Komatsu Wheel Loader WA70M-8E0 service & repair manual

Description Komatsu Wheel Loader WA70M-8E0 service & repair manual

Komatsu Wheel Loader WA70M-8E0 pdf workshop service manual

Serial numbers:
H71051 and up
H71511 and up

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

MANUAL CONTENT:
INDEX AND FOREWORD
ABBREVIATION LIST
FOREWORD, SAFETY, BASIC INFORMATION
HOW TO READ THE SHOP MANUAL
SAFETY NOTICE FOR OPERATION
PRECAUTIONS TO PREVENT FIRE
ACTIONS IF FIRE OCCURS
PRECAUTIONS FOR DISPOSING OF WASTE MATERIALS
ACTIONS TAKEN TO MEET EXHAUST GAS REGULATIONS
PRECAUTIONS FOR HANDLING HYDRAULIC EQUIPMENT
PRECAUTIONS FOR DISCONNECTION AND CONNECTION OF PIPINGS
PRECAUTIONS FOR REMOVAL AND DISASSEMBLING WORK
INTRODUCTION OF PARTS FOR THE DISASSEMBLY OF THE FACE SEAL TYPE HOSES AND TUBES
INTRODUCTION OF PARTS FOR THE DISCONNECTION OF THE TAPER SEAL TYPE HOSES AND TUBES
INTRODUCTION OF PARTS FOR THE DISCONNECTION OF THE SPLIT FLANGE TYPE HOSES AND TUBES
INTRODUCTION OF PARTS FOR THE REMOVAL OF O-RING BOSS TYPE JOINT
INTRODUCTION OF PARTS FOR THE REMOVAL OF TAPER PIPE THREAD TYPE JOINT
PRECAUTIONS FOR INSTALLATION AND ASSEMBLING WORK
PRECAUTIONS AT THE TIME OF COMPLETION OF WORK
PRECAUTIONS FOR HANDLING ELECTRICAL EQUIPMENT
HANDLING WIRING HARNESSES AND CONNECTORS
MAIN CAUSES OF FAILURE IN WIRING HARNESS
PRECAUTIONS FOR HANDLING FUEL SYSTEM EQUIPMENT
PRECAUTIONS FOR HANDLING INTAKE SYSTEM EQUIPMENT
PRACTICAL USE OF KOMTRAX
PRECAUTIONS FOR DISCONNECTION AND CONNECTION OF CONNECTORS
PRECAUTIONS FOR TROUBLESHOOTING ELECTRICAL CIRCUITS
METHOD FOR DISCONNECTING AND CONNECTING DEUTSCH CONNECTOR
METHOD FOR DISCONNECTING AND CONNECTING SLIDE LOCK TYPE CONNECTOR
METHOD FOR DISCONNECTING AND CONNECTING CONNECTOR WITH LOCK TO PULL
METHOD FOR DISCONNECTING AND CONNECTING CONNECTOR WITH LOCK TO PUSH
METHOD FOR DISCONNECTING AND CONNECTING CONNECTOR WITH HOUSING TO ROTATE
HOW TO READ ELECTRICAL WIRE CODE
EXPLANATION OF TERMS FOR MAINTENANCE STANDARD
STANDARD DIMENSION AND TOLERANCE
STANDARD CLEARANCE AND STANDARD VALUE
STANDARD INTERFERENCE
REPAIR LIMIT AND ALLOWABLE VALUE OR ALLOWABLE DIMENSION
ALLOWABLE CLEARANCE
ALLOWABLE INTERFERENCE
STANDARD TIGHTENING TORQUE TABLE
CONVERSION TABLE
TEMPERATURE

SPECIFICATIONS
DIMENSIONS, WEIGHTS AND OPERATING DATA
SPECIFICATIONS
WEIGHT TABLES
LUBRICANTS AND OPERATING MEDIUMS
BASIC PROCEDURES OF MAINTENANCE
OIL
FUEL
COOLANT
GREASE
STORING OIL AND FUEL
FILTERS
BIODEGRADABLE HYDRAULIC OILS AND LUBRICANTS
OUTLINE OF ELECTRIC SYSTEM
TIGHTENING TORQUE LIST - METRIC SCREWS AND NUTS

