Komatsu Dump Truck HD325-8 HD405-8 service & repair manual

Description Komatsu Dump Truck HD325-8 HD405-8 service & repair manual

Komatsu Dump Truck HD325-8, HD405-8 pdf workshop service repair manual

Serial number 50001 and up

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

SERVICE MANUAL CONTENT:
INDEX AND FOREWORD
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 DEF
STORE DEF
PRECAUTIONS FOR HANDLING HYDRAULIC EQUIPMENT
PRECAUTIONS FOR DISCONNECTION AND CONNECTION OF PIPINGS
PRECAUTIONS FOR HANDLING ELECTRICAL EQUIPMENT
PRECAUTIONS FOR HANDLING FUEL SYSTEM EQUIPMENT
PRECAUTIONS FOR HANDLING INTAKE SYSTEM EQUIPMENT
PRACTICAL USE OF KOMTRAX
DISCONNECT AND CONNECT PUSH-PULL TYPE COUPLER
PRECAUTIONS FOR DISCONNECTION AND CONNECTION OF CONNECTORS
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 TIGHTENING TORQUE TABLE
CONVERSION TABLE

SPECIFICATIONS
SPECIFICATION DRAWING
WEIGHT TABLE
FUEL, COOLANT, AND LUBRICATING OIL (NORTH AMERICAN SPECIFICATION)
FUEL, COOLANT, AND LUBRICATING OIL (EU SPECIFICATION)

STRUCTURE AND FUNCTION
UREA SCR SYSTEM
LAYOUT DRAWING OF UREA SCR STSTEM
UREA SCR SYSTEM DIAGRAM
FUNCTION OF UREA SCR SYSTEM
COMPONENT PARTS OF UREA SCR SYSTEM
BOOT-UP SYSTEM
LAYOUT DRAWING OF BOOT-UP SYSTEM (For machines equipped with KOMTRAX terminal)
LAYOUT DRAWING OF BOOT-UP SYSTEM (For machines equipped with emergency engine stop switch) (For machines equipped with KOMTRAX terminal)
LAYOUT DRAWING OF BOOT-UP SYSTEM (For machines equipped with gateway function controller)
LAYOUT DRAWING OF BOOT-UP SYSTEM (For machines equipped with emergency engine stop switch) (For machines equipped with gateway function controller)
SYSTEM OPERATING LAMP SYSTEM
BATTERY DISCONNECT SWITCH
ENGINE SHUTDOWN SECONDARY SWITCH
ENGINE SYSTEM
LAYOUT DRAWING OF ENGINE SYSTEM
ENGINE CONTROL SYSTEM
AUTOMATIC IDLE STOP SYSTEM
COMPONENT PARTS OF ENGINE SYSTEM
COOLING SYSTEM
LAYOUT DRAWING OF COOLING SYSTEM
RADIATOR FAN CONTROL SYSTEM
COMPONENT PARTS OF COOLING SYSTEM
CONTROL SYSTEM
LAYOUT DRAWING OF CONTROL SYSTEM (For machines equipped with KOMTRAX terminal)
LAYOUT DRAWING OF CONTROL SYSTEM (For machines equipped with gateway function controller)
RETARDER AND HOIST CONTROL SYSTEM
MACHINE MONITOR SYSTEM
REARVIEW MONITOR SYSTEM
KOMTRAX SYSTEM
PAYLOAD METER SYSTEM
DROWSINESS DETECTION SYSTEM
COMPONENT PARTS OF CONTROL SYSTEM
HYDRAULIC SYSTEM
LAYOUT DRAWING OF HYDRAULIC SYSTEM
COMPONENT PARTS OF HYDRAULIC SYSTEM
POWER TRAIN SYSTEM
LAYOUT DRAWING OF POWER TRAIN SYSTEM
TRANSMISSION CONTROL SYSTEM
GEAR SHIFT CONTROL SYSTEM
DIRECTION CONTROL SYSTEM
KOMATSU TRACTION CONTROL SYSTEM (KTCS)
TRAVEL SPEED LIMITATION SYSTEM
COMPONENT PARTS OF POWER TRAIN SYSTEM
WORK EQUIPMENT SYSTEM
WORK EQUIPMENT CONTROL
LAYOUT DRAWING OF WORK EQUIPMENT CONTROL
HOIST CONTROL
COMPONENT PARTS OF WORK EQUIPMENT SYSTEM
STEERING SYSTEM
LAYOUT DRAWING OF STEERING SYSTEM
STEERING COLUMN
STEERING CONTROL LINKAGE
COMPONENT PARTS OF STEERING SYSTEM
BRAKE SYSTEM
LAYOUT DRAWING OF BRAKE SYSTEM
RETARDER CONTROL
ARSC SYSTEM
COMPONENT PARTS OF BRAKE SYSTEM
UNDERCARRIAGE AND FRAME
REAR AXLE SUPPORT
SUSPENSION
FRONT SUSPENSION
REAR SUSPENSION
SUSPENSION CYLINDER
WORK EQUIPMENT
CAB AND ITS ATTACHMENTS
ROPS CAB
CAB MOUNT

