Komatsu Backhoe Loader WB146-5 service & repair manual

Description Komatsu Backhoe Loader WB146-5 service & repair manual

Komatsu Backhoe Loader WB146-5 pdf workshop service repair manual + operation & maintenance manual

Serial number A23001 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
WITH STANDARD ARM
WITH EXTENDABLE ARM (RETRACTED)
WITH EXTENDABLE ARM (EXTENDED)
MACHINE SYSTEMS SPECIFICATIONS
ENGINE
ELECTRICAL SYSTEM
SERVICE REFILL CAPACITIES
TRANSMISSION
TOTAL MASS
LOADER
BACKHOE
WEIGHT TABLE
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
DESCRIPTION
POWER FLOW
TRANSMISSION DIAGRAM
TRANSMISSION
COMPLETE ASSEMBLY
FORWARD REVERSE CLUTCH
1ST THROUGH 4TH SPEED SHAFT
4WD SHAFT
FRONT AXLE
COMPLETE ASSEMBLY
DIFFERENTIAL
PLANETARY
REAR AXLE
COMPLETE ASSEMBLY
DIFFERENTIAL
PLANETARY
WORK BRAKES
DIFFERENTIAL LOCK
HYDRAULIC PUMP
MAIN PUMP
FUNCTION
STRUCTURE
OPERATION
DELIVERY CONTROL VALVE
LS VALVE FUNCTION
PC VALVE FUNCTION
PC VALVE OPERATION
MAIN CONTROL VALVE
CLSS
DESCRIPTION
CHARACTERISTICS
STRUCTURE
OPERATING PRINCIPLES
PUMPING PLATE CONTROL ANGLE
PRESSURE COMPENSATION CONTROL
MAIN CONTROL VALVE
UNLOADING VALVE
LS PRESSURE
LS BY-PASS PLUG
PRESSURE COMPENSATION
PRESSURE COMPENSATION VALVE
PRIORITY VALVE
PPC REDUCING VALVE
STEERING UNIT
TECHNICAL DATA
OPERATION
PPC VALVE
LOADER
OPERATION
OUTRIGGER
OPERATION
BACKHOE
LEFT VALVE
RIGHT VALVE
SOLENOID VALVE
HYDRAULIC CONTROLS W/O MP BUCKET
HYDRAULIC CONTROLS WITH MP BUCKET
LOADER CYLINDERS
BOOM
BUCKET
MP BUCKET
BACKHOE CYLINDERS
BOOM
ARM
BUCKET
TELESCOPIC ARM CYLINDER
SWING
OUTRIGGER
WORK EQUIPMENT
LOADER
BACKHOE
AIR CONDITIONING

TESTING, ADJUSTING AND TROUBLESHOOTING
STANDARD VALUE TABLE
ENGINE
CHASSIS
SPECIAL TOOLS
ENGINE SPEED
ENGINE WITHOUT LOAD
MACHINE IN POWER MODE AT MIN
WITH CONVERTER STALLED
CONVERTER STALLED AND HYDRAULIC PUMP UNDER LOAD
ANALYSIS
VALVE CLEARANCE
AC COMPRESSOR BELT TENSION
BLEED AIR FROM CIRCUITS
BLEED AIR FROM HYDRAULIC CIRCUIT
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
INTRODUCTION
MAIN CONTROL VALVE
RELIEF VALVES
TESTING
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
CONTROL
ADJUSTMENT
PPC SUPPLY PRESSURE
CHECK
ADJUSTMENT
PC VALVE
ADJUSTMENT
STEERING CONTROL SYSTEM
CONTROL
SETTING
STEERING CYLINDER
POWER TRAIN GROUP
CONVERTER OIL PRESSURE
CLUTCH ENGAGEMENT PRESSURE
SUPPLY PRESSURE
TRANSMISSION CLUTCH FUNCTION
MACHINE PREPARATION
CONTROL
HYDRAULIC DRIFT
LOADER
BOOM CIRCUIT
BUCKET CIRCUIT
BACKHOE
BOOM CIRCUIT
ARM CIRCUIT
BUCKET CIRCUIT
OUTRIGGERS CIRCUIT - W/O LOCK VALVES
AIR CONDITIONING
WORK TEMPERATURE
UNIT CHECK
EMPTYING THE AC 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
REMOVAL
INSTALLATION
OVERHAUL OF COMPONENTS
DISASSEMBLY PROCEDURES
ASSEMBLY PROCEDURES
PRECAUTIONS WHEN PERFORMING OPERATIONS
SPECIAL TOOL LIST
CONNECTOR REPAIR PROCEDURES

OTHERS
HYDRAULIC CIRCUIT
ELECTRICAL SCHEMATIC

Engine 4D102LE-2 series workshop service repair manual