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METHOD FOR CHECKING AND LUBRICATING TENSION PULLEY ASSEMBLY OF ALTERNATOR AND

AIR CONDITIONER COMPRESSOR DRIVE BELT............................................................................. 4-59

METHOD FOR CHECKING ALL TIGHTENING POINTS OF ENGINE INTAKE PIPE CLAMPS.............. 4-59
METHOD FOR CHECKING WELDED STRUCTURE ............................................................................. 4-59
METHOD FOR REPLACING HYDRAULIC TANK BREATHER ELEMENT ............................................. 4-63
METHOD FOR REPLACING SWING MOTOR COOLING FILTER ELEMENT........................................ 4-63

EVERY 2000 HOURS MAINTENANCE ......................................................................................................... 4-66

METHOD FOR CHANGING OIL IN FINAL DRIVE CASE ....................................................................... 4-66
METHOD FOR CLEANING HYDRAULIC TANK STRAINER .................................................................. 4-67
METHOD  FOR  CHECKING  AND  RELEASING  NITROGEN  GAS  CHARGE  PRESSURE  IN  ACCUMULA-

TOR (FOR CONTROL CIRCUIT) ........................................................................................................ 4-68

METHOD OF CHECKING BOOST PIPING HOSE CLAMP .................................................................... 4-71
METHOD FOR CHECKING ALTERNATOR ............................................................................................ 4-71
METHOD FOR CHECKING AND ADJUSTING ENGINE VALVE CLEARANCE ...................................... 4-71
METHOD FOR REPLACING KCCV FILTER ELEMENT ......................................................................... 4-71

EVERY 4000 HOURS MAINTENANCE ......................................................................................................... 4-74

REPLACE DEFINED LIFE PARTS.......................................................................................................... 4-74
METHOD FOR CHECKING WATER PUMP............................................................................................ 4-75
METHOD FOR CHECKING STARTING MOTOR.................................................................................... 4-75
METHOD FOR REPLACING ACCUMULATOR (FOR CONTROL CIRCUIT) .......................................... 4-75
METHOD FOR CHECKING AND ADJUSTING AIR COMPRESSOR ..................................................... 4-76
METHOD  FOR  CHECKING  FOR  LOOSENESS  OF  ENGINE  HIGH-PRESSURE  PIPING  CLAMP,  HARD-

ENING OF RUBBER ........................................................................................................................... 4-76

METHOD FOR CHECKING FOR MISSING FUEL SPRAY PREVENTION CAP, HARDENING OF RUBBER.

............................................................................................................................................................ 4-77

METHOD FOR REPLACING RADIATOR CAP ....................................................................................... 4-78

EVERY 4500 HOURS MAINTENANCE ......................................................................................................... 4-79

METHOD FOR CLEANING KDPF .......................................................................................................... 4-79
METHOD FOR CLEANING FUEL DOSER ............................................................................................. 4-79
CHECK  FOR  MISSING  FUEL  SPRAY  PREVENTION  CAP  ON  FUEL  DOSER  PIPING,  HARDENING  OF

RUBBER ............................................................................................................................................. 4-79

EVERY 5000 HOURS MAINTENANCE ......................................................................................................... 4-79

METHOD FOR CHANGING OIL IN HYDRAULIC TANK, CLEANING HYDRAULIC TANK STRAINER... 4-79
METHOD FOR CHECKING LOOSENESS AND TIGHTENING SWING CIRCLE BOLTS ....................... 4-81

EVERY 8000 HOURS MAINTENANCE ......................................................................................................... 4-83

METHOD FOR REPLACING ENGINE HIGH-PRESSURE PIPING CLAMP ........................................... 4-83
METHOD FOR REPLACING FUEL SPRAY PREVENTION CAP............................................................ 4-83
METHOD FOR OVERHAULING STARTING MOTOR AND ALTERNATOR ............................................ 4-83

EVERY 9000 HOURS MAINTENANCE ......................................................................................................... 4-83

METHOD FOR REPLACING FUEL SPRAY PREVENTION CAP ON FUEL DOSER PIPING................. 4-83
END OF SERVICE LIFE ......................................................................................................................... 4-83

MAINTENANCE INTERVAL WHEN DIESEL FUEL MIXED WITH BIO-FUEL IS
USED

If the diesel fuel which does not include the bio-fuel is changed to the diesel fuel mixed with bio-fuel, set the
maintenance interval as follows.

Replace the fuel pre-filter cartridge

When the machine is operated first 250 hours after the diesel fuel has been changed to the diesel fuel mixed
with bio-fuel, and when the machine is operated further 250 hours.
After that, replace it within 500 hours as a periodic replacement by the service meter reading.

Replace the fuel main filter cartridge

When the machine is operated first 250 hours after the diesel fuel has been changed to the diesel fuel mixed
with bio-fuel, and when the machine is operated further 250 hours.
After that, replace it within 1000 hours as a periodic replacement by the service meter reading.

MAINTENANCE

MAINTENANCE SCHEDULE

4-11

Содержание PC1250-11

Страница 1: ...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...

Страница 2: ......

Страница 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...

Страница 4: ...Keep it in the magazine box on the left side of 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 ser...

Страница 5: ...ng the processing of your personal data i e storage collection transfer etc of all information that relates to you as operator to the party with whom you have most direct relationship In principle thi...

Страница 6: ...tion 4 above For the purposes a to l as indicated in section 4 above as well as for the purpose of informing a third party in the context of a possible merger acquisition or demerger the processing of...

Страница 7: ...t data b the processing is illegitimate or c the data are no longer needed for the pur poses which are outlined above but you need them to defend yourself in judicial proceedings You have the right to...

Страница 8: ...safety mes sage This signal word indicates an imminently hazardous situation which if not avoided will result in death or serious injury This signal word indicates a potentially hazardous situation wh...

Страница 9: ...t the operator s station measured according to ISO 6396 Dynamic test method simulated working cycle The maximum value of the standard deviation of the meas ured time averaged A weighted emission sound...

Страница 10: ...d linkages 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...

Страница 11: ...Do not repeatedly handle and lift loads FOREWORD VIBRATION LEVELS 1 9...

Страница 12: ...APPLICATIONS DIRECTIONS OF MACHINE A Front B Rear C Left D Right E Operator s seat F Sprocket In this manual the terms front rear left and right refer to the travel direction as seen from the operato...

Страница 13: ...This machine maintains a proximity visibility of a height of 1 2 m at a point 1 m away from the outside surface of the machine and a visibility for a radius of 12 m FOREWORD INTRODUCTION 1 11...

Страница 14: ...upon the information supplied in the visibility map the site operator may wish to provide additional meas ures where it is felt necessary or provide additional instruction to personnel Specification...

Страница 15: ...culate Filter KDPF Komatsu Diesel Particulate Filter KDPF A device which captures diesel particular matter or soot in the ex haust gas to purify exhaust gas If soot is accumulated to a certain level i...

Страница 16: ...wing items LOCATION OF PRODUCT IDENTIFICATION NUMBER PIN MACHINE SERI AL NO PLATE It is located on the right bottom of the operator s cab The design of the nameplate varies according to the district L...

Страница 17: ...MBERS AND DISTRIBUTOR Machine serial 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...

Страница 18: ...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...

Страница 19: ...OPE INT Mechelsesteenweg 586 B 1800 Vilvoorde Belgium Declares that this machine PC1250 11 PC1250SP 11 Fulfils all the relevant provisions of following EC Directives Machine Directive 2006 42 EC Elect...

Страница 20: ...TION 2 11 PREPARATIONS FOR SAFE OPERATION 2 11 PRECAUTIONS TO PREVENT FIRE 2 12 PRECAUTIONS WHEN GETTING ON OR OFF MACHINE 2 14 DO NOT GET CAUGHT IN WORK EQUIPMENT 2 16 PRECAUTIONS RELATED TO PROTECTI...

Страница 21: ...ION OF RADIO EQUIPMENT 3 211 METHOD FOR CONTROLLING RADIO 3 213 STOW ANTENNA 3 216 KomVision 3 217 PRECAUTIONS WHEN USING KomVision 3 217 MONITOR DISPLAY 3 217 TRANSPORTATION 3 219 PRECAUTIONS FOR TRA...

Страница 22: ...FORE STARTING 4 38 EVERY 10 HOURS MAINTENANCE 4 38 EVERY 100 HOURS MAINTENANCE 4 40 EVERY 250 HOURS MAINTENANCE 4 40 EVERY 500 HOURS MAINTENANCE 4 43 EVERY 1000 HOURS MAINTENANCE 4 53 EVERY 2000 HOURS...

Страница 23: ...PLACEMENT OF DEFINED LIFE PARTS 7 2 PERIODIC REPLACEMENT OF DEFINED LIFE PARTS 7 3 DEFINED LIFE PARTS LIST 7 3 CONSUMABLE PARTS 7 4 CONSUMABLE PARTS 7 4 RECOMMENDED FUEL COOLANT AND LUBRICANT 7 6 LUBR...

Страница 24: ......

Страница 25: ...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...

Страница 26: ...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...

Страница 27: ...LOCATION OF SAFETY LABELS 1 Caution for operation inspection and maintenance 2 Caution before operating SAFETY SAFETY LABELS 2 3...

Страница 28: ...on of start by short circuiting 19 Caution for blast site 20 Caution for high temperature resistance CONTENTS OF SAFETY LABELS Caution for operation inspection and mainte nance 09651 A0641 Warning Rea...

Страница 29: ...ectric cables 09801 A0641 An electrocution hazard if the machine is brought too near to electric power lines Keep a safe distance from electric power lines Caution for control pattern 09822 A0751 In o...

Страница 30: ...s Caution for handling accumulator and gas spring 09659 A057B There is the hazard of explosion causing injury Do not disassemble the device make holes in it weld it cut it hit it roll it or bring it n...

Страница 31: ...tion and maintenance Emergency escape 09844 00050 This is an emergency exit when the cab door will not open In emergency smash the window pane with an equipped hammer and get through there Caution aga...

Страница 32: ...button to change display mode on monitor so you can see rear and side of machine Before moving look around and at mirror and monitor to confirm that no one is around the machine Failure to do so can...

Страница 33: ...it at least 30 seconds to allow internal pressure to go down DO NOT RISK SEVERE INJURY OR DEATH Prohibition of start by short circuiting 09842 A0482 Start the engine only after sitting down in the ope...

Страница 34: ...r high temperature resistance 09817 K064B Sign indicates a burn hazard from touching heated parts such as engine motor or muffler during or right after oper ation Never touch when hot SAFETY LABELS SA...

Страница 35: ...r explanation PREPARATIONS FOR SAFE OPERATION PRECAUTIONS FOR SAFETY RELATED EQUIPMENT Be sure that all guards covers cameras and mirrors are in their proper position Repair them immediately if they a...

Страница 36: ...re 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 such as fla...

Страница 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...

Страница 38: ...machine and maintain at least three point contact both feet and one hand or both hands and one foot with the handrails and steps to ensure that you sup port yourself Before getting on and off the mac...

Страница 39: ...nal injury or death PRECAUTIONS WHEN LEAVING MACHINE If the proper procedures are not taken when parking the machine the machine may suddenly move off by itself and this may lead to serious personal i...

Страница 40: ...ate ROPS will not be able to fulfill its function Do not increase ma chine weight beyond the certified value by modifying the ma chine or by installing attachments to the machine Also if the function...

Страница 41: ...failures physical loss or damage or influence on the environment resulting from the use of unauthorized attachments or parts will not be the responsibility of Komatsu When installing optional parts or...

