Komatsu WA250-5, WA250PT-5 70001 & Up SEBM033208 (Preview)
COVER
CONTENTS
01 GENERAL
– GENERAL ASSEMBLY DRAWINGS
– SPECIFICATIONS
– WEIGHT TABLE
– LIST OF LUBRICANT AND COOLANT
10 STRUCTURE,FUNCTION AND MAINTENANCE STANDARD
– ENGINE MOUNT AND TRANSFER MOUNT
– DAMPER
– COOLING SYSTEM
– TRANSFER OIL COOLER
– POWER TRAIN
– POWER TRAIN SYSTEM DIAGRAM
– DRIVE SHAFT (PROPELLER SHAFT)
– HST HYDRAULIC PIPING DIAGRAM
– HST PUMP
– HIGH-PRESSURE RELIEF VALVE
– LOW-PRESSURE RELIEF VALVE
– HST CHARGE PUMP
– SPEED-RELATED VALVE (DA VALVE)
– HIGH-PRESSURE CUT-OFF VALVE
– HST MOTOR
– EP SERVO VALVE
– HA SERVO VALVE
– FORWARD-REVERSE SHUTTLE VALVE
– TRANSFER
– CLUTCH SOLENOID VALVE
– AXLE
– DIFFERENTIAL
– LIMITED-SLIP DIFFERENTIAL
– FINAL DRIVE
– AXLE MOUNTING AND CENTER HINGE PIN
– STEERING PIPING
– STEERING COLUMN
– PRIORITY VALVE
– ORBIT-ROLL VALVE
– 2-WAY RESTRICTOR VALVE
– CUSHION VALVE
– STEERING CYLINDER
– EMERGENCY STEERING PIPING
– EMERGENCY STEERING VALVE
– BRAKE PIPING
– BRAKE VALVE
– INCHING VALVE
– CHARGE VALVE
– ACCUMULATOR (FOR BRAKE)
– SLACK ADJUSTER
– BRAKE
– PARKING BRAKE CONTROL
– PARKING BRAKE
– HYDRAULIC PIPING
– HYDRAULIC TANK
– 4-GEAR PUMP UNIT
– ACCUMULATOR (FOR PPC CIRCUIT)
– LOCK VALVE
– BYPASS VALVE
– QUICK COUPLER VALVE
– E.C.S.S. VALVE
– ACCUMULATOR (FOR E.C.S.S.)
– HYDRAULIC PIPING OF COOLING SYSTEM
– COOLING FAN MOTOR
– WORK EQUIPMENT CONTROL VALVE
– WORK EQUIPMENT PPC VALVE
– ATTACHMENT PPC VALVE (IF EQUIPPED)
– WORK EQUIPMENT LINKAGE
– BUCKET
– CONTROL OF BUCKET POSITIONER, BOOM KICK-OUT, AND DUMP SPEED
– WORK EQUIPMENT CYLINDER
– AIR CONDITIONER (IF EQUIPPED)
– MACHINE MONITORING SYSTEM
– MACHINE MONITOR
– LIST OF ITEMS DISPLAYED ON MONITOR
– ELECTRICAL SYSTEM (HST CONTROLLER SYSTEM)
– HST CONTROLLER
– ENGINE START CIRCUIT
– ENGINE STOP CIRCUIT
– PREHEATING CIRCUIT (AUTOMATIC PREHEATING SYSTEM)
– PARKING BRAKE CIRCUIT
– ELECTRONICALLY CONTROLLED SUSPENSION SYSTEM
– SENSORS
20 TESTING AND ADJUSTING
– STANDARD VALUE TABLE FOR ENGINE
– STANDARD VALUE TABLE FOR CHASSIS
– TESTING AND ADJUSTING
— 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,TESTING OPERATING FORCE OF ACCELERATOR PEDAL
— ADJUSTING ENGINE STOP SOLENOID
— ADJUSTING ENGINE SPEED SENSOR
— TESTING AND ADJUSTING AIR CONDITIONER COMPRESSOR BELT TENSION
— MEASURING DIRECTIONAL LEVER
— TESTING AND ADJUSTING HST OIL PRESSURE
— MEASURING CLUTCH CONTROL PRESSURE
— TESTING AND ADJUSTING STEERING WHEEL
— TESTING AND ADJUSTING STEERING OIL PRESSURE
— BLEEDING AIR FROM STEERING CIRCUIT
