Komatsu Articulated Dump Truck HM400-1L service & repair manual

Description Komatsu Articulated Dump Truck HM400-1L service & repair manual

Komatsu Articulated Dump Truck HM400-1L pdf workshop service repair manual + operation & maintenance manual

Serial number A10001 and up

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

MANUAL CONTENT:
GENERAL
SPECIFICATION DRAWING
SPECIFICATIONS
WEIGHT TABLE
FUEL, COOLANT AND LUBRICANTS
ENGINE OIL SPECIFICATIONS
NORMAL OPERATION
ARCTIC OPERATION
TRANSMISSION, TORQUE CONVERTER, TRANSFER CASE AND OIL COOLER, SERVICE
BRAKES AND HYDRAULIC SYSTEM OIL SPECIFICATIONS
FINAL DRIVE OIL SPECIFICATIONS
DRIVE AXLE OIL SPECIFICATIONS
DIESEL FUEL SPECIFICATIONS
COOLANT SPECIFICATIONS
GENERAL
WATER
ANTIFREEZE
SUPPLEMENTAL COOLANT ADDITIVES
COOLING SYSTEM TEST

STRUCTURE AND FUNCTION
RADIATOR, OIL COOLER, AFTERCOOLER
SPECIFICATIONS
POWER TRAIN SKELETON
LOCKING DIFFERENTIAL
OUTPUT SHAFT
TORQUE CONVERTER AND TRANSMISSION HYDRAULIC PIPING
TORQUE CONVERTER
SPECIFICATIONS
TRANSMISSION POWER PATH
OIL FLOW
TRANSMISSION
DIFFERENTIAL LOCK
CLUTCH OPERATIONS
FORWARD 1ST
FORWARD 2ND
FORWARD 3RD
FORWARD 4TH
FORWARD 5TH
FORWARD 6TH
REVERSE 1ST
TRANSMISSION VALVE
ECMV (ELECTRONIC CONTROL MODULATION VALVE)
ECMV FOR LOCK-UP CLUTCH
DURING DIRECT TRAVEL
FROM TORQUE CONVERTER TRAVEL TO DIRECT TRAVEL
ECMV SPEED CLUTCH
ECMV OUTLINE
ECMV AND PROPORTIONAL SOLENOID
ECMV AND FILL SWITCH
ECMV OPERATION
ECMV FOR DIFFERENTIAL LOCK
MAIN RELIEF, TORQUE CONVERTER RELIEF VALVE
TORQUE CONVERTER RELIEF VALVE
MAIN RELIEF VALVE
DRIVE SHAFT
AXLE
FRONT
CENTER
REAR
LOCKING DIFFERENTIAL
FRONT
CENTER
REAR
TRAVELING IN A STRAIGHT LINE
TURNING
WHEN DIFFERENTIAL LOCK IS ACTUATED
FINAL DRIVE
FRONT
CENTER, REAR
STEERING COLUMN
BRAKE PIPING
BRAKE VALVE
UPPER PORTION
LOWER PORTION
APPLYING BRAKE WHEN UPPER VALVE FAILS
APPLYING BRAKE WHEN LOWER VALVE FAILS
WHEN ACTUATION IS BALANCED
BRAKE RELEASED
ACCUMULATOR CHARGE VALVE
ACCUMULATOR
SLACK ADJUSTER
BRAKE
FRONT
CENTER, REAR
PROPORTIONAL REDUCING VALVE
BRAKE SYSTEM TANK
PARKING BRAKE
PARKING BRAKE CALIPER
SPRING CYLINDER
PARKING BRAKE SOLENOID
SUSPENSION
FRONT
REAR
SUSPENSION CYLINDER
STRUCTURE AND OPERATION
OSCILLATION HITCH
STEERING, HOIST OIL PRESSURE PIPING DIAGRAM
DUMP BODY CONTROL
HYDRAULIC TANK AND FILTER
FLOW AMP VALVE
STEERING VALVE
