Komatsu Backhoe Loader WB93R-8 service & repair manual

Description Komatsu Backhoe Loader WB93R-8 service & repair manual

Komatsu Backhoe Loader WB93R-8 pdf workshop service repair manual

Serial numbers:
F80004 and up

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

MANUAL CONTENT:
INDEX AND FOREWORD
FOREWORD, SAFETY AND GENERAL INFORMATION
IMPORTANT SAFETY NOTICE
FIRE PREVENTION
DISPOSE OF WASTE MATERIALS
HOW TO READ THE SHOP MANUAL
EXPLANATION OF TERMS FOR MAINTENANCE STANDARD
HANDLING EQUIPMENT OF FUEL SYSTEM DEVICES
HANDLING OF INTAKE SYSTEM PARTS
HANDLING OF HYDRAULIC EQUIPMENT
METHOD OF DISCONNECTING AND CONNECTING OF PUSH-PULL TYPE COUPLER
HANDLING OF ELECTRICAL EQUIPMENT
HOW TO READ ELECTRIC WIRE CODE
PRECAUTIONS WHEN PERFORMING OPERATION
PRACTICAL USE OF KOMTRAX
STANDARD TIGHTENING TORQUE TABLE
ABBREVIATION
CONVERSION TABLE

SPECIFICATION
OVERALL DIMENSIONS
WORKING RANGE DRAWINGS
WEIGHT TABLE
TABLE OF FUEL, COOLANT, AND LUBRICANTS

STRUCTURE AND FUNCTION
ABBREVIATION LIST
UREA SCR SYSTEM
LAYOUT DRAWING OF UREA SCR SYSTEM
INDUCEMENT STRATEGY
COMPONENT PARTS OF UREA SCR SYSTEM
DEF TANK
DEF PUMP
DEF INJECTOR
DEF HOSE
DEF TANK HEATING VALVE
POWER TRAIN
POWER TRAIN DESCRIPTION
UNDERCARRIAGE AND FRAME
4WD TRANSMISION
FRONT AXLE
REAR AXLE
HYDRAULIC SYSTEM
LAYOUT DRAWING OF HYDRAULIC SYSTEM
HYDRAULIC TANK
HYDRAULIC PUMP
CONTROL VALVE - 9-spool loader and backhoe valves
CONTROL VALVE - 11-spool loader and backhoe valves
CLSS
WORK EQUIPMENT SYSTEM
LAYOUT DRAWING OF WORK EQUIPMENT SYSTEM
LOADER WORK EQUIPMENT PPC VALVE
OUTRIGGER PPC VALVE
STEERING UNIT
BRAKE PUMP
SOLENOID VALVE
ACCUMULATOR
HOLDING VALVE
WORK EQUIPMENT
LOADER WORK EQUIPMENT
BACKHOE WORK EQUIPMENT

STANDARD VALUE TABLES
ABBREVIATION LIST
STANDARD SERVICE VALUE TABLE
STANDARD VALUE TABLE FOR ENGINE
STANDARD VALUE TABLE FOR MACHINE

