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Komatsu WA320-8 Wheel Loader Service Manual

3,238 pages · Publication SEN06597-05

$329.51
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Models
WA320-8
Serial coverage
85001 and up
Manual type
Service Manual
Pages
3,238
Publication
SEN06597-05
Condition
Brand new
Komatsu WA320-8 Wheel Loader Service Manual, publication SEN06597-05

What's inside

From the manual's own table of contents: 382 sections, 700 entries. See sample pages (PDF, 924 KB)

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 DEF
STORE AdBlue/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
HOW TO READ ELECTRICAL WIRE CODE
Show all 382 sections
EXPLANATION OF TERMS FOR MAINTENANCE STANDARD
STANDARD TIGHTENING TORQUE TABLE
CONVERSION TABLE
SPECIFICATIONS
SPECIFICATION DRAWING
WEIGHT TABLE
TABLE OF FUEL, COOLANT, AND LUBRICANTS
STRUCTURE AND FUNCTION
UREA SCR SYSTEM
LAYOUT DRAWING OF UREA SCR SYSTEM
UREA SCR SYSTEM DIAGRAM
FUNCTION OF UREA SCR SYSTEM
COMPONENT PARTS OF UREA SCR SYSTEM
SYSTEM
LAYOUT DRAWING OF BOOT-UP SYSTEM
SYSTEM OPERATING LAMP SYSTEM
BATTERY DISCONNECT SWITCH
PREHEATING SYSTEM
ENGINE SYSTEM
LAYOUT DRAWING OF ENGINE SYSTEM
ENGINE CONTROL SYSTEM
AUTOMATIC IDLE STOP SYSTEM
COMPONENT PARTS OF ENGINE SYSTEM
COOLING SYSTEM3 topics
  • LAYOUT DRAWING OF COOLING SYSTEM
  • COOLING FAN CONTROL SYSTEM
  • COMPONENT PARTS OF COOLING SYSTEM
CONTROL SYSTEM5 topics
  • LAYOUT DRAWING OF CONTROL SYSTEM
  • MACHINE MONITOR SYSTEM
  • REARVIEW MONITOR SYSTEM
  • KOMTRAX SYSTEM
  • COMPONENT PARTS OF CONTROL SYSTEM
HYDRAULIC SYSTEM3 topics
  • LAYOUT DRAWING OF HYDRAULIC SYSTEM
  • CLSS
  • COMPONENT PARTS OF HYDRAULIC SYSTEM
POWER TRAIN SYSTEM12 topics
  • LAYOUT DRAWING OF POWER TRAIN SYSTEM
  • OPERATION OF POWER TRAIN SYSTEM
  • DIRECTIONAL SELECTOR SWITCH CONTROL FUNCTION
  • HST CONTROL SYSTEM
  • HST CHARGE SYSTEM
  • HST PUMP CONTROL SYSTEM
  • HST CONTROLLER GEAR SHIFT CONTROL FUNCTION
  • TRANSFER CLUTCH CONTROL FUNCTION
  • HST SYSTEM PROTECTION FUNCTION
  • MAXIMUM SPEED LOW FUEL CONSUMPTION CONTROL
  • KOMATSU TRACTION CONTROL SYSTEM (KTCS)
  • COMPONENT PARTS OF POWER TRAIN SYSTEM
WORK EQUIPMENT SYSTEM8 topics
  • LAYOUT DRAWING OF WORK EQUIPMENT SYSTEM
  • WORK EQUIPMENT CONTROL SYSTEM
  • WORK EQUIPMENT LOCK SYSTEM
  • BUCKET POSITIONER SYSTEM
  • FORK POSITIONER SYSTEM
  • REMOTE POSITIONER SYSTEM
  • ECSS
  • COMPONENT PARTS OF WORK EQUIPMENT SYSTEM
STEERING SYSTEM3 topics
  • LAYOUT DRAWING OF STEERING SYSTEM
  • STEERING COLUMN
  • COMPONENT PARTS OF STEERING SYSTEM
BRAKE SYSTEM7 topics
  • LAYOUT DRAWING OF BRAKE SYSTEM
  • PARKING BRAKE CONTROL SYSTEM
  • COMPONENT PARTS OF BRAKE SYSTEM
  • LAYOUT DRAWING OF AUTO-GREASING SYSTEM
  • SPECIFICATIONS OF AUTO-GREASING SYSTEM
