Download

Komatsu WA900-3 avance Wheel Loader Shop Manual (50001 and up) – SEBM013512

Download Ebook


This Complete Service Repair Workshop Manual PDF Download for the Komatsu WA900-3 avance Wheel Loader (SN: 50001 and up) has easy to read text sections with top quality diagrams, pictures and illustrations. The step by step instructions show you how to fault find or complete any repair or overhaul, correctly and efficiently, saving time and avoiding costly mistakes. All specifications and tolerances are listed. Functions of components and systems are also explained.

APPLICABLE MODELS :

Komatsu WA900-3 avance Wheel Loader
Serial Numbers : 50001 and up

TABLE OF CONTENTS :

01 GENERAL
10 STRUCTURE AND FUNCTION
20 TESTING AND ADJUSTING
30 DISASSEMBLY AND ASSEMBLY
40 MAINTENANCE STANDARD
90 OTHERS

MANUAL SPECIFICATION :

File Format : PDF
Language : English
Bookmarked : Yes
Searchable : Yes
Printable : Yes
Product Code : SEBM013512
Total Pages : 1151

This manual has been prepared as an aid to improve the quality of repairs by giving the serviceman an accurate understanding of the product and by showing him the correct way to perform repairs and make judgements. Make sure you understand the contents of this manual and use it to full effect at every opportunity. This is a must for the Do-It-Yourselfer! Saving Yourself $$$$$$ In Service Repair And Maintenance Costs !!!!

This page sometime can be found use following keyword : service manual, repair manual, workshop manual, technical manual, owner manual, operating manual, maintenance manual, parts manual. Please make sure you read and understand the title of this manual before decided to buy.

COVER
CONTENTS

01 GENERAL
GENERAL ASSEMBLY DRAWING
SPECIFICATIONS
WEIGHT TABLE
LIST OF LUBRICANT AND WATER

10 STRUCTURE AND FUNCTION
POWER TRAIN
POWER TRAIN SYSTEM
ENGINE CONTROL
SERVO CYLINDER
RADIATOR AND COOLER
DAMPER
TORQUE CONVERTER AND TRANSMISSION PIPING
TRANSMISSION HYDRAULIC SYSTEM DIAGRAM
TRANSMISSION HYDRAULIC CIRCUIT DIAGRAM
TORQUE CONVERTER
TRANSMISSION
TRANSFER
TRANSMISSION CONTROL VALVE
TORQUE CONVERTOR OIL COOLER
DRIVE SHAFT
CENTER SUPPORT
AXLE
FINAL DRIVE
AXLE MOUNT
CENTER HINGE PIN
TIRE AND WHEEL
STEERING PIPING DIAGRAM
STEERING COLUMN
JOYSTICK LINKAGE
STEERING PUMP
SWITCH PUMP
STEERING DEMAND VALVE
STEERING UNIT (ORBIT-ROLL VALVE)
PROPORTIONAL SOLENOID VALVE
EPC VALVE
ROTARY VALVE
TOW-WAY RESTRICTOR VALVE
DIVERTER VALVE
BRAKE PIPING
BRAKE CIRCUIT DIAGRAM
BRAKE VALVE
CHARGE VALVE
ACCUMULATOR (FOR BRAKE)
SLACK ADJUSTER
BRAKE
PARKING BRAKE
SPRING CYLINDER
PARKING BRAKE SOLENOID VALVE
HYDRAULIC PIPING
WORK EQUIPMENT HYDRAULIC CIRCUIT DIAGRAM
WORK EQUIPMENT LEVER LINKAGE
HYDRAULIC TANK
MAIN PISTON PUMP
ES VALVE (ENGINE SENSING VALVE)
SERVO VALVE
PPC VALVE (PROPORTIONAL PRESSURE VALVE)
PPC RELIEF VALVE
ACCUMULATOR (FOR PPC VALVE)
MAIN CONTROL VALVE
COOLING FAN HYDRAULIC PIPING
COOLING FAN HYDRAULIC CIRCUIT DIAGRAM
PRIORITY VALVE
COOLING FAN MOTOR
LUBRICATION OF WORK EQUIPMENT
WORK EQUIPMENT LINKAGE
BUCKET POSITIONER AND BOOM KICK-OUT
OPERATION OF PROXIMITY SWITCH
CAB
ROPS CANOPY
AIR CONDITIONER
ELECTRIC CIRCUIT DIAGRAM
MACHINE MONITOR SYSTEM
MAIN MONITOR
MAINTENANCE MONITOR
MULTI MONITOR SYSTEM (IF EQUIPPED)
ENGINE STARTING CIRCUIT
ENGINE STOP CIRCUIT
PREHEATING CIRCUIT
ELECTRICAL TRANSMISSION CONTROL
KICK-DOWN, HOLD SWITCH
JOYSTICK STEERING SYSTEM
TRANSMISSION AND JOYSTICK STEERING CONTROLLER
AJSS (ADVANCED JOYSTICK STEERING SYSTEM)
TRANSMISSION AND JOYSTICK STEERING CONTROLLER
ELECTRIC PARKING BRAKE CONTROL
BRAKE COOLING SYSTEM (IF EQUIPPED)
55℃ SPECIFICATION
EMERGENCY ENGINE STOP (FOR RIO TINTO)
HYDRAULIC OIL LEVEL SENSOR (FOR RIO TINTO)
BATTERY AND STARTER ISOLATOR, BATTERY JUMP START (FOR RIO TINTO)