Страница 42: ...gas contains substances that may damage your health or even cause death Start or operate the engine in a place where there is good ventilation If the engine or ma chine must be operated inside a buil...

Страница 43: ...TIONS WHEN WORKING ON LOOSE GROUND Avoid driving or operating the machine near the edge of cliffs road edges and deep ditches The ground may be weak in such areas If the ground should collapse under t...

Страница 44: ...f necessary Stop operations if the visibility is poor because of mist snow rain or dust When checking the mirrors installed to the machine remove all dirt and adjust the angle of the mirror to ensure...

Страница 45: ...th the operation of the machine If these checks are not performed properly problems may occur with the operation of the machine and there is a danger which may lead to serious personal injury or death...

Страница 46: ...sure the warming up operation is completed If the battery electrolyte is frozen do not charge the battery or start the engine with a different power source There is a hazard that this will ignite the...

Страница 47: ...nd smell of the machine or abnormalities of instruments Also check that there is no leakage of oil or fuel If any problem is found repair it immediately PRECAUTIONS WHEN TRAVELLING IN FORWARD OR REVER...

Страница 48: ...ent may get stuck in the ground and the machine may tip over If the view to the right side is poor raise the boom to en sure better visibility Always turn the auto deceleration switch OFF cancel when...

Страница 49: ...o 30 cm above the ground In case of emergency lower the work equipment to the ground immediately to help stopping the machine When driving the machine up slopes set the operator s cab facing uphill wh...

Страница 50: ...ad to serious personal injury or death Always pro vide a stable place when performing these operations and operate carefully Do not swing the work equipment from the uphill side to the downhill side w...

Страница 51: ...laced on It is dangerous that the structure may collapse and the machine may fall Do not demolish the structure above the machine It is dangerous that broken parts may fall or the structure may collap...

Страница 52: ...er 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 machine may tip over or be not able to e...

Страница 53: ...ground only Avoid road edge or place near the cliff Never use the work equipment to load or unload the machine There is danger that the machine may fall or tip over Always use ramps of adequate streng...

Страница 54: ...C There is a danger that the rope may break during the towing operation Always wear leather gloves when handling the wire rope Never tow a machine on a slope During the towing operation never stand b...

Страница 55: ...ad in any direction There is danger that the hook may break and the load come off causing the work equipment to move suddenly and cause personal injury Do not leave the operator s seat while the load...

Страница 56: ...enable you to perform oper ations 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 yourself When cleaning the ceiling window whi...

Страница 57: ...fol lowing Lower the work equipment to the ground and stop the en gine before performing any inspection and maintenance Turn the starting switch to ON position Operate the work equipment control lever...

Страница 58: ...m the ma chine in a stable condition so that they do not fall And take steps to prevent unauthorized persons from entering the storage area PRECAUTIONS FOR WORKING AT HIGH PLACES When working at high...

Страница 59: ...the work equipment and machine are not supported they may come down and it may cause serious per sonal injury or death Never use concrete blocks for supports Concrete blocks may break under even ligh...

Страница 60: ...e charging After charging tighten the battery caps securely Danger from dilute sulphuric acid When the battery is being charged flammable hydrogen gas is generated Battery may explode In addition the...

Страница 61: ...spurting out or from touching high temperature parts when checking or draining the oil wait for the oil to cool down to a temperature where the cap or plug can be touched by hand Then loosen the cap o...

Страница 62: ...loose or oil or fuel is found to be leaking from the mount stop operations and tighten to the specified torque If any damaged or deformed hoses or piping are found consult your Komatsu distributor Rep...

Страница 63: ...a powerful spring that acts to reduce the impact on the idler If it is disassembled by mistake the spring may shoot out and cause serious personal injury or death If it is necessary to disassemble it...

Страница 64: ...SPOSING OF WASTE MATERIALS 2 40 and MAINTENANCE OF AIR CONDITIONER 2 40 PRECAUTIONS FOR DISPOSING OF WASTE MATERIALS To prevent pollution pay full attention to the way to dispose of waste materials Al...

Страница 65: ...l and cause serious personal injury or death It is difficult to judge the remaining life of these components from external inspection or the feeling when operating so always replace them at the specif...

Страница 66: ......

Страница 67: ...OPERATION Please read and make sure that you understand the SAFETY section before reading this section 3 1...

Страница 68: ...MACHINE EQUIPMENT NAME 1 Bucket 2 Bucket link 3 Bucket cylinder 4 Arm 5 Arm cylinder 6 Boom 7 Boom cylinder 8 Sprocket 9 Track frame 10 Track shoe 11 Idler 12 Protective guard 13 Toolbox GENERAL VIEW...

Страница 69: ...14 Komatsu Closed Crankcase Ventilation hereafter KCCV ventilator 15 KDPF 16 Battery 17 Battery disconnect switch 18 System operating lamp 19 Circuit breaker 20 Grease pump 21 KomVision camera OPERATI...

Страница 70: ...2 Ceiling window 3 Door lock release lever 4 Drink box 5 Fuse 6 Auxiliary electric power if equipped 7 Fire extinguisher if equipped 8 Emergency escape hammer 9 Magazine box 10 Cup holder 11 AUX 12 A...

Страница 71: ...g lock switch 14 Machine push up switch 15 Boom shock absorbing control switch 16 Lower wiper switch machines equipped with fixed front window cab 17 Revolving lamp switch if equipped 18 Seat heater s...

Страница 72: ...elector switch 18 Window washer switch 19 Working mode selector switch 20 Air conditioner control switch 21 Radiator coolant level caution lamp 22 Seat belt caution lamp 23 Engine stop pilot lamp 24 L...

Страница 73: ...REMARK The above figure does not show all of the caution lamp symbols OPERATION GENERAL VIEW 3 7...

Страница 74: ...OR EQUIPMENT AA Standard screen EE Warning or Error screen DD Guidance screen 1 Warning display 2 Pilot display 3 Meter display 4 Monitor switch part 5 Guidance icon display 6 Camera image display REM...

Страница 75: ...r the check before starting screen BB is displayed for 2 seconds the screen switches to the working mode travel mode display screen HH After the working mode travel mode display screen HH is displayed...

Страница 76: ...layed and engine does not start If engine shutdown secondary switch 1 is turned off normal the machine monitor switches to the standard screen and you can start the engine with usual starting switch k...

Страница 77: ...the starting screen GG switches to ID number input screen LL with SKIP when the starting switch is turned to ON position If inputting ID number for operator identification function without SKIP is se...

Страница 78: ...ed to ON position If the incorrect ID number is inputted for 3 times in a row you cannot input the ID number in the next 5 minutes Wait for more than 5 minutes and try inputting the ID number again As...

Страница 79: ...ing screen BB for 2 seconds the screen changes to the maintenance time warning screen CC After displaying the maintenance time warning screen CC for 30 seconds the screen returns to the stand ard scre...

Страница 80: ...ayed above the switch F5 Press the switch F5 to check the detail of the error Current Ab normality screen is displayed BASIC OPERATION OF MACHINE MONITOR WHEN TROUBLE OCCURS WHILE OPERATING MACHINE EX...

Страница 81: ...en EE After displaying the warning screen FF 1 for 2 seconds the screen automatically changes to the warning screen FF 2 If there is any error existing is displayed above the switch F5 Press the switc...

Страница 82: ...played when operating work equipment swing and travel The screen automatically changes to the standard screen AA while the no camera image screen DD is dis played when operating work equipment swing...

Страница 83: ...location of caution lamp 2 If there are two activated warnings they are displayed in the location of caution lamps 2 and 3 If there are three or more activated warnings they are displayed in the locat...

Страница 84: ...spection and maintenance L02 Sounds inter mittently Lights up in red Stop the operation and run the engine at medium speed with no load or stop it Or stop the operation and move the ma chine to a safe...

Страница 85: ...caution lamp Abnormal L04 L03 Abnormal L01 Hydraulic system caution lamp Abnormal L04 L03 Abnormal L01 KDPF system caution lamp Abnormal L04 L03 Abnormal L01 KDPF soot accumulation caution lamp Abnor...

Страница 86: ...ce time caution lamp Due time is over Notice Seat belt caution lamp Seat belt is not fastened Engine overrun caution lamp Abnormal L02 Auto idle stop sudden stop caution lamp Excessive fre quency L03...

Страница 87: ...ons according to the message displayed on the monitor Operation on the Current Abnormality screen On the Current Abnormality screen you can perform the follow ing operations with the switches F1 F2 an...

Страница 88: ...rmal display colour blue at an proper temperature When temperature is correct The caution lamp lights up in blue HYDRAULIC OIL TEMPERATURE CAUTION LAMP The hydraulic oil temperature caution lamp warns...

Страница 89: ...yellow Some functions may be restricted for use but the machine can operate When you finish the operation always perform the inspection and maintenance Ask your Komatsu distributor for inspection and...

Страница 90: ...the filtering function of KDPF has low ered abnormally To cancel the alarm perform the manual stationary regenera tion of KDPF When abnormal The caution lamp lights up in red and indicates action leve...

Страница 91: ...udden stop caution lamp warns about the abnormality when the engine is stopped abruptly by the auto idle stop function for more than the specific times When action level L03 is displayed The caution l...

Страница 92: ...o nents stop the work immediately and operate the machine at low travel speed until the engine overrun caution lamp goes out RADIATOR COOLANT LEVEL CAUTION LAMP Radiator coolant level caution lamp war...

Страница 93: ...TIONER SYSTEM CAUTION LAMP Air conditioner system caution lamp warns about abnormality in air conditioner system When abnormal The caution lamp lights up in yellow and indicates action level L01 The a...

Страница 94: ...NFASTENING SEAT BELT CAMERA SYSTEM CAUTION LAMP Camera system caution lamp warns about the signal trouble caused by such as breakage in cables loose and disconnected connectors When the action level L...

Страница 95: ...ion level L01 is displayed If the caution lamp is lit the camera image is not displayed on the machine monitor Visually check the safety around the machine always when op erating the machine Ask your...

Страница 96: ...tic preheating is for a maximum of approximately 40 seconds SWING LOCK PILOT LAMP Swing lock pilot lamp informs that the swing lock is being actu ated Lights up The swing lock is being actuated When t...

Страница 97: ...ng mode display shows the setting of the working mode The working mode which is set with the working mode selector switch is shown as follows P P mode for operations with emphasis on production P P mo...

Страница 98: ...amp is displayed while the engine is stopped It goes out when the engine is started AFTERTREATMENT DEVICES REGENERATION PILOT LAMP k k CAUTION Exhaust gas temperature may increase higher than the prev...

Страница 99: ...n is disabled when the manual stationary regeneration is necessary KDPF soot accumulation caution lamp lights up If KDPF soot accu mulation caution lamp lights up cancel the regeneration disa ble sett...

Страница 100: ...d E mode recommendation guidance If light load work is continued for more than 10 minutes in P mode E mode recommendation message is displayed When working on light load set the working mode to E mode...

Страница 101: ...ion goes out after more than 10 seconds or if the switch F5 is pressed METER DISPLAY ENGINE COOLANT TEMPERATURE GAUGE Engine coolant temperature gauge shows the engine coolant temperature If the indic...

Страница 102: ...ows Red range A position 102 C or higher Red range B position 105 C or higher When the indicator is in red range A to B hydraulic oil temperature caution lamp E indicates abnormality When the engine i...

Страница 103: ...minutes regardless of the engine speed Service meter display Clock display 12 hour display Clock display 24 hour display REMARK If the battery is disconnected for a long period for storage etc the tim...

