Komatsu Wheel Loader WA320PT-5L service & repair manual

Description Komatsu Wheel Loader WA320PT-5L service & repair manual

Komatsu Wheel Loader WA320PT-5L pdf workshop service repair manual + operation & maintenance manual

Serial number A39001 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
WEIGHT TABLE
FUEL, COOLANT AND LUBRICANTS
ENGINE OIL SPECIFICATIONS
NORMAL OPERATION
ARCTIC OPERATION
DRIVE TRAIN, BRAKE AND HYDRAULIC SYSTEM OIL SPECIFICATIONS
FINAL DRIVE OIL SPECIFICATIONS
DRIVE AXLE OIL SPECIFICATIONS
DIESEL FUEL SPECIFICATIONS
COOLANT SPECIFICATIONS
SUPPLEMENTAL COOLANT ADDITIVES
COOLING SYSTEM TEST KIT

STRUCTURE AND FUNCTION
POWER TRAIN
PATH OF POWER TRANSMISSION
TORQUE CONVERTER AND TRANSMISSION PIPING
TRANSMISSION HYDRAULIC SYSTEM DIAGRAM
TRANSMISSION HYDRAULIC CIRCUIT DIAGRAM
TORQUE CONVERTER
TORQUE CONVERTER OIL FILTER
TRANSMISSION
CLUTCH
FORWARD, REVERSE CLUTCH
1ST, 3RD CLUTCH
2ND, 4TH CLUTCH
OPERATION OF CLUTCH
FORWARD 1ST
FORWARD 2ND
FORWARD 3RD
FORWARD 4TH
REVERSE 1ST
TRANSMISSION CONTROL VALVE
UPPER VALVE
LOWER VALVE
TRANSMISSION SOLENOID VALVE
TORQUE CONVERTER OUTLET PORT VALVE
PILOT REDUCING VALVE
TRANSMISSION SOLENOID VALVE
PRIORITY VALVE
MAIN REGULATOR VALVE
QUICK RETURN VALVE
MODULATION FILL VALVE
DIRECTIONAL SELECTOR SPOOL
EMERGENCY MANUAL SPOOL
DRIVE SHAFT
AXLE
FRONT AXLE
FRONT DIFFERENTIAL
REAR AXLE
REAR DIFFERENTIAL
TORQUE PROPORTIONING DIFFERENTIAL
FINAL DRIVE
AXLE MOUNT
FRONT AXLE
REAR AXLE
CENTER HINGE PIN
STEERING PIPING
STEERING COLUMN
PRIORITY VALVE
STEERING VALVE (ORBITAL)
CONNECTION BETWEEN HAND PUMP AND SLEEVE
2-WAY RESTRICTOR VALVE
BRAKE PIPING
POWER MASTER CYLINDER
BRAKE OFF
OIL PRESSURE STARTING TO RISE
PRESSURE RISING
RELIEF VALVE
ONE BRAKE LINE ACTUATED
BRAKE
OPERATION
PARKING BRAKE CONTROL
PARKING BRAKE
HYDRAULIC PIPING
STEERING, HYDRAULIC PUMP HYDRAULIC SYSTEM DIAGRAM
WORK EQUIPMENT LEVER LINKAGE
HYDRAULIC TANK
OIL FILTER BYPASS VALVE
BREATHER
PPC VALVE
OPERATION OF PPC VALVE
FUNCTION OF PPC VALVE
PPC RELIEF VALVE
ACCUMULATOR (FOR PPC VALVE)
MAIN CONTROL VALVE
3-SPOOL VALVE
RELIEF VALVE
SAFETY VALVE (WITH SUCTION)
SUCTION VALVE
BOOM AND BUCKET SPOOL AT "NEUTRAL" POSITION
BOOM SPOOL AT "RAISE" POSITION
BOOM SPOOL AT "LOWER" POSITION
BOOM SPOOL AT "FLOAT" POSITION
BUCKET SPOOL AT "TILT BACK" POSITION
BUCKET SPOOL AT "DUMP" POSITION - SLOW SPEED DUMP
BUCKET SPOOL AT "DUMP" POSITION - FAST SPEED DUMP
COUPLER PLUNGERS EXTENDED, COUPLER ATTACHED
COUPLER PLUNGERS RETRACTED, COUPLER REMOVAL
WORK EQUIPMENT LINKAGE
BUCKET
BUCKET POSITIONER AND BOOM KICK-OUT
BUCKET OR FORK POSITIONER
BOOM KICK-OUT
PROXIMITY SWITCH
OPERATION OF THE PROXIMITY SWITCH
ROPS CAB
AIR CONDITIONER
AIR CONDITIONER PIPING
MACHINE MONITOR SYSTEM
MAIN MONITOR
MAIN MONITOR DISPLAY FUNCTION
PREHEATING OUTPUT FUNCTION
MAINTENANCE MONITOR DISPLAY FUNCTION
TRANSMISSION AUTO-SHIFT CONTROL SYSTEM
SHIFT CONTROL SYSTEM FUNCTION
INPUT SIGNALS
OUTPUT SIGNALS
SHIFT CHARACTERISTICS
SAFETY FUNCTION
TROUBLESHOOTING
MODEL (ENGINE) SELECT SIGNAL
TRANSMISSION CONTROLLER
LED DISPLAY
SENSORS AND SWITCHES
BRAKE OIL LEVEL SENSOR
RADIATOR WATER LEVEL
ENGINE OIL LEVEL SENSOR
FUEL LEVEL SENSOR
ENGINE COOLANT TEMPERATURE SENSOR
ENGINE SPEED SENSOR
ENGINE OIL PRESSURE SENSOR
ELECTRICAL WIRING DIAGRAM
ENGINE STARTING CIRCUIT
ENGINE STOP CIRCUIT
AUTOMATIC PREHEATING CIRCUIT
RIBBON HEATER
Q.H.S. WATER TEMPERATURE SENSOR
HEATER RELAY
ELECTRICAL TRANSMISSION CONTROL
COMBINATION SWITCH
TRANSMISSION CUT-OFF FUNCTION
PARKING BRAKE NEUTRALIZER RELAY FUNCTION
KICK DOWN, HOLD SWITCH
KICK-DOWN SWITCH
HOLD SWITCH
KICK DOWN ELECTRIC CIRCUIT DIAGRAM
DUMP SPEED SWITCH
QUICK COUPLER SWITCH