20 TESTING AND ADJUSTING
STANDARD VALUE TABLE FOR ENGINE
STANDARD VALUE TABLE FOR CHASSIS
STANDARD VALUE TABLE FOR ELECTRICAL PARTS
TESTING AND ADJUSTING
TABLE OF TOOLS FOR TESTING, ADJUSTING, AND TROUBLESHOOTING
MEASURING ENGINE SPEED
MEASURING EXHAUST GAS COLOR
ADJUSTING VALVE CLEARANCE
MEASURING COMPRESSION PRESSURE
MEASURING BLOW-BY PRESSURE
TESTING AND ADJUSTING FUEL INJECTION TIMING
MEASURING ENGINE OIL PRESSURE
MEASURING EXHAUST TEMPERATURE
MEASURING AIR SUPPLY PRESSURE (BOOST PRESSURE)
TESTING AND ADJUSTING ALTERNATOR BELT TENSION
TESTING AND ADJUSTING BELT TENSION FOR AIR CONDITIONER COMPRESSOR
MEASURING ACCELERATOR PEDAL OPERATING EFFORT
MEASURING ACCELERATOR PEDAL OPERATING ANGLE
ADJUSTING FUEL CONTROL CABLE, LINKAGE, AND SERVO CYLINDER
ADJUSTING ENGINE STOPPING MOTOR CABLE
TESTING AND ADJUSTING TORQUE CONVERTER AND TRANSMISSION OIL PRESSURE
PROCEDURE FOR OPERATING EMERGENCY STEERING SPOOL WHEN TRANSMISSION VALVE FAILS
TESTING AND ADJUSTING STEERING OIL PRESSURE
TESTING AND ADJUSTING EMERGENCY STEERING OIL PRESSURE
BLEEDING AIR FROM STEERING CIRCUIT
TESTING AND ADJUSTING STEERING STOP VALVE
TESTING AND ADJUSTING STEERING STOPPER BOLT
TESTING AND ADJUSTING STEERING LEVER ANGLE SENSOR AND FRAME ANGLE SENSOR
TESTING WHEEL BRAKE PERFORMANCE
TESTING WHEEL BRAKE OIL PRESSURE DROP
MEASURING WEAR OF WHEEL BRAKE DISC
TESTING AND ADJUSTING ACCUMULATOR CHARGE CUT-IN AND CUT-OUT PRESSURE
BLEEDING AIR FROM WHEEL BRAKE CIRCUIT
TESTING PARKING BRAKE PERFORMANCE
MEASURING PARKING BRAKE SOLENOID OUTPUT PRESSURE
CHECKING AND ADJUSTING PARKING BRAKE PAD
TESTING AND ADJUSTING PPC PRESSURE
ADJUSTING PPC VALVE LINKAGE
TESTING AND ADJUSTING WORK EQUIPMENT HYDRAULIC PRESSURE
BLEEDING AIR FROM PISTON PUMP
BLEEDING AIR FROM WORK EQUIPMENT CIRCUIT
ADJUSTING WORK EQUIPMENT LEVER LINKAGE
RELEASING REMAINING PRESSURE IN HYDRAULIC CIRCUIT
TESTING AND ADJUSTING BUCKET PROXIMITY SWITCH
TESTING AND ADJUSTING BOOM PROXIMITY SWITCH
TESTING PROXIMITY ACTUATION PILOT LAMP
ADJUSTING SPEEDOMETER MODULE OF MAIN MONITOR
ADJUSTING JOYSTICK LEVER POTENTIOMETER
ADJUSTING JOYSTICK LEVER NEUTRAL DETECTION SWITCH
TROUBLESHOOTING
POINTS TO REMEMBER WHEN TROUBLESHOOTING
SEQUENCE OF EVENTS IN TROUBLESHOOTING
POINTS TO REMEMBER WHEN CARRYING OUT MAINTENANCE
CHECKS BEFORE TROUBLESHOOTING
TYPES AND LOCATIONS OF CONNECTORS
CONNECTOR ARRANGEMENT DIAGRAM
WIRING TABLE FOR CONNECTOR PIN NUMBERS
T-ADAPTER BOX AND T-ADAPTER TABLE
EXPLANATION OF FUNCTIONS OF ELECTRIC CONTROL MECHANISM
METHOD OF DISPLAYING ACTION CODE AND FAILURE CODE
CHART OF ACTION CODES AND FAILURE CODES, AND RE-ENACTION
TRANSMISSION CONTROLLER LED DISPLAY
METHOD OF USING JUDGEMENT TABLE
METHOD OF USING TROUBLESHOOTING CHARTS
METHOD OF USING MATRIX TROUBLESHOOTING TABLES
TROUBLESHOOTING OF ENGINE SYSTEM (S MODE)
METHOD OF USING TROUBLESHOOTING CHARTS
S-1 STARTING PERFORMANCE IS POOR (STARTING ALWAYS TAKES TIME)
S-2 ENGINE DOES NOT START
① ENGINE DOES NOT TURN
② ENGINE TURNS BUT NO EXHAUST GAS COMES OUT (FUEL IS NOT BEING INJECTED)
③ EXHAUST GAS COMES OUT BUT ENGINE DOES NOT START (FUEL IS BEING INJECTED)
S-3 ENGINE DOES NOT PICK UP SMOOTHLY (FOLLOW-UP IS POOR)
S-4 ENGINE STOPS DURING OPERATIONS
S-5 ENGINE DOES NOT ROTATE SMOOTHLY (HUNTING)
S-6 ENGINE LACKS UOTPUT (NO POWER)
S-7 EXHAUST GAS IS BLACK (INCOMPLETE COMBUSTION)
S-8 OIL CONSUMPTION IS EXCESSIVE (OR EXHAUST GAS IS BLUE)
S-9 OIL BECOMES CONTAMINATED QUICKLY
S-10 FUEL CONSUMPTION IS EXCESSIVE
S-11 OIL IS IN COOLING WATER, OR WATER SPURTS BACK, OR WATER LEVEL GOES DOWN
S-12 OIL PRESSURE LAMP LIGHTS UP (DROP IN OIL PRESSURE)
S-13 OIL LEVEL RISES
S-14 WATER TEMPERATURE BECOMES TOO HIGH (OVERHEATING)
S-15 ABNORMAL NOISE IS MADE
S-16 VIBRATION IS EXCESSIVE
TROUBLESHOOTING OF TRANSMISSION CONTROL SYSTEM (T MODE)
JUDGEMENT TABLE FOR TRANSMISSION CONTROL SYSTEM RELATED PARTS
ACTION TAKEN BY CONTROLLER WHEN ABNORMALITY OCCURS AND PROBLEMS ON MACHINE
