Komatsu Backhoe Loader WB146PS-5 service & repair manual

Description Komatsu Backhoe Loader WB146PS-5 service & repair manual

Komatsu Backhoe Loader WB146PS-5 pdf workshop service repair manual + operation & maintenance manual

Serial number A43001 and up

Technical data, specifications, testing, troubleshooting, maintenance, electrical diagrams, hydraulic schematics, adjusting, assembly, disassembly, removal, installation instructions and other information

MANUAL CONTENT:
GENERAL
SPECIFICATION DRAWING
SPECIFICATIONS
MACHINE DIMENSIONS AND WEIGHTS
BACKHOE ARM
STANDARD ARM
TELESCOPIC (RETRACTED)
TELESCOPIC ARM (EXTENDED)
MACHINE SYSTEMS SPECIFICATIONS
ENGINE
ELECTRICAL SYSTEM
SERVICE REFILL CAPACITIES
TRANSMISSION
TOTAL MASS
LOADER
BACKHOE
TIRE PRESSURE
WEIGHT TABLE
LIFTING THE MACHINE
LIFTING POSITION MARKS
LIFTING PROCEDURE
FUEL, COOLANT, AND LUBRICANTS
PROPER SELECTION ACCORDING TO THE AMBIENT TEMPERATURE
GREASE
FUEL REMARKS
HOMOLOGATED (HEES) SYNTHETIC LUBRICANTS
LUBRICATION DIAGRAMS
GENERAL VIEW

STRUCTURE, FUNCTION AND MAINTENANCE STANDARD
POWER TRAIN
POWER FLOW
TRANSMISSION DIAGRAM
TRANSMISSION COMPLETE ASSEMBLY
VALVE BODY
CLUTCH PACKS
FORWARD AND REVERSE PACK
DRIVE SHAFT PACK
DRIVEN GEAR SHAFT PACK
4WD DRIVEN SHAFT PACK
FRONT AXLE COMPLETE ASSEMBLY
DIFFERENTIAL
PLANETARY
REAR AXLE COMPLETE ASSEMBLY
DIFFERENTIAL
FINAL REDUCTION GEARS
WHEEL BRAKES
DIFFERENTIAL LOCK
HYDRAULIC PUMP
MAIN PUMP
DELIVERY CONTROL VALVE
LS VALVE FUNCTION
PC VALVE FUNCTION
PC VALVE OPERATION
MAIN CONTROL VALVE
10-SPOOL CONTROL VALVE
CLSS
OPERATING PRINCIPLES
PUMPING PLATE CONTROL ANGLE
PRESSURE COMPENSATION CONTROL
UNLOADING VALVE
LS PRESSURE
LS BYPASS PLUG
PRESSURE COMPENSATION
PRESSURE COMPENSATION VALVE
PRIORITY VALVE
PPC REDUCING VALVE
STEERING UNIT
PPC VALVES
STANDARD VALVE
PPC VALVE (FLOAT + RETURN TO DIG)
OUTRIGGER
BACKHOE
LEFT VALVE
RIGHT VALVE
SOLENOID VALVE
HYDRAULIC CONTROLS WITHOUT MULTI-PURPOSE BUCKET
HYDRAULIC CONTROLS WITH MULTI-PURPOSE BUCKET
SAFETY VALVES
BUCKET RAISE
BUCKET DUMP
BOOM
ARM
LOADER CYLINDERS
BOOM
BUCKET
MULTI-PURPOSE (MP) BUCKET
BACKHOE CYLINDERS
BOOM
ARM
BUCKET
TELESCOPIC ARM CYLINDER
SWING
OUTRIGGER

TESTING, ADJUSTING AND TROUBLESHOOTING
STANDARD VALUE TABLE
ENGINE
CHASSIS
SPECIAL TOOLS
ENGINE SPEED
ENGINE WITH LOAD
MACHINE IN POWER MODE AT MIN
WITH CONVERTER STALLED
CONVERTER STALLED AND HYDRAULIC PUMP UNDER LOAD
ANALYSIS
VALVE CLEARANCE
AIR CONDITIONER COMPRESSOR BELT TENSION
BLEED AIR FROM CIRCUITS
BLEED AIR FROM CYLINDERS
BLEED AIR FROM BRAKING CIRCUIT
RELEASING RESIDUAL PRESSURE
ACCELERATOR PEDAL AND LEVER
ACCELERATOR PEDAL TRAVEL
ACCELERATOR LEVER TRAVEL
BRAKE SYSTEM
CONTROL
ADJUSTMENT
CHECKS
LEAKAGE CHECKS
INDIVIDUAL PUMP CHECK
BRAKE GROUP LEAKAGE
PARKING BRAKE ADJUSTMENT
HYDRAULIC CIRCUIT
MAIN CONTROL VALVE
RELIEF VALVES
UNLOADING VALVE
MAIN RELIEF VALVE
SECONDARY VALVES
SETTING RELIEF VALVES
MAIN RELIEF VALVE
CIRCUIT RELIEF VALVES
ARM IN, LOADER CURL, BACKHOE BUCKET CURL, BOOM RAISE,
AND MP BUCKET
SWING, LOADER DUMP, HAMMER, AND BOOM RAISE
LS DIFFERENTIAL PRESSURE
PPC SUPPLY PRESSURE
PC VALVE
STEERING CONTROL SYSTEM
STEERING CYLINDER
POWER TRAIN GROUP
CONVERTER OIL PRESSURE
CLUTCH ENGAGEMENT PRESSURE
SUPPLY PRESSURE
TRANSMISSION CLUTCH FUNCTION
MACHINE PREPARATION
HYDRAULIC DRIFT
LOADER
BOOM CIRCUIT
BUCKET CIRCUIT
BACKHOE
BOOM CIRCUIT
ARM CIRCUIT
BUCKET CIRCUIT
OUTRIGGERS CIRCUIT - WITHOUT LOCK VALVES
AIR CONDITIONING
WORK TEMPERATURE
UNIT CHECK
EMPTYING THE AIR CONDITIONING UNIT
TROUBLESHOOTING GUIDE
FRONT AXLE
REAR AXLE
TRANSMISSION
FUSES AND RELAYS
FUSE AND RELAY PANEL LOCATION
FUSE AND RELAY PANEL LAYOUT
FUSES
RELAYS
HEATING AND AIR CONDITIONING FUSES AND RELAYS
FUSES
RELAYS