  • FUNCTION OF AUTO-GREASING SYSTEM
  • COMPONENT PARTS OF AUTO-GREASING SYSTEM
UNDERCARRIAGE AND FRAME2 topics
  • FRAME, AXLE MOUNT AND CENTER HINGE PIN
  • TIRE
WORK EQUIPMENT2 topics
  • STRUCTURE OF WORK EQUIPMENT
  • STRUCTURE OF BUCKET
CAB AND ITS ATTACHMENTS2 topics
  • ROPS CAB
  • CAB MOUNT
STANDARD VALUE TABLE
STANDARD VALUE TABLE FOR ENGINE
STANDARD VALUE TABLE FOR ENGINE: WA320-8
STANDARD VALUE TABLE FOR MACHINE
STANDARD VALUE TABLE FOR MACHINE: WA320-8
MACHINE POSTURE AND PROCEDURE FOR MEASURING PERFORMANCE
TESTING AND ADJUSTING
RELATED INFORMATION ON TESTING AND ADJUSTING
TOOLS FOR TESTING AND ADJUSTING
SKETCH OF TOOLS FOR TESTING AND ADJUSTING
ENGINE AND COOLING SYSTEM
TEST ENGINE SPEED
TEST BOOST PRESSURE
TESTING 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 DISCHARGE, RETURN AND LEAKAGE
BLEED AIR FROM FUEL SYSTEM
TEST FUEL CIRCUIT FOR LEAKAGE
HANDLE CYLINDER CUT-OUT MODE OPERATION
HANDLE NO-INJECTION CRANKING OPERATION
TEST KDPF, SCR AND MUFFLER STACK FOR LOOSENESS AND DAMAGE
TEST INSTALLED CONDITION OF CYLINDER HEADS AND MANIFOLDS
TEST ENGINE PIPING FOR DAMAGE AND LOOSENESS
TEST AND ADJUST AIR CONDITIONER COMPRESSOR BELT TENSION
TEST ALTERNATOR BELT
TEST AUTOMATIC TENSIONER
WRITE ASH IN SOOT ACCUMULATION CORRECTION TO ENGINE CONTROLLER
TEST SCR RELATED FUNCTIONS
CLEAN AdBlue/DEF TANK
POWER TRAIN
TEST AND ADJUST HST OIL PRESSURE
TEST THE CONTROL PRESSURE OF TRANSFER CLUTCH
TEST DRIVE SHAFT FOR LOOSENESS, BACKLASH, AND DAMAGE
TEST STEERING WHEEL
TEST AND ADJUST STEERING CIRCUIT OIL PRESSURE
BLEED AIR FROM STEERING CYLINDER CIRCUIT
RELEASE REMAINING PRESSURE IN BRAKE ACCUMULATOR CIRCUIT
TEST WHEEL BRAKE OIL PRESSURE
TEST AND ADJUST BRAKE ACCUMULATOR CHARGE PRESSURE
TEST BRAKING PERFORMANCE
TEST BRAKE PEDAL
BLEED AIR FROM BRAKE CIRCUIT
TEST LOWERING OF WHEEL BRAKE PRESSURE
TEST WEAR OF WHEEL BRAKE DISC
TEST PARKING BRAKE OIL PRESSURE
TEST PARKING BRAKE PERFORMANCE
RELEASE PARKING BRAKE MANUALLY14 topics
  • TEST WEAR AMOUNT OF PARKING BRAKE DISC
  • RELEASE REMAINING PRESSURE FROM WORK EQUIPMENT CIRCUIT
  • TEST AND ADJUST WORK EQUIPMENT OIL PRESSURE
  • TEST AND ADJUST WORK EQUIPMENT PPC OIL PRESSURE
  • BLEED AIR FROM WORK EQUIPMENT CIRCUIT
  • TEST COOLING FAN SPEED
  • TEST COOLING FAN CIRCUIT OIL PRESSURE
  • BLEED AIR FROM COOLING FAN CIRCUIT
  • NITROGEN GAS
  • TEST AND ADJUST BUCKET POSITIONER
  • TEST AND ADJUST BOOM POTENTIOMETER LEVER
  • TEST DIRECTIONAL LEVER
  • TEST MULTIFUNCTION MONO-LEVER
  • TEST ACCELERATOR PEDAL
ELECTRICAL SYSTEM7 topics
  • SET AND ADJUST EACH EQUIPMENT
  • SET AND OPERATE MACHINE MONITOR
  • METHOD FOR STARTING UP KOMTRAX TERMINAL
  • ADJUST REARVIEW CAMERA ANGLE
  • HANDLE VOLTAGE CIRCUIT OF ENGINE CONTROLLER