ELECTRICAL CIRCUIT DIAGRAM FOR TRANSMISSION CONTROL SYSTEM
T-1 FAILURE CODE [10] (SHORT CIRCUIT, DISCONNECTION, SHORT CIRCUIT WITH POWER SOURCE IN BACKUP LAMP RELAY) IS DISPLAYED
STEERING WHEEL SPECIFICATION, STEERING WHEEL AND JOYSTICK STEERING SPECIFICATION
T-2 FAILURE CODE [10] (SHORT CIRCUIT, DISCONNECTION, SHORT CIRCUIT WITH POWER SOURCE IN BACKUP LAMP RELAY) IS DISPLAYED
AJSS (ADVANCED JOYSTICK STEERING SYSTEM) SPECIFICATION
T-3 FAILURE CODE [12] (SHORT CIRCUIT, DISCONNECTION, SHORT CIRCUIT WITH POWER SOURCE IN F SOLENOID) IS DISPLAYED
T-4 FAILURE CODE [13] (SHORT CIRCUIT, DISCONNECTION, SHORT CIRCUIT WITH POWER SOURCE IN R SOLENOID) IS DISPLAYED
T-5 FAILURE CODE [14] (SHORT CIRCUIT, DISCONNECTION, SHORT CIRCUIT WITH POWER SOURCE IN 1ST SOLENOID) IS DISPLAYED
T-6 FAILURE CODE [15] (SHORT CIRCUIT, DISCONNECTION, SHORT CIRCUIT WITH POWER SOURCE IN 2ND SOLENOID) IS DISPLAYED
T-7 FAILURE CODE [16] (SHORT CIRCUIT, DISCONNECTION, SHORT CIRCUIT WITH POWER SOURCE IN 3RD SOLENOID) IS DISPLAYEED
T-8 FAILURE CODE [19] (SHORT CIRCUIT, DISCONNECTION IN JOYSTICK DIRECTIONAL SWITCH SYSTEM) IS DISPLAYED
T-9 FAILURE CODE [20] (SHORT CIRCUIT, DISCONNECTION IN DIRECTIONAL SWITCH SYSTEM) IS DISPLAYED
STEERING WHEEL SPECIFICATION, STEERING WHEEL AND JOYSTICK STEERING SPECIFICATION
T-10 FAILURE CODE [20] (SHORT CIRCUIT OR DISCONNECTION IN JOYSTICK DIRECTIONAL SWITCH SYSTEM) IS DISPLAYED
AJSS (ADVANCED JOYSTICK STEERING SYSTEM) SPECIFICATION
T-11 FAILURE CODE [21] (SHORT CIRCUIT, DISCONNECTION IN RANGE SWITCH SYSTEM) IS DISPLAYED
STEERING WHEEL SPECIFICATION, STEERING WHEEL AND JOYSTICK STEERING SPECIFICATION
T-12 FAILURE CODE [21] (SHORT CIRCUIT OR DISCONNECTION IN JOYSTICK SHIFT-UP/SHIFT-DOWN SWITCH SYSTEM) IS DISPLAYED
T-13 FAILURE CODE [22] (DISCONNECTION IN TRAVEL SPEED SENSOR) IS DISPLAYED
T-14 FAILURE CODE [23] (SHORT CIRCUIT, DISCONNECTION IN ENGINE SPEED SENSOR SYSTEM) IS DISPLAYED
T-15 KICKDOWN SWITCH SIGNAL SYSTEM AND HOLD SWITCH SIGNAL SYSTEM
T-16 SHIFT-DOWN SWITCH SIGNAL SYSTEM AND SHIFT-UP SWITCH SIGNAL SYSTEM
T-17 TRANSMISSION CUT-OFF SIGNAL SYSTEM
T-18 NEUTRALIZER SIGNAL SYSTEM
T-19 BUZZER SIGNAL SYSTEM
T-20 NETWORK SYSTEM
T-21 TRANSMISSION CONTROLLER POWER SOURCE SYSTEM
T-22 SHORT CIRCUIT IN TRAVEL SPEED SENSOR SYSTEM
T-23 ABNORMALITY IN MACHINE SELECTION WIRING HARNESS
TROUBLESHOOTING OF MAIN MONITOR SYSTEM (M MODE)
TROUBLE DATA DISPLAY
ELECTRICAL CIRCUIT DIAGRAM FOR MAIN MONITOR SYSTEM
M-1 MAIN MONITOR DOES NOT WORK
M-2 WHEN STARTING SWITCH IS TURNED ON (WITHIN 3 SECONDS) AND ENGINE IS STARTED IMMEDIATELY, ALL LAMPS STAY LIGHTED UP
M-3 SPEEDOMETER DISPLAY DOES NOT WORK PROPERLY
M-4 ABNORMALITY IN SHIFT INDICATOR
a) DISPLAYS N EVEN WHEN DIRECTIONAL LEVER IS AT F
b) DISPLAYS N EVEN WHEN DIRECTIONAL LEVER IS AT R
c) DOES NOT DISPLAY N EVEN WHEN DIRECTIONAL LEVER IS AT N (DISPLAY 1ST-3RD)
d) DOES NOT DISPLAY 1ST EVEN WHEN GEAR SHIFT LEVER IS AT 1ST POSITION (DIRECTIONAL LEVER IS AT F OR R POSITION)
e) DOES NOT DISPLAY 2ND EVEN WHEN GEAR SHIFT IS AT 2ND POSITION (DIRECTION LEVER IS AT F OR R POSITION)
f) DOES NOT DISPLAY 3RD EVEN WHEN THE GEAR SHIFT IS AT 3RD POSITION (DIRECTION LEVER IS AT F OR R POSITION)
M-5 HIGH BEAM DISPLAY DOES NOT LIGHT UP
M-6 TURN SIGNAL DISPLAY DOES NOT LIGHT UP
a) L.H. TURN SIGNAL DISPLAY DOES NOT LIGHT UP
b) R.H. TURN SIGNAL DISPLAY DOES NOT LIGHT UP
M-7 ABNORMALITY IN PARKING DISPLAY
a) PARKING LAMP DISPLAY DOES NOT LIGHT UP
b) PARKING LAMP DISPLAY STAYS LIGHTED UP
M-8 ABNORMALITY IN PREHEATING SYSTEM
a) DOES NOT CARRY OUT PREHEATING
b) ALWAYS CARRIES OUT PREHEATING FOR 45 SECONDS
c) PREHEATING STAYS ON
d) PREHEATING TIME BECOMES SHORTER, OR THERE IS VARIATION
M-9 NIGHT LIGHTING DOES NOT LIGHT UP
M-10 ABNORMALITY IN FRONT WORKING LAMP
a) NEITHER MONITOR DISPLAY NOR FRONT WORKING LAMP LIGHT UP
b) WORKING LAMP LIGHTS UP BUT MONITOR DISPLAY DOES NOT LIGHT UP
c) MONITOR DISPLAY LIGHTS UP BUT FRONT WORKING LAMP DOES NOT LIGHT UP
