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AUTHORIZED OPTIONAL EQUIPMENT

243

6.1.2 PRECAUTIONS REGARDING THE INSTALLATION OF EQUIPMENT

WARNING

q

The installation of long work equipment reduces the stability of the machine.
If it is necessary to travel up or down a slope, proceed very carefully, since the machine may lose its bal-
ance and overturn.

q

When work equipment with overall dimensions exceeding those of the standard equipment is installed,
be particularly careful, since more space is necessary for the movements of the equipment and of the
machine.

https://tractormanualz.com

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Содержание WB93R-5

Страница 1: ...chine may cause serious injury or death Operators and maintenance personnel must read this manual before operating or maintaining this machine This manual should be kept inside the cab for reference a...

Страница 2: ...https tractormanualz com...

Страница 3: ...ns that have been carried out are important to have a clear prospect of the situation and to know exactly what has been done and what has to be done after the next maintenance interval Therefore it is...

Страница 4: ...of this term must be limited to situations of extreme danger WARNING q Indicates a situation of potential danger that if not avoided may cause serious injury and even death CAUTION q Indicates a situa...

Страница 5: ...achine if this has been tampered with by modifying the standard setting of the hydraulic system WARNING q Before carrying out any electric welding operation disconnect the battery and the alternator S...

Страница 6: ...ent is supplied by Komatsu these publications are enclosed to this manual q The instructions regarding the assembly of the authorized equipment the controls requiring special ar rangements on the mach...

Страница 7: ...ed Every new machine must be used carefully paying special attention to the following indications q After the start let the engine idle for 5 minutes in such a way as to warm it up gradually before ac...

Страница 8: ...ised standards The Product Identification Number PIN is stamped on the lower part of the plate The customer must be able to indicate the PIN at any time that is why it must compulsorily be written in...

Страница 9: ...MERO DI OMOLOGAZIONE HOMOLOGATION NUMBER TIPO TYPE MODEL MASSA TOTALE AMMISSIBILE TOTAL MASS WEIGHT CARICO AMMISSIBILE ASSE ANT WEIGHT FRONT AXLE CARICO AMMISSIBILE ASSE POST WEIGHT REAR AXLE Product...

Страница 10: ...block bears the Manufacturer s mark and contains the follow ing data 1 Engine type 2 Engine family 3 Serial number 4 EC Type Approval 5 EPA The serial number 3 is also stamped on the right side of th...

Страница 11: ...ight side of the axle body 1 4 7 TRANSMISSION SERIAL NUMBER The transmission serial number is stamped on the plate pos tioned on the right side of the transmission case 1 4 8 CAB SERIAL NUMBER The cab...

Страница 12: ...N 10 1 4 9 SERIAL NUMBERS AND DEALER S ADDRESS Machine no Mod Front axle no Rear axle no Transmission no Dealer Address Tel Contact person NOTES Cab no Product identification number PIN Engine no http...

Страница 13: ...MEANINGS 22 2 1 3 POSITION OF THE NOISE PLATES ON MACHINES WITH CAB 28 2 1 4 VIBRATIONS TO WHICH THE OPERATOR IS SUBJECTED 29 2 2 GENERAL PRECAUTIONS 30 2 2 1 GENERAL SAFETY RULES 30 2 2 2 SAFETY DEVI...

Страница 14: ...NG UNDER THE MACHINE 53 2 8 6 KEEPING THE MACHINE CLEAN 54 2 8 7 USE OF THE ENGINE DURING MAINTENANCE 54 2 8 8 PERIODICAL CHANGE OF THE SAFETY RELATED PARTS 54 2 8 9 STOP THE ENGINE BEFORE CARRYING OU...

Страница 15: ...UNIT FUSES RELAYS AND ENGINE LINE 114 3 4 1 1 FUSES 114 3 4 1 2 RELAYS 116 3 4 2 VENTILATION HEATING AND AIR CONDITIONING FUSES AND RELAYS 117 3 4 2 1 FUSES 117 3 4 2 2 RELAYS 117 3 5 GUARDS CAB AND...

Страница 16: ...HANGING THE STANDARD FRONT BUCKET 148 3 13 USING THE MACHINE AS AN EXCAVATOR 149 3 13 1 POSITIONING THE BUCKET ACCORDING TO THE WORK THAT MUST BE CARRIED OUT 149 3 13 2 POSITIONING THE MACHINE FOR DIG...

Страница 17: ...SYSTEM 182 4 6 1 2 DELIVERY HYDRAULIC SYSTEM 183 4 6 1 3 FRONT LOADER HYDRAULIC SYSTEM 184 4 6 1 4 BACKHOE HYDRALIC SYSTEM 185 4 6 1 5 OPERATOR S SAFETY 186 4 7 MAINTENANCE PLAN 187 4 8 MAINTENANCE P...

Страница 18: ...4 8 8 f CHECKING THE HYDRAULIC TRANSMISSION OIL LEVEL 212 4 8 8 g CHECKING THE WHEEL NUT DRIVING TORQUE 212 4 8 9 MAINTENANCE AFTER THE FIRST 500 HOURS OF OPERATION Only for machines in which synthet...

Страница 19: ...DING SAFETY 242 6 1 2 PRECAUTIONS REGARDING THE INSTALLATION OF EQUIPMENT 243 6 1 3 CHARACTERISTICS OF THE OPTIONAL EQUIPMENT 244 6 2 FRONT EQUIPMENT QUICK COUPLING DEVICES 245 6 2 1 MANUAL QUICK COUP...

Страница 20: ...TROL version with mechanically controlled backhoe 268 6 8 1 2 CONTROL version with servo assisted backhoe 268 6 8 2 INSTALLING AND CONNECTING THE EQUIPMENT 269 6 8 3 MAINTENANCE 269 6 9 CONFIGURATION...

Страница 21: ...SAFETY AND ACCIDENT PREVENTION 19 https tractormanualz com...

Страница 22: ...ANTE I TRASFERIMENTI SU STRADA I PEDALI FRENO DEVONO ESSERE COLLEGATI CON APPOSITO SPINOTTO 42N 93 11110 I NON INSERIRE LA DOPPIA TRAZIONE IN TRASFERIMENTO STRADALE GB D F E P DO NOT ENGAGE 4 WHEEL DR...

Страница 23: ...SAFETY NOISE AND VIBRATION PLATES 21 SW L 1000 kg RKA13490 42N 93 11320 RKAB4740 42N 93 11310 https tractormanualz com...

Страница 24: ...ollowing list WORK AREA q Do not approach or stand in the equipment operating radius when the boom and the bucket are lifted DO NOT OPEN THE ENGINE HOOD q Do not open or remove the hood when the engin...

Страница 25: ...Do not bring the shock absorber near sparks or naked flames q Do not make holes in the shock absorber do not weld or use oxyhydrogen flames q Do not hit the shock absorber DO NOT START THE ENGINE WITH...

Страница 26: ...posite pin DO NOT ENGAGE THE 4WD q When the machine travels on roads do not engage the 4WD HYDRAULIC OIL TOPPING UP HYDRAULIC OIL LEVEL PRIMA DI PARTIRE PER IL TRASFERIMENTO SU STRADA BLOCCARE LA LEVA...

Страница 27: ...R REFUELLING FUEL FILTER ENGINE LUBRICATING OIL FILTER ENGINE AIR SUCTION FILTER ENGINE COOLANT 37A 98 12310 RKA14820 37A 98 12240 RKA14830 D 37A 98 12250 RKA14840 D 37A 98 12230 RKA14850 37A 98 12260...