TESTING AND ADJUSTING
ABBREVIATION LIST
ENGINE AND COOLING SYSTEM
TEST ENGINE SPEED
TEST EXHAUST GAS COLOR
UNDERCARRIAGE AND FRAME
CHECKING LEAKAGES IN THE STEERING CYLINDER
TESTING STEERING CIRCUIT OIL PRESSURE
TESTING THE BRAKING SYSTEM PRESSURE
TESTING THE BRAKE SYSTEM LEAKAGE
BLEEDING AIR FROM THE BRAKE LINES
TESTING AND ADJUSTING THE PARKING BRAKE SYSTEM
HYDRAULIC SYSTEM
RELEASING REMAINING PRESSURE FROM HYDRAULIC CIRCUIT
CHECKING AND REGULATING PRESSURE IN THE HYDRAULIC CIRCUITS
TESTING AND ADJUSTING OIL PRESSURE IN WORK EQUIPMENT CIRCUITS
TESTING OIL PRESSURE OF CONTROL CIRCUIT
INSPECTION AND ADJUSTMENT OF PUMP PC CONTROL OIL PRESSURE
TESTING AND ADJUSTING OIL PRESSURE IN PUMP LS CONTROL CIRCUIT
TESTING OUTLET PRESSURE OF SOLENOID VALVE
TESTING PPC VALVE OUTLET PRESSURE
ADJUSTING PLAY OF WORK EQUIPMENT PPC VALVES
TESTING TRANSMISSION OIL PRESSURE CIRCUIT
ISOLATING THE PARTS CAUSING HYDRAULIC DRIFT IN WORK EQUIPMENT
BLEEDING AIR FROM HYDRAULIC CIRCUIT
CHECK OF OIL LEVEL AND OPERATION
ELECTRICAL SYSTEM
SET AND ADJUST EACH EQUIPMENT
SET AND OPERATE MACHINE MONITOR
METHOD FOR STARTING UP KOMTRAX TERMINAL
ADJUST FRONT PANEL SETTINGS
HANDLING BATTERY DISCONNECT SWITCH
TESTING DIODES
WORK EQUIPMENT
RETURN TO DIG SENSOR ADJUSTMENT
TELESCOPIC ARM GUIDE SLACK ADJUSTMENT

TROUBLESHOOTING
ABBREVIATION LIST
RELATED INFORMATION ON TROUBLESHOOTING
GENERAL TROUBLESHOOTING POINTS
TROUBLESHOOTING POINTS FOR UREA SCR SYSTEM
CHECKS BEFORE TROUBLESHOOTING
INSPECTION PROCEDURE BEFORE TROUBLESHOOTING
WALK-AROUND CHECK
TESTING IN ACCORDANCE WITH TESTING PROCEDURE
CHECK OF FUEL LEVEL AND TYPE
METHOD FOR CHECKING WATER SEPARATOR, DRAINING WATER AND SEDIMENT
METHOD FOR REPLACING FUEL PREFILTER CARTRIDGE
METHOD FOR REPLACING FUEL MAIN FILTER CARTRIDGE
METHOD FOR BLEEDING AIR FROM FUEL CIRCUIT
METHOD FOR CHECKING DEF LEVEL AND TYPE
METHOD FOR ADDING DEF
METHOD FOR CHECKING OIL LEVEL IN ENGINE OIL PAN, ADDING OIL
METHOD FOR CHECKING COOLANT LEVEL, ADDING COOLANT
METHOD FOR CHECKING AIR CLEANER
METHOD FOR CLEANING AIR CLEANER OUTER ELEMENT
METHOD FOR CHANGING AIR CLEANER ELEMENT
CHECK AND REPLACE VACUATOR VALVE
METHOD FOR CHECKING OIL LEVEL IN HYDRAULIC TANK, ADDING OIL
METHOD FOR CHANGING OIL IN HYDRAULIC TANK, CLEANING HYDRAULIC TANK STRAINER
BLEED AIR FROM HYDRAULIC SYSTEM
METHOD FOR REPLACING HYDRAULIC OIL FILTER ELEMENT
METHOD FOR CHECKING THE OIL LEVELS IN THE TRANSMISSION
METHOD FOR CHECKING THE FRONT AXLE OIL LEVEL
METHOD FOR CHECKING THE REAR AXLE OIL LEVEL
FAILURE CODES TABLE
TROUBLESHOOTING BY FAILURE CODE (DISPLAY OF CODE)
TROUBLESHOOTING OF ENGINE FAILURE