Страница 104: ...on of the machine A Shows the average fuel consumption of a day from 0 00 a m of the day to 0 00 a m of the next day B Shows the split fuel consumption under measurement C Shows the split fuel consump...

Страница 105: ...icon 2 to operate the function When the machine monitor display shows the standard screen the types of guidance icons and functions of function switches are as follows For the details of each function...

Страница 106: ...nd their functions not explained above see the pages where the control methods of re spective screens are explained WORKING MODE SELECTOR SWITCH Use the working mode selector switch 1 to set the movem...

Страница 107: ...y one If no switch is touched for more than 5 seconds the selected working mode is automatically set as the working mode The screen changes to the one for the steps 3 and 4 REMARK To return to the sta...

Страница 108: ...rd screen without changing the heavy lift mode press the switch F5 3 After selecting the heavy lift mode press the switch F6 and the mode is displayed in the center of the monitor dis play Example Whe...

Страница 109: ...n changes to the one for the steps 3 and 4 REMARK To return to the standard screen without changing the swing priority mode press the switch F5 3 After selecting the swing priority mode press the swit...

Страница 110: ...nabled if the work equipment lever and travel lever are returned to NEUTRAL position the engine speed will drop after approximately 4 seconds from the operating speed to the idle speed As a result fue...

Страница 111: ...to deceleration function TRAVEL SPEED SELECTOR SWITCH k k WARNING When loading to or unloading from a trailer always drive the machine at low speed set the travel speed selector switch to Lo and never...

Страница 112: ...y shifts down to low speed travel Lo and you do not need to operate the switch if the machine trav els on soft ground or uphill and travel power is needed even when the travel speed is set to high spe...

Страница 113: ...perates con tinuously Wiper pilot lamp off Windshield wiper stops REMARK Each time wiper switch is pressed the mode is displayed in the center of the monitor display and after 2 seconds the screen ret...

Страница 114: ...ntinues to operate for 2 cycles then stops If you keep pressing the switch when the wiper is moving intermittently the window washer fluid is sprayed out At the same time the windshield wiper is actua...

Страница 115: ...e HANDLE AIR CONDI TIONER FUNCTION SWITCHES The operation of the function switches in the standard screen MONITOR DISPLAY SELECTOR SWITCH By pressing the switch F3 on the standard screen you can en la...

Страница 116: ...rged bird s eye view display BB the camera image screen CC is dis played On the camera image screen CC the camera image is displayed in the entire monitor If the switch F3 is pressed on the camera ima...

Страница 117: ...ch camera the image is displayed Camera switch display Displayed camera position Rear camera Left rear camera Right front camera Right rear camera The shooting direction of the camera loaded into the...

Страница 118: ...n In addition if no operation is performed for 5 seconds after the screen switches to the air conditioner operation screen the screen automatically returns to the camera im age screen It is possible t...

Страница 119: ...neither switches to another screen nor returns to the standard screen Depending on the warning alarm buzzer does not stop sounding by pressing the buzzer cancel switch Press the wiper switch and washe...

Страница 120: ...art of the screen If a caution lamp is displayed move the machine to set it in a safe posture then have inspection performed immedi ately USER MENU DISPLAY SWITCH On the standard screen press the swit...

Страница 121: ...operations in each menu see the detailed explanation pa ges of respective items a Energy Saving Guidance Check of Operation Records Check of ECO Guidance Records Check and resetting of Average Fuel Co...

Страница 122: ...check Check of mail contents and reply to mail On the user menu screen you can perform the following opera tions with switches F1 to F6 F1 Moves the selection to the left menu When it is on the left...

Страница 123: ...ING GUIDANCE Each item of Energy Saving Guidance menu a is used for displaying and setting the notification relevant to energy saving Operation Records ECO Guidance Records Average Fuel Consumption Re...

Страница 124: ...on Energy Saving Guid ance menu screen then press the switch F6 On ECO Guidance Records menu the frequency of display of the ECO guidance on a daily basis or during the split measure ment period is d...

Страница 125: ...Consumption Record screen On Average Fuel Consumption Record screen you can per form the following operations with the switches F1 F2 and F5 F1 Clears the graph data F2 Switches graphical displays of...

Страница 126: ...sumption during last 7 days Switching among them is available Deleting the Average Fuel Consumption Record 1 When the switch F1 CLEAR is pressed the reconfirma tion screen shown in the figure is displ...

Страница 127: ...Key OFF Operations on Configurations screen On Configurations screen you can perform the following op erations by pressing the switch F3 to F6 F3 Moves to the next item 1 line below When it is on the...

Страница 128: ...Consumption Display screen is displayed 1 Day Displays the average fuel consumption from 0 00 a m of the day to 0 00 a m of the next day Split Time Displays the average fuel consumption during the Spl...

Страница 129: ...below When it is on the last line it moves to the first line F4 Moves to the previous item 1 line above When it is on the first line it moves to the last line F5 Cancels the setting change and return...

Страница 130: ...ons screen then press the switch F6 2 ECO Guidance Display setting screen is displayed ON Displays the ECO Guidance 10 on the standard screen OFF Does not display the ECO Guidance 10 on the standard s...

Страница 131: ...o perform the following operations with switches F3 to F6 F3 Moves to the next item 1 line below When on the last line it moves to the first line on the next page F4 Moves to the previous item 1 line...

Страница 132: ...the selected adjustment mode and returns the screen to Machine Setting menu screen AUTOMATIC LOW IDLE SETTING Function of the automatic low idle The auto deceleration function decreases the engine spe...

Страница 133: ...tandard screen 4 The automatic low idle function is enabled The mode is displayed in the center of the monitor display and the screen returns to the standard screen after 2 sec onds 5 On the standard...

Страница 134: ...n 1 Select Automatic Low Idle Setting 3 on Machine Set ting menu screen b then press the switch F6 2 Select OFF of Automatic Low Idle Setting then press the switch F6 The screen returns to the user me...

Страница 135: ...monitor lights up on the standard screen It goes out when the auto deceleration function is disabled REVERSE HYDRAULIC FAN The hydraulic fan reverse mode fan reverse rotation can be used to remove the...

Страница 136: ...sed in the screen shown in the fig ure the fan rotation direction is reversed If switch F5 is pressed the screen returns to the previous screen 5 When the screen shown in the figure is displayed the e...

Страница 137: ...on lamp lights up while the fan is rotating in reverse return the fan to the normal rotation immediately and take necessary actions until the aftertreatment devices regeneration pilot lamp or the KDPF...

Страница 138: ...the figure is displayed the engine speed is set to low idle automatically and the fan rotation direction is returned to normal in approximately 15 sec onds Approximately 4 seconds after the engine spe...

Страница 139: ...k including the work equipment operation set the fan rotation to the nor mal direction If the fan rotation is reversed while KDPF system caution lamp or KDPF soot accumulation caution lamp is lit the...

Страница 140: ...hen the idling time reaches 30 seconds before the set time the monitor returns to the standard screen and it changes to the countdown screen When you set the lock lever to FREE position countdown stop...

Страница 141: ...tional is equipped to the ma chine 1 On Machine Setting b press the switches F3 and F4 select Auto Grease Interval Setting and press the switch F6 To return to the standard screen without changing the...

Страница 142: ...Change 1 500 Engine Oil Filter Change 1 500 Hyd Oil Drain Filter Change 500 Hyd Oil Tank Breather Change 1000 Fuel Main Filter Change 1000 Hydraulic Oil Filter Change 1000 PTO Case Oil Change 1000 Swi...

Страница 143: ...m is less than 30 hours initial setting value the remaining time display c is highlighted in yellow If the time remaining to the maintenance is 0 hours or less the display c is highlighted in red If y...

Страница 144: ...ng menu screen REMARK If the light switch is at night mode ON and the screen is adjusted it is possible to adjust the brightness of the monitor screen night mode If the light switch is at day mode ON...

Страница 145: ...change the screen brightness as long as mark is displayed However it is not an error CLOCK ADJUSTMENT With Clock Adjustment menu you can change the setting of the clock displayed on the standard scre...

Страница 146: ...selected CALENDAR SETTING Adjust the date of the monitor REMARK As long as GPS Synchronization menu is turned on Calendar menu is not selectable 1 Select Calendar b on Clock Adjustment screen then pr...

Страница 147: ...rate the switches as follows to change hour display D If it is not necessary to change the hour setting press switch F6 F3 The time goes back 1 hour F4 The time advances 1 hour F5 Cancels change and r...

Страница 148: ...urns to the set time 1 Select Daylight Saving Time e on Clock Adjustment screen then press switch F6 2 The Daylight Saving Time screen is displayed F3 Moves to the next item 1 line below Moves to the...

Страница 149: ...Moves to the item above F5 Cancels the change and returns to Monitor Setting screen F6 Validates the change and returns to Monitor Setting screen OPERATOR ID You can check and change the Operator ID w...

Страница 150: ...e changed A message is displayed below and the screen returns to Monitor Setting menu screen The inputted ID is displayed at Operator ID column on Monitor Setting menu screen When you press the switch...

Страница 151: ...is not changed WHEN OPERATOR IDENTIFICATION FUNCTION IS AVAILABLE WITHOUT SKIP When the operator identification function is available without skip the identified ID number is not displayed in Operator...

Страница 152: ...ne of three camera images from rear cam era rear right camera front right camera and rear left camera Previous camera image which was displayed at the last key off is displayed when Camera at Previous...

Страница 153: ...message to your Komatsu distributor Reply to the message in accord ance with the replying method mentioned below If the starting switch is turned to OFF position when there is an unread message the me...

Страница 154: ...ing the monitor switch Each switch corresponds to the numerical value shown on the lower right of the switch If you input an incorrect number press the switch F5 and you can clear an input character a...

Страница 155: ...achines equipped with fixed front window cab 9 Revolving lamp switch if equipped 10 Seat heater switch 11 Horn switch 12 Room lamp switch 13 Pump secondary drive switch 14 Swing parking brake cancel s...

Страница 156: ...tion where the dial is turned fully to the left b High idle MAX The position where the dial is turned fully to the right CIGARETTE LIGHTER The cigarette lighter is used to light cigarettes When the ci...

Страница 157: ...ght up and monitor illumination is set to night mode b Day position Lamps light up and monitor illumination is set to day mode c OFF position Lamps go out The monitor illumination is set to day mode H...

Страница 158: ...er the current failure code includes any of the hydraulic system errors DXA0KA or DXA0KB Then make sure this switch is set to Nor mal position The pump secondary drive switch enables you to perform op...

Страница 159: ...al and emergency condition Repair the problem as soon as possi ble If the lock lever automatic lock function is abnormal when the lock lever is canceled normally under the condition that the work equi...

Страница 160: ...engine position by mistake while the machine is operating normally Engine Shutdown Secondary SW In Operation is displayed on the machine monitor If Engine Shutdown Secondary SW In Operation is display...

Страница 161: ...are operated alternately REMARK When the lower wiper switch and the wiper switch are in ON position at the same time turning off the wiper switch monitor does not stop the lower wiper Turn off this lo...

Страница 162: ...the night Turn the staircase lighting switch to ON position a and the staircase lighting lights up for approximately 60 sec onds The staircase lighting lights up for approximately 60 sec onds by pres...

Страница 163: ...e lock lever is not at LOCK position and the control levers or control pedals are touched by mistake it may lead to serious personal injury or death Check that the lock lever is securely in LOCK posit...

Страница 164: ...es Do not rely on it too much When the hydraulic oil temperature is low When the hydraulic oil temperature caution lamp in dicates low temperature When the viscosity of the hydraulic oil used is highe...

