFF position you need not select this mode again when you start the same operation The measured load is added to the t...

Page 511: ...MODE Set the load meter to Addition mode The explanation is made when A is selected for the handled material 1 Load the bucket with the first load tilt back the bucket fully raise the boom above the h...

Page 512: ...press the load meter cancel switch The er roneous second load data is cleared and the indication of total load is displayed as 5 1 t You can cancel it for 15 seconds after the weight is displayed or...

Page 513: ...seconds while the bucket load is displayed but the load meter sub total switch is disabled After 15 seconds have elapsed and the bucket load becomes 0 0 t you cannot cancel the indication and sub tota...

Page 514: ...anges to and the Subtraction mode is select ed METHOD FOR SETTING TARGET LOADING AMOUNT IN SUBTRACTION MODE 1 Press the menu switch 1 on the standard screen 2 Press menu switch 1 and select Load Meter...

Page 515: ...SUBTRACTION MODE Set the load meter to Subtraction mode The explanation is made when the target loading amount is set to 12 0 t 1 Load the bucket with the first load tilt back the bucket fully raise t...

Page 516: ...next weight measurement 2 Load the bucket with the second load tilt back the bucket fully raise the boom above the horizontal and dump the load onto a dump truck At this time if the load is assumed to...

Page 517: ...shing and the indication of bucket load does not become 0 0 t even 15 seconds after the load exceeds target load you cannot cancel the indi cation for 15 seconds and sub total switch is enabled 4 Dump...

Page 518: ...witch in order to start the next loading work The weight currently remains in the bucket is remaining target load of the second loading 9 Dump the material remaining in the bucket onto a dump truck an...

Page 519: ...The display moves to Productivity screen and the pro duction and fuel consumption for the handled material cur rently selected are displayed Start time and last reset year month date time of producti...

Page 520: ...ared CHECK TOTAL LOADING AMOUNT DATA Display of total loading amount 1 Press the menu switch 1 on the standard screen 2 Press menu switch 1 and select Load Meter menu 3 Press UP switch 2 or DOWN switc...

Page 521: ...rform normal operation including boom RAISE and LOWER for 10 minutes or more 30 minutes or more is preferable as a warm up operation in order to raise the hydraulic oil temperature to the normal opera...

Page 522: ...is completed normally the display re turns to Calibration screen If the calibration is not completed normally the screen changes to Calibration Result confirmation screen Check the content and repeat...

Page 523: ...ation load is displayed beside the menu If the calibration has not been done the default value of calibration load is displayed and is displayed beside it If the calibration has not been done 5 Press...

Page 524: ...d the screen changes to Load Weight Check screen If the displayed weight is correct press ENTER switch 4 For re inputting press RETURN switch 5 10 After the calibration is completed normally the displ...

Page 525: ...tion load is displayed beside the menu If the calibration has not been done the default value of calibration load is displayed and is displayed beside it If the calibration has not been done 5 Press U...

Page 526: ...9 When ENTER switch 4 is pressed while the last digit is highlighted the screen changes to Load Weight Check screen If the displayed weight is correct press ENTER switch 4 For re inputting press RETU...

Page 527: ...he confirmation screen for Reset is displayed press ENTER switch 4 to reset or press RETURN switch 5 to cancel resetting 6 After resetting the default value of calibration data and calibration load ar...

Page 528: ...ect ON on the confirmation screen for Load Meter Display REMARK If the load meter is set to Non display following items alone ap pear on the menu screen of load meter Production Display and Reset Load...

Page 529: ...ounds when pressing the load meter subtotal switch 5 For canceling the Subtotal SW Interlocking Horn Set perform steps 1 to 3 and select OFF on the Subtotal SW Interlocking Horn Set screen REMARK Load...

Page 530: ...is necessary to set up the following external power supply facility 2 It is necessary to make an electric cable that can bring the above electricity from the external power supply facility to the rece...

Page 531: ...re Type 2 EP rubber insulated heavy duty chloroprene sheath cabtyre cable For reference see the diagram Use the specifications as follows Nominal cross sectional area of 1 core It should be 14 mm2 Vol...

Page 532: ...INSTALL EXTERNAL POWER SUPPLY SYSTEM k k CAUTION When setting up the external power supply facility follow all related laws and regulations in that country and use an authorized contractor The electri...