DISASSEMBLY AND ASSEMBLY
REMOVAL AND INSTALLATION OF COMPONENTS
OVERHAUL OF COMPONENTS
DISASSEMBLY PROCEDURES
ASSEMBLY PROCEDURES
PRECAUTIONS FOR WORK
SPECIAL TOOL LIST
CONNECTOR REPAIR PROCEDURES
CONTACT TERMINAL REMOVAL (HD30 TYPE)
CRIMPING CONTACT TERMINAL (HD30 TYPE)
INSERTION OF CONTACT TERMINAL (HD30 TYPE)
CONTACT TERMINAL REMOVAL (DT TYPE)
CRIMPING CONTACT TERMINAL (DT TYPE)
INSERTION OF CONTACT TERMINAL (DT TYPE)
STRIPPING INSULATION
ENGINE HOOD
FRONT GUARD
RADIATOR
AIR CONDITIONER CONDENSER
MUFFLER
AIR FILTER
TURBOCHARGER
AIR CONDITIONER COMPRESSOR
EXHAUST STACK
OPERATOR’S SEAT
CAB HEATING AND COOLING SYSTEM
FAN
HEATER CORE
INSTALLATION
BATTERY
REMOVAL
INSTALLATION
FUEL TANK
STEERING AND FRONT DASH ASSEMBLY
STEERING WHEEL
INSTALLATION
FRONT DASH ASSEMBLY
INSTALLATION
STEERING UNIT
INSTALLATION
BRAKE SYSTEM
BLEED AIR FROM BRAKING CIRCUIT
CAB
HYDRAULIC OIL TANK
HYDRAULIC PUMP
BLEED AIR FROM CYLINDERS
TRANSMISSION OVERHAUL PROCEDURES
TORQUE CONVERTER
REMOVAL
INSTALLATION
PLUGS AND FILTERS
PUMP
VALVE BODY
HYDRAULIC SUPPLY LINES
TRANSMISSION HOUSING
CLUTCH PACK (A) AND GEAR SHAFT (D)
CLUTCHES AND DISC INSPECTIONS
CHECKING CLUTCH FUNCTION
CLUTCHES AND DISC INSPECTIONS
GEAR CLUTCHES
CLUTCHES AND DISC INSPECTIONS
ENGINE
CONTROL VALVE
STEERING SOLENOID VALVE
FRONT AXLE ASSEMBLY
REMOVAL
FRONT AXLE OVERHAUL PROCEDURES
STEERING CYLINDER ASSEMBLY
FRONT AXLE END PLANETARY ASSEMBLY
DISASSEMBLY
AXLE END HUB ASSEMBLY
AXLE HOUSING
DIFFERENTIAL
PINION
CARRIER
REAR AXLE ASSEMBLY
REAR AXLE OVERHAUL PROCEDURES
PARKING BRAKE ASSEMBLY
MAINTENANCE
SERVICE BRAKE ASSEMBLY
REAR AXLE END PLANETARY ASSEMBLY
DIFFERENTIAL LOCK
CARRIER
PINION
FRONT LOADER PPC VALVE
FRONT-END LOADER ASSEMBLY
LOADER BOOM CYLINDERS
BUCKET CYLINDERS
FRONT LOADER BUCKET
LOADER BOOM ASSEMBLY
INSTALLATION
BACKHOE PPC VALVE
INSTALLATION
PPC VALVE SUPPORT RELEASE CABLES  
INSTALLATION AND ADJUSTING
PPC VALVE GAS STRUT
SOLENOID VALVE
BACKHOE ASSEMBLY
BUCKET CYLINDER
TELESCOPIC ARM CYLINDER  
ARM CYLINDER
BOOM CYLINDER  
SWING CYLINDERS
BOOM LOCK CYLINDER  
BACKHOE BUCKET

DIAGRAMS AND SCHEMATICS
HYDRAULIC CIRCUIT
ELECTRICAL SCHEMATICS

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