Страница 28: ...SSURE TRANSMISSION OIL LEVEL TRANSMISSION OIL FILTER POWER OUTLET BOOM LOCK SWING LOCK 37A 98 12270 RKA14880 395 93 11440 RKA14590 395 93 11420 RKA14580 42N 93 11270 RKA14890 12 V 42N 93 11320 RKA1490...

Страница 29: ...VIBRATION PLATES 27 ANCHORAGE POINT EMERGENCY EXIT BRAKE OIL DO NOT LIFT MORE THAN 1000 kg 42N 93 11360 RKA14920 42N 93 11260 RKA14930 B RAKE OI L B R A K E O I L RKA14940 RKA14950 SWL 1000 Kg https t...

Страница 30: ...nes to Komatsu or to your Komatsu Dealer q In case of replacement of a component provided with a noise plate make sure that this plate is applied also on the new piece NOISE OUTSIDE THE CAB q This val...

Страница 31: ...rding to the results of the tests carried out to determine the vibrations transmitted to the operator by the ma chine the upper limbs are subjected to vibrations lower than 2 5 m sq sec while the seat...

Страница 32: ...HING AND PERSONAL PRO TECTION ITEMS q Do not wear large or loose clothes rings and watches and do not approach the machine with loose long hair since they can get entagled in the moving parts of the m...

Страница 33: ...nt to the ground 2 Press the servo control locking button LED on NOTE q On machines equipped with backhoe servo controls all movements are inhibited when the button is in locking posi tion LED on 3 En...

Страница 34: ...ose and clean the handles and steps if they are dirty with oil or grease Carefully clean the cab floor if it is dirty with oil grease mud or rubble 2 2 7 CHECKING THE REAR VIEW MIR RORS q Make sure th...

Страница 35: ...fuel and oil safety caps securely q Do not fill the tank completely in order to leave room for the fuel to expand q If some fuel is inadvertently spilled wipe it up immediately 2 2 9 PREVENTING BURNS...

Страница 36: ...uitable protection use an ap proved and homologated respirator 5 The powder gathered during the cleaning operations must be wet and put in a sealed and marked container so that it can be safely dispos...

Страница 37: ...vertently hit or the machine overturns during work the cab may be damaged with consequent reduction of its stiffness and of the safety that must be guaranteed to the operator ROPS FOPS Contact Komatsu...

Страница 38: ...water depth and the force and flow direction of the current before operating in water or on river banks 2 3 2 FIRE PREVENTION q Completely remove all wood chips rubbish paper and other flammable mater...

Страница 39: ...visibility on the work area q Adjust the rear view mirrors if they have moved so that the operator seated in the driving position can clearly see the area behind the machine If any window light or mir...

Страница 40: ...he safety pins 3 Install the teeth protection casing on the front bucket 4 Lift the backhoe boom until engaging the safety coupling The arm and bucket must in any case be completely folded 5 The backh...

Страница 41: ...q Only one person must be entrusted with giving signals q The operator must make sure that the signalman is always within his field of vision and follow all his sig nals The use of hand signals serves...

Страница 42: ...di rection of the movement to be carried out 5 LIFT THE BOOM One arm laterally outstretched in horizontal position and clenched fingers point the thumb upwards 6 LOWER THE BOOM One arm laterally outs...

Страница 43: ...hand still and open Rotate the other hand verti cally with the forefinger pointing towards the open hand 13 TRAVEL WHILE STEERING Lift the forearm corresponding to the inner steering side with clench...

Страница 44: ...ting the distance to be covered 18 CARRY OUT THE MOVEMENTS SLOWLY One hand still in front of the hand that indicates the move ment to be carried out The figure represents the lift slowly signal 19 STO...

Страница 45: ...OPIC ARM One forearm lifted forwards and clenched fingers point the thumb in the direction of the movement to be carried out 23 EXTEND THE TELESCOPIC ARM One forearm lifted forwards and clenched finge...

Страница 46: ...ravel in reverse make sure that the acoustic alarm is functioning perfectly See 3 3 6 pos 1 REVERSING GEAR LEVER 2 4 5 MOVING THE MACHINE q When moving the machine position the front bucket at about 3...

Страница 47: ...and the four wheel drive q Do not travel down slopes in neutral you may lose control of the machine and cause serious injuries and even death q Avoid disengaging the gearshift with the push button pos...

Страница 48: ...our rules to be followed in case of electrocution 5 Keep the phone number of the electric energy company and of the nearest hospital at hand q If the work equipment gets accidentally entangled in the...

Страница 49: ...ar snow or as snowplough on roads installing the specific optional equipment and even chains if necessary be careful to the road shoulders and to any object obstacle buried in the snow way side posts...

Страница 50: ...r the front and rear wheels q Always rest the work equipment on the ground if it is neces sary to park with lifted arms make sure that the safety locks are engaged q Always engage the control lever sa...

Страница 51: ...the ramps with a maximum inclination of 15 q Make sure that the ramp surface is clean and there is no trace of grease oil soil and ice remove dirt from the wheels before starting to load the machine o...

Страница 52: ...he ignition key q Avoid short circuiting the battery terminals through acciden tal contact with metal objects or tools or through the inver sion of the terminals q Tighten the battery terminals secure...

Страница 53: ...es C q During the removal no one should be allowed to get near the machines or the cable q Do not get astride the cable q Move the machine only as far as necessary to allow the re quired repairs to be...

Страница 54: ...warning plates to the steering wheel to the control levers and to the ignition key before performing any maintenance operation if necessary attach additional warning tags also around the machine and i...

Страница 55: ...special equipment that must be installed on the machine or that have been removed must be stored in a safe place and positioned in such a way as to prevent them from falling down If they fall on someo...

Страница 56: ...q During maintenance operations run the engine only when indispensable If the engine must be running for ex ample when checking the functionality of the alternator it is advisable that someone remains...

Страница 57: ...ngage the safety LOCKS of the equipment control levers apply the parking brake and carry out any mainte nance operation with the help of another person an operator must remain on board and the words t...

Страница 58: ...stantly in contact with the filler until you have finished in or der to avoid sparks due to static electricity q Do not fill the tank completely in order to leave room for the fuel to expand 2 8 11 CH...

Страница 59: ...en the negative cable q If electrical welding operations are to be carried out on the machine it is necessary to disconnect the battery and also the alternator 2 8 14 PRECAUTIONS CONCERNING THE STARTE...

Страница 60: ...g the inspections and use a piece of cardboard or a sheet of plywood to check for oil leakages Small leakages from pipes under pressure and the resulting jets are extremely dangerous since they can pe...

Страница 61: ...ce clothes or parts of the body may get caught into them q If hands clothes or tools become entangled in the fan blades or the fan belt they may be cut off torn or seriously injured damaged for this r...

Страница 62: ...ric waste according to the regulations in force q Do not touch any burnt elastomeric or polymeric waste and in case of accidental burning avoid inhaling the toxic gases produced q In case of contact w...

Страница 63: ...WHEN USING SYNTHETIC BIODE GRADABLE OIL TYPE HEES q It is not possible to mix the synthetic biodegradable oil type HEES with ordinary hydraulic oils since when the temperature increases insoluble comp...

Страница 64: ...62 THIS PAGE WAS INTENTIONALLY LEFT EMPTY https tractormanualz com...

Страница 65: ...THE MACHINE AND ITS OPERATIONS 63 https tractormanualz com...