Страница 165: ...t or the rear If the sprocket is at the rear the track frame is facing the front The travel lever is used to change the direction of travel be tween forward and reverse shows the pedal operation a FOR...

Страница 166: ...to the ground stop the engine and then perform the work When opening the front window hold the handle securely with both hands to pull up and do not release your hands until the front window is locke...

Страница 167: ...The wiper blade is on the glass 3 Hold the handles A 2 places on the right and left top sides of the front window and pull the levers B 2 places to release the locks at the top of the front window Th...

Страница 168: ...e front win dow are not for pulling up the front window Do not pull up the front window with the handles A 5 Check that the lever B is securely at LOCK position The lock is engaged if the arrow on loc...

Страница 169: ...op the machine on a level ground lower the work equip ment to the ground then stop the engine Operate the operating portion g of the lock lever 1 to set it securely to LOCK position L 2 Check that the...

Страница 170: ...own the front window with the handles A 5 When the bottom of the window reaches the top of lower side window push the top of the window to the front to push it against right and left lock catches G an...

Страница 171: ...ver 2 to LOCK position B to hold it securely in position 3 When removing it set the lever 2 to RELEASE position C hold the glass with both hands and pull it up EMERGENCY ESCAPE HAMMER k k CAUTION If i...

Страница 172: ...e or do not put your hands on the door frame The door may suddenly close and cause injury 1 Use the door lock to keep and fix the door opened 2 Push the door against catch 1 to lock it in position Whe...

Страница 173: ...DRINK BOX It is provided on the rear right side of the operator s seat to store drinks Air according to the setting of the air conditioner blows into the drink box MAGAZINE BOX Located on the left sid...

Страница 174: ...er supply for 12 V equipment This will cause failure of the equipment When cigarette lighter is removed the lighter socket can be used as a power source The capacity of the cigarette lighter is 85 W 2...

Страница 175: ...garette lighter 5 10 A Horn flash light 6 10 A Ribbon heater relay 7 10 A Revolving lamp if equipped 8 10 A Radio 9 10 A Hydraulically operated stairway if equipped 10 20 A Air conditioner unit air co...

Страница 176: ...reset button remains pushed in if the electrical circuit is operating normally If the button being pushed in returns soon check the electrical circuit REMARK A circuit breaker is a circuit protection...

Страница 177: ...X controller KOMTRAX Plus con troller 9 20 A Fuse F01 16 to 20 TOOL BOX Store the tools in it This is located rearward of the cab on the left side of the ma chine FIRE EXTINGUISHER if equipped A fire...

Страница 178: ...ctric welding When handling the battery When replacing the fuse etc Do not turn the battery disconnect switch to OFF position while the system operating lamp is lit If the battery disconnect switch is...

Страница 179: ...tch 1 check that system operating lamp 2 is not lit NOTICE If the battery disconnect switch is turned to OFF position while this lamp is lit the data in the controller may be lost REMARK Even if the s...

Страница 180: ...after it is used PRECAUTIONS WHEN USING GREASE PUMP NOTICE When the grease pump is not used always turn the lever of the valve 2 clockwise 90 in B position so that the internal pressure does not appl...

Страница 181: ...olts 2 3 places evenly to fix it The pump operates for a while and stops The air inside the pump is mixed in the grease and it makes the grease cloudy Grease is not in good condition 5 Loosen the chec...

Страница 182: ...stays lit on the machine monitor REMARK Even if the aftertreatment devices regeneration pilot lamp 1 lights up the machine does not need to be stopped and the work can be continued unless the caution...

Страница 183: ...uency may increase but this is not a fail ure Even just after the regeneration is completed the soot ac cumulation level may not be 0 This is caused by the ac cumulated noncombustible material in the...

Страница 184: ...A is displayed first The action level goes out 2 seconds later and the screen changes back to standard screen B If the lock lever is set to LOCK position or all the work equipment control levers are s...

Страница 185: ...tationary regeneration PROCEDURE FOR MANUAL STATIONARY REGENERATION k k CAUTION Exhaust gas temperature may become higher than the pre vious models during the aftertreatment devices regenera tion Avoi...

Страница 186: ...ch F6 is pressed in step 6 the screen shown in the figure may be displayed This indicates that the opera tions in steps 1 to 4 were not performed correctly or there is trouble other than the KDPF soot...

Страница 187: ...splayed for 30 seconds and then the screen re turns to the standard screen At this time to display the explanation of the manual stationary regeneration again press the switch F6 on the standard scree...

Страница 188: ...repeat the procedure from step 6 If the machine needs to be moved during the manual stationary regeneration stop the regeneration tempo rarily and move the machine by referring to the after treatment...

Страница 189: ...reen Press the switch F6 on the standard screen 2 Operate the switches F1 and F2 to select Aftertreatment Devices Regeneration menu C to display the Aftertreat ment Devices Regeneration screen 3 Selec...

Страница 190: ...lamp 3 may light up but this does not indicate abnormality Also during the regeneration to protect the system the regener ation disable cannot be operated When the regeneration is performed to protect...

Страница 191: ...After treatment Devices Regeneration screen is displayed If the screen is not displayed operate the switches F1 and F2 to display Aftertreatment Devices Regeneration screen 2 Select the Cancel of Rege...

Страница 192: ...X consult your Komatsu distributor If the machine has been lent out by the customer the borrower or another third party may have been using the KOMTRAX Confirm with the lessor about using condition of...

Страница 193: ...e machine For the radio sta tion establishment of KOMTRAX Plus consult your Komatsu distributor POWER SUPPLY FOR KOMTRAX Plus When a wireless communication terminal is installed to the machine even if...

Страница 194: ...rature engine parts If any dirt or combustible materials are found remove them 3 Check around the engine for coolant and oil leakage Check for oil leakage from the engine and coolant leakage from the...

Страница 195: ...rtreatment de vices If any dirt or combustible materials are found remove them 13 Check around the aftertreatment devices for exhaust gas leakage Check the pipe connecting the turbocharger to the afte...

Страница 196: ...It is possible to judge the water level and amount of sedi ment by looking through the transparent cup 2 NOTICE If the water in transparent cup 2 freezes wait until the frozen water has melted complet...

Страница 197: ...rain hose 3 then remove the drain valve 4 5 Apply a suitable amount of grease to the O ring 7 REMARK When applying the grease be careful not to allow the grease to adhere to the water drain port 8 and...

Страница 198: ...N position within 15 seconds after stopping the engine and move each control lever for work equipment and travel to the full stroke in all directions The internal pressure is released by this operatio...

Страница 199: ...and loosen the drain valve P to drain the ex cessive oil METHOD FOR INSTALLING HYDRAULIC TANK OIL FILLER CAP k k CAUTION If the oil filler cap is inserted in reverse it only rotates by approximately...

Страница 200: ...e machine Swing machinery on rear side of the machine 1 Remove the dipstick G and wipe off oil on it with a cloth 2 Insert the dipstick G fully into guide F 3 Pull out the dipstick 6 The oil level sho...

Страница 201: ...EVEL IN PTO CASE AND ADDING OIL k k WARNING Immediately after the engine is stopped its parts and oil are still very hot and may cause burn injury Wait for the temperature to go down and then start th...

Страница 202: ...nt is still hot and the pressure is accumulated in the radiator You may get burn injury if you remove the cap in this state Always wait for the temper ature to go down turn the cap slowly to release t...

Страница 203: ...is insufficient After adding the coolant install the radiator cap 4 In cold weather see COLD WEATHER OPERA TION NOTICE Refilling and draining function of the radiator cap 4 may be faulty if coolant le...

Страница 204: ...least 15 minutes after stopping the engine If the machine is inclining make it level before check ing When the ambient temperature is low water or emul sified matter may stick to the dipstick fuel fil...

Страница 205: ...g motor and alternator with care Perform the following inspection Perform inspection to confirm that the fuses have no defect and their capacity is proper Perform inspection to confirm that there is n...

Страница 206: ...e sent To prevent this clean the breather from time to time Replace the breather element of the fuel tank if the pressure in the tank is still low and the fuel is not sent even after the breather is c...

Страница 207: ...is no parts etc around the operator s seat and adjust the seat position Always adjust the operator s seat before starting each operation or when the operators change shift Adjust the operator s seat s...

Страница 208: ...o adjust the height Height adjustment 75 mm METHOD FOR ADJUSTING HEADREST IN VERTICAL DIRECTION Move the headrest up or down to the desired height Amount of adjustment 60 mm 2 stages NOTICE When adjus...

Страница 209: ...armrest can be adjusted vertically by turning ad justment dial 7 at the bottom of the armrest 5 Angle adjustment 9 in lower direction 4 in upper direction METHOD FOR ADJUSTING SEAT UNIT IN FORE AND AF...

Страница 210: ...ition b ON position The seat cushion and backrest become warm METHOD FOR REMOVING AND INSTALLING HEADREST METHOD FOR REMOVING HEADREST When the headrest is not necessary remove it according to the fol...

Страница 211: ...t be met before starting the work to prevent the machine from moving dur ing the work The machine is placed on a level ground The work equipment is lowered to the ground in secure posture The lock lev...

Страница 212: ...r the adjustment method see PROCEDURE FOR ADJUSTING REGULAR POSITION OF MACHINE LEFT FRONT MIRROR A PROCEDURE FOR ADJUSTING REGULAR POSITION OF MACHINE LEFT FRONT MIRROR A k k CAUTION The following co...

Страница 213: ...right and left bolts of each bracket alter nately so that their right and left clearances R and L become equal If the mirror and stay mounting bolts are tightened ex cessively the bracket will be dam...

Страница 214: ...ear right end of the machine 1 Adjust the mirror with your hand so that the side of the ma chine is reflected in the mirror as shown in the figure 2 Check that you can see a person at the rear right e...

Страница 215: ...perform the following adjustment 1 Adjust the stay 1 Mounting position 2 30 mm Mounting angle 3 55 Tightening torque of mounting bolt 4 15 Nm 1 5 kgm 2 Adjust the mirror 5 Mounting position 6 70 mm Mo...

Страница 216: ...lowered to the ground in secure posture The lock lever is in LOCK position The engine is stopped Adjust the mirror so that you can see a person at the rear right end of the machine 1 Adjust the mirro...

Страница 217: ...he lock lever is in LOCK position The engine is stopped When returning the mirror to its regular position perform the following adjustment 1 Adjust the stay 1 Mounting position 2 345 mm Mounting angle...

Страница 218: ...elt is the manufactured date It is the start of the 5 year period It is not the start of the 3 year period of actual usage This seat belt has a retractable device so it is not necessary to adjust the...

Страница 219: ...all the control levers and control pedals are at NEUTRAL position If all the control levers and control pedals are released they return to NEUTRAL position 4 Insert the key into starting switch 2 and...

Страница 220: ...here is probably a failure in the caution lamp so ask your Komatsu distributor for repair 2 After approximately 2 seconds the screen changes to the working mode travel speed display Then it will switc...

Страница 221: ...on before starting the engine The engine will ac celerate suddenly and cause damage to the engine parts if the fuel control dial is at High idle MAX posi tion Do not keep the starting switch key 3 at...

Страница 222: ...light up or it lights up and then goes out to inform that the engine pre heating has been completed turn the starting switch key 3 to START position C The engine will start REMARK If the ambient tempe...

Страница 223: ...there The preheating pilot lamp starts flashing approximately 30 seconds after preheating starts and then goes out in ap proximately 10 seconds 2 After the preheating pilot lamp goes out turn the key...