— TESTING HYDRAULIC FAN
— MEASURING BRAKE PEDAL
— TESTING AND ADJUSTING BRAKE PEDAL LINKAGE
— MEASURING BRAKE PERFORMANCE
— TESTING AND ADJUSTING ACCUMULATOR CHARGE PRESSURE
— MEASURING BRAKE OIL PRESSURE
— MEASURING WEAR OF BRAKE DISC
— BLEEDING AIR FROM BRAKE CIRCUIT
— MEASURING PARKING BRAKE PERFORMANCE
— TESTING AND ADJUSTING PARKING BRAKE LINKAGE
— MEASURING AND ADJUSTING WORK EQUIPMENT CONTROL
— TESTING AND ADJUSTING WORK EQUIPMENT HYDRAULIC PRESSURE
— TESTING AND ADJUSTING WORK EQUIPMENT PPC OIL PRESSURE
— BLEEDING AIR
— RELEASING REMAINING PRESSURE IN HYDRAULIC CIRCUIT
— TESTING AND ADJUSTING BUCKET POSITIONER
— TESTING AND ADJUSTING OF BOOM KICK-OUT
— CHECKING PROXIMITY SWITCH ACTUATION DISPLAY LAMP
— PROCEDURE FOR CHECKING DIODE
— SPECIAL FUNCTIONS OF MACHINE MONITOR
— FLOW OF MODES AND FUNCTIONS
— FAILURE CODE TABLE
— PM CLINIC INSPECTION CHART
– TROUBLESHOOTING
— POINTS TO REMEMBER WHEN TROUBLESHOOTING
— SEQUENCE OF EVENTS IN TROUBLESHOOTING
— PRECAUTIONS WHEN CARRYING OUT MAINTENANCE
— CHECK BEFORE TROUBLESHOOTING
— CATEGORIES,PROCEDURE,AND METHOD OF USING TROUBLESHOOTING CHARTS
— PHENOMENA CONSIDERED TO BE FAILURES AND TROUBLESHOOTING NO.
— CONNECTION TABLE FOR CONNECTOR PIN NUMBERS
— T-ADAPTER TABLE
— CONNECTOR TYPES AND MOUNTING LOCATIONS
— CONNECTOR LAYOUT DRAWING
— TROUBLESHOOTING OF HST CONTROLLER SYSTEM (HST MODE)
— HST CONTROLLER SYSTEM DIAGRAM
— BEFORE TROUBLESHOOTING CODE DISPLAY
— BEFORE TROUBLESHOOTING ELECTRICAL SYSTEM
— INFORMATION CONTAINED IN TROUBLESHOOTING TABLE
— ERROR CODE [989F00] (HST MOTOR PROTECTION CAUTION (00))
— ERROR CODE [DHH1KX] (HST OIL PRESSURE SENSOR INPUT SIGNAL OUTSIDE RANGE (KX))
— ERROR CODE [DLE2LC] (ENGINE REVOLUTION SENSOR REVOLUTION SPEED SIGNAL MISMATCH (LC))
— ERROR CODE [DW26KZ] (MOTOR 2 SOLENOID SYSTEM DISCONTINUITY OR SHORT-CIRCUITING (KZ))
— ERROR CODE [DX19KZ] (MOTOR 1 SOLENOID SYSTEM DISCONTINUITY OR SHORT-CIRCUITING (KZ))
— ERROR CODE [DX20KZ] (CLUTCH SOLENOID SYSTEM DISCONTINUITY OR SHORT-CIRCUITING (KZ))
— TROUBLESHOOTING CODE [HST-1] (DEFECTIVE HST CONTROLLER POWER SOURCE (HST CONTROLLER DOES NOT FUNCTION))
— TROUBLESHOOTING CODE [HST-2] (TRAVEL SPEED DOES NOT SHIFTED)
— TROUBLESHOOTING CODE [HST-3] HST OUTPUT CONTROL (TRACTION CONTROL) CANNOT BE CONTROLLED
— TROUBLESHOOTING CODE [HST-4] (TRAVEL SPEED LIMIT CANNOT BE CHANGED WHEN GEAR SPEED SELECTOR SWITCH IS IN”1ST”POSITION)
— TROUBLESHOOTING CODE [HST-5] (TRAVEL SPEED IS NOT INCREASED)
— TROUBLESHOOTING OF ECSS (ECSS MODE) (IF EQUIPPED)