DISASSEMBLY AND ASSEMBLY
ABBREVIATION LIST
RELATED INFORMATION ON DISASSEMBLY AND ASSEMBLY
HOW TO READ THIS MANUAL
COATING MATERIALS LIST
Sketches of special tools
ENGINE AND COOLING SYSTEM
REMOVE AND INSTALL RADIATOR ASSEMBLY
REMOVAL AND INSTALL OF FAN CLUTCH ASSEMBLY
REMOVE AND INSTALL ENGINE
REMOVE AND INSTALL FUEL COOLER ASSEMBLY
REMOVE AND INSTALL EXHAUST PIPE
REMOVAL AND INSTALL BELLOWS PIPE ASSEMBLY
REMOVAL AND INSTALL KDOC ASSEMBLY
REMOVE AND INSTALL DEF TANK SENSOR FLANGE ASSEMBLY
REMOVE AND INSTALL DEF TANK SENSOR
REMOVE AND INSTALL DEF TANK STRAINER
REMOVE AND INSTALL DEF INJECTOR
REMOVE AND INSTALL AIR CLEANER ASSEMBLY
REMOVE AND INSTALL AIR CONDITIONER CONDENSER ASSEMBLY
REMOVE AND INSTALL AIR CONDITIONER BELT
REMOVE AND INSTALL AIR CONDITIONER COMPRESSOR
UNDERCARRIAGE AND FRAME
REMOVE AND INSTALL ENGINE HOOD
REMOVE AND INSTALL COUNTERWEIGHT
REMOVAL AND INSTALL FRONT AXLE
REMOVAL AND INSTALL REAR AXLE
REMOVAL AND INSTALL TRANSMISSION
HYDRAULIC SYSTEM
REMOVAL AND INSTALL HYDRAULIC PUMP ASSEMBLY
DISASSEMBLY AND ASSEMBLY OF WORK EQUIPMENT PPC VALVE ASSEMBLY
WORK EQUIPMENT
REMOVAL AND INSTALL LOADER WORK EQUIPMENT ASSEMBLY
REMOVAL AND INSTALL BACKHOE WORK EQUIPMENT ASSEMBLY
REMOVAL AND INSTALL BACKHOE BOOM CYLINDER
REMOVAL AND INSTALL BACKHOE ARM CYLINDER
REMOVAL AND INSTALL BACKHOE TELESCOPIC ARM CYLINDER
REMOVAL AND INSTALL OUTRIGGER CYLINDER
REMOVAL AND INSTALL BACKHOE BOOM SWING CYLINDERS
REMOVAL AND INSTALL BACKHOE BUCKET CYLINDER
REMOVAL AND INSTALL BACKHOE BOOM LOCK CYLINDER
REMOVAL AND INSTALL BACKHOE BOOM
REMOVAL AND INSTALL BACKHOE ARM ASSEMBLY
REMOVAL AND INSTALL BACKHOE TELESCOPIC ARM ASSEMBLY
REMOVAL AND INSTALL BACKHOE BOOM SWING BRACKET
REMOVAL AND INSTALL BACKHOE SLIDING BRACKET
REMOVAL AND INSTALL BACKHOE SLIDING BRACKET LOCKING PISTON
CAB AND ITS ATTACHMENTS
REMOVAL AND INSTALL OPERATOR'S CAB ASSEMBLY
ELECTRICAL SYSTEM
REMOVE AND INSTALL ENGINE CONTROLLER ASSEMBLY
REMOVE AND INSTALL FRONT PANEL
REMOVAL AND INSTALL STEERING COLUMN SWITCHES
REMOVAL AND INSTALL KOMTRAX TERMINAL ASSEMBLY

MAINTENANCE STANDARD
ABBREVIATION LIST
ENGINE AND COOLING SYSTEM
ENGINE MOUNT
COOLING SYSTEM
UNDERCARRIAGE AND FRAME
TRANSMISSION
FRONT AXLE
REAR AXLE
HYDRAULIC SYSTEM
9-SPOOL CONTROL VALVE
11-SPOOL CONTROL VALVE
HYDRAULIC PUMP
PPC VALVE
WORK EQUIPMENT
FRONT WORKING EQUIPMENT
BACKHOE WORKING EQUIPMENT
WORK EQUIPMENT CYLINDER

DIAGRAMS AND DRAWINGS
ABBREVIATION LIST
HYDRAULIC CIRCUIT DIAGRAM
SYMBOLS IN HYDRAULIC CIRCUIT DIAGRAM
ELECTRIC CIRCUIT DIAGRAM
SYMBOLS IN ELECTRIC CIRCUIT DIAGRAM

Engine SAA4D99E-1 workshop service manual