Страница 224: ...ning and immediately after stopping the engine Do not bring any combustible material close to the outlet of the exhaust pipe There are 2 types of warm up operation warm up of the engine and warm up of...

Страница 225: ...lly understand the descriptions in this manual then run in the machine while paying atten tion to the following points Run the engine at idle for 15 seconds immediately after starting it up Do not ope...

Страница 226: ...l dial 2 to the middle between Low idle MIN and High idle MAX to run the engine at a medi um speed Run the engine with no load until the engine coolant tempera ture caution lamp 1 displays the correct...

Страница 227: ...ore 2 Turn fuel control dial 2 to Low idle MIN position The engine automatic warm up is cancelled and the en gine speed is lowered REMARK Turbo protect function takes priority over the engine automati...

Страница 228: ...on for the hydraulic component is necessary not only for the circuit between the pump and cylinders and between the pump and motor but also for the control circuits It is insufficient if the op eratio...

Страница 229: ...e the R H work equipment control lever 5 slowly in the direction of bucket DUMP position C Operate the lever to the end of its stroke and hold it in the position for 30 seconds 3 Next move the L H wor...

Страница 230: ...l caution lamp 8 OFF Engine oil level caution lamp 9 OFF Air cleaner clogging caution lamp 10 OFF Charge level caution lamp 11 OFF Engine oil pressure caution lamp 12 OFF Engine preheating pilot lamp...

Страница 231: ...draulic oil temperature caution lamp 7 displays the correct temperature 13 Before starting the work check that the fuel control dial 4 is at a position midway between Low idle MIN and High idle MAX If...

Страница 232: ...p background C is blue Display B when temperature is low Caution lamp background C is white If the hydraulic oil temperature caution lamp displays the correct temperature the hydraulic component warm...

Страница 233: ...ODE SELECTOR SWITCH Display of working mode P mode For operations with emphasis on production P mode For heavy duty operations E mode For operations with emphasis on fuel consumption Heavy lift mode F...

Страница 234: ...ol down gradu ally and then stop it If the engine is stopped during the aftertreatment devices regeneration the components may be damaged Stop the aftertreatment devices regeneration and run the engin...

Страница 235: ...ERGENCY METHOD FOR STOPPING ENGINE IN CAB IN EMERGENCY if equipped NOTICE This engine emergency shut down switch is used to stop the engine in emergency In normal cases keep the engine emergency shut...

Страница 236: ...stopped by the operation of engine emergency shut down switch air bleeding from fuel circuit is not necessary METHOD FOR STOPPING ENGINE FROM GROUND IN EMERGENCY if equipped NOTICE This engine emerge...

Страница 237: ...to ON emergency stop position a while the engine is running the engine stops and the machine monitor goes out Even if the starting switch key is turned to START position the engine does not start Eve...

Страница 238: ...tle and it returns to OFF normal operation position b At this time check that the indicator lamp L in cab is not lit 2 Turn the starting switch key to ON position B 3 Start the engine REMARK If the en...

Страница 239: ...the travel path There is a blind spot at the rear of the machine so be particularly careful when traveling in reverse If the travel levers or travel pedals are operated when the engine speed is decre...

Страница 240: ...epressing the rear parts of pedals 6 slowly 4 When traveling check that the alarm sounds normally If the travel alarm does not sound ask your Komatsu distributor for repair REMARK In low temperatures...

Страница 241: ...e alarm sounds normally If the travel alarm does not sound contact your Komatsu distributor for repair REMARK In low temperatures if the machine travel speed is not normal thoroughly perform the warm...

Страница 242: ...anges of direction to travel as much as possible Especially when performing counter rotation turn spin turn stop the machine before turning Operate 2 travel levers 1 as follows PIVOT TURN When turning...

Страница 243: ...ft 1 Pull the left travel lever toward you 2 Push the right travel lever forward The machine make a counter rotation turn to the left Counter rotation turn to right 1 Pull the right travel lever towar...

Страница 244: ...a ON position b OFF position 5 Check that swing lock pilot lamp 2 is lit METHOD FOR OPERATING WORK EQUIPMENT k k WARNING If the levers are operated when the engine speed is decreased by the auto decel...

Страница 245: ...ed even if the fuel control dial is set to High idle MAX position the auto deceleration mechanism works to reduce the en gine speed to the low speed REMARK This machine is equipped with an accumulator...

Страница 246: ...r loading operations production conscious operation E mode Normal digging or loading operations fuel consumption conscious operation Assisting working mode Applicable operations Heavy lift mode To inc...

Страница 247: ...ORCE Do not use the swing force to compact soil or break objects This is not only dangerous but also drastically reduces the life of the machine PROHIBITION OF OPERATIONS USING TRAVEL FORCE Do not use...

Страница 248: ...he machine for digging nor use the dropping force of the bucket as a mattock breaker or pile driver This will drastically reduce the life of the machine PROHIBITION OF OPERATIONS USING BUCKET AS LEVER...

Страница 249: ...large vibration occurs in the machine and can crack the work equipment or frame If the bucket blade slides and collides with a rock an excessive impact load occurs in the work equipment and frame and...

Страница 250: ...damage the undercover and frame In the worst case the hydraulic components are dam aged and a serious accident can result During operation keep checking the track top for crushed stones soil and sand...

Страница 251: ...e to cool down If the machine travels continuously for a long time with the tracks loosened it may break the undercarriage parts When driving the machine for a long time check the track ten sion every...

Страница 252: ...gely once in a while for greasing the work equipment pin portion in order to prevent running out of grease at that portion PERMISSIBLE DEPTH OF WATER SOIL AND DIRT NOTICE When driving the machine out...

Страница 253: ...t while driving and operating the machine in order to stop it safely when the machine slips or be comes unstable When the machine is traveling uphill if the shoes slip or it is impossible to travel up...

Страница 254: ...FROM MUD Always operate carefully to avoid getting stuck in mud If the machine does get stuck in mud do as follows to get the machine out Set the machine push up switch to the high pressure setting p...

Страница 255: ...angle between bucket cylinder and link and between arm cyl inder and arm is 90 the maximum excavation force is ob tained from the pushing force of each cylinder When excavating you can optimize your...

Страница 256: ...ils METHOD FOR CHANGING BUCKET k k WARNING When pins are knocked in with a hammer pieces of metal may fly and cause serious injury When performing this operation always wear protective eyeglasses hard...

Страница 257: ...will be increased and it will be difficult to remove the pins 2 Remove the stopper at the pin end and remove the pins A and B to remove the bucket NOTICE After removing the pins make sure that mud or...

Страница 258: ...g re placed sand and dirt may enter the part of pin and cause abnormal wear of the pin METHOD FOR PARKING MACHINE k k WARNING Stop the machine gradually Avoid a sudden stop Place the machine on a firm...

Страница 259: ...position in or der to lower the engine speed 3 Make the undercarriage and upper structure point to the same direction and lower the bucket to the ground with its bottom face horizontal 4 Operate the...

Страница 260: ...Stop the engine To secure a sufficient space to get off the machine move the operator s seat and console backward if they are positioned forward METHOD FOR CHECKING AFTER FINISHING WORK After finishi...

Страница 261: ...ces 6 Left side door of the machine 7 Tool storage door 8 Reservoir tank inspection cover 9 Maintenance floor entrance door REMARK The starting switch key can be used for above positions except for 2...

Страница 262: ...FOR OPENING COVER WITH LOCK 1 Insert the key into the key slot 2 Turn the key counterclockwise and open the cover by pulling the cover handle Position A OPEN Position B LOCK METHOD FOR LOCKING COVER...

Страница 263: ...B CLOSE LOCK When locking the door 1 Close the door and insert the key into the key slot 2 Turn the starting switch key to CLOSE position B then remove the key OPERATION MACHINE OPERATIONS AND CONTRO...

Страница 264: ...he air conditioner may not work In this case circulate the recircu lation air to warm the inside of the cab After that turn on the air conditioner switch and the air conditioner will work If any abnor...

Страница 265: ...used for stopping the fan and air conditioner REMARK Even if this OFF switch is pressed the monitor screen does not switch to the air conditioner adjustment screen FAN SWITCH You can adjust the air f...

Страница 266: ...e can be set in stages of 0 5 C Monitor display and function Monitor display C Set temperature 18 0 Max cooling 18 5 to 31 5 Adjusts temperature inside cab to set temperature 32 0 Max heating REMARK I...

Страница 267: ...mode AUTO SWITCH Use the auto switch for automatic selection of the air flow vents and air source FRESH RECIRC according to the set temperature Press this switch then use temperature control switch 1...

Страница 268: ...etting to take in fresh air or to demist the window glass DISPLAY MONITOR This monitor display indicates the status of temperature setting a air flow rate b and vents c When OFF switch 1 is pressed th...

Страница 269: ...the cab caused by changes in the strength of the sun s rays beforehand and automatically adjusts the temperature METHOD FOR OPERATING AIR CONDITIONER The air conditioner can be operated automatically...

Страница 270: ...the set temperature and the air conditioner is operated auto matically to provide the set temperature REMARK When vent monitor c displays d or e and engine coolant temperature is low the air flow is...

Страница 271: ...djust the air flow When doing this check that temperature setting a and air flow b are displayed on the monitor 2 Turn air conditioner switch 2 ON 3 Use temperature control switch 3 to set to the desi...

Страница 272: ...monitor changes according to the selection 5 Press FRESH RECIRC air selector switch 5 and select recirculation of the air inside the cab RECIRC or intake of fresh air from outside FRESH METHOD FOR ST...

Страница 273: ...r blow ing to the feet set as follows 1 Press fan switch 1 and adjust the air flow When doing this check that temperature setting a and air flow b are displayed on the monitor 2 Press vent selector sw...

Страница 274: ...3 Turn on the air conditioner switch 3 4 Adjust fan switch 1 temperature control switch 4 and FRESH RECIRC selector switch 5 to the desired posi tions HANDLE AIR CONDITIONER OPERATION 3 208...

Страница 275: ...and adjust the air flow When doing this check that temperature setting a and air flow b are displayed on the monitor 2 Press vent selector switch 2 and set vent display on the monitor to f or g as sho...

Страница 276: ...0 of maximum heating 5 Adjust vents A B1 and B2 so that the air blows onto the window glass Vents C and D are fixed and cannot be adjusted 6 When operating in the rainy season or when it is desired t...

Страница 277: ...er 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 the button again to turn the power off BAND AUX SELECTOR B...

Страница 278: ...are displayed B Frequencies are displayed at steps of 50 kHz in certain areas C Lights up when a stereo broadcasting is heard while a FM station is selected D Lights up at the time of balance adjustm...

Страница 279: ...ust the fre quency Press the button and the frequency increases press the button and the frequency decreases Hold down the button and the frequency increases continuously hold down the button and the...

Страница 280: ...ile a frequency is displayed press button 1 of preset button 2 and the preset number P 1 appears on the display The preset number is shown for 0 5 seconds and then the frequency is displayed METHOD FO...

Страница 281: ...REGISTER RANGE BASS 1 Press sound control button 1 to light up BAS on the dis play You can adjust the low register range bass of the sound 2 Press tuning time adjustment button 2 to adjust the low reg...

Страница 282: ...STOW ANTENNA Before transporting the machine or putting it inside a building stow the antenna 1 to prevent any interference 1 Loosen mounting bolt 2 of antenna 1 and stow the antenna 1 to the bottom...

Страница 283: ...monitor screen Ask your Komatsu distributor to perform this work The machine monitor image may not be displayed due to darkness at night or in a tunnel fog snow rain cloud of dust etc Obstacles above...