  • HANDLE BATTERY DISCONNECT SWITCH
  • TEST DIODES
DEVICE2 topics
  • BLEED THE AIR OF AUTO-GREASING SYSTEM
  • CHANGING OF LUBRICATION TIME AND LUBRICATION INTERVAL TIMES
Pm CLINIC1 topic
  • Pm CLINIC SERVICE
TROUBLESHOOTING
RELATED INFORMATION ON TROUBLESHOOTING19 topics
  • 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
  • SOR SYSTEM
  • CONNECTORS LIST AND LAYOUT
  • CONNECTOR CONTACT IDENTIFICATION
  • BOX AND T-BRANCH ADAPTER TABLE
  • FUSE LOCATION TABLE
  • 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
  • FAILURE CODES TABLE
TROUBLESHOOTING BY FAILURE CODE (DISPLAY OF CODE)
FAILURE CODE [2F00MA]
FAILURE CODE [2F00MB]
FAILURE CODE [2G42ZG]
FAILURE CODE [2G43ZG]
FAILURE CODE [6091NX]
FAILURE CODE [7RHYKA]
FAILURE CODE [7RHYKB]
FAILURE CODE [7RHYKY]
FAILURE CODE [879AKA]
FAILURE CODE [879AKB]
FAILURE CODE [879BKA]
FAILURE CODE [879BKB]
FAILURE CODE [879CKA]
FAILURE CODE [879CKB]
FAILURE CODE [879DKZ]
FAILURE CODE [879EMC]
FAILURE CODE [879FMC]
FAILURE CODE [989FN1]
FAILURE CODE [989L00]
FAILURE CODE [989M00]
FAILURE CODE [989N00]
FAILURE CODE [A1U0N3]
FAILURE CODE [A1U0N4]
FAILURE CODE [AA10NX]
FAILURE CODE [AB00KE]
FAILURE CODE [AB00KY]
FAILURE CODE [AQ10N3]
FAILURE CODE [AS00N3]
FAILURE CODE [AS00R2]
FAILURE CODE [AS00R3]
FAILURE CODE [AS00R4]
FAILURE CODE [AS00R5]
FAILURE CODE [AS00R6]
FAILURE CODE [AS00ZK]
FAILURE CODE [AS10KM]
FAILURE CODE [AS10NR]
FAILURE CODE [AS10NT]
FAILURE CODE [B@BAZG]
FAILURE CODE [B@BAZK]
FAILURE CODE [B@BCNS]
FAILURE CODE [B@BCZK]
FAILURE CODE [B@C6NS]
FAILURE CODE [B@CRNS]
FAILURE CODE [CA115]
FAILURE CODE [CA122]
FAILURE CODE [CA123]
FAILURE CODE [CA131]
FAILURE CODE [CA132]
FAILURE CODE [CA144]
FAILURE CODE [CA145]
FAILURE CODE [CA153]
FAILURE CODE [CA154]
FAILURE CODE [CA187]
FAILURE CODE [CA221]
FAILURE CODE [CA222]
FAILURE CODE [CA227]
FAILURE CODE [CA234]
FAILURE CODE [CA238]58 topics
  • FAILURE CODE [CA239]
  • FAILURE CODE [CA249]
  • FAILURE CODE [CA256]
  • FAILURE CODE [CA271]
  • FAILURE CODE [CA272]
  • FAILURE CODE [CA322]
  • FAILURE CODE [CA323]
  • FAILURE CODE [CA324]
  • FAILURE CODE [CA325]
  • FAILURE CODE [CA331]
  • FAILURE CODE [CA332]
  • FAILURE CODE [CA343]
  • FAILURE CODE [CA351]
  • FAILURE CODE [CA352]
  • FAILURE CODE [CA356]
  • FAILURE CODE [CA357]
  • FAILURE CODE [CA386]
  • FAILURE CODE [CA428]
  • FAILURE CODE [CA429]
  • FAILURE CODE [CA431]
  • FAILURE CODE [CA432]
  • FAILURE CODE [CA435]
  • FAILURE CODE [CA441]
  • FAILURE CODE [CA442]
  • FAILURE CODE [CA449]
  • FAILURE CODE [CA451]
  • FAILURE CODE [CA452]
  • FAILURE CODE [CA488]
  • FAILURE CODE [CA515]
  • FAILURE CODE [CA516]
  • FAILURE CODE [CA553]
  • FAILURE CODE [CA555]
  • FAILURE CODE [CA556]
  • FAILURE CODE [CA559]
  • FAILURE CODE [CA595]
  • FAILURE CODE [CA687]