M-11 ABNORMALITY IN REAR WORKING LAMP
a) NEITHER MONITOR DISPLAY NOR REAR WORKING LAMP LIGHT UP
b) REAR WORKING LAMP LIGHTS UP BUT MONITOR DISPLAY DOES NOT LIGHT UP
c) MONITOR DISPLAY LIGHTS UP BUT REAR WORKING LAMP DOES NOT LIGHT UP
M-12 ABNORMALITY IN TRANSMISSION CUT-OFF
a) WHEN MONITOR SWITCH (TRANSMISSION CUT-OFF SWITCH) IS PRESSED, CUT-OFF FUNCTION IS NOT SWITCHED AND DISPLAY DOES NOT CHANGE
b) WHEN MONITOR SWITCH (TRANSMISSION CUT-OFF SWITCH) IS OFF, MONITOR DISPLAY GOES OUT BUT CUT-OFF FUNCTION IS ACTUATED WHEN PEDAL IS DEPRESSED
c) WHEN MONITOR DISPLAY IS TURNED OFF (TRANSMISSION CUT-OFF SWITCH TURNED OFF), CUT-OFF FUNCTION IS ALWAYS ACTUATED
d) CUT-OFF FUNCTION IS ALWAYS ACTUATED REGARDLESS OF MONITOR DISPLAY (TRANSMISSION CUT-OFF SWITCH ON OR OFF)
e) MONITOR DISPLAY LIGHTS UP (TRANSMISSION CUT-OFF SWITCH TURNED ON), BUT CUT-OFF FUNCTION IS NOT ACTUATED
M-13 ABNORMALITY IN LOW IDLING SELECTION
a) WHEN MONITOR SWITCH (LOW IDLE SELECTOR SWITCH) IS TURNED ON, THE LOW IDLING SPEED DOES NOT RISE AND DISPLAY DOES NOT CHANGE
b) WHEN THE MONITOR SWITCH (LOW IDLE SELECTOR SWITCH) IS TURNED ON, THE MONITOR LIGHTS UP BUT THE LOW IDLING SPEED DOES NOT RISE
c) WHEN THE MONITOR SWITCH (LOW IDLE SELECTOR SWITCH) IS TURNED OFF, THE MONITOR GOES OFF BUT THE LOW IDLING SPEED DOES NOT LOWER
M-14 ABNORMALITY IN EMERGENCY STEERING NORMAL DISPLAY
EMERGENCY STEERING NORMAL DISPLAY DOES NOT LIGHT UP
M-15 ABNORMALITY IN EMERGENCY STEERING ACTUATION DISPLAY
a) EMERGENCY STEERING ACTUATION DISPLAY DOES NOT LIGHT UP
b) EMERGENCY STEERING ACTUATION DISPLAY STAYS LIGHTED UP
M-16 ABNORMALITY IN PARKING BRAKE DRAGGING WARNING
a) WHEN PARKING BRAKE IS APPLIED, BUZZER SOUNDS (INTERMITTENTLY) AND CAUTION LAMP FLASHES EVEN WHEN DIRECTIONAL LEVER IS AT N
b) WHEN PARKING BRAKE IS APPLIED, BUZZER DOES NOT SOUND AND CAUTION LAMP DOES NOT LIGHT UP EVEN WHEN DIRECTIONAL LEVER IS AT POSITION OTHER THAN N
M-17 ABNORMALITY IN PARKING BRAKE DRAGGING WARNING (WHEN JOYSTICK STEERING MODE (OP))
a) WHEN PARKING BRAKE IS APPLIED, BUZZER SOUNDS (INTERMITTENTLY) AND CAUTION LAMP FLASHES EVEN WHEN DIRECTIONAL LEVER IS AT N
b) WHEN PARKING BRAKE IS APPLIED, BUZZER DOES NOT SOUND AND CAUTION LAMP DOES NOT LIGHT UP EVEN WHEN DIRECTIONAL LEVER IS AT POSITION OTHER THAN N
M-18 WHEN PARKING BRAKE DRAGGING WARNING IS GIVEN, BUZZER AND CAUTION LAMP ARE ACTUATED CONTINUOUSLY, OR THEY ARE NOT ACTUATED
a) ACTUATED CONTINUOUSLY
b) NOT ACTUATED
M-19 ABNORMALITY IN BUZZER
a) BUZZER DOES NOT SOUND WHEN STARTING SWITCH IS AT ON (FOR 3 SECONDS) (DURING SELF-CHECK)
b) BUZZER ALWAYS SOUNDS
M-20 CONDITION OF MONITOR SWITCHES IS NOT STORED IN MEMORY
M-21 ABNORMALITY IN FAILURE DISPLAY MODE
a) DOES NOT ENTER FAILURE DISPLAY MODE
b) COUNT FOR TIME ELAPSED SINCE FAILURE DISPLAY MODE DOES NOT ADVANCE
M-22 BUZZER IS NOT MADE TO SOUND BY TRANSMISSION & JOYSTICK STEERING CONTROLLER
M-23 ABNORMALITY IN AUTO-GREASING SYSTEM (OP)
a) FORCED GREASING CANNOT BE CARRIED OUT
b) MONITOR DISPLAY FLASHES RAPIDLY (2 TIMES/SEC)
c) WHEN NO MORE GREASE REMAINS, MONITOR DISPLAY FLASHES RAPIDLY (2 TIMES/SEC)
d) MONITOR DISPLAY FLASHES SLOWLY (1 TIME/SEC) CONFIRM THAT GREASE IS NOT EMPTY
e) MONITOR DISPLAY GOES OUT
M-24 FAILURE CODE IS NOT SENT TO MAIN MONITOR (ABNORMALITY IN NETWORK) (OP)
TROUBLESHOOTING OF MAINTENANCE MONITOR SYSTEM (K MODE)
ELECTRICAL CIRCUIT DIAGRAM FOR MAINTENANCE MONITOR SYSTEM
K-1 WHEN STARTING SWITCH IS TURNED ON, ALL LAMPS ON MAINTENANCE MONITOR DO NOT LIGHT UP FOR 3 SECONDS, MAINTENANCE MONITOR DOES NOT WORK
a) NO LAMPS ON MAINTENANCE MONITOR LIGHT UP
b) SOME LAMPS DO NOT LIGHT UP
K-2 WHEN STARTING SWITCH IS TURNED ON, ALL LAMPS ON MAINTENANCE MONITOR LIGHT UP BUT DO NOT GO OUT (EVEN AFTER 3 SECONDS)
K-3 WHEN ENGINE IS STARTED IMMEDIATELY AFTER STARTING SWITCH IS TURNED ON (WITHIN 3 SECONDS), NO LAMPS ON MAINTENANCE MONITOR GO OUT
K-4 WHEN STARTING SWITCH IS TURNED ON (ENGINE STOPPED), CHECK ITEMS FLASH
