Komatsu WA180-3 A80001 & Up, WA180L-3 54001 & Up CEBM001102 (Preview)
MAIN MENU
CONTENTS
01 GENERAL
– SPECIFICATION DRAWINGS
– SPECIFICATIONS
– WEIGHT TABLE
– FUEL, COOLANT AND LUBRICANTS
– ENGINE OIL SPECIFICATIONS
– DIESEL FUEL SPECIFICATIONS
– COOLANT SPECIFICATIONS
10 STRUCTURE AND FUNCTION
– POWER TRAIN
– POWER TRAIN SYSTEM
– TORQUE CONVERTER, TRANSMISSION PIPING
– TRANSMISSION HYDRAULIC SYSTEM DIAGRAM
– TRANSMISSION HYDRAULIC CIRCUIT DIAGRAM
– TORQUE CONVERTER
– TORQUE CONVERTER OIL FILTER
– TRANSMISSION
— CLUTCH
— REVERSE CLUTCH
— FORWARD, 2ND CLUTCH
— 3RD, 4TH CLUTCH
— FORWARD 1ST
— FORWARD 2ND
— FORWARD 3RD
— FORWARD 4TH
— REVERSE 1ST
– TRANSMISSION CONTROL VALVE
— UPPER VALVE
— LOWER VALVE
— TRANSMISSION SOLENOID VALVE
— TORQUE CONVERTER OUTLET PORT VALVE
— PILOT REDUCING VALVE
— TRANSMISSION SOLENOID VALVE
— PRIORITY VALVE
— MAIN REGULATOR VALVE
— QUICK RETURN VALVE
— MODULATION FILL VALVE
— DIRECTIONAL SELECTOR SPOOL
— EMERGENCY MANUAL SPOOL
— OPERATION OF FORWARD 1ST
— ACCUMULATOR VALVE
– TRANSMISSION CONTROL
– DRIVE SHAFT
– AXLE
— FRONT AXLE
— FRONT DIFFERENTIAL
— REAR AXLE
— REAR DIFFERENTIAL
— TORQUE PROPORTIONING DIFFERENTIAL
– FINAL DRIVE
– AXLE MOUNT
– CENTER HINGE PIN
– STEERING PIPING
– STEERING COLUMN
– PRIORITY VALVE
– CUSHION VALVE
– STEERING VALVE (ORBIT-ROLL)
— OPERATION
— 1.Steering wheel at neutral.
— 2.Steering wheel turned (turning to left)
— CONNECTION BETWEEN HAND PUMP AND SLEEVE
– BRAKE PIPING
— BRAKE CONTROL
— BRAKE BOOSTER
— BRAKE
— PARKING BRAKE CONTROL
— PARKING BRAKE
— HYDRAULIC PIPING
— WORK EQUIPMENT HYDRAULIC SYSTEM DIAGRAM
— WORK EQUIPMENT HYDRAULIC CIRCUIT DIAGRAM
– HYDRAULIC TANK
— OIL FILTER BYPASS VALVE
— BREATHER
– MAIN CONTROL VALVE
— 2-SPOOL VALVE
— 3-SPOOL VALVE
— RELIEF VALVE
— SAFETY VALVE (WITH SUCTION)
— SUCTION VALVE
— Boom and bucket spool at NEUTRAL position
— Boom spool at RAISE position
— Boom spool at LOWER position
— Boom spool at FLOAT position
— Bucket spool at TILT BACK position
— Bucket spool at DUMP position
– WORK EQUIPMENT LEVER LINKAGE
— WORK EQUIPMENT LINKAGE
— BUCKET
– BUCKET POSITIONER AND BOOM KICK-OUT
— BUCKET POSITIONER
— BOOM KICK-OUT
– PROXIMITY SWITCH
— OPERATION OF THE PROXIMITY SWITCH
— Bucket TILT BACK switch
— Boom RAISE switch
— ACTION OF THE PROXIMITY SWITCH
– ROPS CAB
– AIR CONDITIONER
— AIR CONDITIONER AND HEATER PIPING
— ELECTRIC CIRCUIT DIAGRAM
– E.C.S.S. (ELECTRONIC CONTROLLED SUSPENSION SYSTEM)
— E.C.S.S. HYDRAULIC, ELECTRICAL CIRCUIT DIAGRAM
— OPERATION
– ELECTRICAL WIRING ILLUSTRATION
– ELECTRICAL WIRING DIAGRAM (1/2)
– CENTRAL PANEL (CLUSTER GAUGE)
– SENSOR
— ENGINE OIL PRESSURE
— BRAKE OIL LEVEL
– ENGINE STARTING CIRCUIT
– ENGINE STOP CIRCUIT
– AUTOMATIC PREHEATING CIRCUIT
— QUICK HEATING SYSTEM (Q.H.S.)