TESTING, ADJUSTING AND TROUBLESHOOTING
STANDARD VALUE TABLE
ENGINE TABLE - IN CHASSIS
CHASSIS TABLE
ELECTRICAL PARTS TABLE
SERVICE TOOLS TABLE
ADJUSTING ENGINE STOP MOTOR CABLE
ADJUSTING ENGINE STOP SOLENOID
MEASURING AND ADJUSTING VALVE CLEARANCE
MEASURING BLOW-BY PRESSURE
MEASURING COMPRESSION PRESSURE
MEASURING COOLANT TEMPERATURE
MEASURING ENGINE LUBRICATING OIL PRESSURE
MEASURING ENGINE SPEEDS
MEASURING EXHAUST COLOR
MEASURING EXHAUST GAS TEMPERATURE
MEASURING FUEL FILTER INLET RESTRICTION
TEST AND ADJUSTING FAN BELT TENSION
TEST AND ADJUSTING FUEL INJECTION TIMING
ACCELERATOR PEDAL
OPERATING FORCE
OPERATING ANGLE
SHIFT LEVER
OPERATING FORCE
TRAVEL
STALL SPEEDS
TORQUE CONVERTER STALL SPEED
HYDRAULIC STALL SPEED
FULL STALL SPEED
TORQUE CONVERTER
TRANSMISSION OIL PRESSURE
EMERGENCY MANUAL SPOOL
OPERATION
STEERING WHEEL
PLAY
OPERATING FORCE
OPERATING TIME
STEERING OIL PRESSURE
METHOD OF MEASURING MAIN RELIEF PRESSURE
METHOD OF ADJUSTING MAIN RELIEF PRESSURE
BRAKE
BRAKE PEDAL
OPERATING EFFORT
TRAVEL
BRAKE PEDAL LINKAGE
BRAKE PERFORMANCE
BRAKE OIL PRESSURE
BRAKE DISC WEAR
BLEEDING AIR
PARKING BRAKE
PARKING BRAKE PERFORMANCE
PARKING BRAKE LINKAGE
PARKING BRAKE PISTON STROKE
PARKING BRAKE DISC WEAR
WORK EQUIPMENT
WORK EQUIPMENT CONTROL LEVER
PPC VALVE
MEASURING PRESSURE
HYDRAULIC PRESSURE
MEASUREMENT
HYDRAULIC DRIFT
BOOM KICK-OUT
BUCKET / FORK POSITIONER
MAIN MONITOR
FUEL LEVEL SENSOR
CHECKING FOR ABNORMALITY
TROUBLESHOOTING - GENERAL
ELECTRICAL CONNECTORS
TROUBLESHOOTING SYSTEMS OF
A MODE - TRANSMISSION CONTROLLER SYSTEM
D MODE - ECSS (ELECTRONICALLY CONTROLLED SUSPENSION SYSTEM)
E MODE - ELECTRICAL SYSTEM
K MODE - MAINTENANCE MONITOR
M MODE - MAIN MONITOR
S MODE - ENGINE
T MODE - HYDRAULIC AND MECHANICAL
AIR CONDITIONER