  • FAILURE CODE [CA689]
  • FAILURE CODE [CA691]
  • FAILURE CODE [CA692]
  • FAILURE CODE [CA697]
  • FAILURE CODE [CA698]
  • FAILURE CODE [CA731]
  • FAILURE CODE [CA778]
  • FAILURE CODE [CA1117]
  • FAILURE CODE [CA1664]
  • FAILURE CODE [CA1669]
  • FAILURE CODE [CA1673]
  • FAILURE CODE [CA1677]
  • FAILURE CODE [CA1678]
  • FAILURE CODE [CA1682]
  • FAILURE CODE [CA1683]
  • FAILURE CODE [CA1684]
  • FAILURE CODE [CA1686]
  • FAILURE CODE [CA1691]
  • FAILURE CODE [CA1694]
  • FAILURE CODE [CA1695]
  • FAILURE CODE [CA1696]
  • FAILURE CODE [CA1712]
FAILURE CODE [CA1713]
FAILURE CODE [CA1714]
FAILURE CODE [CA1715]
FAILURE CODE [CA1776]
FAILURE CODE [CA1777]
FAILURE CODE [CA1843]
FAILURE CODE [CA1844]
FAILURE CODE [CA1879]
FAILURE CODE [CA1881]
FAILURE CODE [CA1883]
FAILURE CODE [CA1885]
FAILURE CODE [CA1887]
FAILURE CODE [CA1921]
FAILURE CODE [CA1922]
FAILURE CODE [CA1942]
FAILURE CODE [CA1993]
FAILURE CODE [CA2185]
FAILURE CODE [CA2186]
FAILURE CODE [CA2249]
FAILURE CODE [CA2271]
FAILURE CODE [CA2272]
FAILURE CODE [CA2288]
FAILURE CODE [CA2311]
FAILURE CODE [CA2349]
FAILURE CODE [CA2353]
FAILURE CODE [CA2357]
FAILURE CODE [CA2381]
FAILURE CODE [CA2382]
FAILURE CODE [CA2383]
FAILURE CODE [CA2386]
FAILURE CODE [CA2387]
FAILURE CODE [CA2555]
FAILURE CODE [CA2556]
FAILURE CODE [CA2637]
FAILURE CODE [CA2639]
FAILURE CODE [CA2771]
FAILURE CODE [CA2777]
FAILURE CODE [CA2976]
FAILURE CODE [CA3133]
FAILURE CODE [CA3134]
FAILURE CODE [CA3135]
FAILURE CODE [CA3142]
FAILURE CODE [CA3143]
FAILURE CODE [CA3144]
FAILURE CODE [CA3146]
FAILURE CODE [CA3147]
FAILURE CODE [CA3148]
FAILURE CODE [CA3151]
FAILURE CODE [CA3165]
FAILURE CODE [CA3229]
FAILURE CODE [CA3231]
FAILURE CODE [CA3232]
FAILURE CODE [CA3235]
FAILURE CODE [CA3239]
FAILURE CODE [CA3241]
FAILURE CODE [CA3242]
FAILURE CODE [CA3251]
FAILURE CODE [CA3253]58 topics
  • FAILURE CODE [CA3254]
  • FAILURE CODE [CA3255]
  • FAILURE CODE [CA3256]
  • FAILURE CODE [CA3311]
  • FAILURE CODE [CA3312]
  • FAILURE CODE [CA3313]
  • FAILURE CODE [CA3314]
  • FAILURE CODE [CA3315]
  • FAILURE CODE [CA3316]
  • FAILURE CODE [CA3317]
  • FAILURE CODE [CA3318]
  • FAILURE CODE [CA3319]
  • FAILURE CODE [CA3321]
  • FAILURE CODE [CA3322]
  • FAILURE CODE [CA3419]
  • FAILURE CODE [CA3421]
  • FAILURE CODE [CA3497]
  • FAILURE CODE [CA3498]
  • FAILURE CODE [CA3543]
  • FAILURE CODE [CA3545]
  • FAILURE CODE [CA3547]
  • FAILURE CODE [CA3558]
  • FAILURE CODE [CA3559]
  • FAILURE CODE [CA3562]
  • FAILURE CODE [CA3563]
  • FAILURE CODE [CA3567]
  • FAILURE CODE [CA3568]
  • FAILURE CODE [CA3571]
  • FAILURE CODE [CA3572]
  • FAILURE CODE [CA3574]
  • FAILURE CODE [CA3575]
  • FAILURE CODE [CA3577]
  • FAILURE CODE [CA3578]
  • FAILURE CODE [CA3582]
  • FAILURE CODE [CA3583]