Страница 284: ...ayed double or distortions or misalignment may occur in the shaded areas of the back of the machine A and B and the right of the machine C For the camera image the image shot by each of the loaded cam...

Страница 285: ...lifting operation if any person is on the machine being lifted Always use a wire rope that has ample strength for the weight of the machine When lifting keep the machine horizontal When performing lif...

Страница 286: ...aulic oil level M in cluding the lifting bracket Boom foot pin 1 diameter 160 mm Lifting bracket 2 lifting position diameter 70 mm G Center of gravity L 3395 mm 2 The center of gravity mark attached t...

Страница 287: ...m B 8 m 4 After the machine comes off the ground check the hook condition and the lifting posture and then sling the machine slowly upward PRECAUTIONS FOR LOADING MACHINE k k WARNING Select a flat and...

Страница 288: ...ion by securing it with chains or wire ropes of suitable strength In particular fix it securely to prevent it from slipping side ways MACHINE CONFIGURATION FOR TRANSPORTATION The machine can be disass...

Страница 289: ...tructure to the truck by using chains and blocks Machine model PC1250 PC1250SP A Overall length mm 6520 B Overall height mm 3065 Overall width mm 3490 Weight kg 30000 Fuel empty hydraulic oil level M...

Страница 290: ...Undercarriage Machine model PC1250 PC1250SP Q ty 1 L H 1 R H A Overall length mm 6425 B Overall height mm 1585 C Overall width mm 1302 Weight kg 15750 TRANSPORTATION OPERATION 3 224...

Страница 291: ...Center frame Machine model PC1250 PC1250SP A Overall length mm 2850 B Overall height mm 1170 Weight kg 10350 OPERATION TRANSPORTATION 3 225...

Страница 292: ...length mm 3490 B Overall width mm 835 C Overall height mm 1830 Weight kg 16700 Boom Machine model PC1250 PC1250SP A Overall length mm 9475 8170 B Overall height mm 2894 3095 Overall width mm 1474 1474...

Страница 293: ...height mm 1626 1683 Overall width mm 890 890 Weight kg 6400 6600 Bucket Excluding side cutter and shroud Machine model PC1250 PC1250SP A Overall length mm 2580 2527 B Overall height mm 2276 2420 Over...

Страница 294: ...linder Machine model PC1250 PC1250SP A Overall length mm 3810 Weight kg 2300 1150 x 2 pieces Arm cylinder Machine model PC1250 PC1250SP A Overall length mm 3950 Weight kg 1500 TRANSPORTATION OPERATION...

Страница 295: ...Exterior part Radiator duct Machine model PC1250 PC1250SP A Overall length mm 2015 B Overall width mm 105 C Overall height mm 1960 Weight kg 130 OPERATION TRANSPORTATION 3 229...

Страница 296: ...Upper cover of radiator duct Machine model PC1250 PC1250SP A Overall length mm 2015 B Overall width mm 105 C Overall height mm 220 Weight kg 15 TRANSPORTATION OPERATION 3 230...

Страница 297: ...Cat walk R H Machine model PC1250 PC1250SP A Overall length mm 780 B Overall width mm 560 C Overall height mm 430 Weight kg 45 OPERATION TRANSPORTATION 3 231...

Страница 298: ...mm 2660 B Overall width mm 1160 C Overall height mm 362 Weight kg 266 Cat walk center L H When fixed ladder is equipped Machine model PC1250 PC1250SP A Overall length mm 700 B Overall width mm 500 C...

Страница 299: ...r L H When hydraulically operated stairway is equipped if equipped Machine model PC1250 PC1250SP A Overall length mm 915 B Overall width mm 1450 C Overall height mm 2750 Weight kg 500 OPERATION TRANSP...

Страница 300: ...Cat walk rear L H Machine model PC1250 PC1250SP A Overall length mm 2725 B Overall width mm 620 C Overall height mm 347 Weight kg 175 TRANSPORTATION OPERATION 3 234...

Страница 301: ...ble 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 BATTERY k k WARNING Battery generates flammable gas...

Страница 302: ...drops of water on the rod which en tered inside the seal Place the machine on a firm dry ground If this is impossible park the machine on boards The boards prevent the tracks from freezing to the grou...

Страница 303: ...operate and move the machine for a short distance once a month so that a new film of oil will coat moving parts At the same time charge the battery as well When operating the work equipment wipe off a...

Страница 304: ...When starting the engine perform the engine warm up operation thoroughly PRECAUTIONS FOR LONG TERM STORAGE OPERATION 3 238...

Страница 305: ...bleeding is completed REMARK If the engine stopped because of running out of fuel or if the supply pump is replaced after servicing of the fuel hoses and tubes the fuel circuit is empty In such a case...

Страница 306: ...ng method Any mistake in the selection of the wire rope or drawbar or the method for towing a disabled machine and being towed may lead to serious personal injury or death Always confirm that the wire...

Страница 307: ...f 1 km h or lower for a distance of only a few metres to a place that is suitable for performing repairs Perform this only in an emergency PRECAUTIONS FOR SEVERE JOB CONDITION When performing digging...

Страница 308: ...from the ground normally the negative 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 caus...

Страница 309: ...r skin immediately wash it off with a large amount of clean water If it gets in your eyes wash the eyes immediately with clean water then consult a doctor for medical treat ment When installing the ba...

Страница 310: ...l of the battery Be sure to attach the clips securely Set the charging current to 1 10 or less of the value of the rated battery capacity When performing rapid charging set it to less than the rated b...

Страница 311: ...d clips should be suitable for the battery size The battery of the normal machine must be the same capacity as that of the failed machine Check the cables and clips for damage or corrosion Make sure t...

Страница 312: ...matsu distributor for the remedies indicated with in the remedy column In cases of problems or causes which are not listed below ask your Komatsu distributor for repairs Problem Main causes Remedy Lam...

Страница 313: ...lace Blown fuse of heater Replace Engine does not start L04 lights up on monitor Damaged data in the controller Check repair Other system troubles Check repair Camera image is not displayed on the mon...

Страница 314: ...TE NANCE Oil is leaked due to improper connec tion or breakage of oil pipe or pipe joint Check repair Wiring to the sensor is disconnected or broken Repair the wiring or connect it Sensor is faulty mo...

Страница 315: ...ged Replace the fuel tank breather Oil consumption is excessive Exhaust gas color is white or bluish Oil is leaking Check repair Oil in oil pan is excessive Make the oil level to the specified lev el...

Страница 316: ...s displayed on the Current Abnor mality screen replace both fuel main filter and fuel prefilter immediately For replacing see METHOD FOR REPLAC ING FUEL PREFILTER CARTRIDGE and METHOD FOR REPLACING FU...

Страница 317: ...MAINTENANCE Please read and make sure that you understand the SAFETY section before reading this section 4 1...

Страница 318: ...rforming welding turn the starting switch to OFF position check that the system operating lamp is not lit Turn the battery disconnect switch to OFF position and remove the key Do not apply a voltage h...

Страница 319: ...arts When doing this be careful not to forget to assemble O rings and gaskets When installing the hoses do not twist them or bend them sharply If they are installed so their service life will be extre...

Страница 320: ...machine are caused by the entry of such impurities Take particular care not to let any impurities get in when storing or adding oil Never mix oils of different grades or brands Always add the specifi...

Страница 321: ...ng properties and can be used continuously for 2 years or 4000 hours Komatsu recommends the use of Non Amine Engine Coolant AF NAC If you use another coolant it may cause serious problems such as corr...

Страница 322: ...of 5 m or more en abling early detection of failures Others Measurements are made of items such as the ratio of water coolant and fuel in the oil and dynamic viscosity if necessary to enable a highly...

Страница 323: ...dangerous if the electrical component becomes wet or the covering of the wiring is damaged This will cause an electrical leakage and may lead to malfunction of the machine Do not wash the inside of th...

Страница 324: ...13 17 19 22 13 2 31 66 113 177 1 35 3 2 6 7 11 5 18 9 8 22 8 48 5 83 2 130 11 8 to 14 7 27 to 34 59 to 74 98 to 123 157 to 196 1 2 to 1 5 2 8 to 3 5 6 to 7 5 10 to 12 5 16 to 20 8 7 to 10 8 20 3 to 2...

Страница 325: ...16 22 0 159 177 to 245 18 0 to 25 0 130 to 181 10 33 41 216 22 0 159 177 to 245 18 0 to 25 0 130 to 181 Face seal Nominal No of hose Nominal size thereads per inch a Width across flats b mm Tightening...

Страница 326: ...CUIT 4 36 METHOD FOR CLEANING LINE FILTER AND REMOVING DIRT 4 37 METHOD FOR CHECKING CAMERA VISIBILITY 4 37 CHECKS BEFORE STARTING 4 38 EVERY 10 HOURS MAINTENANCE 4 38 METHOD FOR LUBRICATING 4 38 EVER...

Страница 327: ...PF 4 79 METHOD FOR CLEANING FUEL DOSER 4 79 CHECK FOR MISSING FUEL SPRAY PREVENTION CAP ON FUEL DOSER PIPING HARDENING OF RUBBER 4 79 EVERY 5000 HOURS MAINTENANCE 4 79 METHOD FOR CHANGING OIL IN HYDRA...

Страница 328: ...ours after chang ing Every 500 hours Every 1000 hours Within 500 operating hours after changing After 500 op erating hours after chang ing Within 500 operating hours after changing After 500 op eratin...

Страница 329: ...is dangerous to pull it out by force When working in high places or 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 t...

Страница 330: ...he time for cleaning The dust indicator a is located inside the door at the front side of the walk through METHOD FOR CLEANING AIR CLEANER OUTER ELEMENT NOTICE Never remove the inner element If it is...

Страница 331: ...s or it has been used for a year Replace the inner element as well at the same time 2 If the air cleaner clogging caution lamp 1 lights up soon after cleaning even if the outer element has not been cl...

Страница 332: ...ccording to the following procedure 1 Check that the O ring 8 is fitted to the cover 3 2 Align the cover 3 with the element 3 Lock the tip of hook 2 on the protrusion of the air cleaner body 4 Lock th...

Страница 333: ...ve it NOTICE Do not clean and reuse the inner element Replace the inner element with a new one at the same time when the outer element is replaced If the outer element and cover are installed while th...

Страница 334: ...2 diagonally top and bottom right and left in the same way as when tightening the bolts 4 Always install the cover 3 so that the vacuator valve 4 faces to the bottom A 5 When the cover 3 is installed...

Страница 335: ...machines are supplied with Non Amine Engine Coolant AF NAC Non Amine Engine Coolant AF NAC has excellent anti corrosion antifreeze and cooling properties and can be used continuously for 2 years or 40...

Страница 336: ...hose 6 to the drain valve 5 on the radia tor side 7 Place the containers under drain valve 5 on the radiator side and drain valve 7 on the engine side to catch the coolant water Open the drain valve 5...

Страница 337: ...If the machine is used with track shoe bolts loose they will break If any looseness of the shoe bolts is found retighten it 1 Check for looseness of the track shoe bolts 1 2 If any looseness of the b...

Страница 338: ...re is a danger of valve 1 flying out under the high internal pressure of the grease Never loosen any part other than valve 1 Never put your face in the mounting direction of valve 1 If the track tensi...

Страница 339: ...ot be decreased by the above procedure ask your Komatsu distributor for repair METHOD FOR REPLACING BUCKET TEETH XS Replace the bucket teeth before the wear reaches to the adapter k k WARNING It is da...