STANDARD VALUE TABLE
STANDARD VALUE TABLE FOR ENGINE
STANDARD VALUE TABLE FOR ENGINE: HD325-8
STANDARD VALUE TABLE FOR ENGINE: HD405-8
STANDARD VALUE TABLE FOR MACHINE
STANDARD VALUE TABLE FOR MACHINE: HD325-8
STANDARD VALUE TABLE FOR MACHINE: HD405-8
MACHINE POSTURE AND PROCEDURE FOR MEASURING PERFORMANCE

TESTING AND ADJUSTING
PRECAUTIONS BEFORE WORK
RELATED INFORMATION TO TEST AND ADJUST
TOOLS TO TEST AND ADJUST
DIAGRAM FOR TEST AND ADJUST TOOLS
ENGINE AND COOLING SYSTEM
TEST ENGINE SPEED
TEST BOOST PRESSURE
TEST EXHAUST GAS TEMPERATURE
TEST EXHAUST GAS COLOR
TEST AND ADJUST VALVE CLEARANCE
TEST COMPRESSION PRESSURE
TEST BLOWBY PRESSURE
TEST ENGINE OIL PRESSURE
TEST EGR VALVE AND VGT OIL PRESSURE
TEST FUEL PRESSURE
TEST FUEL RETURN RATE AND LEAKAGE
BLEED AIR FROM FUEL SYSTEM
TEST FUEL CIRCUIT LEAK
CYLINDER CUT-OUT MODE
NO-INJECTION CRANKING
CLEAN FUEL DOSER
PROGRAM INJECTOR TRIM CODE VALUE TO ENGINE CONTROLLER
PROGRAM ASH IN SOOT ACCUMULATION CORRECTION TO ENGINE CONTROLER
TEST SCR RELATED FUNCTIONS
CLEAN DEF TANK
CLEAN DEF PUMP
TEST TORQUE CONVERTER STALL SPEED
TEST RADIATOR FAN SPEED
POWER TRAIN
TEST POWER TRAIN OIL PRESSURE
ADJUST TRANSMISSION INPUT SHAFT SPEED SENSOR
ADJUST TRANSMISSION INTERMEDIATE SHAFT SPEED SENSOR
ADJUST TRANSMISSION OUTPUT SHAFT SPEED SENSOR
CHECK AFTER ADJUSTING TRANSMISSION SPEED SENSOR
MOVE MACHINE WITH ELECTRICAL SYSTEM PROBLEMS
STEERING SYSTEM
TEST AND ADJUST STEERING CIRCUIT OIL PRESSURE
TEST SUPPLY PRESSURE OF ORBITROL VALVE
TEST STEERING CYLINDER PRESSURE
BLEED AIR FROM STEERING CYLINDER CIRCUIT
BRAKE SYSTEM
RELEASE PRESSURE IN BRAKE ACCUMULATOR CIRCUIT
TEST WHEEL BRAKE OIL PRESSURE
TEST AND ADJUST BRAKE ACCUMULATOR PRESSURE
TEST NITROGEN GAS PRESSURE IN BRAKE ACCUMULATOR AND CHARGE NITROGEN GAS
TEST BRAKE PERFORMANCE
BLEED AIR FROM BRAKE CIRCUIT
TEST PARKING BRAKE OIL PRESSURE
RELEASE PARKING BRAKE MANUALLY
TEST THE AMOUNT OF FRONT BRAKE PAD WEAR
TEST THE AMOUNT OF REAR BRAKE DISC WEAR
TEST AND ADJUST PARKING BRAKE PAD
HYDRAULIC SYSTEM
TEST AND ADJUST HOIST CIRCUIT OIL PRESSURE
TEST HOIST CYLINDER SUPPLY PRESSURE
TEST OIL PRESSURE OF HOIST EPC VALVE CIRCUIT
TEST RADIATOR FAN CIRCUIT OIL PRESSURE
TEST AND ADJUST FRONT SUSPENSION CYLINDER
TEST AND ADJUST FRONT SUSPENSION CYLINDER (AUTOMATIC SUSPENSION SPECIFICATION)
TEST AND ADJUST REAR SUSPENSION CYLINDER
TEST KTCS CIRCUIT OIL PRESSURE (FOR MACHINE WITH KTCS)
WORK EQUIPMENT
TEST AND ADJUST DUMP BODY POSITIONER SENSOR
LOWER THE BODY MANUALLY
LIFT THE BODY MANUALLY
CAB AND ITS ATTACHMENTS
ADJUST STEERING WHEEL TILT LOCK LEVER
ADJUST RATTLING OPERATORS SEAT
ELECTRICAL SYSTEM
SET AND ADJUST EACH EQUIPMENT
SET AND OPERATE OF MACHINE MONITOR
PROCEDURE TO START UP KOMTRAX TERMINAL (For machines equipped with KOMTRAX terminal)
PROCEDURE TO FINISH KOMTRAX TERMINAL (For machines equipped with KOMTRAX terminal)
PROCEDURE TO START UP KOMTRAX SYSTEM (For machines equipped with gateway function controller)
PROCEDURE TO FINISH KOMTRAX SYSTEM(For machines equipped with gateway function controller)
SET DRIVER STATUS MONITOR
ADJUST REARVIEW CAMERA ANGLE
SET REGION OF BLUETOOTH® COMPATIBLE RADIO
ADJUST OPTICAL AXIS OF HEAD LAMP
VOLTAGE CIRCUIT OF ENGINE CONTROLLER WORK
BATTERY DISCONNECT SWITCH WORK (For machines equipped with KOMTRAX terminal)
BATTERY DISCONNECT SWITCH WORK (For machines equipped with gateway function controller)
TEST DIODES
Pm CLINIC
Pm CLINIC SERVICE