Страница 66: ...functions a SAFETY LOCK 1 for the position of the arm when the machine is subjected to maintenance on the propeller unit and inspection of the hydraulic system equipment and of the auxiliary equipmen...

Страница 67: ...he safety locks concern a Installation of the front bucket swing lock 1 b Locking position of the button inhibiting the front loader control 2 LED on c Installation of the teeth guard 3 RKAB2880 2 1 R...

Страница 68: ...n the central and in the folded position by means of a pin To lock the boom proceed as follows 1 Fold the bucket and arm completely 2 Press the button 1 LED on to raise the safety lock 3 3 Lift the bo...

Страница 69: ...the engine and shift the levers 6 to settle the safety locks 7 Inhibit the movements of the backhoe control levers by shifting the lever 7 to the locking position NOTE q On machines equipped with bac...

Страница 70: ...VIEW 1 Front bucket 2 Bucket dumping cylinder 3 Bucket lifting arm 4 Cab 5 Hydraulic oil tank 6 Rear axle 7 Fuel tank 8 Lifting cylinder 9 Front axle 10 Backhoe bucket cylinder RKAB5630 3 9 8 7 6 10...

Страница 71: ...cylinder 5 Boom cylinder 6 Revolving support 7 Right access platform and tool box 8 Backhoe sliding guides 9 Stabilizers 10 Backhoe locking cylinders 11 Boom swing cylinders 12 Sliding plate RIGHT FO...

Страница 72: ...rol lever 11 Parking brake 12 Hand accelerator 13 Arm and swing control lever Standard version ISO pattern controls Boom and swing control lever On request Komatsu pattern and X pattern controls 14 Bo...

Страница 73: ...Hand accelerator 13 Arm and swing control lever Standard version ISO pattern controls Boom and swing control lever On request only with Pattern Change Komatsu pattern con trols 14 Boom and bucket con...

Страница 74: ...Four wheel drive warning light 9 General alarm warning light 3 Differential locking warning light 10 High beam warning light 4 Parking brake warning light 11 Low beam warning light 5 Transmission oil...

Страница 75: ...comes on when the parking brake is applied 5 TRANSMISSION OIL TEMPERATURE WARNING LIGHT It comes on and activates the acoustic alarm when the trans mission oil exceeds the maximum temperature allowed...

Страница 76: ...e time as the warning light 6 when the hazard flashers are activated see 3 3 2 pos 16 HAZARD FLASHERS 8 LOW OIL PRESSURE OR BRAKING SYSTEM FAIL URE WARNING LIGHT It comes on to indicate that the brake...

Страница 77: ...n when the parking lights are operated with one click of the switch 17 positioned on the side dashboard see 3 3 2 pos 17 PARKING LIGHTS AND LOW BEAM SWITCH 13 DIRECTION SELECTOR DIMMER SWITCH HORN BLI...

Страница 78: ...10 Revolving light warning light 11 Acoustic alarm 12 Servo control locking button 13 Backhoe speed control button 14 Backhoe sliding lock switch 15 Backhoe boom lock switch 16 Hazard flashers 17 Low...

Страница 79: ...e red area indicating that the tem perature is too high the acoustic alarm sends out a continu ous signal the warning light 7 comes on and the general alarm warning light flashes on and off see 3 3 1...

Страница 80: ...he battery is not charged correctly IMPORTANT q If the warning light remains off when the ignition key is turned to position I this means that the alternator is faulty or broken 6 GLOW PLUG PREHEATING...

Страница 81: ...AIR FILTERS 10 REVOLVING LIGHT WARNING LIGHT It comes on when the revolving light is operated by means of the switch positioned on the upper right side of the cab see 3 3 5 pos 2 REVOLVING LIGHT SWITH...

Страница 82: ...oil delivered by the hydraulic pump to be selected Whenever restarted the machine auto matically selects the POWER mode LED on even if when it stopped the selected mode was ECONOMY This position makes...

Страница 83: ...porarily parked stopped on the roadway or in any case in anomalous position 17 PARKING LIGHTS AND LOW BEAM SWITCH This is a two position switch with one click it switches on the parking lights and ins...

Страница 84: ...c safety valves when the load stabilizer system LSS is operated For further information regarding the LSS see 6 11 LOAD STABILIZER SYSTEM LSS Optional 21 LOAD STABILIZER SYSTEM SWITCH LSS if provided...

Страница 85: ...he air delivered by the heater can be ad justed through the knob positioned under the switch Turn the knob clockwise to increase the temperature and counterclock wise to reduce it If the machine is pr...

Страница 86: ...ENTIAL LOCKING PUSH BUTTON This push button must be used with low gears and reduced speed only when it is necessary to make the rear driving wheels integral with each other in case of slipping see 3 3...

Страница 87: ...4 IN1 BUCKET FOLDING PUSH BUTTON 5 FRONT LOADER SPEED CONTROL PUSH BUTTON This button is used to increase the speed of the front loader movements 3 3 4 PUSH BUTTON ON THE GEARSHIFT LEVER 1 DECLUTCH PU...

Страница 88: ...SWITH This switch must be operated when it is necessary to travel on roads and after connecting the light to the outlet installed on the cab roof 3 REAR WORK LIGHT SWITCH This switch enables the rear...

Страница 89: ...n spection lamp when maintenance operations are to be carried out and visibility is scarce and of the emergency light The outlet is powered with the revolving light switch See 3 3 2 pos 13 BACKHOE SPE...

Страница 90: ...d releasing it Always interrupt the pas sage of current before carrying out any operation on the bat tery or the electric system and before carrying out any welding operation on the machine To restore...

Страница 91: ...hift lever 6 Parking brake 7 Hand accelerator 8 Backhoe boom locking button 9 Backhoe sliding lock switch 10 Declutch push button 11 Differential locking push button 12 4in1 bucket opening push button...

Страница 92: ...UMENTS AND CONTROLS 90 16 Left stabilizer control lever 17 Right stabilizer control lever 18 Left backhoe control lever 19 Right backhoe control lever RKAB3130 19 18 RKAB3140 16 17 https tractormanual...

Страница 93: ...king brake 7 Hand accelerator 8 Backhoe boom locking button 9 Backhoe sliding lock switch 10 Declutch push button 11 Differential locking push button 12 4in1 bucket opening push button 13 4in1 bucket...

Страница 94: ...witch 17 Right stabilizer control switch 18 Left backhoe control lever 19 Right backhoe control lever 20 Pattern change control lever if provided and only for the version with servo assisted backhoe R...

Страница 95: ...liance with these rules may cause serious accidents IMPORTANT q Operate the lever only when the engine is running at low speed q The engine can be started only with the lever in neutral position N q I...

Страница 96: ...2 are used individually reduce the speed and keep the bucket as low as possible The pedals must al ways be connected with each other by means of the connec tion pin A when the high gears are engaged a...

Страница 97: ...tor s right and controls the lifting and lowering of the arm and the folding and dumping of the bucket according to the orthog onal movements listed below If the machine is properly equipped the shift...

Страница 98: ...ions are operated at the same time N Neutral A Arm lowering Bucket folding B Arm lowering Bucket dumping C Arm lifting Bucket dumping D Arm lifting Bucket folding IMPORTANT q All movements are inhibit...

Страница 99: ...attended even if tem porarily By means of the lever 5 it is possible to engage one of the four available gears which are arranged according to the dia gram The choice of the gear to be engaged is up t...

Страница 100: ...e parking brake must be released if the machine breaks down and it is necessary to remove it Braking is obtained by pulling the lever completely upwards until the safety device is coupled release is o...