STRUCTURE AND FUNCTION
ABBREVIATION LIST
List of abbreviations used in the text
List of abbreviations used in the circuit diagrams
ELECTRICAL SYSTEM
LAYOUT DRAWING OF ELECTRICAL SYSTEM
BOOT-UP SYSTEM
LAYOUT DRAWING OF BOOT-UP SYSTEM
AROUND THE CAB AND FLOOR
BATTERY DISCONNECT SWITCH
FUNCTION OF BATTERY DISCONNECT SWITCH
PREHEATING SYSTEM
FUNCTION OF AUTOMATIC PREHEATING SYSTEM
OPERATION OF AUTOMATIC PREHEATING SYSTEM
ENGINE SYSTEM
LAYOUT DRAWING OF ENGINE SYSTEM
COOLING SYSTEM
LAYOUT DRAWING OF COOLING SYSTEM
SPECIFICATIONS OF COOLING SYSTEM
COOLING FAN CONTROL SYSTEM
COOLING FAN CONTROL SYSTEM DIAGRAM
FUNCTION OF COOLING FAN CONTROL SYSTEM
COOLING FAN REVERSE ROTATION FUNCTION (Option)
COMPONENT PARTS OF COOLING SYSTEM
STRUCTURE OF COOLING FAN MOTOR
SPECIFICATIONS OF COOLING FAN MOTOR
CONTROL SYSTEM
LAYOUT DRAWING OF CONTROL SYSTEM
AROUND THE CAB AND FLOOR
MACHINE MONITOR SYSTEM
MACHINE MONITOR SYSTEM DIAGRAM
KOMTRAX SYSTEM
KOMTRAX SYSTEM DIAGRAM
FUNCTION OF KOMTRAX SYSTEM
COMPONENT PARTS OF CONTROL SYSTEM
MACHINE MONITOR
Types of gauges and meters displayed on machine monitor
Types of caution lamps displayed on machine monitor
Types of pilot lamps displayed on machine monitor
Operator mode function of machine monitor
Service mode function of machine monitor
KOMTRAX TERMINAL
Structure of KOMTRAX terminal general view
Function of KOMTRAX terminal
Input and output signals of KOMTRAX terminal
HST CONTROLLER
Structure of HST controller
Real time monitoring function
Self-diagnosis function
Input and output signals of HST CONTROLLER terminal
CAN TERMINATING RESISTOR
Structure of CAN terminating resistor general view
Specifications of CAN terminating resistor
Function of CAN terminating resistor
ENGINE CONTROLLER
Structure of engine controller general view
Real time monitoring function
Self-diagnosis function
ACCELERATOR PEDAL
Structure and function of accelerator pedal
Acceleration signal
Idling validation signal
Output Characteristics
HYDRAULIC SYSTEM
LAYOUT DRAWING OF HYDRAULIC SYSTEM
COMPONENT PARTS OF HYDRAULIC SYSTEM
Structure of hydraulic tank
Specifications of hydraulic tank
Structure of the pump for steering, work equipment and cooling fan
Specifications of the pumps for steering, work equipment, cooling fan and high flow
Function of the pump for steering, work equipment and cooling fan
Structure of main control valve (STD)
Hydraulic circuit diagram of main control valve
Hydraulic circuit diagram of main control valve (EPC)
POWER TRAIN SYSTEM
LAYOUT DRAWING OF POWER TRAIN SYSTEM
OPERATION OF POWER TRAIN SYSTEM
FUNCTION OF THE CLOSED CIRCUIT SYSTEM
SPECIFICATIONS OF THE HST SYSTEM
STRUCTURE OF THE HST SYSTEM
20km/h without SpeedControl
COMPONENT PARTS OF POWER TRAIN SYSTEM
Structure of drive shaft
Function of drive shaft
Structure of HST pump
Operation of HST pump
Components of HST pump
HST motor
Structure of transfer box
Function of transfer box
Structure of front axle
Structure of rear axle
Function of differential
Function of towing system
WORK EQUIPMENT SYSTEM
Layout of work equipment system
WORK EQUIPMENT LOCK SYSTEM
ECSS (Option)
Function of ECSS
Operation of ECSS
RETURN TO DIG (option)
Structure
Function
COMPONENT PARTS OF WORK EQUIPMENT SYSTEM
Main control valve
Emergency lowering
Loader Linkage with quick-coupler
QUICK-COUPLER
STEERING SYSTEM
LAYOUT DRAWING OF STEERING SYSTEM
STEERING COLUMN
Structure of steering column
General view
HYDRAULIC CIRCUIT DIAGRAM OF STEERING SYSTEM
PRIORITY VALVE
ORBITROL-VALVE
STEERING RELIEF VALVE
BRAKE SYSTEM
LAYOUT DRAWING OF BRAKE SYSTEM
SERVICE BRAKE ASSEMBLY
Inching Function
PARKING BRAKE ASSEMBLY
STRUCTURE OF UNDERCARRIAGE AND FRAME
FRAME, AXLE MOUNT AND CENTER HINGE PIN
Structure of frame, axle mount and center hinge pin general view
Function of frame, axle mount and center hinge pin front axle mount
Rear axle mount
Frame, axle mount and center hinge pin
TIRE
Features of radial tire when compared with bias tire
Structure of radial tire
General view
Structure
Function of radial tire
Structure of bias tire
General view
Structure
Function of bias tire
WORK EQUIPMENT
STRUCTURE OF WORK EQUIPMENT
STRUCTURE OF BUCKET
General view and sectional view
CAB AND ITS ATTACHMENTS
ROPS FOPS CAB
Structure of ROPS FOPS cab
Function of ROPS FOPS cab
CAB MOUNT
Structure of cab mount
General view
Function of cab mount
TIPPING UP THE OPERATOR'S CAB (STANDARD, WITHOUT TIPPING CYLINDER)
TIPPING DOWN THE OPERATOR'S CAB (STANDARD, WITHOUT TIPPING CYLINDER)
TIPPING UP THE OPERATOR'S CAB (OPTION, WITH TIPPING CYLINDER)
TIPPING DOWN THE OPERATOR'S CAB (OPTION, WITH TIPPING CYLINDER)