— Q.H.S. CONTROLLER
— HEATER RELAY
— RIBBON HEATER
— Q.H.S. WATER TEMPERATURE SENSOR
– ELECTRICAL TRANSMISSION CONTROL
– COMBINATION SWITCH
– TRANSMISSION CUT-OFF FUNCTION
– PARKING BRAKE FUNCTION
– KICK-DOWN SWITCH
— KICK-DOWN SWITCH
— KICK DOWN ELECTRIC CIRCUIT DIAGRAM
— KICK-DOWN SWITCH OPERATED
— KICK-DOWN SWITCH ACTUATION – CANCELED (1)
— KICK-DOWN SWITCH ACTUATION – CANCELED (2)
— KICK-DOWN SWITCH ACTUATION – CANCELED (3)
20 TESTING AND ADJUSTING
– STANDARD VALUE TABLE FOR ENGINE
– STANDARD VALUE TABLE FOR CHASSIS
– TOOLS FOR TESTING, ADJUSTING & TROUBLESHOOTING
– MEASURING ENGINE SPEEDS
– MEASURING ENGINE LUBRICATING OIL PRESSURE
– MEASURING FUEL FILTER INLET RESTRICTION
– MEASURING BLOW-BY PRESSURE
– MEASURING COMPRESSION PRESSURE
– MEASURING EXHAUST GAS COLOR
– MEASURING COOLANT TEMPERATURE
– MEASURING AND ADJUSTING VALVE CLEARANCE
– MEASURING ACCELERATOR PEDAL
– MEASURING OPERATING FORCE, TRAVEL OF SPEED LEVER
– MEASURING STALL SPEEDS
– MEASURING TORQUE CONVERTER, TRANSMISSION OIL PRESSURE
– METHOD OF OPERATING EMERGENCY MANUAL SPOOL
– TESTING AND ADJUSTING STEERING WHEEL
– MEASURING STEERING OIL PRESSURE
– MEASURING OPERATING FORCE, TRAVEL OF BRAKE PEDAL
– TESTING AND ADJUSTING BRAKE PEDAL LINKAGE
– MEASURING BRAKE PERFORMANCE
– TESTING BRAKE OIL PRESSURE
– TESTING FOR BRAKE DISC WEAR
– BLEEDING AIR FROM BRAKE SYSTEM
– MEASURING PARKING BRAKE PERFORMANCE
– TESTING AND ADJUSTING PARKING BRAKE LINKAGE
– TESTING WEAR OF PARKING BRAKE DISC
– MEASURING PARKING BRAKE DISC WEAR
– MEASURING WORK EQUIPMENT CONTROL LEVER
– MEASURING STROKE OF WORK EQUIPMENT VALVE SPOOL
– MEASURING WORK EQUIPMENT HYDRAULIC PRESSURE
– MEASURING WORK EQUIPMENT
– TESTING AND ADJUSTING BUCKET POSITIONER
– TESTING AND ADJUSTING BOOM KICK-OUT (IF EQUIPPED)
– TROUBLESHOOTING TABLE OF CONTENTS
— POINTS TO REMEMBER WHEN TROUBLESHOOTING
— SEQUENCE OF EVENTS IN TROUBLESHOOTING
— PRECAUTIONS WHEN CARRYING OUT MAINTENANCE
— CHECKS BEFORE TROUBLESHOOTING
— HANDLING CONNECTORS
— PRECAUTIONS WHEN TROUBLESHOOTING
— PREVENTING RECURRENCE OF TROUBLE
— METHOD OF USING TROUBLESHOOTING CHARTS
— TROUBLESHOOTING OF ENGINE SYSTEM
— S-1 STARTING PERFORMANCE IS POOR (Starting always takes time)
— S-2 Engine does not start
— 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 (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 HYDRAULIC AND MECHANICAL SYSTEM (CHASSIS RELATED)
— POWER TRAIN
— T-1 Machine does not start