Страница 101: ...iven on the plate C applied inside the right dashboard If possible avoid using the machine with the lever completely pushed for ward since in this way consumption will be considerably in creased and t...

Страница 102: ...tion even when the boom is connect ed to the safety lock To engage the safety lock proceed as follows Fold the arm and the bucket Press the button 8 LED on to raise the safety lock and keep it pressed...

Страница 103: ...sition For further details see 3 3 2 pos 12 SERVO CON TROL LOCKING BUTTON CAUTION q Before starting any operation make sure that the back hoe is fixed on its guides 10 DECLUTCH PUSH BUTTON WARNING q D...

Страница 104: ...3 3 1 pos 3 DIFFERENTIAL LOCKING WARNING LIGHT sig nals that the differential is locked 12 4 IN1 BUCKET OPENING PUSH BUTTON On machines equipped with 4in1 bucket the distributor for the opening of the...

Страница 105: ...travelling downhill since this function re leases the clutch and sets the machine in neutral The push button 15 is used to shift gears when the machine is moving See 3 3 6 pos 5 GEARSHIFT LEVER 16 17...

Страница 106: ...quipment or in any case with the seat rotated by 180 with respect to the regular driving position Remember that the operator is allowed to move the machine only while seated in the correct driving pos...

Страница 107: ...tion Remember that the operator is allowed to move the machine only while seated in the correct driving position with locked seat and fastened safety belt q Before leaving the driver s seat lower the...

Страница 108: ...art work 5 At the end of work lower the equipment to the ground and lock the controls again with button A LED on 6 Before rotating the seat to the driving position shift the joysticks in vertical posi...

Страница 109: ...o the angle of inclination are obtained since the two hydraulic distributors responsible for each single function are operated at the same time LEVER 18 COMBINED MANOEUVRES N Neutral A Arm opening Boo...

Страница 110: ...al to the angle of inclination are obtained since the two hydraulic distributors responsible for each single function are operated at the same time LEVER 18 COMBINED MANOEUVRES N Neutral A Boom loweri...

Страница 111: ...neous movements proportional to the angle of inclination are obtained since the two hydraulic distributors responsible for each single function are operated at the same time LEVER 18 COMBINED MANOEUVR...

Страница 112: ...ern he prefers The pattern change control lever 20 has two positions q Pos 1 ISO PATTERN control system Lever in position B q Pos 2 OPTION PATTERN control system Lever in position C The control lever...

Страница 113: ...ly with engine off and the operator seated in the driving position q Before using the machine make sure that both the steering wheel and the adjusting lever are locked Non compliance with these instru...

Страница 114: ...g to accompany them until they reach the desired posi tions q At the end of digging operations with the backhoe al ways shift both joysticks back to the vertical position 3 ARM SUPPORT ADJUSTING KNOB...

Страница 115: ...arrow B 2 After adjusting both joysticks make sure that their posi tion is within the desired values If an adjustment should be necessary proceed as follows It is also possible to adjust the stroke o...

Страница 116: ...KAB3240 1 RKAB3250 POSITION COLOUR CAPACITY A CIRCUIT INVOLVED F1 Light blue 15 Central front work lights F2 Light blue 15 Central rear work lights F3 Violet 3 Front left and rear right parking light...

Страница 117: ...oader arm floating device solenoid valve return to dig solenoid valve direction indicator F22 Brown 7 5 Servo control locking solenoid valve EC power solenoid valve PPC power supply F23 Red 10 Steerin...

Страница 118: ...0 RKAB3270 K14 K15 RKAB3280 K12 K13 POSITION DESCRIPTION K1 Safety unit against repeated start K2 Blinking K3 Low beam relay K4 High beam relay K5 Front horn relay K6 Return to dig relay K7 Stop light...

Страница 119: ...bles indicate the characteristics and the func tions of the single fuses and relays 3 4 2 1 FUSES 3 4 2 2 RELAYS 1 RKAB4830 1 RKAB4840 2 POSITION COLOUR CAPACITY A CIRCUIT INVOLVED 1 Yellow 20 1st and...

Страница 120: ...the hood lower the equipment to the ground and apply the parking brake q Before carrying out any maintenance operation inside the engine compartment park the machine on firm and flat ground lift the...

Страница 121: ...cy door is not locked The cab s rear window can be opened completely once opened this window must be secured to the upper part of the cab parallel to the roof The side windows can be opened partially...

Страница 122: ...oward the outside of the cab After lifting the lever 3 push its end downwards in order to engage it in the upper coupling pin 5 as shown in Fig ure B If it is necessary to open the rear side windows c...

Страница 123: ...ngaging the lever 3 with the lower 4 or upper 5 coupling pin q When the rear side windows are rotated towards the front of the machine in order to open them completely make sure that they are perfectl...

Страница 124: ...the flows that serve to defrost and defog the front window A radiator having the function to heat the air conveyed into the cab is installed beside the fan this is used in the cold season and receive...

Страница 125: ...ture is particularly high Ventilation and air change are achieved by means of a 3 speed fan which is built in the air conditioning system and as sembled on the outside of the machine under the cab The...

Страница 126: ...min every 5 days max every 15 days q Before operating the air conditioner interrupt the circu lation of hot water in the engine by rotating the valve 9 positioned in the engine compartment clockwise T...

Страница 127: ...cture of the operator The adjustment of the suspension is carried out with the snap lever 3 and can be controlled by observing the position of the indicator 4 The operator must carry out this adjustme...

Страница 128: ...cally adapt to the physical structure of the operator The degree of suspension can be adjusted by rotating the knob 3 and checking the graduated scale on the knob itself The ideal position is reached...

Страница 129: ...position it on the appropriate hole pro vided on the left console 3 5 8 FIRST AID KIT CAUTION q Periodically make sure that the first aid kit contains the necessary disinfectants bandages medicins et...

Страница 130: ...10 STORAGE COMPARTMENT A storage compartment 1 has been obtained on the inner side of the right mudguard and can be reached after opening the door 2 The door is equipped with a lock 3 2 3 RKAB4700 2...

Страница 131: ...nd of the dashboard 11 the condition of the cab windows and the efficiency of lights work lights and direction indicators 10 the effi ciency of the instruments and of the dashboard 3 6 1 2 DAILY CHECK...

Страница 132: ...ed to verify 1 if the safety locks of the front bucket and the backhoe control levers are engaged 2 the hand accelerator idling position 3 the reversing gear neutral position 4 if the gearshift lever...

Страница 133: ...that the gearshift and reversing gear levers are in neutral position A safety device does not allow the machine to be started with engaged gears or selected travel direction The machine is also equipp...

Страница 134: ...ine with a different power source make the electrolyte melt and make sure that it isn t frozen any more and that there are no leaks 1 Turn the key to the preheating position for maximum 15 seconds in...

Страница 135: ...eliminated 3 6 4 HEATING THE HYDRAULIC OIL When warming up the engine especially in the cold season it is advisable to heat also the hydraulic system oil For this purpose when the coolant temperature...

Страница 136: ...sure that the sta bilizers have been raised and that both the front bucket and the backhoe are in transport position The control levers must be in the neutral position N At this point release the park...

Страница 137: ...be per formed even with the machine running straight at very low speed that is with the rear wheels turning at the same speed 3 6 5 2 ENGAGING THE FOUR WHEEL DRIVE WARNING q The four wheel drive must...

Страница 138: ...d out are the following 1 Always check the work area for snow landslips gravel loose ground and anything that may suddenly modify the work conditions and the stability of the machine 2 When it is nece...