TROUBLESHOOTING
PRECAUTIONS BEFORE WORK
RELATED INFORMATION ON TROUBLESHOOTING
GENERAL TROUBLESHOOTING POINTS
TROUBLESHOOTING POINTS FOR UREA SCR SYSTEM
SEQUENCE OF EVENTS IN TROUBLESHOOTING
CHECKS BEFORE TROUBLESHOOTING
INSPECTION PROCEDURE BEFORE TROUBLESHOOTING
TESTING IN ACCORDANCE WITH TESTING PROCEDURE
ELECTRICAL SYSTEM TROUBLESHOOTING - PREPARATION
PROCEDURE FOR TESTING AND TROUBLESHOOTING
SYMPTOM AND TROUBLESHOOTING NUMBERS
INFORMATION DESCRIBED IN TROUBLESHOOTING TABLE
CONNECTORS LIST AND LAYOUT
CONNECTOR CONTACT IDENTIFICATION
T-BRANCH BOX AND T-BRANCH ADAPTER TABLE
FUSE LOCATION TABLE (For machines equipped with KOMTRAX terminal)
FUSE LOCATION TABLE (For machines equipped with gateway function controller)
PRECAUTIONS FOR CLEANING AND REPLACING KDPF (KCSF and KDOC)
PREPARATION FOR TROUBLESHOOTING OF MACHINE MONITOR
PROCEDURES FOR CREATING HARNESS CHECKER ON MACHINE MONITOR LCD UNIT
PREPARATION OF SHORT CIRCUIT ELECTRICAL CONNECTOR (FOR FAILURE CODES [CA1883] and [CA3135])
FAILURE CODES TABLE
TROUBLESHOOTING BY FAILURE CODE (DISPLAY OF CODE)
TROUBLESHOOTING OF ELECTRICAL SYSTEM (E-MODE)
TROUBLESHOOTING FOR HYDRAULIC AND MECHANICAL SYSTEMS (H MODE)
TROUBLESHOOTING OF ENGINE (S-MODE)