DISASSEMBLY AND ASSEMBLY
PRECAUTIONS DURING OPERATION
PRECAUTIONS WHEN CARRYING OUT REMOVAL WORK
PRECAUTIONS WHEN CARRYING OUT INSTALLATION WORK
PRECAUTIONS WHEN COMPLETING THE OPERATIONS
OTHER PRECAUTIONS
SPECIAL TOOL LIST
ENGINE
ALTERNATOR ASSEMBLY
CYLINDER HEAD ASSEMBLY
ENGINE OIL COOLER ASSEMBLY
FUEL INJECTION PUMP ASSEMBLY
NOZZLE HOLDER ASSEMBLY
STARTING MOTOR ASSEMBLY
THERMOSTAT ASSEMBLY
TURBOCHARGER ASSEMBLY
WATER PUMP ASSEMBLY
COVERS, LADDER AND ENGINE HOOD
RADIATOR, HYDRAULIC COOLER ASSEMBLY
MUFFER AND AIR CLEANER
ENGINE ASSEMBLY
TORQUE CONVERTER CHARGING PUMP
TORQUE CONVERTER, TRANSMISSION
TORQUE CONVERTER
TRANSMISSION
CLUTCH PACK
DISASSEMBLY OF FR CLUTCH PACK
DISASSEMBLY OF 1ST AND 3RD CLUTCH PACK
DISASSEMBLY OF 2ND AND 4TH CLUTCH PACK
ASSEMBLY OF FORWARD, REVERSE CLUTCH PACK
ASSEMBLY OF 1ST AND 3RD CLUTCH PACK
ASSEMBLY OF 2ND AND 4TH CLUTCH PACK
PARKING BRAKE
TRANSMISSION CONTROL VALVE
TRANSMISSION SOLENOID VALVE
ACCUMULATOR VALVE
DRIVE SHAFT
FRONT AXLE
REAR AXLE
AXLE HOUSING
CENTER HINGE PIN
STEERING VALVE
ASSEMBLY OF CONTROL SIDE
ASSEMBLY OF ROTOR
PRIORITY VALVE
STEERING CYLINDER
POWER MASTER CYLINDER
PARKING BRAKE DISC
HYDRAULIC TANK
HYDRAULIC FILTER
WORK EQUIPMENT, STEERING PUMP
MAIN CONTROL VALVE
PPC VALVE TO MAIN CONTROL VALVE HYDRAULIC LINES
PPC VALVE
CYLINDER
BUCKET (TILT) CYLINDER
BOOM (LIFT) CYLINDER
HYDRAULIC CYLINDER
BOOM AND PARALLEL TOOL LINKAGE
ECSS SYSTEM
ECSS CIRCUIT - REMAINING PRESSURE REMOVAL
ECSS SOLENOID VALVE
ECSS CONTROL VALVE
COUNTERWEIGHT
FUEL TANK
CAB (ROPS)
MAIN MONITOR
MAINTENANCE MONITOR
AIR CONDITIONER
AIR CONDITIONER UNIT

MAINTENANCE STANDARD
TRANSMISSION, ENGINE MOUNT
TORQUE CONVERTER CHARGING PUMP
TORQUE CONVERTER
TRANSMISSION
FORWARD, REVERSE CLUTCH
1ST, 3RD CLUTCH
2nd, 4th CLUTCH
TRANSMISSION CONTROL VALVE
UPPER VALVE
LOWER VALVE
SOLENOID VALVE
ACCUMULATOR VALVE
DRIVE SHAFT
DIFFERENTIAL
FINAL DRIVE
AXLE MOUNT
CENTER HINGE PIN
STEERING COLUMN
PRIORITY VALVE
MASTER CYLINDER
BRAKE
PARKING BRAKE
HYDRAULIC PUMP
MAIN CONTROL VALVE
PILOT SOLENOID VALVE
PPC VALVE
HYDRAULIC CYLINDER

OTHERS
HYDRAULIC CIRCUIT DIAGRAM
ELECTRICAL WIRING DIAGRAM

Engine SAA6D102E-2 series workshop service repair manual