Страница 139: ...rking is sufficiently firm If it is necessary to work with the machine immersed in water make sure that the maximum depth does not exceed 50 cm and in any case that the engine cooling fan does not tou...

Страница 140: ...2 Shift the reversing gear lever to position N and apply the parking brake 3 Rest the front bucket and the backhoe bucket onto the ground if this is not possible because the space is insuffi cient th...

Страница 141: ...he reversing gear lever to position N and apply the parking brake 3 Operate the backhoe controls until the bucket teeth are in digging position and thrust them into the ground 4 Press the servo contro...

Страница 142: ...le at a minimum speed of 1200 1300 rpm for about 5 minutes in order to allow it to cool down gradually before stopping it Before stopping the engine proceed as follows 1 Rest the front loader and back...

Страница 143: ...ramps with a maximum inclination of 15 q Remove any trace of oil grease or ice from the ramps and the loading board q Do not change direction when the machine is already on the ramps if necessary go...

Страница 144: ...t the machine must be secured to the vehicle with closed doors and windows 1 Check the overall dimensions of the means of transport the height width and weight of the means of trans port machine inclu...

Страница 145: ...COOLANT WARNING q The coolant containing antifreeze is flammable do not smoke and do not use naked flames during the checks and when preparing the mixture 1 Use only red permanent antifreeze suitable...

Страница 146: ...reverse move ments and operate all the bucket and backhoe cylinders slowly more than once These operations serve to warm up and fluidize the oil in the hydraulic circuit the transmission the axles an...

Страница 147: ...quires only the check of the level and the periodical change of the flu id For the relevant specifications see 4 3 FUEL COOLANT AND LUBRICANTS 2 Make sure that the cooling fan belt is in good conditio...

Страница 148: ...hine is provided with automatic RETURN TO DIG device the horizontal parallel position of the bucket with re spect to the ground is determined by the sensor 3 located on the cylinder and is reached whe...

Страница 149: ...ulic sys tem to accelerate the operations if such device is provid ed Once the device has been connected it lowers the arm completely and at the same time brings the bucket in per pendicular position...

Страница 150: ...f always use gloves goggles and helmet q The change of the equipment must be carried out by two persons who must decide together the words and sig nals to be used during operations q Avoid using your...

Страница 151: ...safety belt before starting any manoeuvre q Always lower the stabilizers before starting any digging operation q Before starting work alert the persons in the vicinity by means of the horn integrated...

Страница 152: ...HOE UNIT SIDEWARDS 2 Remove the boom anti rotation pin introduce it in the apposite hole and release the boom from the safety lock 3 Lower the front bucket 1 to the ground force this movement until li...

Страница 153: ...om 2 against the machine 4 Manoeuvre the bucket 3 and the arm 4 until the bucket teeth are perpendicular to the ground when arm and boom form an angle of approx 90 plant the bucket teeth onto the grou...

Страница 154: ...illing of the bucket and therefore increase productivity 4 The removal depth must be correct and suitable to the type of ground excessive depth may lock the move ments overload the engine and the pump...

Страница 155: ...l connections of the optional equipment 1 Position the bucket on level ground directing it so that the flat part of the bucket back rests on the ground 2 Remove first the tie rod pin 1 and then the ar...

Страница 156: ...ames near the machine Place a container under the machine to gather the fuel and prevent it from spreading around If some fuel should be spilled clean the dirty area immediately IMPORTANT q To protect...

Страница 157: ...nd the lubricants axles reduction gears converter following the indications given in the maintenance instructions 3 Change all the filtering elements air filter engine oil filter hydraulic circuit fil...

Страница 158: ...aring the engine for a long period of in activity 7 Loosen the alternator fan and coolant pump belts 8 Reconnect the fuel pump intake pipe to the fuel tank 9 Seal the exhaust pipe and all the intake a...

Страница 159: ...eding as indicated in paragraph 3 6 2 STARTING THE ENGINE and make sure that the engine oil pressure warning light goes out when the starter has run for approx 5 seconds 10 After starting the engine l...

Страница 160: ...nnot get out using only its motive power or in case of breakdown use a wire rope as shown in the figures on the right IMPORTANT q Before recovering the machine shift the gear lever to neutral disengag...

Страница 161: ...involved part with plenty of water If the acid gets into the eyes immediately rinse with plenty of water and consult a doctor without delay q When working on the battery always wear goggles and gloves...

Страница 162: ...ng aid must have greater capacity or at least the same capacity as the battery of the machine to be started q Make sure that the cables and pliers are neither corroded nor damaged q Make sure that the...

Страница 163: ...Change Starter pinion engages and then disen gages Battery charge insufficient Charge battery Starter makes engine run slowly Battery charge insufficient Faulty starter Charge battery Change Starter...

Страница 164: ...and seat Change Change rings Clean valve carefully Pump delivery insufficient Oil level too low Suction filter clogged Faulty pump Top up Clean filter Change Overheating Damaged rings Faulty pump Oil...

Страница 165: ...cuit Other causes Change Check pipes connections fuel and injection pumps Bleed circuit Contact Dealer Engine overheats Radiator clogged Insufficient tension of water pump and fan belts Low coolant Ai...

Страница 166: ...164 THIS PAGE WAS INTENTIONALLY LEFT EMPTY https tractormanualz com...

Страница 167: ...MAINTENANCE 165 https tractormanualz com...

Страница 168: ...elding 1 Turn the ignition key to position O 2 Disconnect the battery first the negative pole and then the positive pole 3 Disconnect the alternator 4 Do not apply more than 200V continuously 5 Connec...

Страница 169: ...ers coolant gaskets electric wires and batteries are considered special waste and must be col lected and disposed of according to the regulations in force q The combustible material of some components...

Страница 170: ...eck the coolant level in the expansion tank daily and top up when necessary q The coolant containing antifreeze is flammable do not use naked flames near the coolant and do not smoke while topping up...

Страница 171: ...condensate from the drum bottom q If fuel runs out or if the fuel filter has been replaced it is necessary to bleed the circuit 4 2 2 NOTES REGARDING THE HYDRAULIC SYSTEM q Be extremely careful when...

Страница 172: ...f any op tional equipment contact your Komatsu Dealer q If any electric welding operation has to be carried out disconnect the battery and the alternator 4 2 4 NOTES REGARDING LUBRICATION q Lubricatio...

Страница 173: ...SCRIPTION Q ty CHANGE INTERVAL Hydraulic oil drain filter 42N 62 15470 Cartridge 1 EVERY 500 HOURS OF OPERATION Engine oil filter EA504074043 Cartridge 1 Fuel filter EA504073234 Cartridge 1 Converter...

Страница 174: ...F CF2 98 40 Hydraulic system with biodegradable oil see 4 3 1 98 40 Front axle Differential OIL UTTO FLUID 7 7 Final reduction gear ea 0 75 0 75 Rear axle Differ ential and final re duction gears 15 1...

Страница 175: ...uit in the transmission in the axles and in the brakes First filling quantity total quantity of oil including the oil for the components and pipes Oil change quantity quantity of oil necessary to fill...

Страница 176: ...the engine the trans mission the braking system etc q Before introducing biodegradable oil in the hydraulic system empty the system completely disconnect ing the cylinders and all the parts that may c...

Страница 177: ...table is not valid for screws or nuts that must fasten parts made of nylon or similar materials onto washers or components made of nylon or nonferrous metals or requiring specific driving torques RYA0...