DISASSEMBLY AND ASSEMBLY
PRECAUTIONS BEFORE WORK
DISASSEMBLE AND ASSEMBLE-RELATED INFORMATION
HOW TO READ THIS MANUAL
COATING MATERIALS LIST
SPECIAL TOOL LIST
DIAGRAMS OF SPECIAL TOOLS
ENGINE AND COOLING SYSTEM
REMOVE AND INSTALL SUPPLY PUMP ASSEMBLY
REMOVE AND INSTALL INJECTOR ASSEMBLY
REMOVE AND INSTALL FUEL DOSER ASSEMBLY
REMOVE AND INSTALL CYLINDER HEAD ASSEMBLY
REMOVE AND INSTALL EGR VALVE ASSEMBLY
REMOVE AND INSTALL EGR COOLER ASSEMBLY
REMOVE AND INSTALL STARTING MOTOR ASSEMBLY
REMOVE AND INSTALL ALTERNATOR BELT
REMOVE AND INSTALL RADIATOR
REMOVE AND INSTALL COOLER ASSEMBLY
REMOVE AND INSTALL COOLING FAN AND FAN MOTOR ASSEMBLY
REMOVE AND INSTALL AFTERCOOLER ASSEMBLY
REMOVE AND INSTALL GRILLE GUARD ASSEMBLY
REMOVE AND INSTALL ENGINE ASSEMBLY
REMOVE AND INSTALL ENGINE FRONT OIL SEAL
REMOVE AND INSTALL ENGINE REAR OIL SEAL
REMOVE AND INSTALL OUTPUT SHAFT ASSEMBLY
DISASSEMBLE AND ASSEMBLE OF OUTPUT SHAFT ASSEMBLY
REMOVE AND INSTALL DEF TANK ASSEMBLY
REMOVE AND INSTALL DEF TANK SENSOR FLANGE ASSEMBLY
REMOVE AND INSTALL DEF TANK SENSOR
REMOVE AND INSTALL DEF TANK STRAINER
REMOVE AND INSTALL KDPF, SCR ASSEMBLY
REMOVE AND INSTALL KDPF ASSEMBLY
DISASSEMBLE AND ASSEMBLE OF KDPF ASSEMBLY
REMOVE AND INSTALL SCR ASSEMBLY
REMOVE AND INSTALL KCCV ASSEMBLY
REMOVE AND INSTALL DEF MIXING TUBE
REMOVE AND INSTALL DEF INJECTOR
REMOVE AND INSTALL DEF PUMP
REMOVE AND INSTALL DEF HOSE
REMOVE AND INSTALL AIR CLEANER ASSEMBLY
REMOVE AND INSTALL AIR CONDITIONER COMPRESSOR ASSEMBLY
POWER TRAIN
REMOVE AND INSTALL TORQUE CONVERTER AND TRANSMISSION ASSEMBLY
DISCONNECT AND CONNECT TORQUE CONVERTER AND TRANSMISSION ASSEMBLY
DISASSEMBLE AND ASSEMBLE OF TORQUE CONVERTER ASSEMBLY
DISASSEMBLE AND ASSEMBLE OF TRANSMISSION ASSEMBLY
REMOVE AND INSTALL DIFFERENTIAL ASSEMBLY
DISASSEMBLE AND ASSEMBLE OF DIFFERENTIAL ASSEMBLY
REMOVE AND INSTALL FRONT BRAKE CALIPER PAD
REMOVE AND INSTALL FRONT BRAKE CALIPER ASSEMBLY
DISASSEMBLE AND ASSEMBLE OF FRONT BRAKE CALIPER ASSEMBLY
REMOVE AND INSTALL FINAL DRIVE AND REAR BRAKE ASSEMBLY
REMOVE AND INSTALL PARKING BRAKE PAD ASSEMBLY
REMOVE AND INSTALL PARKING BRAKE CALIPER ASSEMBLY
DISASSEMBLE AND ASSEMBLE OF FINAL DRIVE CARRIER ASSEMBLY
DISASSEMBLE AND ASSEMBLE OF FINAL DRIVE ASSEMBLY
REMOVE AND INSTALL SLACK ADJUSTER ASSEMBLY
STEERING SYSTEM
REMOVE AND INSTALL STEERING VALVE ASSEMBLY
DISASSEMBLE AND ASSEMBLE OF STEERING CYLINDER ASSEMBLY
REMOVE AND INSTALL SECONDARY STEERING MOTOR PUMP ASSEMBLY
UNDERCARRIAGE AND FRAME
REMOVE AND INSTALL FRONT WHEEL ASSEMBLY
REMOVE AND INSTALL REAR WHEEL ASSEMBLY
REMOVE AND INSTALL FRONT SUSPENSION CYLINDER ASSEMBLY
DISASSEMBLE AND ASSEMBLE OF FRONT SUSPENSION CYLINDER ASSEMBLY (CYLINDER WITH BUFFER RING)
REMOVE AND INSTALL KING PIN
DISASSEMBLE AND ASSEMBLE OF VARIABLE DAMPING SELECTOR VALVE ASSEMBLY
REMOVE AND INSTALL REAR SUSPENSION CYLINDER ASSEMBLY
DISASSEMBLE AND ASSEMBLE OF REAR SUSPENSION CYLINDER ASSEMBLY (CYLINDER WITH BUFFER RING)
DISASSEMBLE AND ASSEMBLE OF FRONT WHEEL HUB ASSEMBLY
HYDRAULIC SYSTEM
REMOVE AND INSTALL HOIST VALVE ASSEMBLY
DISASSEMBLE AND ASSEMBLE OF HOIST CYLINDER ASSEMBLY
WORK EQUIPMENT
REMOVE AND INSTALL DUMP BODY ASSEMBLY
CAB AND ITS ATTACHMENTS
REMOVE AND INSTALL AIR CONDITIONER ASSEMBLY
REMOVE AND INSTALL OPERATORS SEAT ASSEMBLY
REMOVE AND INSTALL SEAT BELT
ELECTRICAL SYSTEM
REMOVE AND INSTALL ENGINE CONTROLLER ASSEMBLY
REMOVE AND INSTALL RETARDER AND HOIST CONTROLLER ASSEMBLY
REMOVE AND INSTALL TRANSMISSION CONTROLLER ASSEMBLY
REMOVE AND INSTALL MACHINE MONITOR ASSEMBLY
REMOVE AND INSTALL MONITOR CONTROLLER ASSEMBLY
REMOVE AND INSTALL MASS AIR FLOW AND TEMPERATURE SENSOR
REMOVE AND INSTALL SCR TEMPERATURE SENSOR
REMOVE AND INSTALL KOMTRAX CONTROLLER ASSEMBLY
REMOVE AND INSTALL GATEWAY FUNCTION CONTROLLER ASSEMBLY
REMOVE AND INSTALL COMMUNICATION TERMINAL WIRING HARNESS
REMOVE AND INSTALL COMMUNICATION TERMINAL
REMOVE AND INSTALL KCCV CRANKCASE PRESSURE SENSOR
REMOVE AND INSTALL DRIVER STATUS MONITOR
REMOVE AND INSTALL TRANSLATOR CONTROLLER
REMOVE AND INSTALL DROWSINESS DETECTION CAMERA
REMOVE AND INSTALL DROWSINESS ALARM BUZZER
REMOVE AND INSTALL DROWSINESS DETECTION WIRING HARNESS