— RELATED ELECTRICAL CIRCUIT DIAGRAM
— ECSS-1 MALFUNCTION OF ECSS
— TROUBLESHOOTING OF MONITOR SYSTEM (MON MODE)
— MONITOR SYSTEM CIRCUIT DIAGRAM
— BEFORE TROUBLESHOOTING CODE DISPLAY
— BEFORE TROUBLESHOOTING ELECTRICAL SYSTEM
— INFORMATION CONTANED IN TROUBLESHOOTING TABLE
— ERROR CODE [15B0NX] (HST OIL FILTER CLOGGED (NX))
— ERROR CODE [2G42ZG] (DECREASED BRAKE OIL PRESSURE (ZG))
— ERROR CODE [989F00] (HST MOTOR PROTECTION CAUTION (00))
— ERROR CODE [989FN1] (HST OVERRUNNING (N1))
— ERROR CODE [AB00L6] (DEFECTIVE BATTERY CHARGING CIRCUIT (L6))
— ERROR CODE [AB00MA] (DEFECTIVE BATTERY CHARGING CIRCUIT (MA))
— ERROR CODE [B@BAZG] (DEGREASED ENGINE OIL PRESSURE (ZG))
— ERROR CODE [B@BCNS] (ENGINE WATER TEMPERATURE OVERHEATING (NS))
— ERROR CODE [B@BCZK] (ALARM INDICATING LOW COOLANT LEVEL (ZK))
— ERROR CODE [B@C7NS] (AXLE OIL TEMPERATURE OVERHEATING (NS))
— ERROR CODE [B@CRNS] (HST OIL TEMPERATURE OVERHEATING (NS))
— ERROR CODE [D5ZHL6] (STARTING SWITCH”C” (IGN”C”) INPUT FAILURE (L6))
— ERROR CODE [DAF0KT] (CONTROLLER INSIDE FAILURE (KT))
— ERROR CODE [DAJ0KR] (HST CONTROLLER COMMUNICATION FAILURE (KR))
— ERROE CODE [DD15LD] (MONITOR PANEL MODE SELECTOR SWITCH 1 [■] (PANEL SWITCH 1) INPUT ERROR (LD))
— ERROR CODE [DD16LD] (MONITOR PANEL MODE SELECTOR SWITCH 1 [◇] (PANEL SWITCH 2) INPUT ERROR (LD))
— ERROR CODE [DD17LD] (MONITOR PANEL MODE SELECTOR SWITCH 2 [<] (PANEL SWITCH 3) INPUT ERROR (LD))
--- ERROR CODE [DD18LD] (MONITOR PANEL MODE SELECTOR SWITCH 2 [>] (PANEL SWITCH 4) INPUT ERROR (LD))
— ERROR CODE [DDK3KB] (MULTIPLE DIRECTIONAL LEVER FR SIGNAL INPUT (KB))
— ERROR CODE [DDS5L6] (DECREASED STEERING OIL PRESSURE (L6))
— ERROR CODE [DGE2KX] (ENGINE WATER TEMPERATURE (HIGH TEMPERATURE) SENSOR SYSTEM FAILURE (KX))
— ERROR CODE [DGE3L6] (ENGINE WATER TEMPERATURE (LOW TEMPERATURE) SENSOR SYSTEM FAILURE (L6))
— ERROR CODE [DGH1KX] (HST OIL TEMPERATURE SENSOR SYSTEM FAILURE (KX))
— ERROR CODE [DGR4KA] (AXLE OIL TEMPERATURE SENSOR SYSTEM DISCONTINUITY (KA))
— ERROR CODE [DGR4KX] (AXLE OIL TEMPERATURE SENSOR SYSTEM FAILURE (KX))
— ERROR CODE [DHE4L6] (ENGINE OIL PRESSURE SENSOR SYSTEM DISCONTINUITY (L6))
— TROUBLESHOOTING CODE [MON-1] (THE PARKING BRAKE INDICATOR LAMP DOES NOT LIGHT ON)
— TROUBLESHOOTING CODE [MON-2] (THE BRAKE OIL PRESSURE CAUTION LAMP DOES NOT LIGHT ON)
— TROUBLESHOOTING CODE [MON-3] (THE ENGINE WATER TEMPERATURE CAUTION LAMP DOES NOT LIGHT ON, OR AFTER THE ENGINE STARTS, THE ENGINE WATER TEMPERATURE GAUGE DOES NOT RISE.)