  • FAILURE CODE [CA3596]
  • FAILURE CODE [CA3649]
  • FAILURE CODE [CA3681]
  • FAILURE CODE [CA3682]
  • FAILURE CODE [CA3713]
  • FAILURE CODE [CA3717]
  • FAILURE CODE [CA3718]
  • FAILURE CODE [CA3725]
  • FAILURE CODE [CA3741]
  • FAILURE CODE [CA3748]
  • FAILURE CODE [CA3751]
  • FAILURE CODE [CA3755]
  • FAILURE CODE [CA3866]
  • FAILURE CODE [CA3867]
  • FAILURE CODE [CA3868]
  • FAILURE CODE [CA3899]
  • FAILURE CODE [CA3911]
  • FAILURE CODE [CA3912]
  • FAILURE CODE [CA3932]
  • FAILURE CODE [CA3933]
  • FAILURE CODE [CA3934]
  • FAILURE CODE [CA3935]
  • FAILURE CODE [CA3936]
FAILURE CODE [CA4151]
FAILURE CODE [CA4152]
FAILURE CODE [CA4155]
FAILURE CODE [CA4156]
FAILURE CODE [CA4157]
FAILURE CODE [CA4158]
FAILURE CODE [CA4159]
FAILURE CODE [CA4161]
FAILURE CODE [CA4162]
FAILURE CODE [CA4163]
FAILURE CODE [CA4164]
FAILURE CODE [CA4165]
FAILURE CODE [CA4166]
FAILURE CODE [CA4168]
FAILURE CODE [CA4169]
FAILURE CODE [CA4171]
FAILURE CODE [CA4249]
FAILURE CODE [CA4251]
FAILURE CODE [CA4259]
FAILURE CODE [CA4261]
FAILURE CODE [CA4277]
FAILURE CODE [CA4281]
FAILURE CODE [CA4459]
FAILURE CODE [CA4461]
FAILURE CODE [CA4658]
FAILURE CODE [CA4731]
FAILURE CODE [CA4732]
FAILURE CODE [CA4739]
FAILURE CODE [CA4768]
FAILURE CODE [CA4769]
FAILURE CODE [CA4842]
FAILURE CODE [CA4952]
FAILURE CODE [CA5115]
FAILURE CODE [CA5179]
FAILURE CODE [CA5181]
FAILURE CODE [CA5383]
FAILURE CODE [D110L4]
FAILURE CODE [D160KA]
FAILURE CODE [D160KY]
FAILURE CODE [D191KA]
FAILURE CODE [D191KB]
FAILURE CODE [D191KY]
FAILURE CODE [D192KA]
FAILURE CODE [D192KB]
FAILURE CODE [D192KY]
FAILURE CODE [D19JKZ]
FAILURE CODE [D1B0KA]
FAILURE CODE [D1B0KB]
FAILURE CODE [D1B0KY]
FAILURE CODE [D1B0MC]
FAILURE CODE [D1E6KA]
FAILURE CODE [D1E6KB]
FAILURE CODE [D1E6KY]
FAILURE CODE [D5ZHKA]
FAILURE CODE [D5ZHKB]
FAILURE CODE [D5ZHL6]
FAILURE CODE [D811MC]
FAILURE CODE [D862KA]58 topics
  • FAILURE CODE [D8ALKA]
  • FAILURE CODE [D8ALKB]
  • FAILURE CODE [D8AQK4]
  • FAILURE CODE [D8AQKR]
  • FAILURE CODE [DAF0KT]
  • FAILURE CODE [DAF0MB]
  • FAILURE CODE [DAF0MC]
  • FAILURE CODE [DAF3KK]
  • FAILURE CODE [DAF8KB]
  • FAILURE CODE [DAFDKB]
  • FAILURE CODE [DAFGMC]
  • FAILURE CODE [DAFLKA]
  • FAILURE CODE [DAFLKB]
  • FAILURE CODE [DAFQKR]
  • FAILURE CODE [DAJ0KK]
  • FAILURE CODE [DAJ0KT]
  • FAILURE CODE [DAJ0MC]
  • FAILURE CODE [DAJ1KA]
  • FAILURE CODE [DAJ2KK]
  • FAILURE CODE [DAJ4KB]
  • FAILURE CODE [DAJ4KZ]
  • FAILURE CODE [DAJ5KX]
  • FAILURE CODE [DAJ6KX]
  • FAILURE CODE [DAJ9KQ]
  • FAILURE CODE [DAJLKA]
  • FAILURE CODE [DAJLKB]
  • FAILURE CODE [DAJQKR]
  • FAILURE CODE [DAJRKR]
  • FAILURE CODE [DAJRMA]
  • FAILURE CODE [DAZ9KQ]
  • FAILURE CODE [DAZQKR]
  • FAILURE CODE [DB2QKR]
  • FAILURE CODE [DB2RKR]