a) ENGINE OIL LEVEL DISPLAY FLASHES
b) ENGINE WATER LEVEL DISPLAY FLASHES
K-5 WHEN STARTING SWITCH IS TURNED ON (ENGINE STARTED), CAUTION ITEMS FLASH
a) ENGINE OIL PRESSURE DISPLAY FLASHES
b) BATTERY CHARGE LEVEL DISPLAY FLASHES
c) BRAKE OIL PRESSURE DISPLAY FLASHES
d) AIR CLEANER (R.H.) CLOGGING DISPLAY FLASHES
e) AIR CLEANER (L.H.) CLOGGING DISPLAY FLASHES
f) TRANSMISSION OIL FILTER DISPLAY FLASHES
K-6 CAUTION ITEMS ARE FLASHING BUT BUZZER DOES NOT SOUND
K-7 THERE IS NO ABNORMALITY IN MONITOR DISPLAY BUT CAUTION BUZZER SOUNDS
K-8 CAUTION ITEMS ARE FLASHING BUT NEITHER CHECK LAMP NOR CAUTION LAMP FLASHES
a) CHECK LAMP
b) CAUTION LAMP
K-9 THERE IS NO ABNORMALITY IN MAINTENANCE MONITOR DISPLAY BUT CHECK LAMP OR CAUTION LAMP LIGHTS UP
a) CHECK LAMP
b) CAUTION LAMP
K-10 ONLY NIGHT LIGHTING OF MAINTENANCE MONITOR DOES NOT LIGHT UP WHEN LIGHTING SWITCH IS TURNED ON
K-11 NIGHT LIGHTING LIGHTS UP EVEN WHEN LIGHTING SWITCH IS TURNED OFF
K-12 SERVICE METER DOES NOT WORK
K-13 SERVICE METER IS RUNNING EVEN WHEN ENGINE IS STOPPED
K-14 ABNORMALITY IN GAUGE DISPLAY
a) ABNORMALITY IN FUEL GAUGE
b) ABNORMALITY IN ENGINE WATER TEMPERATURE GAUGE
c) ABNORMALITY IN TORQUE CONVERTER OIL TEMPERATURE GAUGE
TROUBLESHOOTING OF ELECTRICAL SYSTEM (E MODE)
ELECTRICAL CIRCUIT DIAGRAM FOR POWER SUPPLY, ENGINE STARTING, ENGINE STOPPING AND PREHEATING
ELECTRICAL CIRCUIT DIAGRAM FOR PARKING BRAKE
ELECTRICAL CIRCUIT DIAGRAM FOR BOOM KICK-OUT AND BUCKET POSITIONER
E-1 ENGINE DOES NOT START
a) STARTING MOTOR DOES NOT TURN
b) STARTING MOTOR TURNS (STD SPEC.)
E-2 ENGINE DOES NOT STOP (STD SPEC.)
E-3 ENGINE STOPS WHEN MACHINE IS TRAVELING (STD SPEC.)
E-4 ABNORMALITY IN PREHEATING SYSTEM
a) DOES NOT CARRY OUT PREHEATING
b) ALWAYS CARRIES OUT PREHEATING FOR 45 SECONDS
c) PREHEATING STAYS ON
d) PREHEATING TIME BECOMES SHORTER, OR THERE IS FLUCTUATION
E-5 PARKING BRAKE DOES NOT HAVE EFFECT
a) PARKING BRAKE HAS NO EFFECT WHEN PARKING BRAKE SWITCH IS TURNED ON
b) PARKING BRAKE HAS NO EFFECT WHEN BRAKE PRESSURE (ACCUMULATOR PRESSURE) DROPS (DOES NOT WORK AS EMERGENCY BRAKE)
E-6 PARKING BRAKE IS APPLIED WHEN MACHINE IS TRAVELING
E-7 PARKING BRAKE IS RELEASED WHEN STARTING SWITCH IS TURNDED ON
E-8 TRANSMISSION DOES NOT CHANGE TO NEUTRAL WHEN PARKING BRAKE IS APPLIED (BUT PARKING BRAKE WORKS NORMALLY)
E-9 KICK-DOWN SWITCH DOES NOT WORK
a) KICK-DOWN SWITCH DOES NOT WORK EVEN THOUGH GEAR SHIFT WORKS NORMALLY
b) KICK-DOWN CANNOT BE CANCELED
E-10 BOOM KICK-OUT DOES NOT WORK
E-11 ABNORMALITY IN BUCKET POSITIONER FUNCTION
E-12 ABNORMALITY IN LIGHTING UP OF FRONT WORKING LAMP
E-13 ABNORMALITY IN LIGHTING UP OF REAR WORKING LAMP
E-14 ABNORMALITY IN TRANSMISSION CUT-OFF
E-15 ABNORMALITY IN LOW IDLING SELECTION
E-16 ABNORMALITY IN PARKING BRAKE DRAGGING WARNING
E-17 ABNORMALITY IN BUZZER
TROUBLESHOOTING OF HYDRAULIC AND MECHANICAL SYSTEM (H MODE)
H-1 MACHINE DOES NOT MOVE
H-2 MACHINE LACKS POWER OR SPEED (EVERY SPEED RANGE)
H-3 EXCESSIVE TIME LAG WHEN STARTING MACHINE OR SHIFTING GEAR
H-4 TORQUE CONVERTER OIL TEMPERATURE IS HIGH
H-5 STEERING DOES NOT TURN
STEERING WHEEL SPECIFICATION
H-6 STEERING DOES NOT TURN
STEERING WHEEL AND JOYSTICK STEERING SPECIFICATION
H-7 STEERING DOES NOT TURN
AJSS (ADVANCED JOYSTICK STEERING SYSTEM) SPECIFICATION
H-8 TURNING, RESPONSE OF STEERING IS POOR
STEERING WHEEL SPECIFICATION
H-9 TURNING, RESPONSE OF STEERING IS POOR
STEERING WHEEL AND JOYSTICK STEERING SPECIFICATION
H-10 TURNING, RESPONSE OF STEERING IS POOR
AJSS (ADVANCED JOYSTICK STEERING SYSTEM) SPECIFICATION
H-11 STEERING IS HEAVY
STEERING WHEEL SPECIFICATION
H-12 JOYSTICK LEVER IS HEAVY
STEERING WHEEL AND JOYSTICK STEERING SPECIFICATION
H-13 JOYSTICK LEVER IS HEAVY
AJSS (ADVANCED JOYSTICK STEERING SYSTEM) SPECIFICATION
H-14 STEERING WHEEL SHAKES OR JERKS
STEERING WHEEL SPECIFICATION
H-15 STEERING WHEEL SHAKES OR JERKS
STEERING WHEEL AND JOYSTICK STEERING SPECIFICATION
H-16 STEERING WHEEL SHAKES OR JERKS