MAINTENANCE STANDARD
ABBREVIATIONS
ENGINE AND COOLING SYSTEM
MAINTENANCE STANDARD OF ENGINE MOUNT
MAINTENANCE STANDARD OF OUTPUT SHAFT
MAINTENANCE STANDARD OF COOLING FAN AND HOIST PUMP
MAINTENANCE STANDARD OF COOLING FAN MOTOR
POWER TRAIN
MAINTENANCE STANDARD OF DRIVE SHAFT
MAINTENANCE STANDARD OF TORQUE CONVERTER AND TRANSMISSION MOUNT
MAINTENANCE STANDARD OF TORQUE CONVERTER AND PTO
MAINTENANCE STANDARD OF TRANSMISSION
MAINTENANCE STANDARD OF FORWARD AND REVERSE CLUTCH ECMV AND GEAR SPEED CLUTCH ECMV
MAINTENANCE STANDARD OF LOCKUP CLUTCH ECMV
MAINTENANCE STANDARD OF FRONT AXLE
MAINTENANCE STANDARD OF REAR AXLE
MAINTENANCE STANDARD OF DIFFERENTIAL
MAINTENANCE STANDARD OF FINAL DRIVE
STEERING SYSTEM
MAINTENANCE STANDARD OF STEERING COLUMN
MAINTENANCE STANDARD OF STEERING CONTROL LINKAGE
MAINTENANCE STANDARD OF DEMAND VALVE
MAINTENANCE STANDARD OF STEERING CYLINDER
BRAKE SYSTEM
MAINTENANCE STANDARD OF SLACK ADJUSTER
MAINTENANCE STANDARD OF FRONT BRAKE
MAINTENANCE STANDARD OF REAR BRAKE
MAINTENANCE STANDARD OF PARKING BRAKE
UNDERCARRIAGE AND FRAME
MAINTENANCE STANDARD OF FRONT SUSPENSION CYLINDER
MAINTENANCE STANDARD OF REAR SUSPENSION CYLINDER
MAINTENANCE STANDARD OF REAR AXLE SUPPORT
HYDRAULIC SYSTEM
MAINTENANCE STANDARD OF STEERING AND HOIST PUMP
MAINTENANCE STANDARD OF POWER TRAIN AND BRAKE CONTROL DUPLEX PUMP
MAINTENANCE STANDARD OF BRAKE COOLING DUPLEX PUMP
MAINTENANCE STANDARD OF HOIST VALVE
WORK EQUIPMENT
MAINTENANCE STANDARD OF HOIST CYLINDER
CAB AND ITS ATTACHMENTS
MAINTENANCE STANDARD OF CAB MOUNT