  • FAILURE CODE [DD1ALD]
  • FAILURE CODE [DDAAL6]
  • FAILURE CODE [DDB2L4]
  • FAILURE CODE [DDB6L4]
  • FAILURE CODE [DDD7KA]
  • FAILURE CODE [DDD7KY]
  • FAILURE CODE [DDK3KA]
  • FAILURE CODE [DDK3KB]
  • FAILURE CODE [DDK6KA]
  • FAILURE CODE [DDK6KB]
  • FAILURE CODE [DDNRLD]
  • FAILURE CODE [DF10KA]
  • FAILURE CODE [DF10KB]
  • FAILURE CODE [DGH1KX]
  • FAILURE CODE [DGR2KB]
  • FAILURE CODE [DGR2KZ]
  • FAILURE CODE [DHA4KA]
  • FAILURE CODE [DHHBKA]
  • FAILURE CODE [DHHBKY]
  • FAILURE CODE [DHHCKA]
  • FAILURE CODE [DHHCKY]
  • FAILURE CODE [DHPCKA]
  • FAILURE CODE [DHPCKY]
  • FAILURE CODE [DHPEKA]
  • FAILURE CODE [DHPEKY]
FAILURE CODE [DHS8KA]
FAILURE CODE [DHS8KY]
FAILURE CODE [DHS9KA]
FAILURE CODE [DHS9KY]
FAILURE CODE [DHSDKA]
FAILURE CODE [DHSDKY]
FAILURE CODE [DHSNKA]
FAILURE CODE [DHSNKY]
FAILURE CODE [DHT8ZG]
FAILURE CODE [DHTCL6]
FAILURE CODE [DJF1KA]
FAILURE CODE [DK55KA]
FAILURE CODE [DK55KY]
FAILURE CODE [DK55L5]
FAILURE CODE [DK5DKA]
FAILURE CODE [DK5DKY]
FAILURE CODE [DK5DL8]
FAILURE CODE [DK5EKA]
FAILURE CODE [DK5EKY]
FAILURE CODE [DK70KA]
FAILURE CODE [DK70KY]
FAILURE CODE [DKA0KA]
FAILURE CODE [DKA0KY]
FAILURE CODE [DKA0L0]
FAILURE CODE [DLM3KA]
FAILURE CODE [DLM3LC]
FAILURE CODE [DLT3KX]
FAILURE CODE [DLT4KX]
FAILURE CODE [DLT4L0]
FAILURE CODE [DLT4LC]
FAILURE CODE [DPQ1KR]
FAILURE CODE [DPQ2KR]
FAILURE CODE [DPQ3KR]
FAILURE CODE [DSJ0KR]
FAILURE CODE [DT22KB]
FAILURE CODE [DV00KB]
FAILURE CODE [DW26KA]
FAILURE CODE [DW26KB]
FAILURE CODE [DW26KY]
FAILURE CODE [DW4BKA]
FAILURE CODE [DW4BKB]
FAILURE CODE [DW4BKY]
FAILURE CODE [DW4RKA]
FAILURE CODE [DW4RKB]
FAILURE CODE [DW4RKY]
FAILURE CODE [DWM1KA]
FAILURE CODE [DWM1KB]
FAILURE CODE [DWM1KY]
FAILURE CODE [DWN6KA]
FAILURE CODE [DWN6KB]
FAILURE CODE [DWN6KY]
FAILURE CODE [DWN8KA]
FAILURE CODE [DWN8KB]
FAILURE CODE [DWN8KY]
FAILURE CODE [DX19KA]
FAILURE CODE [DX19KB]
FAILURE CODE [DX19KY]
FAILURE CODE [DX20KA]23 topics
  • FAILURE CODE [DX20KB]
  • FAILURE CODE [DX20KY]
  • FAILURE CODE [DXAWKA]
  • FAILURE CODE [DXAWKB]
  • FAILURE CODE [DXAWKY]
  • FAILURE CODE [DXH7KA]
  • FAILURE CODE [DXH7KB]
  • FAILURE CODE [DXH7KY]
  • FAILURE CODE [DXH8KA]
  • FAILURE CODE [DXH8KB]
  • FAILURE CODE [DXH8KY]
  • FAILURE CODE [DXHJKA]
  • FAILURE CODE [DXHJKB]
  • FAILURE CODE [DXHJKY]
  • FAILURE CODE [DXHKKA]
  • FAILURE CODE [DXHKKB]
  • FAILURE CODE [DXHKKY]
  • FAILURE CODE [H2K0KA]
  • FAILURE CODE [H2K0KY]
  • FAILURE CODE [J141N1]
  • FAILURE CODE [LA00L3]
  • FAILURE CODE [M100N1]
  • FAILURE CODE [M400N1]
TROUBLESHOOTING OF ELECTRICAL SYSTEM (E-MODE)25 topics
  • ENGINE DOES NOT START (ENGINE DOES NOT CRANK)
  • MANUAL PREHEATING SYSTEM DOES NOT WORK
  • AUTOMATIC PREHEATING SYSTEM DOES NOT WORK
  • WHILE PREHEATING IS WORKING, PREHEATING MONITOR DOES NOT LIGHT UP