— TROUBLESHOOTING CODE [MON-4] (THE HST OIL TEMPERATURE CAUTION LAMP DOES NOT LIGHT ON, OR AFTER THE ENGINE STARTS,THE HST OIL TEMPERATURE GAUGE DOES NOT RISE.)
— TROUBLESHOOTING CODE [MON-5] (THE FUEL LEVEL GAUGE DOES NOT RISE OR DECREASE.)
— TROUBLESHOOTING CODE [MON-6] (THE RADIATOR COOLANT LEVEL CAUTION LAMP DOES NOT LIGHT ON)
— TROUBLESHOOTING CODE [MON-7] (THE STEERING OIL PRESSURE CAUTION LAMP DOES NOT LIGHT ON)
— TROUBLESHOOTING CODE [MON-8] (THE EMERGENCY STEERING OIL PRESSURE INDICATOR LAMP DOES NOT LIGHT ON)
— TROUBLESHOOTING CODE [MON-9] (INPUT FAILURE IN MONITOR PANEL MODE SELECTOR SWITCH 1 [■] (PANEL SWITCH 1))
— TROUBLESHOOTING CODE [MON-10] (INPUT FAILURE IN MONITOR PANEL MODE SELECTOR SWITCH 1 [◇] (PANEL SWITCH 2))
— TROUBLESHOOTING CODE [MON-11] (INPUT FAILURE IN MONITOR PANEL MODE SELECTOR SWITCH 2 [<] (PANEL SWITCH 3))
--- TROUBLESHOOTING CODE [MON-12] (INPUT FAILURE IN MONITOR PANEL MODE SELECTOR SWITCH 2 [>] (PANEL SWITCH 4))
— TROUBLESHOOTING CODE [MON-13] (THE ALARM BUZZER DOES NOT SOUND OR STOP)
— TROUBLESHOOTING CODE [MON-14] THE WIPER DOES NOT FUNCTION
— TROUBLESHOOTING CODE [MON-15] THE LAMPS DO NOT WORK PROPERLY
— TROUBLESHOOTING OF ELECTRICAL SYSTEM (E MODE)
— ELECTRICAL SYSTEM DIAGRAM
— PARKING BRAKE RELATED DIAGRAM
— BEFORE TROUBLESHOOTING ELECTRICAL SYSTEM
— INFORMATION CONTAINED IN TROUBLESHOOTING TABLE
— TROUBLESHOOTING CODE [E-1] (THE ENGINE DOES NOT START)
— TROUBLESHOOTING CODE [E-2] (THE ENGINE DOES NOT STOP)
— TROUBLESHOOTING CODE [E-3] (PREHEATING IS IMPOSSIBLE OR CONSTANT)
— TROUBLESHOOTING CODE [E-4] (THE PARKING BRAKE(MECHANICAL TYPE)DOES NOT FUNCTION)
— TROUBLESHOOTING CODE [E-5] (DEFECTIVE BOOM KICK-OUT FUNCTION AND CANCELLATION)
— TROUBLESHOOTING CODE [E-6] (DEFECTIVE BUCKET POSITIONER FUNCTION AND CANCELLATION)
— TROUBLESHOOTING CODE [E-7] (DEFECTIVE LIFT ARM FLOATING HOLDING FUNCTION AND CANCELLATION)
— TROUBLESHOOTING CODE [E-8] (TRAVEL DIRECTION IS NOT CHANGED NORMALLY)
— TROUBLESHOOTING CODE [E-9] (THE WIPER DOES NOT FUNCTION)
— TROUBLESHOOTING CODE [E-10] (THE WINDOW WASHER DOES NOT FUNCTION)
— TROUBLESHOOTING CODE [E-11] (LAMPS DO NOT WORK PROPERLY)