Страница 178: ...upport screws Rear support screws 20 4 1 20 4 1 200 9 8 200 9 8 Wheels Front Rear 28 5 1 51 1 280 9 8 500 9 8 Front bucket Teeth 16 1 157 9 8 Backhoe bucket Central teeth Side teeth 16 1 16 1 157 9 8...

Страница 179: ...cant to be used is indicated in the lubricant chart see 4 3 FUEL COOLANT AND LU BRICANTS 19 1 2 3 4 5 6 7 10 19 9 8 11 12 13 14 15 17 12 13 14 15 16 17 18 10 11 500h check change 17 1 2 12 3 4 5 6 7 8...

Страница 180: ...N DIAGRAM q The points indicated are symmetrical and must be lubricated every 10 hours of operation q The fork sliding bars and the safety pins must be lubricated with grease only to protect them from...

Страница 181: ...AM front bucket quick couplings IMPORTANT q For the other greasing points see 4 5 1 LUBRICATION DIAGRAM q The points indicated are symmetrical and must be lubricated every 10 hours of operation RWAA92...

Страница 182: ...LUBRICATION 180 4 5 4 LUBRICATION DIAGRAM offset device IMPORTANT q For the other greasing points see 4 5 1 LUBRICATION DIAGRAM RKA14130 10 h Grease https tractormanualz com...

Страница 183: ...y in case of failures or anomalies even if the time interval prescribed for their change has not elapsed yet If the pipe clamps show signs of deterioration like deformations or cracks change them toge...

Страница 184: ...the spare parts catalogue q When changing pipes always change O rings gaskets and analogous components 4 6 1 1 FUEL SYSTEM No Safety related components that periodically need changing Q ty Change int...

Страница 185: ...83 4 6 1 2 DELIVERY HYDRAULIC SYSTEM No Safety related components that periodically need changing Q ty Change interval 1 Hydraulic pipe Hydraulic pump distributor 1 Every 2 years or 4000 hours whichev...

Страница 186: ...related components that periodically need changing Q ty Change interval 2 Hydraulic pipes Cylinders loader arm 4 Every 2 years or 4000 hours whichever occurs firs 3 Hydraulic pipes Cylinders loader bu...

Страница 187: ...ety related components that periodically need changing Q ty Change interval 5 Hydraulic pipes Cylinder backhoe boom 2 Every 2 years or 4000 hours whichever occurs firs 6 Hydraulic pipes Cylinder backh...

Страница 188: ...NGE OF THE SAFETY RELATED COMPONENTS 186 4 6 1 5 OPERATOR S SAFETY No Safety related components that periodically need changing Q ty Change interval 1 Safety belt 1 Every 4 years 1 RWA31240 https trac...

Страница 189: ...NCE INTERVALS IN CASE OF USE OF THE DEMOLITION HAMMER a CHANGING THE HYDRAULIC OIL FILTER 198 b CHANGING THE HYDRAULIC OIL 198 CHECKS TO BE CARRIED OUT BEFORE STARTING THE ENGINE a VARIOUS CHECKS 199...

Страница 190: ...INE OIL FILTER 214 c CHANGING THE HYDRAULIC SYSTEM OIL FILTER 214 d CHANGING THE FUEL FILTER 217 e DRAINING THE FUEL TANK 218 f DRAINING THE HYDRAULIC OIL TANK only for machines in which synthetic bio...

Страница 191: ...ee 3 5 1 ENGINE HOOD To clean the primary element proceed as follows 1 Release the safety retainer 1 moving it toward the outside 2 Turn the cover 2 counterclockwise by approximately 12 5 3 Lift the c...

Страница 192: ...e that all the filter components are perfectly secured 4 Push the safety lock 1 towards the inside 4 8 1 b CHECKING AND CLEANING THE CAB AIR FILTER WARNING q Wear safety goggles during the cleaning op...

Страница 193: ...to the suction duct 4 Put back the filtering element 3 the container of the storage compartment 2 and close the door 1 IMPORTANT q If the filtering element is excessively clogged or damaged change it...

Страница 194: ...use see 4 3 FUEL COOLANT AND LUBRICANTS CAUTION q Inject grease until all the residual old grease has come out q After lubrication remove all the grease that has come out and clean the area 4 8 1 g F...

Страница 195: ...eaches the maximum level 5 Press the left brake pedal thoroughly and keeping it pressed loosen the drain screw 1 of the corresponding brake until the pedal reaches the end of stroke Use a 13 mm wrench...

Страница 196: ...the conditions of the articulated heads 3 if a consid erable slack is observed change them immediately 4 8 1 j CHECKING THE BRAKING EFFICIENCY IMPORTANT q During running in check the braking efficienc...

Страница 197: ...n the machine in travel position on a straight road section and proceed up the slope with 20 gradient 3 Stop the machine with the service brake shift the reversing gear lever 1 to the neutral position...

Страница 198: ...n this position Use a 22 mm wrench 4 8 1 m ADJUSTING THE AUTOMATIC RETURN TO DIG DEVICE OF THE FRONT BUCKET if installed The device for the automatic return of the front bucket to the dig ging positio...

Страница 199: ...tween 0 5 and 1 0 mm If the slack exceeds the values indicated loosen the screws 3 remove the adjusting plate 4 and remove one or more washers 5 from both the adjusting points according to the needs O...

Страница 200: ...iven in the table on the right If the machine contains synthetic biodegradable oil type HEES the filter must be changed after the first 50 hours of operation 4 8 2 b CHANGING THE HYDRAULIC OIL Change...

Страница 201: ...warning plates 8 Make sure that the ladders and handles used to reach the driver s seat and the inside of the cab are clean 4 8 3 b CHECKING THE COOLANT LEVEL WARNING q Do not remove the radiator cap...

Страница 202: ...e filler cap 2 thoroughly and lock it 4 8 3 d CHECKING THE ENGINE OIL LEVEL WARNING q Soon after the machine has been stopped the engine is very hot and may cause burns let the engine cool down before...

Страница 203: ...ND LUBRI CANTS and 4 5 1 LUBRICATION DIAGRAM IMPORTANT q As a general rule it is important to consider that each cylinder is provided with two grease nipples posi tioned on the couplings and that each...

Страница 204: ...cylinder base pin 1 point 6 Bucket cylinder base pin 1 point 7 Telescopic arm extension cylinder head pin 1 point 8 Bucket cylinder head and lever tie rod coupling pin 3 points 9 Tie rod bucket coupl...

Страница 205: ...If it is necessary to top up stop the engine and eliminate the residual pressure from the equipment circuits by mov ing the controls more than once and from the tank by slowly loosening the filler ca...

Страница 206: ...make sure that there are no air leakages from the pipe that con nects the radiator to the expansion tank If the problem persists contact your Komatsu Dealer 4 8 6 c CHECKING THE BRAKING SYSTEM OIL LEV...

Страница 207: ...se nipples by applying the grease pump filled with the prescribed grease See 4 3 FUEL COOLANT AND LUBRICANTS and 4 5 1 LU BRICATION DIAGRAM Once the lubrication procedure has been carried out make sur...

Страница 208: ...ION DIAGRAM Once the lubrication procedure has been carried out remove the contaminated grease that may have spread out of the joints and of the central coupling 4 8 6 f CHECKING THE TYRE PRESSURE WAR...

Страница 209: ...be car ried out with full tank in order to prevent air from entering the fuel circuit The condensate must be drained at the end of work before the engine has completely cooled down in order to preven...