— T-2 Travel speed is slow, thrusting power is weak, lacks power on slopes
— T-3 Excessive shock when starting machine or shifting gear
— T-4 Excessive time lag when starting machine or shifting gear
— T-5 Torque converter oil temperature is high
— STEERING SYSTEM
— S-1 Steering wheel does not turn
— S-2 Steering is heavy
— S-3 Steering wheel shakes or there is excessive shock
— S-4 Deviates to one side when traveling
— S-5 Turning radius is different between left and right
— S-6 Excessive shock to machine when steering wheel is turned fully to left or right
— BRAKE SYSTEM
— A-1 Brakes do not work or braking effect is poor
— A-2 Brake is not released, brake drags
— WORK EQUIPMENT
— H-1 Boom does not rise
— H-2 Boom movement is slow or boom lacks lifting power
— H-3 When boom is raised, it moves slowly at a certain height
— H-4 Bucket cannot be pushed with boom cylinder (bucket floats)
— H-5 Excessive hydraulic drift of boom
— H-6 Boom shakes during operation
— H-7 Boom drops momentarily when control lever is operated from HOLD to RAISE
— H-8 Bucket does not tilt back
— H-9 Bucket movement is slow or tilt-back lacks power
— H-10 Bucket movement becomes slow during tilt-back operation
— H-11 Bucket cannot be pushed with bucket cylinder
— H-12 Excessive hydraulic drift of bucket
— H-13 Bucket shakes during loading operation (Main control valve at HOLD)
— H-14 Bucket dumps momentarily when control lever is operated from HOLD to TILT
— H-15 Boom, bucket control levers are heavy or do not move smoothly
— TROUBLESHOOTING OF EAGLE AIR CONDITIONER
30 DISASSEMBLY AND ASSEMBLY
– METHOD OF USING MANUAL
– PRECAUTIONS WHEN CARRYING OUT OPERATION
— 1. Precautions when carrying out removal work
— 2. Precautions when carrying out installation work
— 3. Precautions when completing the operations
– SPECIAL TOOL LIST
– STARTING MOTOR
— REMOVAL
— INSTALLATION
– ALTERNATOR
— REMOVAL
— INSTALLATION
– FUEL INJECTION PUMP
— REMOVAL
— INSTALLATION
– ENGINE OIL COOLER
— REMOVAL
— INSTALLATION
– WATER PUMP
— REMOVAL
— INSTALLATION
– NOZZLE HOLDER
— REMOVAL
— INSTALLATION
– THERMOSTAT
— REMOVAL
— INSTALLATION
– TURBOCHARGER
— REMOVAL
— INSTALLATION
– CYLINDER HEAD
— REMOVAL
— INSTALLATION
– RADIATOR
— REMOVAL
— INSTALLATION
– ENGINE
— REMOVAL
— INSTALLATION
– ENGINE HOOD
— REMOVAL
— INSTALLATION
– EXHAUST MUFFLER
— REMOVAL
— INSTALLATION
– AIR CLEANER
— REMOVAL
— INSTALLATION