STANDARD VALUE TABLE
ABBREVIATION LIST
List of abbreviations used in the text
List of abbreviations used in the circuit diagrams
STANDARD VALUE TABLE
Standard value table for engine
Standard value table for chassis
TEST CERTIFICATE

TESTING AND ADJUSTING
ABBREVIATION LIST
List of abbreviations used in the text
List of abbreviations used in the circuit diagrams
TEST ENGINE WITH SOFTWARE TOOL
CONNECTION OF A COMPUTER TO THE MACHINE
ENGINE AND COOLING SYSTEM
TEST ENGINE SPEED
Method for testing engine speed
Method for testing engine low idle speed
Method for testing engine high idle speed
Method for testing engine speed HST stall
Method for testing engine speed at hydraulic stall
Method for testing engine speed at full stall (HST stall and hydraulic stall)
TEST EXHAUST GAS COLOUR
Testing tool for exhaust gas colour
TEST AND ADJUST VALVE CLEARANCE
METHOD FOR TESTING AND ADJUSTINGVALVE CLEARANCE
TEST COMPRESSION PRESSURE
METHOD FOR TESTING COMPRESSION PRESSURE
Compression pressure inspection procedures
Injector reassembly procedures
TEST ENGINE OIL PRESSURE
METHOD FOR TESTING ENGINE OIL PRESSURE
METHOD FOR BLEEDING AIR FROM FUEL SYSTEM
TEST FUEL CIRCUIT FOR LEAKAGE
METHOD FOR TESTING FUEL CIRCUIT FOR LEAKAGE
Testing method of fuel circuit for leakage at engine stopped
Testing method of fuel circuit for leakage at engine low idle
Testing method of fuel circuit for leakage at engine high idle
HANDLE NO-INJECTION CRANKING OPERATION
TEST DOC AND MUFFLER STACK FOR LOOSENESS AND DAMAGE
METHOD FOR TESTING DOC AND MUFFLER STACK FOR LOOSENESS AND DAMAGE
TEST INSTALLED CONDITION OF CYLINDER HEADS AND MANIFOLDS
METHOD FOR TESTING INSTALLED CONDITION OF CYLINDER HEADS AND MANIFOLDS
TEST ENGINE PIPING FOR DAMAGE AND LOOSENESS
METHOD FOR TESTING ENGINE PIPING FOR DAMAGE AND LOOSENESS
TEST AND ADJUST AIR CONDITIONER COMPRESSOR BELT TENSION
METHOD FOR CHECKING AIR CONDITIONER COMPRESSOR BELT
METHOD FOR ADJUSTING AIR CONDITIONER COMPRESSOR BELT
TEST ALTERNATOR BELT
METHOD FOR TESTING ALTERNATOR BELT
POWER TRAIN
TEST AND ADJUST HST PRESSURE CUT OFF
TEST DRIVE SHAFT FOR LOOSENESS, BACKLASH, AND DAMAGE
METHOD FOR TESTING DRIVE SHAFT FOR LOOSENESS, BACKLASH, AND DAMAGE
STEERING SYSTEM
Operating time for steering wheel
Operating force of steering wheel
TEST AND ADJUST STEERING CIRCUIT OIL PRESSURE
METHOD FOR TESTING STEERING CIRCUIT OIL PRESSURE
METHOD FOR ADJUSTING STEERING CIRCUIT OIL PRESSURE
BLEED AIR FROM STEERING CYLINDER CIRCUIT
METHOD FOR BLEEDING AIR FROM STEERING CYLINDER CIRCUIT
BLEED AIR FROM BRAKE CIRCUIT
TEST BRAKING PERFORMANCE
MEASURING THE STOPPING DISTANCE
TEST AND ADJUST BRAKE PEDAL
TEST WEAR OF WHEEL BRAKE PADS
TEST PARKING BRAKE PERFORMANCE
HYDRAULIC SYSTEM
RELEASE REMAINING PRESSURE FROM PRESSURIZED CIRCUIT
Release the remaining pressure from the circuit between work equipment cylinder and control valve
Release the remaining pressure from small accumulator for safety valves (option)
Releasing the remaining pressure in ECSS
TEST AND ADJUST WORK EQUIPMENT PRESSURE
TEST BOOST PRESSURE
TESTING AND ADJUSTING COOLING FAN SPEED
METHOD FOR TESTING THE COOLING FAN SPEED
METHOD FOR ADJUSTING THE COOLING FAN SPEED
TEST ECSS ACCUMULATOR NITROGEN GAS PRESSURE
METHOD FOR TESTING THE ECSS ACCUMULATOR NITROGEN GAS PRESSURE
METHOD FOR CHARGING THE ECSS ACCUMULATOR WITH NITROGEN GAS
ELECTRICAL SYSTEM
SET AND ADJUST EACH EQUIPMENT
SET AND OPERATE MACHINE MONITOR
Switch panel
Operator mode and service mode of machine monitor
OPERATOR MODE
METHOD FOR SETTING USAGE LIMITATION AND CHANGING MAINTENANCE PASSWORD
Setting usage limitation (password)
Change password
SERVICE MODE
METHOD FOR OPERATING SERVICE MODE
METHOD FOR CHECKING SELF-DEFINED MONITORING INFORMATION
Table of self-define monitoring
ABNORMALITY RECORD MENU
METHOD FOR CONFIRMING ABNORMALITY RECORD
Method for cleaning abnormality record
METHOD FOR CONFIRMING MAINTENANCE RECORD
METHOD FOR OPERATING MAINTENANCE MODE SETTING
METHOD FOR OPERATING PHONE NUMBER ENTRY SETTING
DEFAULT MENU
METHOD FOR SETTING WITH DEFAULT SETTING MENU
ADJUSTMENT MENU
METHOD FOR ADJUSTING WITH ADJUSTMENT MENU (T/C DEVICE CALIBRATION)
HANDLE VOLTAGE CIRCUIT OF ENGINE CONTROLLER (ECU)
HANDLE BATTERY DISCONNECT SWITCH
TEST DIODES
METHOD FOR TESTING DIODE USING DIGITAL TESTER
METHOD FOR TESTING DIODE USING ANALOG TESTER