— TROUBLESHOOTING CODE [E-12] (THE HORN DOES NOT SOUND)
— TROUBLESHOOTING CODE [E-13] (DEFECTIVE THE AIR CONDITIONER)
— TROUBLESHOOTING OF HYDRAULIC,MECHANICAL SYSTEM (H MODE)
— METHOD OF USING TROUBLESHOOTING CHART
— FAILURE CODE AND CAUSE TABLE
— H-1 THE MACHINE DOES NOT START
— H-2 THE TRAVEL SPEED IS SLOW
— H-3 THE THRUSTING FORCE IS WEAK
— H-4 ENGINE STALLS WHEN TRAVELING OR ENGINE SPEED DROPS EXCESSIVELY
— H-5 THE GEAR IS NOT SHIFTED
— H-6 THE STEERING WHEEL DOES NOT TURN
— H-7 THE STEERING WHEEL IS HEAVY
— H-8 STEERING WHEEL SHAKES OR JERKS
— H-9 MACHINE DEVIATES NATURALLY TO ONE SIDE WHEN TRAVELING
— H-10 THE BRAKE DOES NOT WORK OR DOES NOT WORK WELL
— H-11 THE BRAKE IS NOT RELEASED OR IS DRAGGED
— H-12 THE LIFT ARM DOES NOT RISE OR LOWER
— H-13 THE LIFT ARM MOVES SLOWLY OR THE LIFT ARM RISING FORCE IS INSUFFICIENT
— H-14 WHEN RISING, THE LIFT ARM COMES TO MOVE SLOWLY AT SPECIFIC HEIGHT
— H-15 THE LIFT ARM CYLINDER CANNOT HOLD DOWN THE BUCKET (THE BUCKET RISES IN THE AIR)
— H-16 HYDRAULIC DRIFTS OF THE LIFT ARM OCCUR OFTEN
— H-17 THE LIFT ARM WOBBLES DURING OPERATION
— H-18 WHEN THE CONTROL LEVER IS SWITCHED FROM”HOLD”TO “RAISE”, THE LIFT ARM FALLS TEMPORARILY
— H-19 THE BUCKET DOES NOT TILT BACK
— H-20 THE BUCKET MOVES SLOWLY OR THE TILTING-BACK FORCE IS INSUFFICIENT
— H-21 THE BUCKET COMES TO OPERATE SLOWLY IN HE MIDST OF TILTING-BACK
— H-22 THE BUCKET CYLINDER CANNOT HOLD DOWN THE BUCKET
— H-23 HYDRAULIC DRIFTS OF THE BUCKET OCCUR OFTEN
— H-24 THE BUCKET WOBBLES DURING TRAVEL WITH CARGO(THE WORK EQUIPMENT VALVE IS SET TO”HOLD”)
— H-25 WHEN THE CONTROL LEVER IS SWITCHED FROM”HOLD”TO”TILT”, THE BUCKET FALLS TEMPORARILY
— H-26 THE CONTROL LEVERS OF THE LIFT ARM AND BUCKET DO NOT MOVE SMOOTHLY AND HEAVY
— H-27 THE TRAVEL DAMPER DOES NOT OPERATE AND MACHINE PITCHES AND BOUNCES
— TROUBLESHOOTING OF ENGINE (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 SMOKE COMES OUT (FUEL IS NOT BEING INJECTED)
—- (3) EXHAUST SMOKE 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 OUTPUT (OR LACKS POWER)
— S-7 EXHAUST SMOKE IS BLACK (INCOMPLETE COMBUSTION)