– TORQUE CONVERTER CHARGING PUMP
— REMOVAL
— INSTALLATION
– TORQUE CONVERTER, TRANSMISSION
— REMOVAL
— INSTALLATION
– TORQUE CONVERTER
— DISASSEMBLY
— ASSEMBLY
– TRANSMISSION
— DISASSEMBLY
— DISASSEMBLY OF PARKING BRAKE
— ASSEMBLY OF PARKING BRAKE
— ASSEMBLY
– TRANSMISSION CLUTCH PACK
— I. DISASSEMBLY OF 1ST, REVERSE CLUTCH
— II. DISASSEMBLY OF FORWARD, 2ND CLUTCH PACK
— Ill. DISASSEMBLY OF 3RD, 4TH CLUTCH PACK
— ASSEMBLY OF CLUTCH PACK
— l. ASSEMBLY OF 1ST, REVERSE CLUTCH PACK
— II.ASSEMBLY OF FORWARD, 2ND CLUTCH PACK
— Ill.ASSEMBLY OF 3RD, 4TH CLUTCH PACK
– TRANSMISSION CONTROL VALVE
— REMOVAL
— INSTALLATION
— DISASSEMBLY
— ASSEMBLY
– TRANSMISSION SOLENOID VALVE
— DISASSEMBLY
— ASSEMBLY
– TRANSMISSION ACCUMULATOR VALVE
— DISASSEMBLY
— ASSEMBLY
– DRIVE SHAFT
— DISASSEMBLY
— ASSEMBLY
– FRONT AXLE
— REMOVAL
— INSTALLATION
– REAR AXLE
— REMOVAL
— INSTALLATION
– DIFFERENTIAL
— DISASSEMBLY
— ASSEMBLY
– AXLE HOUSING
— DISASSEMBLY
— ASSEMBLY
– CENTER HINGE PIN
— REMOVAL
— INSTALLATION
– PRIORITY VALVE
— REMOVAL
— INSTALLATION
– STEERING VALVE
— REMOVAL
— INSTALLATION
— DISASSEMBLY
— ASSEMBLY
– MAIN CONTROL VALVE
— REMOVAL
— INSTALLATION
— DISASSEMBLY
— ASSEMBLY
– STEERING CYLINDER
— REMOVAL
– BRAKE BOOSTER
— REMOVAL
— INSTALLATION
— DISASSEMBLY
— ASSEMBLY
– PARKING BRAKE
— REMOVAL
— INSTALLATION
– HYDRAULIC TANK
— REMOVAL
— INSTALLATION
– HYDRAULIC FILTER
— REMOVAL
— INSTALLATION
– HYDRAULIC STEERING PUMP
— REMOVAL
— INSTALLATION
– BUCKET CYLINDER
— REMOVAL
— INSTALLATION
– BOOM CYLINDER
— REMOVAL
— INSTALLATION
– HYDRAULIC CYLINDER
— DISASSEMBLY
— ASSEMBLY
– WORK EQUIPMENT
— REMOVAL
— INSTALLATION
– FUEL TANK
— REMOVAL
— INSTALLATION
– COUNTERWEIGHT
— REMOVAL OF LEFT AND RIGHT COUNTERWEIGHTS
— INSTALLATION OF LEFT AND RIGHT COUNTERWEIGHTS
— REMOVAL OF REAR COUNTERWEIGHT
— INSTALLATION OF REAR COUNTERWEIGHT
– INSTRUMENT PANEL
— REMOVAL
— INSTALLATION
40 MAINTENANCE STANDARD
– ENGINE MOUNT, TRANSMISSIONMOUNT
– TORQUE CONVERTER CHARGING PUMP
– TORQUE CONVERTER
– TRANSMISSION
– TRANSMISSION CONTROL VALVE
– ACCUMULATOR VALVE
– DRIVE SHAFT
– DIFFERENTIAL
– FINAL DRIVE
– AXLE MOUNT
– ADDITIONAL COUNTERWEIGHT
– CENTER HINGE PIN
– STEERING COLUMN
– STEERING CYLINDER MOUNT
– PRIORITY VALVE
– BRAKE BOOSTER
– BRAKE
– PARKING BRAKE
– HYDRAULIC PUMP
– MAIN CONTROL VALVE
– HYDRAULIC CYLINDER
– WORK EQUIPMENT LINKAGE
– BUCKET
– BUCKET POSITIONER AND BOOM KICK-OUT
Reviews
There are no reviews yet.