CONNECTION BETWEEN HAND PUMP AND SLEEVE
FUNCTION OF CENTER SPRING
STEERING CYLINDER
HOIST VALVE
HOIST VALVE AT HOLD POSITION
HOIST VALVE AT RAISE POSITION
HOIST VALVE AT FLOAT POSITION
HOIST VALVE AT LOWER POSITION
EPC VALVE
PILOT CHECK VALVE
HOIST CYLINDER
HYDRAULIC PUMP
STEERING, HOIST + PILOT PUMP
TRANSMISSION + DIFFERENTIAL LOCK PUMP
BRAKE COOLING + BRAKE PUMP
AUXILIARY STEERING PUMP
DIFFERENTIAL LOCK PUMP
CAB TILT
AIR CONDITIONER
AIR CONDITIONER UNIT
RECEIVER DRYER
CONDENSER
COMPRESSOR
MACHINE MONITOR SYSTEM
NETWORK DATA
MACHINE MONITOR
OPTION SETTING CONNECTOR DIAGRAM
ADJUSTING MACHINE MONITOR
MACHINE MONITOR NORMAL DISPLAY FUNCTIONS
SELF-DIAGNOSTIC FUNCTION WHEN OPERATING STARTING SWITCH
CHECK FUNCTION OF CENTRAL WARNING LAMP, ALARM BUZZER, MONITOR LAMPS AND METERS
SERVICE METER DISPLAY
ODOMETER
OUTLINE OF SERVICE MODE
OPERATION METHOD
AUTOMATIC SHIFT CONTROL SYSTEM
TRANSMISSION CONTROLLER
GEARSHIFT LEVER POSITION AND AUTOMATIC GEARSHIFTING RANGE
GEARSHIFTING CHARACTERISTICS
AUTOMATIC GEARSHIFTING GRAPH
GEARSHIFT LEVER POSITIONS AND SHIFTING METHOD
SHIFT HOLD FUNCTION
GEARSHIFTING TIME DELAY
SAFETY FUNCTIONS
SELF-DIAGNOSTIC FUNCTION
AUTO AUXILIARY STEERING SYSTEM
SENSORS, SWITCHES
ENGINE SPEED SENSOR
ACCELERATOR SENSOR
ACCELERATOR SIGNAL
IDLE VALIDATION SIGNAL
ENGINE COOLANT TEMPERATURE SENSOR
BRAKE COOLING OIL TEMPERATURE SENSOR
STEERING OIL TEMPERATURE SENSOR
FUEL LEVEL SENSOR
TILT SENSOR
AIR CLEANER CLOGGING SENSOR
HYDRAULIC OIL LEVEL SENSOR
BODY POSITIONER SENSOR
RETARDER CONTROL SYSTEM
RETARDER CONTROLLER
RETARDER CONTROL FUNCTION
RETARDER CONTROL SYSTEM DIAGRAM
HOIST CONTROL SYSTEM DIAGRAM
DIFFERENTIAL LOCK CONTROL FUNCTION
DIFFERENTIAL LOCK CONTROL SYSTEM DIAGRAM
BRAKE CONTROL SYSTEM (E-SPEC)
BRAKE CONTROLLER (E-SPEC)
BRAKE CONTROL FUNCTION
BRAKE CONTROL SYSTEM DIAGRAM
HOIST CONTROL FUNCTION
HOIST CONTROL SYSTEM DIAGRAM
DIFFERENTIAL LOCK CONTROL FUNCTION
DIFFERENTIAL LOCK CONTROL SYSTEM DIAGRAM
DUMP CONTROL LEVER
DUMP CONTROL LEVER OPERATED TO FLOAT
DUMP CONTROL LEVER FLOAT CANCELED
DUMP CONTROL LEVER OPERATED TO LOWER
DUMP CONTROL LEVER OPERATED TO RAISE
DUMP CONTROL LEVER RAISE CANCELED
PLM-HM
SYSTEM STRUCTURE
PRINCIPLE OF CALCULATION
ACCURATE CALCULATION
GENERAL LOCATIONS OF LOAD METER
LEFT FACE
BASIC FUNCTIONS
KEY OPERATION
SERVICE CHECK MODE
SENSORS
ERROR CODE TABLE
LOCAL INSTALLATION