— S-8 OIL CONSUMPTION IS EXCESSIVE (OR EXHAUST SMOKE 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 CAUTION LAMP LIGHTS UP (DROP IN OIL PRESSURE)
— S-13 OIL LEVEL RISES (WATER,FUEL IN OIL)
— S-14 WATER TEMPERATURE BECOMES TOO HIGH (OVERHEATING)
— S-15 ABNORMAL NOISE IS MADE
— S-16 VIBRATION IS EXCESSIVE
30 DISASSEMBLY AND ASSEMBLY
– HOW TO READ THIS MANUAL
— REMOVAL AND INSTALLATION OF ASSEMBLIES
— DISASSEMBLY AND ASSEMBLY OF ASSEMBLIES
– PRECAUTIONS WHEN PERFORMING OPERATION
– SPECIAL TOOL LIST
– SKETCHES OF SPECIAL TOOLS
– REMOVAL, INSTALLATION OF FUEL INJECTION PUMP ASSEMBLY
— SPECIAL TOOLS
— REMOVAL
— INSTALLATION
– REMOVAL, INSTALLATION OF NOZZLE HOLDER ASSEMBLY
— SPECIAL TOOLS
— REMOVAL
— INSTALLATION
– REMOVAL, INSTALLATION OF CYLINDER HEAD ASSEMBLY
— SPECIAL TOOLS
— REMOVAL
— INSTALLATION
– REMOVAL, INSTALLATION OF ENGINE ASSEMBLY
— REMOVAL
— INSTALLATION
– REMOVAL, INSTALLATION OF RADIATOR ASSEMBLY
— REMOVAL
— INSTALLATION
– REMOVAL, INSTALLATION OF AIR AFTERCOOLER
— REMOVAL
— INSTALLATION
– REMOVAL, INSTALLATION OF HYDRAULIC OIL COOLER ASSEMBLY
— REMOVAL
— INSTALLATION
– REMOVAL, INSTALLATION OF COOLING FAN AND FAN MOTOR ASSEMBLY
— REMOVAL
— INSTALLATION
– REMOVAL, INSTALLATION OF FUEL TANK ASSEMBLY
— REMOVAL
— INSTALLATION
– REMOVAL, INSTALLATION OF TRANSFER
— REMOVAL
— INSTALLATION
– DISASSEMBLY, ASSEMBLY OF TRANSFER ASSEMBLY
— SPECIAL TOOLS
— DISASSEMBLY
— ASSEMBLY
– REMOVAL, INSTALLATION OF PARKING BRAKE ASSEMBLY
— REMOVAL
— INSTALLATION
– DISASSEMBLY, ASSEMBLY OF PARKING BRAKE ASSEMBLY
— SPECIAL TOOLS
— DISASSEMBLY
— ASSEMBLY
– REMOVAL, INSTALLATION OF FRONT AXLE ASSEMBLY
— REMOVAL
— INSTALLATION
– REMOVAL, INSTALLATION OF REAR AXLE ASSEMBLY
— REMOVAL
— INSTALLATION
– DISASSEMBLY, ASSEMBLY OF AXLE HOUSING ASSEMBLY
— SPECIAL TOOLS
— DISASSEMBLY
— ASSEMBLY
– DISASSEMBLY, ASSEMBLY OF DIFFERENTIAL ASSEMBLY
— SPECIAL TOOLS
— DISASSEMBLY
— ASSEMBLY
– DISASSEMBLY AND ASSEMBLY OF HST PUMP ASSEMBLY
— SPECIAL TOOLS LIST
— DISASSEMBLY
— ASSEMBLY
– DISASSEMBLY AND ASSEMBLY OF HST MOTOR ASSEMBLY
— SPECIAL TOOLS LIST
— DISASSEMBLY
— ASSEMBLY
– REMOVAL, INSTALLATION OF WORK EQUIPMENT CONTROL VALVE ASSEMBLY
— REMOVAL
— INSTALLATION