THE OTHER INFORMATION
PRECAUTIONS BEFORE WORK
ABBREVIATIONS
AIR CONDITIONER SYSTEM
PRECAUTIONS FOR REFRIGERANT
AIR CONDITIONER COMPONENT
SPECIFICATIONS OF AIR CONDITIONER
CONFIGURATION AND FUNCTION OF REFRIGERATION CYCLE
OUTLINE OF REFRIGERATION CYCLE
COMPONENT PARTS OF AIR CONDITIONER SYSTEM
AIR CONDITIONER UNIT
COMPONENT PARTS OF AIR CONDITIONER UNIT
AIR CONDITIONER CONTROLLER
COMPRESSOR
CONDENSER
SENSORS FOR AIR CONDITIONER SYSTEM
EXPLANATION OF PROCEDURE FOR TESTING AND TROUBLESHOOTING OF AIR CONDITIONER
CIRCUIT DIAGRAM AND ARRANGEMENT OF CONNECTOR PINS FOR AIR CONDITIONER
AIR CONDITIONER SYSTEM DIAGRAM
INPUT AND OUTPUT SIGNALS OF AIR CONDITIONER CONTROLLER
INSTALLATION LOCATIONS OF AIR CONDITIONER PARTS AND ARRANGEMENT OF CONNECTORS
TESTING AIR LEAKAGE (DUCT)
METHOD FOR TESTING AIR LEAKAGE (DUCT)
TESTING AIR CONDITIONER USING SELF-DIAGNOSIS FUNCTION
HOW TO OPEN THE ELECTRICAL SYSTEM ABNORMALITY RECORD SCREEN IN SERVICE MODE OF THE MACHINE MONITOR
TEST VENT (MODE) CHANGEOVER
METHOD FOR TESTING VENT (MODE) CHANGEOVER
TESTING FRESH/RECIRC AIR CHANGEOVER
METHOD FOR TESTING FRESH/RECIRC AIR CHANGEOVER
TEST (DUAL) PRESSURE SWITCH FOR REFRIGERANT
METHOD FOR TESTING (DUAL) PRESSURE SWITCH FOR REFRIGERANT
TEST RELAYS
METHOD FOR TESTING RELAYS
AIR CONDITIONER TROUBLESHOOTING CHART
INFORMATION DESCRIBED IN TROUBLESHOOTING TABLE
A-1 TROUBLESHOOTING FOR POWER SUPPLY SYSTEM (AIR CONDITIONER DOES NOT OPERATE)
A-2 TROUBLESHOOTING FOR COMPRESSOR AND REFRIGERANT SYSTEM (AIR IS NOT COOLED)
A-3 TROUBLESHOOTING FOR BLOWER MOTOR SYSTEM (NO AIR COMES OUT OR AIR FLOW IS ABNORMAL)
A-4 TROUBLESHOOTING FOR FRESH/RECIRC AIR CHANGEOVER
TROUBLESHOOTING USING GAUGE PRESSURE
CONNECTION OF SERVICE TOOL
METHOD FOR CONNECTING SERVICE TOOL
PRECAUTIONS FOR DISCONNECTING AND CONNECTING HOSES AND TUBES IN AIR CONDITIONER PIPINGS
HANDLE COMPRESSOR OIL
METHOD FOR REPLACING DESICCANT

CIRCUIT DIAGRAMS
ABBREVIATIONS
HYDRAULIC CIRCUIT DIAGRAM
SYMBOLS USED IN HYDRAULIC CIRCUIT DIAGRAM
POWER TRAIN HYDRAULIC CIRCUIT DIAGRAM
ELECTRICAL CIRCUIT DIAGRAM
SYMBOLS USED IN ELECTRICAL CIRCUIT DIAGRAM

Engine SAA6D140E-7 workshop service repair manual