Страница 210: ...d 4 8 11 MAINTENANCE EVERY 1000 HOURS OF OPERATION For checks and adjustments contact your Komatsu Dealer 4 8 8 MAINTENANCE EVERY 250 HOURS OF OPERATION Carry out the following operations together wit...

Страница 211: ...e of the section between the compressor 2 and the pulley 3 If the pressure exerted is approximately 10 kg the resulting de flection must be approx 5 6 mm When the belt is new the resulting deflection...

Страница 212: ...n each cell must be about 6 mm above the plate edge if necessary remove the cell caps and top up using exclusively distilled water If on the contrary the level is low because some fluid has been spill...

Страница 213: ...ch is indispensable for an accurate check This a visual check and serves to verify if the lubricant reaches the hole 2 if necessary top up using the prescribed oil see 4 3 FUEL COOLANT AND LUBRICANTS...

Страница 214: ...nning temperature The oil must always reach the maximum level or be very near it Top up through the opening used for the dipstick 1 using the prescribed oil see 4 3 FUEL COOLANT AND LUBRICANTS 4 8 8 g...

Страница 215: ...ange will make the ground slippery therefore use anti slip shoes and im mediately remove any trace of oil from the floor q Oils filters the coolant and the battery are considered spe cial waste and mu...

Страница 216: ...s against the seal 4 Give another half turn by hand Start the engine make sure that there are no leakages and that the low oil pressure warning light goes out IMPORTANT q Do not use the wrench to lock...

Страница 217: ...elease any residual pres sure 4 Remove the cap 5 and gather the oil that flows out approx 1 2 litre Use a 19 mm socket wrench 5 Remove the filter housing 6 and collect the residual oil from the inside...

Страница 218: ...sed for simple digging operations On new machines change the filter after the first 100 150 hours of operation and for the successive changes keep to the indications given in the table on the right 0...

Страница 219: ...rew thoroughly until the filter rests against the seal 4 Give another half turn by hand 5 Bleed the fuel circuit BLEEDING THE CIRCUIT After refuelling proceed as follows 1 Turn the ignition key to pos...

Страница 220: ...el on the indicator is above the reserve mark Its pur pose is to let out any impurity and condensate that may have accumulated in the fuel tank without let ting air into the engine fuel supply lines 1...

Страница 221: ...ted and dis posed of according to the regulations in force This operation serves to let the condensate accumulated on the tank bottom flow out of the tank itself for this purpose carry out the followi...

Страница 222: ...pecific detergents available on the market can certainly be used provided that the instructions given on the package are fol lowed and that the washed parts are carefully dried After washing put back...

Страница 223: ...the specific products available on the market can certainly be used provided that the instructions given on the package are fol lowed and that the washed parts are carefully dried IMPORTANT q Do not u...

Страница 224: ...let the used oil flow out com pletely gathering it into a container with suitable capacity While the oil flows out remove the plug 1 Use a 17 mm wrench 2 Once the oil has been drained put back the dr...

Страница 225: ...out completely gathering it into a container with suitable capacity While the oil flows out remove the level plug 1 Use a 1 2 square wrench 2 Remove the plug 3 of each reduction gear and gather the us...

Страница 226: ...hange also the filter see 4 8 11 d CHANGING THE HYDRAULIC TRANSMISSION OIL FILTER Proceed as follows 1 With the machine at operating temperature stop the engine open the engine hood see 3 5 1 ENGINE H...

Страница 227: ...t 250 hours of operation and successively eve ry 1000 hours Carry out this operation whenever the transmission oil is changed Proceed as follows 1 Raise the front mat and remove the cover 1 Use a 13 m...

Страница 228: ...lant and the battery are considered spe cial waste and must be collected and disposed of accord ing to the regulations in force 1 Open the engine hood see 3 5 1 ENGINE HOOD and slowly loosen the fille...

Страница 229: ...h piston move several times in order to bleed the system Stop the machine in maintenance position check the oil level again and top up if necessary Always use oil of the prescribed type see 4 3 FUEL C...

Страница 230: ...force IMPORTANT q The change of the permanent coolant does not require any washing cycle to descale the circuit 1 Open the engine hood see 3 5 1 ENGINE HOOD 2 Loosen and remove the upper cap 1 of the...

Страница 231: ...ut with the machine positioned on level ground and parking brake applied Drain the oil and wash the system proceeding as follows 1 Apply a small pipe for the collection of the oil to the drain screws...

Страница 232: ...stem is very dangerous If it is sprayed into the eyes or in case of contact with the skin it may cause blindness or frostbite To avoid any explosion do not gener ate sparks and do not use naked flames...

Страница 233: ...AND DAMPING ELEMENTS This procedure must be carried out by qualified personnel Have this operation performed by your Komatsu Deal er 4 8 13 b CHECKING AND ADJUSTING THE ENGINE VALVE CLEARANCE AND THE...

Страница 234: ...he regulations in force q Have the dewatering filter changed only by specialized personnel and for this purpose contact your Ko matsu Dealer The filter 1 must be changed every 4000 hours of operation...

Страница 235: ...TECHNICAL SPECIFICATIONS 233 https tractormanualz com...

Страница 236: ...1 STANDARD OVERALL DIMENSIONS 5 1 1 1 OVERALL DIMENSIONS WITH STANDARD ARM 5 1 1 2 OVERALL DIMENSIONS WITH TELESCOPIC ARM 2190 2175 6035 1670 2900 200 3650 2340 RKA14270 2340 200 2900 3880 RKA14280 21...

Страница 237: ...D104E 3 Maximum power 2200 rpm EEC 80 1269 kW 74 Maximum torque 1400 100 rpm EEC 80 1269 Nm 398 ELECTRICAL SYSTEM Alternator 12V Electrical output 95 A Grounding negative Battery 160 12V Starter kW 3...

Страница 238: ...r 2 70 365 70 R18 SPT9 Dunlop bar 3 75 320 80 R18 IT530 134A8 Good Year bar 3 20 REAR TYRES SIZE MAKE INFLATION PRESSURE Recommended 16 9 28 PR10 Good Year Mitas Ecomega bar 2 20 16 9 28 PR12 Mitas Ec...

Страница 239: ...d on firm and flat ground 5 1 3 1 SYMBOL TABLE A Standard arm length L 1900 mm B Telescopic arm completely retracted C Telescopic arm completely extended D Standard operating weight E Standard backhoe...

Страница 240: ...0 1 m 24 5 MPa 245 Bar W 600 mm 160 Kg 7460 Kg D F E G A B C W 990 990 990 725 990 990 990 700 990 990 990 680 990 990 990 650 990 990 990 550 990 990 990 530 990 990 990 500 990 990 990 475 990 990 8...

Страница 241: ...TECHNICAL DATA 239 5 1 3 3 LIFTING CAPACITIES TELESCOPIC ARM https tractormanualz com...

Страница 242: ...240 THIS PAGE WAS INTENTIONALLY LEFT EMPTY https tractormanualz com...

Страница 243: ...AUTHORISED OPTIONAL EQUIPMENT 241 https tractormanualz com...

Страница 244: ...eclines any responsibility for accidents or damage WARNING q When removing or installing any equipment take the following precautions and be careful to ensure that operations are carried out in total...

Страница 245: ...he machine If it is necessary to travel up or down a slope proceed very carefully since the machine may lose its bal ance and overturn q When work equipment with overall dimensions exceeding those of...

Страница 246: ...mped on the forks see 6 4 PAL LET FORKS a Measure referred to the equipment diameter e Measure referred to the equipment length EQUIPMENT MAX WEIGHT kg MAX DIMENSIONS MAX ISO CAPACITY m3 MAX OPERATING...