– REMOVAL, INSTALLATION OF TRAVEL DAMPER VALVE ASSEMBLY (IF EQUIPPED)
— REMOVAL
— INSTALLATION
– REMOVAL, INSTALLATION OF HYDRAULIC TANK ASSEMBLY
— REMOVAL
— INSTALLATION
– REMOVAL, INSTALLATION OF WORK EQUIPMENT ASSEMBLY
— REMOVAL
— INSTALLATION
– DISASSEMBLY, ASSEMBLY OF HYDRAULIC CYLINDER ASSEMBLY
— SPECIAL TOOLS
— DISASSEMBLY
— ASSEMBLY
– REMOVAL, INSTALLATION OF OPERATOR’S CAB ASSEMBLY
— REMOVAL
— INSTALLATION
– REMOVAL, INSTALLATION OF OPERATOR’S CAB GLASS (STUCK GLASS)
— SPECIAL TOOLS
— REMOVAL
— INSTALLATION
— COATING MATERIALS
– REMOVAL, NSTALLATION OF CENTER HINGE PIN
— REMOVAL
— INSTALLATION
– REMOVAL, INSTALLATION OF COUNTERWEIGHT
— REMOVAL
— INSTALLATION
– REMOVAL, INSTALLATION OF AIR CONDITIONER UNIT ASSEMBLY
— SPECIAL TOOLS
— REMOVAL
— INSTALLATION
– REMOVAL, INSTALLATION OF CONDITIONER COMPRESSOR ASSEMBLY
— SPECIAL TOOLS
— REMOVAL
— INSTALLATION
– REMOVAL, INSTALLATION OF MONITOR PANEL
— REMOVAL
— INSTALLATION
– REMOVAL, INSTALLATION OF HST CONTROLLER ASSEMBLY
— REMOVAL
— INSTALLATION
90 OTHERS
– HYDRAULIC CIRCUIT DIAGRAM WA250-5
– HYDRAULIC CIRCUIT DIAGRAM WA250PT-5
– ELECTRICAL CIRCUIT DIAGRAM 1/4 (1/4) (MACHINES EQUIPPED WITH ROPS CAB)
– ELECTRICAL CIRCUIT DIAGRAM 1/4 (2/4) (MACHINES EQUIPPED WITH ROPS CAB)
– ELECTRICAL CRICUIT DIAGRAM 1/4 (3/4) (MACHINES EQUIPPED WITH ROPS CAB)
– ELECTRICAL CRICUIT DIAGRAM 1/4 (4/4) (MACHINES EQUIPPED WITH ROPS CAB)
– ELECTRICAL CIRCUIT DIAGRAM 2/4 (MACHINES EQUIPPED WITH ROPS CAB)
– ELECTRICAL CIRCUIT DIAGRAM 3/4 (MACHINES EQUIPPED WITH ROPS CAB)
– ELECTRICAL CIRCUIT DIAGRAM 4/4 (MACHINES EQUIPPED WITH ROPS CAB)
– ELECTRICAL CIRCUIT DIAGRAM 1/4 (1/4) (MACHINES EQUIPPED WITH ROPS CANOPY
– ELECTRICAL CIRCUIT DIAGRAM 1/4 (2/4) (MACHINES EQUIPPED WITH ROPS CANOPY)
– ELECTRICAL CIRCUIT DIAGRAM 1/4 (3/4) (MACHINE EQUIPPED WITH ROPS CANOPY)
– ELECTRICAL CIRCUIT DIAGRAM 1/4 (4/4) (MACHINE EQUIPPED WITH ROPS CANOPY)
– ELECTRICAL CIRCUIT DIAGRAM 2/4 (MACHINES EQUIPPED WITH ROPS CANOPY)
– ELECTRICAL CIRCUIT DIAGRAM 3/4 (MACHINES EQUIPPED WITH ROPS CANOPY)
– ELECTRICAL CIRCUIT DIAGRAM 4/4 (MACHINES EQUIPPED WITH ROPS CANOPY)
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