Страница 340: ...f arrow by hand or hammer and remove the tooth 2 6 Clean the mounting face Fit a new tooth 2 in the adapter Push in the pin 1 and rotate it clockwise with a socket wrench by 90 Lock the pin to install...

Страница 341: ...machine without removing the sling The sling at tooth tip interferes with the boom when moving the arm to IN position and the bucket to CURL position The crack generated when the sling was broken dev...

Страница 342: ...tooth tip 1 Cut off at the hole bottom of the sling Cutting position B B For the upper part of tooth 2 Cut off at the position 10 to 20 mm away from the body 5 Finish the cutting face smoothly with a...

Страница 343: ...1 2 If the level is low add window washer fluid for automobile Be careful not to let dirt or dust get in when adding fluid Mixture ratio of pure washer fluid and water The proper mixing proportion var...

Страница 344: ...vel of refrigerant gas k k WARNING If the refrigerant used in the air conditioner gets into your eyes or is splashed on your hands it may cause loss of sight or frostbite Never touch the refrigerant D...

Страница 345: ...1 Stop the machine on a level ground lower the bucket to the ground stop the engine and then perform the cleaning 2 When washing the floor mat use a brush to remove the dust or directly water the mat...

Страница 346: ...e cab floor are at a low position 3 Lower the work equipment to the ground and set the ma chine in a stable condition 4 Operate the operating portion g of the lock lever 1 to set it securely to LOCK p...

Страница 347: ...jections 2 into the holes METHOD FOR SETTING MACHINE AT ANGLE You can set the machine at an angle by using a slope or blocks Consider the condition of the machine and select the safe method METHOD FOR...

Страница 348: ...hat the machine is always stable METHOD FOR CHECKING GAS SPRING k k WARNING The gas spring is charged with high pressure nitrogen gas so improper handling may cause an explo sion resulting in serious...

Страница 349: ...he engine 2 Work equipment circuit Be sure to stop the engine before bleeding air from the pump Run the engine at 1000 rpm or less Operate the cylinder slowly Do not increase the cylinder pressure by...

Страница 350: ...10 minutes and then start the following work 3 Bleeding air from cylinder 1 Loosen the air bleeder 1 on the top face of the return filter 2 Run the engine at low idle and extend and retract each cylin...

Страница 351: ...OTICE If the attachment has its own air bleeding procedure specified by the manufacturer observe them After completing the air bleeding operation stop the engine leave the machine for 5 minutes and th...

Страница 352: ...4 Set the fuel feed pump switch 3 to ON position A Lamp 4 flashes and the fuel feed pump operates Let go of the fuel feed pump switch 3 The fuel feed pump switch 3 returns to the original position N b...

Страница 353: ...r approximately 2 minutes and then try to start the engine again METHOD FOR CLEANING LINE FILTER AND REMOVING DIRT If any abnormality is found in hydraulic components such as pumps remove the dirt fro...

Страница 354: ...nd sediment Method for checking oil level in hydraulic tank adding oil Method for checking oil level in swing machinery case adding oil Method for checking oil level in PTO case adding oil Method for...

Страница 355: ...1 Boom cylinder foot pin 2 places 2 Boom foot pin 2 places 3 Boom cylinder rod pin 2 places 4 Arm cylinder foot pin 1 place MAINTENANCE MAINTENANCE PROCEDURE 4 39...

Страница 356: ...HOURS MAINTENANCE Maintenance for every 10 hours service should be performed at the same time METHOD FOR LUBRICATING SWING CIRCLEZ Items to be prepared Grease pump 1 Lower the work equipment to the g...

Страница 357: ...erflows from the hole of plug F 4 After the inspection install the plug F Tightening torque of plug F 93 1 to 122 5 Nm 9 5 to 12 5 kgm METHOD FOR CHECKING BATTERY ELECTROLYTE LEVEL Perform this proced...

Страница 358: ...add the purified water such as a commercial battery fluid to U L line 3 After adding the purified water tighten the cap 4 securely REMARK If the purified water is added to above UPPER LEVEL U L line r...

Страница 359: ...su distributor or your battery manufacturer METHOD FOR CHECKING ELECTROLYTE LEVEL ON INDICATOR ETC If it is possible to use an indicator to check the electrolyte level follow the instructions given ME...

Страница 360: ...S after the oil is drained 6 Install the cover 1 7 Open the pump room door and servicing door for oil filter 8 Turn the filter cartridges 4 3 pieces counterclockwise by using the filter wrench and rem...

Страница 361: ...fter stopping the engine to let the internal pressure go down before replacing the filter Do not bring any open flame close NOTICE Komatsu genuine fuel filter cartridges use a special filter that has...

Страница 362: ...filter cartridge 2 5 Remove the drain hose 6 Turn the filter cartridge 2 counterclockwise by using the filter wrench and remove it 7 Make sure that the drain valve 3 which is provided in the lower pa...

Страница 363: ...be extremely careful not to dent or damage the filter 10 Install the drain hose 11 Turn the valve 1 at the bottom of the fuel tank to OPEN position O 12 After replacing the filter cartridge start the...

Страница 364: ...essed air high pressure water or steam hits your body directly or dirt is scattered by use of it there is a danger of personal injury Wear the protective equipment such as the protective eyeglasses an...

Страница 365: ...instead of compressed air but keep a distance from the fin Ask your Komatsu distributor for cleaning if the radia tor fin E and oil cooler fin D are grossly dirty You can clean it by rotating the fan...

Страница 366: ...fuel cooler bolts 15 4 pieces 2 Open the fuel cooler by pulling it toward you 3 Close the fuel cooler after cleaning it and install bolts 15 4 pieces SET UP SCAFFOLD FOR CLEANING AND INSPECTION Set u...

Страница 367: ...Take out the recirculation air filter 1 at the bottom rear left inside the operator s cab 2 Clean the filter with compressed air If there is oil on the filter or if the filter is extremely dirty wash...

Страница 368: ...acing it in the cor rect direction When installing insert long end L of filter 5 into duct 6 first If short end S is inserted first filter 5 will get stuck with protrusion B of the sheet metal Keep th...

Страница 369: ...ner to catch the drained oil under the drain plug 1 3 Loosen the bolt 2 and remove the filter case 3 4 Remove the element 4 5 Tighten the drain plug 1 6 Install the new element and install the filter...

Страница 370: ...gly less oil drips when the element is removed 3 After removing the strainer 3 take out the element 2 If there is excessive metal powder or foreign material in the strainer 3 contact your Komatsu dist...

Страница 371: ...hot and may cause burn injury Wait for the temperature to go down and then start the work Refill capacity 40 0 20 0 x 2 pieces 1 Place a container under drain nipple 1 to receive the oil 2 Loosen the...

Страница 372: ...diately after the engine is stopped its parts and oil are still very hot and may cause burn injury Wait for the temperature to go down and then start the work NOTICE Park the machine on a flat ground...

Страница 373: ...fuel filter head take care There may be remaining pres sure and it may spurt out NOTICE Komatsu genuine fuel filter cartridges use a special filter that has highly efficient filtering ability When re...

Страница 374: ...l the new filter cartridge with fuel Remove the cap B at center and install the filter cartridge 6 When installing the cartridge tighten it until the packing surface contacts the sealing surface of th...

Страница 375: ...KING AND LUBRICATING TENSION PULLEY ASSEMBLY OF ALTERNATOR AND AIR CONDITIONER COMPRESSOR DRIVE BELT Pump in grease by using a grease gun through the grease fit ting shown by arrow 1 Tension pulley as...

Страница 376: ...nd clean 3 Dry it after cleaning Spray the penetrant and leave it for 5 to 20 minutes 4 Spray the cleaning agent and clean the surface with a cloth 5 Clean the surface again and spray the developer 6...

Страница 377: ...Boom d Left side e Right side f Head side g Foot side MAINTENANCE MAINTENANCE PROCEDURE 4 61...

Страница 378: ...Arm h Left side i Right side MAINTENANCE PROCEDURE MAINTENANCE 4 62...

Страница 379: ...ement 4 with a new one 4 Install the cover 3 and nut 2 Tightening torque of nut 2 10 to 14 Nm 1 0 to 1 4 kgm NOTICE If the breather assembly 1 is removed for replacement apply a tool to the bolt 5 and...

Страница 380: ...he front rear right and left for 2 to 3 times within 15 seconds to release the internal pres sure in the hydraulic circuit after operating Step 2 4 Operate the operating portion g of the lock lever to...

Страница 381: ...front side Swing motor filter element on the rear side 7 Shift the lever of the valve which is installed to the swing motor filter element to S position Filters are at 2 places in front and rear MAIN...

Страница 382: ...ad 11 Return the lever of the valve to O position after the swing motor filter element is replaced Filters are at 2 places in front and rear EVERY 2000 HOURS MAINTENANCE Maintenance for every 10 100 2...

Страница 383: ...n oil begins to overflow from the plug F hole install the plug F Tightening torque of plugs P and F 93 1 to 122 5 Nm 9 5 to 12 5 kgm METHOD FOR CLEANING HYDRAULIC TANK STRAINER k k WARNING Immediately...

Страница 384: ...ause an ex plosion which will lead to serious injury or death For handling always observe the following The pressure in the hydraulic circuit cannot be completely removed When removing the hydraulic e...

Страница 385: ...he figure METHOD FOR CHECKING ACCUMULATOR FUNCTION k k CAUTION Be sure that no person or obstacle is around the machine before performing the inspection Check the nitrogen gas charge pressure as follo...

Страница 386: ...ompletion of the inspection set the work equipment lock lever to LOCK position and turn the starting switch to OFF position A METHOD FOR RELEASING PRESSURE IN ACCUMULATOR k k WARNING The hydraulic sys...

Страница 387: ...within 5 to 6 seconds after stopping the engine Repeat the steps 3 to 4 for 3 times 6 Remove the cap of the hydraulic tank METHOD OF CHECKING BOOST PIPING HOSE CLAMP Ask your Komatsu distributor to h...

Страница 388: ...and aftercooler become dirty and the per formance lowers or the crankcase pressure increases Never reuse the filter element since it can cause an engine failure After the filter element is replaced i...

Страница 389: ...ant level is normal it is not a prob lem 3 Remove the used O ring 6 sticking to the case 4 and in stall a new O ring contained in the service kit Apply the engine oil to the new O ring 4 Insert the el...

Страница 390: ...es of the ring by using the special wrench If the engine is operated with the ring tightened insufficient ly oil and blowby gas may leak Check the KCCV hose for leakage crack and loose clamp and repla...

Страница 391: ...e grease in the bearings may have dried out Ask your Komatsu distributor for the inspection and repair METHOD FOR REPLACING ACCUMULATOR FOR CONTROL CIRCUIT k k WARNING The accumulator is charged with...

Страница 392: ...R COMPRESSOR Ask your Komatsu distributor for inspection and adjustment of the air compressor METHOD FOR CHECKING FOR LOOSENESS OF ENGINE HIGH PRESSURE PIP ING CLAMP HARDENING OF RUBBER NOTICE If the...

Страница 393: ...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...

Страница 394: ...wait for the temperature to go down and turn the cap slowly to release the pressure 1 Place the machine on a level ground then stop the engine 2 Remove the cover 1 3 Check that the coolant temperature...

Страница 395: ...any problem the related parts must be replaced Ask your Komatsu distributor for replacement EVERY 5000 HOURS MAINTENANCE Maintenance for every 10 100 250 500 and 1000 hours should be performed at the...

Страница 396: ...K position and stop the engine 4 Remove the cap of oil filler port F at the top of the hy draulic tank 5 Place an oil container to catch oil under the drain plug at the bottom of the machine 6 Remove...