  • LCD UNIT ON MACHINE MONITOR DISPLAYS NOTHING
  • OR FLICKERS)
  • LCD ON MACHINE MONITOR DOES NOT DISPLAY PROPERLY
  • METER UNIT DISPLAY ON MACHINE MONITOR IS ABNORMAL
  • NIGHT LIGHTING LAMP OF METER UNIT ON MACHINE MONITOR IS ABNORMAL
  • LED UNIT LAMP ON MACHINE MONITOR IS ABNORMAL
  • SWITCH DOES NOT OPERATE PROPERLY
  • TION
  • SWITCH PANEL BUZZER OF MACHINE MONITOR IS ABNORMAL
  • PLAYED PROPERLY
  • REARVIEW MONITOR DOES NOT LIGHT UP OR BACKLIGHT FLICKERS
  • REARVIEW MONITOR IMAGES ARE NOT DISPLAYED CLEARLY
  • REARVIEW MONITOR BRIGHTNESS CANNOT BE ADJUSTED
  • NIGHT LIGHTING LAMP OF REARVIEW MONITOR IS ABNORMAL
  • AIR CLEANER CLOGGING INDICATOR LAMP DOES NOT LIGHT UP
  • RADIATOR COOLANT LEVEL CAUTION LAMP DOES NOT LIGHT UP
  • TO ON (PARKING) POSITION
  • SURE CAUTION LAMP DOES NOT LIGHT UP
  • CAUTION LAMP DOES NOT LIGHT UP
  • PERATURE CAUTION LAMP DOES NOT LIGHT UP
  • WHILE THE PEDAL HAS NOT BEEN DEPRESSED, INCHING FUNCTION OPERATES
FUEL LEVEL GAUGE DOES NOT INDICATE CORRECT LEVEL
SEAT BELT CAUTION LAMP INDICATION IS ABNORMAL
ALARM BUZZER DOES NOT SOUND
ALARM BUZZER DOES NOT STOP SOUNDING
THE REMOTE POSITIONER DOES NOT WORK OR CANNOT BE RELEASED
THE BUCKET POSITIONER DOES NOT WORK OR CANNOT BE RELEASED1 topic
  • TRAVELING WHEN PARKING BRAKE IS RELEASED
PZ AUTO TILT-IN DOES NOT WORK
ECSS FUNCTION CANNOT BE SELECTED OR CANNOT BE RELEASED
HORN DOES NOT SOUND
HORN DOES NOT STOP SOUNDING
NONE OF HEADLAMP, CLEARANCE LAMP, AND TAIL LAMP LIGHTS
CLEARANCE LAMP AND TAIL LAMP DO NOT LIGHT UP OR GO OUT
BOTH HIGH AND LOW BEAMS OF HEADLAMP DO NOT LIGHT UP OR GO OUT1 topic
  • PEAN UNION)
LOW BEAM OF HEADLAMP DOES NOT LIGHT UP OR GO OUT
HIGH BEAM OF HEADLAMP DOES NOT LIGHT UP OR GO OUT
FRONT WORKING LAMP DOES NOT LIGHT UP OR GO OUT
REAR WORKING LAMP DOES NOT LIGHT UP OR GO OUT
TURN SIGNAL LAMPS DO NOT LIGHT UP OR GO OUT
TURN SIGNAL LAMPS DO NOT LIGHT UP OR GO OUT (FOR EUROPEAN UNION)
HAZARD LAMP DOES NOT LIGHT UP OR GO OUT
HAZARD LAMP DOES NOT LIGHT UP OR GO OUT (FOR EUROPEAN UNION)
BRAKE LAMP DOES NOT LIGHT OR STAYS LIGHTED
BRAKE LAMP DOES NOT LIGHT OR STAYS LIGHTED (FOR EUROPEAN UNION)
BACKUP LAMP DOES NOT LIGHT UP OR DOES NOT GO OUT
BACKUP BUZZER DOES NOT SOUND OR CONTINUES TO SOUND
FRONT WIPER DOES NOT OPERATE
REAR WIPER DOES NOT OPERATE
WINDOW WASHER DOES NOT OPERATE
KOMTRAX SYSTEM DOES NOT OPERATE NORMALLY
IS DISPLAYED ON THE SCREEN OF AUTO-GREASING PUMP
AUTO-GREASING SYSTEM DOES NOT OPERATE OR STOP
TROUBLESHOOTING FOR HYDRAULIC AND MECHANICAL SYSTEMS (H MODE)
INFORMATION MENTIONED IN TROUBLESHOOTING TABLE (H MODE)4 topics
  • FAILURE MODE AND CAUSE TABLE
  • MACHINE CAN TRAVEL NEITHER FORWARD NOR REVERSE
  • NORMALLY)
  • ENGINE SPEED DROPS LARGELY OR ENGINE STOPS