TROUBLESHOOTING
ABBREVIATION LIST
List of abbreviations used in the text
List of abbreviations used in the circuit diagrams
RELATED INFORMATION ON TROUBLESHOOTING
GENERAL TROUBLESHOOTING POINTS
SEQUENCE OF EVENTS IN TROUBLESHOOTING
CHECKS BEFORE TROUBLESHOOTING
Engine, lubricating oil and coolant
Hydraulic and mechanical equipment
Electric equipment
Exterior
Interior
INSPECTION PROCEDURE BEFORE TROUBLESHOOTING
WALK-AROUND CHECK
PROCEDURE FOR TESTING AND TROUBLESHOOTING
INFORMATION DESCRIBED IN TROUBLESHOOTING TABLE
CONNECTOR LOCATION LIST
CONNECTOR CONTACT IDENTIFICATION
SPARE FUSES AND RELAY
USB socket on central electric board (CEB)
FAILURE CODES TABLE
TROUBLESHOOTING BY FAILURE CODE (DISPLAY OF HST-CONTROLLER CODE)
POWER ON
8.2.1 Documentation of Power On (PwrOn)
8.2.1 - 2 Interface
8.2.1 - 3 Description
8.2.1 - 3.3 State 2: Check sensor supply voltages
8.2.1 - 3.4 State 3: Check hardware monitoring errors
8.2.1 - 3.5 State 4: Check first application specific start condition
8.2.1 - 3.6 State 5: Check central switch
8.2.1 - 3.7 State 6: Configure safouts
8.2.1 - 3.8 State 7: Check safouts
8.2.1 - 3.9 State 8: Check diesel engine speed
8.2.1 - 3.10 State 9: Enable sensor supply monitoring
8.2.1 - 3.11 State 10: Check hardware monitoring errors
8.2.1 - 3.12 State 11: Check second applications specific start condition
8.2.1 - 3.12 State 11: Check second applications specific start condition
8.2.1 - 3.13 State 12: Run
8.2.1 - 3.14 Diagnosis Configuration Notes
8.2.1 - 4 Input Signals
8.2.1 - 5 Parameters
8.2.1 - 6 Output Signals
8.2.1 - 7 Error Information
Abbreviations for Failure Code (HST-controller)
TROUBLESHOOTING OF ELECTRICAL SYSTEM (E-MODE)
TROUBLESHOOTING FOR HYDRAULIC AND MECHANICAL SYSTEMS (H MODE)
TROUBLESHOOTING OF ENGINE (S-MODE)

DISASSEMBLY AND ASSEMBLY
ABBREVIATION LIST
List of abbreviations used in the text
RELATED INFORMATION ON DISASSEMBLY AND ASSEMBLY
HOW TO READ THIS MANUAL
COATING MATERIALS LIST
ENGINE AND COOLING SYSTEM
REMOVE AND INSTALL SUPPLY PUMP ASSEMBLY
REMOVE AND INSTALL INJECTOR ASSEMBLY
REMOVE AND INSTALL CYLINDER HEAD ASSEMBLY
REMOVE AND INSTALL EGR VALVE ASSEMBLY
REMOVE AND INSTALL STARTING MOTOR ASSEMBLY
REMOVE AND INSTALL AIR CONDITIONER COMPRESSOR BELT
REMOVE AND INSTALL ALTERNATOR BELT