Страница 397: ...k that the oil level is between H and L lines on sight gauge 13 Bleed air from the circuit after the hydraulic oil filter element or strainer is replaced or cleaned by referring to METHOD FOR BLEEDING...

Страница 398: ...e bolt Tightening torque of bolt A Target value 2205 Nm 225 kgm Allowable range 1960 to 2450 Nm 200 to 250 kgm 2 Procedure for tightening swing circle bolt B 1 Perform the swing of upper structure by...

Страница 399: ...caps METHOD FOR OVERHAULING STARTING MOTOR AND ALTERNATOR Ask your Komatsu distributor to have the starting motor and alternator overhauled EVERY 9000 HOURS MAINTENANCE Maintenance for every 10 100 25...

Страница 400: ......

Страница 401: ...SPECIFICATIONS 5 1...

Страница 402: ...1800 ISO 9249 SAE J1349 net 565 1800 A Overall length mm 16070 B Overall height mm 6040 C Overall width mm 5570 D Track width mm 700 E Cab height mm 4120 F Tail swing radius mm 4920 G Overall length...

Страница 403: ...8680 F Maximum reach at ground level mm 15000 SPECIFICATIONS PC1250SP 11 Item Unit PC1250SP 11 Operating weight kg 118300 Bucket capacity m3 6 7 Engine model Komatsu SAA6D170E 7 diesel engine Rated ho...

Страница 404: ...Tail swing radius mm 4920 G Overall length of track mm 6425 H Distance between tumbler centers mm 4995 I Minimum ground clearance mm 990 Travel speed Lo Hi km h 2 3 3 3 Swing speed min 1 5 8 Operatin...

Страница 405: ...digging reach mm 14070 B Maximum digging depth mm 7900 C Maximum digging height mm 13000 D Maximum vertical wall digging depth mm 5025 E Maximum dumping height mm 8450 F Maximum reach at ground level...

Страница 406: ......

Страница 407: ...ATTACHMENTS AND OP TIONS Please read and make sure that you understand the SAFETY section before reading this section 6 1...

Страница 408: ...her instructions Use a crane when handling heavy objects 25 kg or more The crane must be operated by a qualified operator Never go under a load raised by the crane Do not perform operations with the...

Страница 409: ...sition also becomes greater Do not stop the work equip ment in air Do not suddenly swing lower or stop the work equipment It is dangerous that the machine may tip over Do not suddenly extend or retrac...

Страница 410: ...may also have an adverse effect on the operation of the ma chine and the life of the equipment Any personal injuries product failures physical loss or damage resulting from the use of unauthor ized at...

Страница 411: ...nd side shroud Including side cutter and side shroud Buck et 3 4 3 0 m3 B A 1500 1670 4 0 3 5 m3 B A C 1710 1880 5 0 4 3 m3 A C 2050 2220 5 2 4 5 m3 A C 2050 2110 5 2 4 5 m3 Wear re sistance B C 2050...

Страница 412: ...13400 13400 13490 13490 13910 13000 D Maximum ver tical wall dig ging depth mm 7610 7610 8490 8490 9480 5025 E Maximum dumping height mm 8680 8680 9000 9000 9440 8450 F Maximum reach at ground level m...

Страница 413: ...sing A Rocky ground river beds Normal soil Travel at low speed Lo on rough ground with large obstacles such as boulders or fallen trees B Normal soil Soft ground Use these shoes only in places where t...

Страница 414: ...ION OF COMPONENTS IN AUTO GREASING SYSTEM 1 Machine monitor 2 Greasing mode selector switch 3 Auto greasing and grease gun selector valve lever 4 Grease pump 5 Regulator 6 Injector HANDLE AUTO GREASIN...

Страница 415: ...rates Greasing can be performed anytime as needed When using the grease gun turn the auto greasing switch to MANUAL position It can be used to to check the grease pump operating state or to bleed air...

Страница 416: ...displayed when the greasing mode selector switch is at AUTO side MANUAL GREASING OPERATION PILOT LAMP Manual greasing operation pilot lamp is displayed when the greasing mode selector switch is turned...

Страница 417: ...REASE PUMP REGULATOR k k WARNING Do not increase the pressure of regulator up to 0 49 MPa or more 5 kg cm2 or more Since the pump pressure ratio is 50 1 the pressure of grease increases up to 24 5 MPa...

Страница 418: ...ng points 9 to 13 Lubricate them manually by referring to MAINTENANCE The greasing points which are covered by the auto greasing system are as follows 1 Boom cylinder foot pin 2 places 2 Boom foot pin...

Страница 419: ...ELECTOR SWITCH AT AUTO POSITION Auto greasing system is actuated by operating the greasing mode selector switch to AUTO position b after the starting switch of the machine is turned to ON position The...

Страница 420: ...d be in MANUAL position a when using the grease gun It should in MANUAL position a also when checking the operating condition of the grease pump or bleeding air from the grease line Auto greasing syst...

Страница 421: ...tes The lubrication interval is set at 20 minutes when the machine is shipped from factory Adjustment procedure 1 Press the user menu display switch F6 on the standard screen of machine monitor 2 Pres...

Страница 422: ...operated by the pressure from the pump and it sends the set volume of the grease to the bearing portions Watch the movement of injector pin 1 on the head of the injector to determine whether the injec...

Страница 423: ...e most tightened position minimum injection volume Maximum injection volume 1 3cc ST 2 Tighten the lock nut 2 always when the injection volume from the injector is adjusted Allowable tightening torque...

Страница 424: ...uses Remedy Auto greasing caution lamp lights up Operation is performed with empty grease pail Grease pail becomes deformed fol lower plate does not lower and air is sucked in Replace grease pail Grea...

Страница 425: ...referring to the following table Ambient temperature degrees C Min Max Grease NLGI No 2 0 40 Grease for cold district NLGI No 0 30 0 0 1 40 1 1 Grease for cold district NLGI No 0 can be used in warm d...

Страница 426: ...e mixed air 4 Stop the grease pump by turning the greasing mode selector switch to AUTO position when normal grease comes out 5 Tighten the plug 2 to the injector so that grease does not leak Allowabl...

Страница 427: ...surized grease will spurt out when the grease pump operates and it is dangerous Be sure to tighten the cap The injector a discharges the grease which is discharged from the grease pump to each greasin...

Страница 428: ...ces 3 Boom foot pin R H 2 places 4 Boom foot pin L H 2 places 5 Boom cylinder rod pin R H 1 place 6 Boom cylinder rod pin L H 1 place 7 Arm cylinder foot pin 1 place 8 Boom and arm connection pin 2 pl...

Страница 429: ...AUTO GREAS ING 1 Arm and link connection pin 1 place 2 Arm and bucket connection pin 2 places 3 Link connection pin 1 places 4 Bucket cylinder rod end pin 2 place 5 Bucket and link connection pin 1 p...

Страница 430: ...on lamp in the cab lights up in red For details see STAIRWAY CAUTION LAMP When the stairway is stored this lock is released If the lock cannot be released even after the stairway is stored see ACTIONS...

Страница 431: ...y stops lowering REMARK stairway can be lowered even when the engine is stopped The moving speed of the stairway when the engine is stop ped is slower than that when the engine is running PROCEDURE FO...

Страница 432: ...achine before starting the engine since the stairway is auto matically restored to the storage position at starting the engine if the hydraulic drift angle is within 5 Store the stairway with the stai...

Страница 433: ...rm the adjustment according to the following procedure so that the operation pilot lamp L securely lights up If the operation pilot lamp does not light up L There may be a failure in the proximity swi...

Страница 434: ...erated stairway securely and hang the chain to prevent the stairway from falling onto the hook on the machine STAIRWAY CAUTION LAMP The stairway caution lamp warns that the hydraulically operat ed sta...

Страница 435: ...REPLACEMENT PARTS 7 1...

Страница 436: ...e This is im portant to ensure that these parts maintain their full performance at all times Furthermore should anything abnormal be found on any of these parts replace it with a new one even if the p...

Страница 437: ...deformation or cracking replace the clamps at the same time as the hoses Also perform the following checks with hydraulic hoses which need not to be replaced periodically Retighten all loose hoses and...

Страница 438: ...ridge 2 Every 500 hours Fuel main filter 600 319 3841 Cartridge 2 Every 1000 hours Pilot filter 424 16 11140 419 15 14860 Element O ring 1 1 Every 500 hours Drain filter 21N 60 12211 Cartridge 1 Engin...

Страница 439: ...1 21N 70 37731 Tooth XS type Pin 5 5 427 70 13611 21N 939 3330 209 939 7110 209 939 7120 Side shroud Pin Shim Shim 4 8 16 8 21N 70 14180 21N 70 14190 21N 09 11121 21N 09 11131 Side cutter left Side cu...

Страница 440: ...mounted on this ma chine uses an electronically controlled high pressure fuel injection device and emission gas control system KDPF Since the high pressure fuel injection device requires high precisi...

Страница 441: ...ngine oil Check oil level in engine oil pan Change hydraulic oil Check oil level in hydraulic tank Change power train oil Check power train oil level Replace engine oil filter Replace hydraulic oil fi...

Страница 442: ...HE KES 30 50 HO46 HM KES Note 5 20 50 Grease fitting Hyper grease Note 3 G2 TE KES 20 50 Lithium EP grease G2 LI KES 20 50 Cooling system Non Amine Engine Coolant AF NAC Note 4 AF NAC KES 40 50 Fuel...

Страница 443: ...Amine Engine Coolant AF NAC Non Amine Engine Coolant AF NAC has excellent anti corrosion antifreeze and cooling properties and can be used continuously for 2 years or 4000 hours Non Amine Engine Coola...

Страница 444: ......

Страница 445: ...ve belt Check Lubricate tension pulley assembly 4 59 Alternator and air conditioner compressor drive belt Check Replace 4 50 Always use clean washer fluid 4 2 Antenna Stow 3 216 Appoint leader when wo...

Страница 446: ...t drop things inside machine 4 2 Do not get caught in work equipment 2 16 Do not go close to high voltage cables 2 19 Do not perform the work if foreign material is accumu lated around hydraulic cylin...

Страница 447: ...ck for missing and hardening of rubber 4 79 Fuel spray prevention cap on fuel doser piping Re place 4 83 Fuel tank Drain water and sediment 3 129 Fuel tank breather element Replace 4 59 Fuel coolant a...

Страница 448: ...wiper switch 3 95 Lubrication chart 7 6 M Machine Change direction during straight travel 3 176 Machine Check walk around 3 128 Machine Escape from mud 3 188 Machine Lift 3 219 Machine Lubricate 4 38...

Страница 449: ...old weather 2 22 Precautions for compressed air 2 40 Precautions for discharged battery 3 242 Precautions for disposing of waste materials 2 40 Precautions for getting on or off machine 2 14 Precautio...

Страница 450: ...hange oil 4 56 PTO gear case Check oil level Add oil 3 135 PTO lubrication filter strainer Clean 4 52 Pump secondary drive switch 3 92 R Radiator cap Replacing 4 78 Radiator coolant level caution lamp...

Страница 451: ...vel speed display 3 31 Travel speed selector switch 3 45 Troubles and actions 3 239 6 17 Tuningtime adjustment button 3 211 Turbocharger protection function 3 157 Turn battery disconnect switch to off...

Страница 452: ...PC1250 11 PC1250SP 11 HYDRAULIC EXCAVATOR Form No EENAM03651 2018 KOMATSU All Rights Reserved Printed in Belgium 06 2018...

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