Страница 247: ...o withdraw the coupling pins completely 2 Start the machine and position the equipment carrier 2 perpendicular to the equipment to be installed 3 Using the bucket control lever 3 position the fixed ro...

Страница 248: ...eding as follows 1 Turn the ignition key to position 2 Press the servo control locking button and make sure that the LED is off release position see 3 3 2 pos 12 SERVO CONTROL LOCKING BUTTON 3 Operate...

Страница 249: ...two hydraulic cylinders 1 controlled by an additional distribu tor The opening and folding of the bucket are controlled via two push buttons 5 and 6 positioned on the loader control lever 7 which als...

Страница 250: ...elimi nate the residual pressure from the hydraulic circuits by proceeding as follows 1 Turn the ignition key to position 2 Press the servo control locking button and make sure that the LED is off re...

Страница 251: ...ng on high surfaces by opening the bucket instead of overturning it vertical unloading 3 Handling logs branches etc with the grapple function opening and closing by using the teeth provided on the mob...

Страница 252: ...The allowed load is generally stamped on the forks 6 4 1 DESCRIPTION They are usually applied to the 4in1 bucket and when they are not used they must be overturned towards the back of the machine and...

Страница 253: ...before lifting the load move the forks in such a way as to lift their prongs and there fore prevent the load from slipping DANGER q When the forks are overturned for use or storage be careful to the...

Страница 254: ...rturned in rest position the forks are firmly secured inside their respective sup ports 5 If any slack should be observed between the forks and the safety pin 3 immediately carry out the necessary adj...

Страница 255: ...and remove the screws 9 that fasten the slide bar 2 4 Hold one of the supports 8 and withdraw the slide bar 2 repeat the same operation for the other support 6 4 5 INSTALLING THE FORKS To install the...

Страница 256: ...ovements of the levers described in 3 3 6 1 pos 18 19 BACKHOE CONTROL LE VERS version with mechanical controls remain unchanged The movements of the telescopic arm are as follows 1 Extension of the ar...

Страница 257: ...ust be posi tioned as shown in Fig B 6 5 3 USING THE TELESCOPIC ARM WARNING q Before releasing and extending the arm make sure that the stabilizers rest on firm ground q If possible work with the back...

Страница 258: ...key q Adjust the screws and guides one by one q Do not place tools in the space between the safety locks and the arm 1 Position the machine on flat ground and lower the stabiliz ers 2 Lift the boom f...

Страница 259: ...turn and lock them with the lock nuts 10 8 Start the machine extend and retract the telescopic arm more than once to make sure that it slides correctly CAUTION q The wear limit allowed for the rubber...

Страница 260: ...ssurized oil is conveyed into the cir cuit when the pedal is released the oil flow is interrupted and therefore the hammer stops 6 6 1 2 CONTROL version with servo assisted backhoe In the version with...

Страница 261: ...1 Make sure that the position of the hammer with respect to the material to be broken is as perpendicular as possible and that the arm thrust is sufficient so that all the power of the hammer can be...

Страница 262: ...t the hitting position of the hammer by means of the bucket and arm control 5 Always make sure that the arm thrust is optimal in order to avoid harmful and useless strokes IMPORTANT q During work do n...

Страница 263: ...WAYS AVOID THE FOLLOWING INCORRECT USES 1 Gathering or moving stones with the demolition hammer 2 Rotating the upper structure while using the hammer 3 Moving the tool while it is hitting the material...

Страница 264: ...ion or even with greater inclination 5 Levering with the tool after driving it into the material to be broken 6 Hitting the ground with the hammer bit 7 Lifting the machine by levering on the hammer b...

Страница 265: ...or der to prevent the surface from getting slippery For the installation of the demolition hammer it is necessary to connect the mechanical constraints of the backhoe bucket as described in 3 13 4 1 C...

Страница 266: ...em 5 Start the machine and raise the demolition hammer posi tioning it vertically 6 Stop the machine again and lubricate the joints see 4 5 1 LUBRICATION DIAGRAM and the hammer see the specific operat...

Страница 267: ...ets WARNING q Make sure that the plugs are properly tightened and that there are no leakages if the circuit is inadvert ently pressurized small leakages can be turned into thin jets that may perforate...

Страница 268: ...fset device is an integral part of the boom 3 and makes it possible to carry out digging operations beyond the machine outline If the offset device is in neutral position the boom can be used as a sta...

Страница 269: ...he movements of the arm are as follows 1 Swing to the left obtained by pressing the push button 7 when the button is released the arm stops 2 Swing to the right obtained by pressing the push button 8...

Страница 270: ...l 1 is pressed with the heel oil is deliv ered to the left side of the circuit and discharged from the right side of the same The movements of the levers described at point 3 3 6 1 pos 18 19 BACKHOE C...

Страница 271: ...y to position CAUTION q During the successive steps take care to prevent any impurities from getting into the circuit q If any oil has been spilled wipe it up immediately in or der to prevent the surf...

Страница 272: ...pening and folding it is possible to use the circuit used for the opening and folding of the standard bucket excluding the control cylinder see 6 9 2 INSTALLING THE CLAM SHELL BUCKET 6 9 1 1 CONTROL v...

Страница 273: ...the standard bucket is used also for opening and closing the clamshell bucket ex cluding the control cylinder See 3 3 6 1 pos 18 19 BACKHOE CONTROL LEVERS version with servo controls and 6 9 2 INSTAL...

Страница 274: ...standard bucket from the backhoe see 3 13 4 1 CHANGING THE BACKHOE BUCKET 2 Retract the bucket control piston completely 3 Connect the clamshell bucket to the arm 4 Stop the machine and move the contr...

Страница 275: ...opening and folding of the clamshell bucket 8 Remove the plugs from the rigid pipes of the system and connect the pipes 9 Start the machine and lift the clamshell bucket a few cen trimetres from the...

Страница 276: ...1 and return 2 couplings for the use of a hand hydraulic hammer the connec tion to the machine is made up by two flexible pipes 3 The hammer circuit is separated from the normal circuits of the machi...

Страница 277: ...ition and press the ham mer control push button 4 to release the residual pres sure from the hammer delivery pipe 3 Turn the ignition key to position IMPORTANT q If the machine is equipped with backho...

Страница 278: ...ow the procedure indicated in the previous paragraph 6 10 2 1 CONNECTING THE HAND HAMMER 5 Disconnect the hammer CAUTION q If quick couplings are not provided place sealing plugs with the relevant gas...

Страница 279: ...re that they are disconnected When the operation of the system is not required any longer move the switch back to the neutral position LED off 6 11 1 LOAD STABILIZER SYSTEM LSS ACCUMULATOR CAUTION q I...

Страница 280: ...pec buckets drills hydraulic hammers or other equipment provid that it is authorized by Komatsu If necessary the bucket can be attached to the quick coupling even in reversed position as shown in Fig...

Страница 281: ...bucket Lock the pins 2 and 3 with the relevant safety retainers 4 Clean the pins 2 3 and the bushings carefully before inserting them in the bucket and if necessary grease them slightly 3 Remove the...

Страница 282: ...fety pin 5 with the relevant retainer 6 in the quick coupling 1 6 Store the release lever 9 in the apposite space inside the cab WARNING q Be particularly careful when releasing the equipment from the...

Страница 283: ...https tractormanualz com...

Страница 284: ...2005 KOMATSU UTILITY EUROPE S p A All Rights Reserved Printed in Europe https tractormanualz com...

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