Page 533: ...ernal power supply facility has been installed check it according to the following procedure 1 Check for leakage of oil and water 2 Check for interference of wiring harnesses 3 Connect to the external...

Page 534: ......

Page 535: ...REPLACEMENT PARTS 7 1...

Page 536: ...same time as the hoses Also perform the following checks with hydraulic hoses which need not to be replaced periodically Tighten all loose hoses and replace defective hoses as required When replacing...

Page 537: ...main filter 600 319 3841 Cartridge 2 Brake oil filter if equipped 426 43 38760 Cartridge 2 Transmission oil filter 14X 49 61410 Cartridge 4 Transmission strainer 07000 75085 O ring 1 Every 1000 hours...

Page 538: ...78 70 14150 Shim 1 0 mm 2 178 70 14160 Shim 0 5 mm 2 Tip type tooth KMAX 426 848 3110 Tooth 8 208 934 7590 Pin 8 Segment edge KMAX 426 838 3220 Center segment edge 1 426 838 3230 R H segment edge 3 42...

Page 539: ...lt your Komatsu distributor NOTICE The fuel used must be ultra low sulfur diesel fuel 10 ppm To ensure good fuel consumption characteristics and ex haust gas characteristics the engine mounted on this...

Page 540: ...The symbols used in the lubrication chart are explained as follows RECOMMENDED FUEL COOLANT AND LUBRICANT REPLACEMENT PARTS 7 6...

Page 541: ...ilter Drain METHOD FOR USING FUEL COOLANT AND LUBRICANTS ACCORDING TO AMBIENT TEMPERATURE Reservoir Fluid Type Ambient Temperature degrees Celsius Recommended Komatsu Fluids Min Max Engine oil pan Eng...

Page 542: ...ifferent properties from engine oil Be sure to use the recommended oils Note 3 Axle oil AXO80 is capable of preventing the brake and LSD Limited Slip Differential from creaking When only AXO80 is reco...

Page 543: ...se fill up the tank with pre diluted fluid Never dilute the Non Amine Engine Coolant with ordinary water Note 8 The DEF freezes at 11 C If thawing is necessary DEF system is automatically heated and t...

Page 544: ......

Page 545: ...Air lumbar support Adjust 3 184 AJSS lever 3 128 AJSS lever Lubricate 4 42 AJSS lever stand Adjust 3 192 AJSS lever stand Adjust in fore and aft direction 3 192 AJSS operation pilot lamp 3 35 Allowabl...

Page 546: ...l and floor Check 3 203 Clearance lamp pilot lamp 3 35 Clock 3 39 Clock Adjust 3 274 Clock adjustment 3 91 Cold weather operation 3 278 Cold weather operation information 3 278 Consumable parts 7 3 Co...

Page 547: ...Change oil Engine oil filter cartridge Replace 4 52 Engine oil pan Check oil level Add oil 3 173 Engine oil pressure caution lamp 3 28 Engine overrun caution lamp 3 29 Engine related parts Phenomena a...

Page 548: ...Rotate in reverse 3 68 Hydraulic oil filler port cap Close 3 248 Hydraulic oil filler port cap Open 3 247 Hydraulic oil temperature caution lamp 3 22 Hydraulic oil temperature gauge 3 45 Hydraulic ta...

Page 549: ...n abnormal situation 3 15 Machine monitor Operate when starting engine in normal situation 3 12 Machine monitor Operate when starting engine while engine shutdown secondary switch is ON 3 13 Machine m...

Page 550: ...recautions for high temperature parts 2 42 Precautions for installing removing or storing attach ments 2 39 Precautions for jobsite 2 24 Precautions for KDPF 4 2 Precautions for long term storage 3 28...

Page 551: ...sten 3 190 Seat belt Fasten Unfasten 3 190 Seat belt Unfasten 3 191 Seat belt anchor Adjust 3 191 Seat belt caution lamp 3 24 Seat cushion Adjust in fore after direction 3 183 Seat heater Use 3 185 Se...

Page 552: ...f position 2 40 Turn off ecss switch before performing inspection and maintenance 2 39 Turn signal lever 3 108 6 10 Turn signal pilot lamp 3 34 Two workers for maintenance when engine is running 2 38...

Page 553: ......

Page 554: ...WA600 8 WHEEL LOADER Form No EENAM03470 2016 KOMATSU All Rights Reserved Printed in Belgium 03 2016...

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