REMOVE AND INSTALL ALTERNATOR ASSEMBLY
REMOVE AND INSTALL COOLING FAN AND FAN MOTOR ASSEMBLY
REMOVE AND INSTALL RADIATOR AND HYDRAULIC TANK ASSEMBLY
REMOVE AND INSTALL ENGINE ASSEMBLY
INSTALLATION OF ENGINE ASSEMBLY
REMOVE AND INSTALL ENGINE FRONT OIL SEAL
REMOVE AND INSTALL ENGINE HOOD ASSEMBLY
REMOVE AND INSTALL AFTERTREATMENT DEVICE
METHOD FOR REMOVING AFTER TREATMENT DEVICE ASSEMBLY
REMOVE AND INSTALL FUEL TANK ASSEMBLY
REMOVE AND INSTALL AIR CLEANER ASSEMBLY
REMOVE AND INSTALL AIR CONDITIONER COMPRESSOR ASSEMBLY
REMOVE AND INSTALL AIR CONDITIONER CONDENSER ASSEMBLY
POWER TRAIN
PUMP FOR STEERING, WORK EQUIPMENT, COOLING FAN
ARTICULATED JOINT ASSEMBLY
HST MOTOR ASSEMBLY
HST PUMP ASSEMBLY
GEARBOX (TRANSFER ASSEMBLY)
MANDATORY PROCEDURE
PLANETARY REDUCTION GEAR
REAR AXLE ASSEMBLY
PRECAUTIONS FOR ASSEMBLY AND DISASSEMBLY OF AXLE COMPONENTS
PLANETARY REDUCTION AND AXLE SHAFT
RING AND PINION ADJUSTING: STEP FOR PRELOADED DIFFERENTIAL
DIFFERENTIAL WITH BLOCK TO SPHERES 100%
DIFFERENTIAL UNIT 45%
FRONT AXLE ASSEMBLY
PRECAUTIONS FOR ASSEMBLY AND DISASSEMBLY OF AXLE COMPONENTS
BRAKE: SERVICE BRAKE, NEGATIVE BRAKE, 100% LOCKED
DISASSEMBLY AND ASSEMBLY OF NORMAL PRELOADED DIFFERENTIAL UNIT
PRELOADED LIMITED SLIP DIFFERENTIAL UNIT 45%
BEVEL PINION: NORMAL FLANGE AND NUT REVOLUTION COUNTER VERSION
BEVEL PINION 
RING AND PINION ADJUSTING: VERSION PINION COVER AND SINGLE ARM
RING AND PINION ADJUSTING: VERSION PINION INTEGRAL AND DOUBLE ARM
UNDERCARRIAGE AND FRAME
REMOVAL AND INSTALLATION OF COUNTERWEIGHTASSEMBLY
HYDRAULIC SYSTEM
REMOVE AND INSTALL LIFT CYLINDER ASSEMBLY
REMOVE AND INSTALL DUMP CYLINDER ASSEMBLY
REMOVE AND INSTALL STEERING CYLINDER ASSEMBLY 
WORK EQUIPMENT SYSTEM
REMOVE AND INSTALL MAIN VALVE ASSEMBLY
REMOVE AND INSTALL QUICK COUPLER ASSEMBLY
CAB AND ITS ATTACHMENTS
REMOVE AND INSTALL OPERATOR‘S CAB GLASS (ADHERED GLASS)
REMOVE AND INSTALL AIR CONDITIONER UNIT ASSEMBLY
REMOVE AND INSTALL OPERATOR‘S SEAT ASSEMBLY
REMOVE AND INSTALL SEAT BELT
ELECTRICAL SYSTEM
REMOVE AND INSTALL ENGINE CONTROLLER ASSEMBLY
REMOVE AND INSTALL HST CONTROLLER ASSEMBLY
REMOVE AND INSTALL MACHINE MONITOR ASSEMBLY
REMOVE AND INSTALL CENTRAL ELECTRIC BOARD (CEB)
REMOVE AND INSTALL RELAYBOX
REMOVE AND INSTALL EPC CONTROLLER ASSEMBLY