AJSS (ADVANCED JOYSTICK STEERING SYSTEM) SPECIFICATION
H-17 MINIMUM TURNING RADII TO RIGHT AND LEFT ARE DIFFERENT
STEERING WHEEL SPECIFICATION, STEERING WHEEL AND JOYSTICK STEERING SPECIFICATION
H-18 MINIMUM TURNING RADII TO RIGHT AND LEFT ARE DIFFERENT
AJSS (ADVANCED JOYSTICK STEERING SYSTEM) SPECIFICATION
H-19 WHEEL BRAKES DO NOT WORK OR BRAKING EFFECT IS POOR
H-20 WHEEL BRAKES ARE NOT RELEASED OR BRAKES DRAG
H-21 BOOM DOES NOT RISE
H-22 BOOM MOVES SLOWLY OR DOES NOT HAVE SUFFICIENT LIFTING POWER
H-23 WHEN RAISING BOOM, BECOMES SLOW AT CERTAIN HEIGHT
H-24 BOOM CYLINDER CANNOT HOLD DOWN BUCKET
H-25 BOOM HAS LARGE AMOUNT OF HYDRAULIC DRIFT
H-26 BOOM FLUCTUATES WHILE WORKING
H-27 BOOM DROPS MOMENTARILY WHEN LEVER IS OPERATED FROM HOLD TO RAISE
H-28 BUCKET DOES NOT TILT BACK
H-29 BUCKET MOVES SLOWLY OR HAS INSUFFICIENT TILT BACK POWER
H-30 BUCKET MOVEMENT BECOMES SLOW DURING TILT BACK
H-31 BUCKET CYLINDER CANNOT HOLD DOWN BUCKET
H-32 BUCKET HAS LARGE AMOUNT OF HYDRAULIC DRIFT
H-33 BUCKET FLUCTUATES WHILE TRAVELING UNDER LOAD (WORK EQUIPMENT VALVE “HOLD”)
H-34 BUCKET DUMPS MOMENTARILY WHEN LEVER IS OPERATED FROM HOLD TO TILT
H-35 BOOM AND BUCKET LEVERS DO NOT MOVE SMOOTHLY
TROUBLESHOOTING OF JOYSTICK STEERING CONTROL SYSTEM (J MODE)
JUDGEMENT TABLE FOR JOYSTICK STEERING CONTROL SYSTEM RELATED PARTS
ACTION TAKEN BY CONTROLLER WHEN ABNORMALITY OCCURS AND PROBLEMS ON MACHINE
ELECTRICAL CIRCUIT DIAGRAM FOR JOYSTICK STEERING CONTROL SYSTEM
J-1 FAILURE CODE [56] (SHORT CIRCUIT, DISCONNECTION IN CAUTION RELAY OUTPUT) IS DISPLAYED
J-2 FAILURE CODE [57] (SHORT CIRCUIT IN STEERING RIGHT SOLENOID (DETECTED WHEN SIGNAL IS OUTPUT)) IS DISPLAYED
J-3 FAILURE CODE [58] (SHORT CIRCUIT IN STEERING LEFT SOLENOID (DETECTED WHEN SIGNAL IS OUTPUT)) IS DISPLAYED
J-4 FAILURE CODE [59] (SHORT CIRCUIT IN STEERING RIGHT SOLENOID (POWER SUPPLY SIDE)) IS DISPLAYED
J-5 FAILURE CODE [60] (SHORT CIRCUIT IN STEERING LEFT SOLENOID (POWER SUPPLY SIDE)) IS DISPLAYED
J-6 FAILURE CODE [61] (SHORT CIRCUIT, DISCONNECTION IN STEERING SOLENOID CUT RELAY OUTPUT) IS DISPLAYED
J-7 FAILURE CODE [62] (SHORT CIRCUIT, DISCONNECTION IN JOYSTICK STEERING NEUTRAL CIRCUIT) IS DISPLAYED
J-8 FAILURE CODE [63] (SHORT CIRCUIT, DISCONNECTION IN JOYSTICK STEERING LEVER POTENTIOMETER) IS DISPLAYED
J-9 ABNORMALITY IN POWER SUPPLY, POWER SUPPLY VOLTAGE
J-10 ABNORMALITY IN JOYSTICK STEERING ON-OFF CIRCUIT
J-11 DISCONNECTION IN STEERING RIGHT SOLENOID
J-12 DISCONNECTION IN STEERING LEFT SOLENOID
TROUBLESHOOTING OF AJSS (ADVANCED JOYSTICK STEERING SYSTEM) CONTROL SYSTEM (A MODE)
JUDGEMENT TABLE FOR AJSS (ADVANCED JOYSTICK STEERING SYSTEM) CONTROL SYSTEM
OPERATIONS OF CONTROLLER AGAINST ABNORMALITY AND CONDITIONS OF MACHINE CAUSED BY ABNORMALITY
ELECTRIC CIRCUIT DIAGRAM RELATED TO AJSS (ADVANCED JOYSTICK STEERING SYSTEM) CONTROL
A-1 ERROR CODE [56] (DISCONNECTION OR SHORT CIRCUIT WITH CHASSIS GROUND IN CAUTION BUZZER RELAY SYSTEM) IS DISPLAYED
A-2 ERROR CODE [57] (DISCONNECTION OR SHORT CIRCUIT WITH CHASSIS GROUND IN STEERING LEVER ANGLE SENSOR SYSTEM) IS DISPLAYED
A-3 ERROR CODE [58] (DEVIATION OF STEERING LEVER ANGLE SENSOR AND FRAME ANGLE SENSOR SIGNALS) IS DISPLAYED
A-4 ERROR CODE [59] (DISCONNECTION OR SHORT CIRCUIT WITH CHASSIS GROUND IN FRAME ANGLE SENSOR SYSTEM) IS DISPLAYED
A-5 ERROR CODE [60] (DISCONNECTION OR SHORT CIRCUIT WITH CHASSIS GROUND IN STEERING LEVER LOCK PRESSURE SWITCH SYSTEM) IS DISPLAYED
A-6 ERROR CODE [62] (DISCONNECTION OR SHORT CIRCUIT WITH CHASSIS GROUND IN STEERING NEUTRAL INTERLOCK RELAY SYSTEM) IS DISPLAYED
A-7 ERROR CODE [63] (DISCONNECTION, SHORT CIRCUIT WITH CHASSIS GROUND, OR SHORT CIRCUIT WITH POWER SOURCE IN STEERING MAIN PRESSURE CONTROL EPC SOLENOID SYSTEM) IS DISPLAYED
A-8 STEERING SPEEDS IN BOTH DIRECTIONS ARE DIFFERENT
A-9 ABNORMALITY IN CONSOLE SWITCH (ADJUSTMENT OF STEERING LEVER ANGLE SENSOR AND FRAME ANGLE SENSOR IS IMPOSSIBLE)
A-10 ABNORMALITY IN POWER SOURCE AND VOLTAGE