TESTING, ADJUSTING AND TROUBLESHOOTING
STANDARD VALUE TABLE FOR ENGINE
STANDARD VALUE TABLE FOR CHASSIS
STANDARD VALUE TABLE FOR ELECTRICAL COMPONANTS
TOOLS FOR TESTING, ADJUSTING, AND TROUBLESHOOTING
ENGINE COMPONENT

DISASSEMBLY AND ASSEMBLY
PRECAUTIONS WHEN CARRYING OUT OPERATION
SPECIAL TOOL LIST
SKETCHES OF SPECIAL TOOLS
FUEL SUPPLY PUMP REMOVAL
FUEL SUPPLY PUMP INSTALLATION
ENGINE ASSEMBLY REMOVAL
ENGINE ASSEMBLY INSTALLATION
CYLINDER HEAD ASSEMBLY REMOVAL
CYLINDER HEAD INSTALLATION
REMOVAL AND INSTALLATION OF NOZZLE TIP
RADIATOR ASSEMBLY REMOVAL
RADIATOR ASSEMBLY INSTALLATION
OUTPUT SHAFT REMOVAL
OUTPUT SHAFT INSTALLATION
OUTPUT SHAFT DISASSEMBLY DIAGRAM
ASSEMBLY OF OUTPUT SHAFT
TRANSMISSION AND FRONT DIFFERENTIAL REMOVAL
TRANSMISSION AND FRONT DIFFERENTIAL INSTALLATION
DISCONNECTION OF FRONT DIFFERENTIAL AND TRANSMISSION
COUPLING OF FRONT DIFFERENTIAL AND TRANSMISSION
DISASSEMBLY OF TORQUE CONVERTER
ASSEMBLY OF TORQUE CONVERTER
DISASSEMBLY OF TRANSMISSION
ASSEMBLY OF TRANSMISSION
DISASSEMBLY OF FRONT DIFFERENTIAL
ASSEMBLY OF FRONT DIFFERENTIAL
REMOVAL OF CENTER DIFFERENTIAL
INSTALLATION OF CENTER DIFFERENTIAL
DISASSEMBLY OF CENTER DIFFERENTIAL
ASSEMBLY OF CENTER DIFFERENTIAL
REAR DIFFERENTIAL REMOVAL
REAR DIFFERENTIAL INSTALLATION
DISASSEMBLY OF REAR DIFFERENTIAL
ASSEMBLY OF REAR DIFFERENTIAL
REMOVAL OF FRONT FINAL DRIVE AND BRAKE
INSTALLATION OF FRONT FINAL DRIVE AND BRAKE
DISASSEMBLY OF FRONT FINAL DRIVE AND BRAKE
ASSEMBLY OF FRONT FINAL DRIVE AND BRAKE
REMOVAL OF CENTER FINAL DRIVE AND BRAKE
INSTALLATION OF CENTER FINAL DRIVE AND BRAKE
DISASSEMBLY OF CENTER FINAL DRIVE AND PLATE
ASSEMBLY OF CENTER FINAL DRIVE AND BRAKE
REMOVAL OF REAR FINAL DRIVE AND BRAKE
INSTALLATION OF REAR FINAL DRIVE AND BRAKE
DISASSEMBLY OF REAR FINAL DRIVE AND BRAKE
ASSEMBLY OF REAR FINAL DRIVE AND BRAKE

OTHERS
POWER TRAIN HYDRAULIC CIRCUIT DIAGRAM
STEERING AND HOIST HYDRAULIC CIRCUIT DIAGRAM
DIFFERENTIAL LOCK HYDRAULIC CIRCUIT DIAGRAM
BRAKE HYDRAULIC CIRCUIT DIAGRAM
AIR CONDITIONER
TO ENGINE CONTROLLER
TO MAIN HARNESS INSIDE OF CAB
SWITCH PANEL
DISPLAY PANEL
RETARD CONTROLLER
TO TRANSMISSION CONTROLLER
TO HARNESS OUTSIDE OF CAB
FUSE BLOCK
LOAD METER

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