MAINTENANCE STANDARD
ABBREVIATION LIST
List of abbreviations used in the text
List of abbreviations used in the circuit diagrams
ENGINE AND COOLING
MAINTENANCE STANDARD OF ENGINE MOUNT
MAINTENANCE STANDARD OF DAMPER
MAINTENANCE STANDARD OF COOLING FAN MOTOR
POWER TRAIN
MAINTENANCE STANDARD OF TRANSFER
MAINTENANCE STANDARD OF REAR AXLE
MAINTENANCE STANDARD OF FRONT AXLE
BRAKE SYSTEM
MAINTENANCE STANDARD OF PARKING BRAKE
HYDRAULIC SYSTEM
MAINTENANCE STANDARD OF STEERING, WORK EQUIPMENT, COOLING FAN
MAINTENANCE STANDARD OF MAIN CONTROL VALVE
CAB AND ITS ATTACHMENTS
Cabin - adjustment

APPENDIX
ABBREVIATION LIST
List of abbreviations used in the text
List of abbreviations used in the circuit diagrams
AIR CONDITIONER SYSTEM
PRECAUTIONS FOR REFRIGERANT
AIR CONDITIONER COMPONENT
Specifications of air conditioner
CONFIGURATION AND FUNCTION OF REFRIGERATION CYCLE
OUTLINE OF REFRIGERATION CYCLE
Compression (Compressor)
Condensation (Condenser)
Expansion (Expansion valve)
Evaporation (Evaporator)
Relation between refrigerant and cooling trouble
AIR CONDITIONER TROUBLESHOOTING CHART
Cooling trouble
Heating trouble
CONNECTION OF SERVICE TOOL
METHOD FOR CONNECTING SERVICE TOOL
PRECAUTIONS FOR DISCONNECTING AND CONNECTING HOSES AND TUBES IN AIR CONDITIONER PIPINGS
Precautions for disconnection
Precautions for connection
HANDLE COMPRESSOR OIL
Management of compressor oil (SANDEN: SP-10 for use with R134a)
Filling of compressor oil
The quantity of compressor oil when the compressor is replaced

HYDRAULIC CIRCUIT DIAGRAM
WIRING DIAGRAMS

Engine 4D98E-6SHA workshop service manual