30 DISASSEMBLY AND ASSEMBLY
HOW TO READ THIS MANUAL
STANDARD TIGHTENING TORQUE TABLE
PRECAUTIONS WHEN CARRYING OUT OPERATION
METHOD OF DISASSEMBLING AND CONNECTING PUSH-PULL TYPE COUPLER
COATING MATERIALS LIST
SPECIAL TOOL LIST
SKETCHES OF SPECIAL TOOLS
STARTING MOTOR
REMOVAL AND INSTALLATION
ALTERNATOR
REMOVAL AND INSTALLATION
ENGINE OIL COOLER
REMOVAL AND INSTALLATION
FUEL INJECTION PUMP FOR LEFT BANK
REMOVAL AND INSTALLATION (WITH GOVERNOR)
FUEL INJECTION PUMP FOR RIGHT BANK
REMOVAL AND INSTALLATION (WHTHOUT GOVERNOR)
WATER PUMP
REMOVAL AND INSTALLATION
NOZZLE HOLDER
REMOVAL AND INSTALLATION
TURBOCHARGER
REMOVAL AND INSTALLATION
ENGINE FRONT SEAL
REMOVAL AND INSTALLATION
ENGINE REAR SEAL
REMOVAL AND INSTALLATION
CYLINDER HEAD
REMOVAL
INSTALLATION
RADIATOR
REMOVAL
INSTALLATION
ENGINE
REMOVAL
INSTALLATION
DAMPER
REMOVAL AND INSTALLATION
DISASSEMBLY
ASSEMBLY
TORQUE CONVERTER AND TRANSMISSION ASSEMBLY
REMOVAL
INSTALLATION
TORQUE CONVERTER
DISASSEMBLY
ASSEMBLY
TORQUE CONVERTER VALVE
DISASSEMBLY AND ASSEMBLY
TRANSMISSION
DISASSEMBLY
ASSEMBLY
TRANSMISSION VALVE
REMOVAL AND INSTALLATION
DISASSEMBLY AND ASSEMBLY
TRANSFER
DISASSEMBLY
ASSEMBLY
PTO
DISASSEMBLY
ASSEMBLY
CENTER SUPPORT
REMOVAL
INSTALLATION
DISASSEMBLY
ASSEMBLY
DRIVE SHAFT
DISASSEMBLY
ASSEMBLY
FRONT AXLE
REMOVAL
INSTALLATION
REAR AXLE
REMOVAL
INSTALLATION
DIFFERENTIAL
REMOVAL
INSTALLATION
DISASSEMBLY
ASSEMBLY
FINAL DRIVE
DISASSEMBLY
ASSEMBLY
ORBIT-ROLL
REMOVAL
INSTALLATION
EMERGENCY STEERING PUMP
REMOVAL AND INSTALLATION
DIVERTER VALVE
REMOVAL AND INSTALLATION
DISASSEMBLY
ASSEMBLY
ACCUMULATOR CHARGE VALVE
REMOVAL AND INSTALLATION
DISASSEMBLY
ASSEMBLY
STEERING STOP VALVE
REMOVAL AND INSTALLATION
STEERING CYLINDER
REMOVAL
INSTALLATION
STEERING VALVE
REMOVAL
INSTALLATION
BRAKE VALVE
REMOVAL AND INSTALLATION
SLACK ADJUSTER
REMOVAL AND INSTALLATION
DISASSEMBLY
ASSEMBLY
BRAKE
REMOVAL AND INSTALLATION
DISASSEMBLY
ASSEMBLY
PARKING BRAKE CALIPERS
REMOVAL AND INSTALLATION
DISASSEMBLY
ASSEMBLY
PARKING BRAKE PAD
REMOVAL AND INSTALLATION
PARKING BRAKE SPRING CYLINDER
REMOVAL AND INSTALLATION
BRAKE OIL TANK
REMOVAL AND INSTALLATION
HYDRAULIC PUMP
REMOVAL
INSTALLATION
SERVO CYLINDER
REMOVAL AND INSTALLATION
HYDRAULIC TANK AND FILTER CASE ASSEMBLY
REMOVAL
INSTALLATION
PPC VALVE
REMOVAL
INSTALLATION
DISASSEMBLY AND ASSEMBLY
WORK EQUIPMENT CONTROL VALVE
REMOVAL
INSTALLATION
DISASSEMBLY
ASSEMBLY
CAB
REMOVAL
INSTALLATION
FLOOR FRAME
REMOVAL
INSTALLATION
CENTER HINGE PIN
REMOVAL
INSTALLATION
WORK EQUIPMENT
REMOVAL
INSTALLATION
BOOM FRONT END BUSH
REPLACEMENT
BUCKET CYLINDER
REMOVAL AND INSTALLATION
LIFT CYLINDER
REMOVAL
INSTALLATION
HYDRAULIC CYLINDER
DISASSEMBLY
ASSEMBLY
AIR CONDITIONER UNIT
REMOVAL
INSTALLATION
AIR CONDITIONER COMPRESSOR
REMOVAL AND INSTALLATION
RECEIVER TANK
REMOVAL AND INSTALLATION
AIR CONDITIONER CONDENSER
REMOVAL AND INSTALLATION
TRANSMISSION AND STEERING CONTROLLER
REMOVAL AND INSTALLATION
MAIN MONITOR
REMOVAL
INSTALLATION
FUEL TANK
REMOVAL
INSTALLATION
COUNTERWEIGHT
REMOVAL AND INSTALLATION