Inside this manual

Real pages from this service manual (3,238 pages). Open the sample pages (PDF, 923 KB)

Sample pages from the Komatsu WA320-8 Wheel Loader Service Manual: Diagram, Troubleshooting, Specifications, Color page, Color page, Foldout diagram
  • Diagram, page 1,032: Circuit diagram related to evaporator temperature sensor electrical circuit
  • Troubleshooting, page 1,532: FAILURE CODE [CA4169]
  • Specifications, page 2,832: REMOVE AND INSTALL COUNTERWEIGHT ASSEMBLY
  • Color page, page 150: A: From AdBlue/DEF mixing tube
  • Color page, page 462: UNDERCARRIAGE AND FRAME
  • Foldout diagram, page 3,210: ELECTRICAL CIRCUIT DIAGRAM OF FLOOR (1/9)

Other manuals for this machine

Save 10% on 2 manuals, 15% on 3 or more. Other manuals for the WA320-8 are listed below. Editions cover different serial number ranges: check the serial coverage and tick only the ones that match your machine.

This manual: Service Manual SEN06597-05$329.51
Other manuals for the WA320-8

Operator's manuals

Details
Details

This is a service manual

Here's how it compares to the other manual types.

This manual

Service manual

Factory repair procedures and technical information such as specifications, troubleshooting, and wiring and hydraulic diagrams, for the models and systems the manual covers. See What's inside for its topics.

Operator's manual

Safe operation, controls, maintenance schedules, lubrication points, inspections, and basic checks. Repair procedures are in the service manual.

Parts manual

Illustrated diagrams with factory part numbers for identifying components and ordering parts. Repair procedures are in the service manual.

Engine service manuals are sometimes sold separately, since certain machine models were offered with more than one engine option.

What it's used for

Factory manual for in-house farm and construction shop use. Straightforward, complete, and easy to follow. It contains the OEM information dealership service departments and parts counters use to diagnose problems, identify components, and perform maintenance or repairs correctly.

Service shops and owner/operators who repair their own equipment

Identifying correct parts and seeing how assemblies come apart and go back together

Keeping equipment running with less downtime

Factory manual, 3,238 pages

Quantity one is the manual described above.

Fast free USA shipping

Ships in 1 business day.

60-day returns

Free if the mistake is ours. A manual ordered in error must come back unopened in its shrink-wrap; you pay return shipping and a 20% restocking fee applies. Return policy

Binder not included

Manuals over about 300 pages may need a standard 3-ring binder, which you can buy locally to keep the pages organized for shop use.

Other editions and similar models

Komatsu WA320-8 with 6D107E-3 EngineService Manual · CEBM031202 · $329.67

Questions about model, serial number, engine coverage or contents? Contact us before purchasing and we'll help confirm it's the right manual. Please verify the manual type, machine model, serial number range and engine coverage before purchasing: manuals ordered in error carry a 20% restocking fee (return policy).