40 MAINTENANCE STANDARD
ENGINE MOUNT
TRANSMISSION MOUNT
DAMPER
TORQUE CONVERTER CHARGING, PPC AND BRAKE PUMP
TORQUE CONVERTER
TORQUE CONVERTER REGULATOR VALVE
TRANSMISSION
TRANSFER
TRANSMISSION CONTROL VALVE
DRIVE SHAFT
CENTER SUPPORT
DIFFERENTIAL
FINAL DRIVE
AXLE MOUNT
CENTER HINGE PIN
STEERING COLUMN
STEERING DEMAND VALVE
DIVERTER VALVE
STEERING CYLINDER MOUNT
EMERGENCY STEERING PUMP
BRAKE VALVE
SLACK ADJUSTER
BRAKE
PARKING BRAKE
PPC VALVE
PPC RELIEF VALVE
STEERING PUMP
SWITCH PUMP
MAIN PISTON PUMP
CONTROL PUMP (BAR025)
COOLING FAN MOTOR
MAIN CONTROL VALVE
HYDRAULIC CYLINDER
BUCKET LINKAGE
BUCKET POSITIONER AND BOOM KICK-OUT
BRAKE COOLING PUMP

90 OTHERS
ELECTRIC CIRCUIT DIAGRAM [1/16]
ELECTRIC CIRCUIT DIAGRAM [2/16]
ELECTRIC CIRCUIT DIAGRAM [3/16]
ELECTRIC CIRCUIT DIAGRAM [4/16]
ELECTRIC CIRCUIT DIAGRAM [5/16]
ELECTRIC CIRCUIT DIAGRAM [6/16]
ELECTRIC CIRCUIT DIAGRAM [7/16]
ELECTRIC CIRCUIT DIAGRAM [8/16]
ELECTRIC CIRCUIT DIAGRAM [9/16]
ELECTRIC CIRCUIT DIAGRAM [10/16]
ELECTRIC CIRCUIT DIAGRAM [11/16]
ELECTRIC CIRCUIT DIAGRAM [12/16]
ELECTRIC CIRCUIT DIAGRAM [13/16]
ELECTRIC CIRCUIT DIAGRAM [14/16]
ELECTRIC CIRCUIT DIAGRAM [15/16]
ELECTRIC CIRCUIT DIAGRAM [16/16]
WITH ELECTRONIC GOVERNOR
TROUBLESHOOTING OF ELECTRONIC GOVERNOR SYSTEM (G MODE)
JUDGEMENT TABLE FOR ENGINE CONTROLLER AND ENGINE RELATED PARTS
ACTION TAKEN BY CONTROLLER AND CONDITION OF MACHINE WHEN ABNORMALITY OCCURS
ACTION TAKEN BY CONTROLLER AND CONDITIONS FOR RESETTING WHEN ABNORMALITY OCCURS
POINTS TO REMEMBER WHEN CARRYING OUT TROUBLESHOOTING OF ENGINE CONTROLLER SYSTEM
JUDGEMENT TABLE FOR ENGINE CONTROLLER
G-1 [90] [OFF OR 10] ABNORMALITY IN POWER SOURCE SYSTEM
G-2 [90] [11] ABNORMALITY IN CONTROLLER SYSTEM
G-3 [90] [21] MISTAKEN CONNECTION OF CONNECTOR
G-4 [90] [56] ABNORMALITY IN RIGHT BANK SOLENOID POWER SOURCE SYSTEM
G-5 [90] [57] ABNORMALITY IN LEFT BANK SOLENOID POWER SOURCE SYSTEM
G-6 [90] [58] ABNORMALITY IN BACK-UP POWER SOURCE SYSTEM
G-7 [90] [59] ABNORMALITY IN SWITCH POWER SOURCE SYSTEM
G-8 [91] [14] ABNORMALITY IN RIGHT BANK GOVERNOR SOLENOID SYSTEM
G-9 [91] [15] ABNORMALITY IN LEFT BANK GOVERNOR SOLENOID SYSTEM
G-10 [91] [16] ABNORMALITY IN RIGHT BANK GOVERNOR CUT RELAY SYSTEM
G-11 [91] [17] ABNORMALITY IN LEFT BANK GOVERNOR CUT RELAY SYSTEM
G-12 [91] [19] ABNORMALITY IN RIGHT BANK GOVERNOR SERVO SYSTEM
G-13 [91] [1A] ABNORMALITY IN LEFT BANK GOVERNOR SERVO SYSTEM
G-14 [91] [1d] ABNORMALITY IN RIGHT BANK PRE-STROKE SOLENOID SYSTEM
G-15 [91] [1E] ABNORMALITY IN LEFT BANK PRE-STROKE SOLENOID SYSTEM
G-16 [92] [12] ABNORMALITY IN RIGHT BANK RACK SENSOR SYSTEM
G-17 [92] [13] ABNORMALITY IN LEFT BANK RACK SENSOR SYSTEM
G-18 [92] [18] ABNORMALITY IN RACK SENSOR POWER SOURCE SYSTEM
G-19 [93] [1b] ABNORMALITY IN ENGINE SPEED SENSOR A SYSTEM
G-20 [94] [1c] ABNORMALITY IN ENGINE SPEED SENSOR B SYSTEM
G-21 [93, 94] [1b, 1c] ABNORMALITY IN ENGINE SPEED SENSOR A, B SYSTEM
G-22 [95] [40] ABNORMALITY IN ENGINE WATER TEMPERATURE SENSOR SYSTEM
G-23 [97] [31] ABNORMALITY IN ACCELERATOR SENSOR SYSTEM
G-24 [98] [18] ABNORMALITY IN MODEL SELECTION
G-25 [99] [22] ENGINE OVERRUN
G-26 ENGINE DOES NOT START
G-27 ENGINE DOES NOT STOP
ELECTRICAL CIRCUIT DIAGRAM (1/5)
ELECTRICAL CIRCUIT DIAGRAM (2/5)
ELECTRICAL CIRCUIT DIAGRAM (3/5)
ELECTRICAL CIRCUIT DIAGRAM (4/5)
ELECTRICAL CIRCUIT DIAGRAM (5/5)

 

Download Ebook

Komatsu WA900-3 avance Wheel Loader Shop Manual (50001 and up) – SEBM013512.pdf

Source : Sitelux.com

Leave a Reply