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Komatsu GD655-6, GD67S-6 Motor Grader Service Manual

2,956 pages · Publication SEN06523-06

$299.83
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Models
GD655-6, GD67S-6
Serial coverage
60001 and up
Manual type
Service Manual
Pages
2,956
Publication
SEN06523-06
Condition
Brand new
Komatsu GD655-6, GD67S-6 Motor Grader Service Manual, publication SEN06523-06

What's inside

From the manual's own table of contents: 378 sections, 700 entries. See sample pages (PDF, 933 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 378 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
ENGINE POWER MODE SELECTOR 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 SYSTEM4 topics
  • LAYOUT DRAWING OF HYDRAULIC SYSTEM
  • HYDRAULIC SYSTEM DIAGRAM
  • CLSS
  • COMPONENT PARTS OF HYDRAULIC SYSTEM
POWER TRAIN SYSTEM7 topics
  • LAYOUT DRAWING OF POWER TRAIN SYSTEM
  • OPERATION OF POWER TRAIN SYSTEM
  • AUTOMATIC SHIFT CONTROL SYSTEM
  • TRANSMISSION CONTROL SYSTEM
  • TRANSMISSION GEAR SHIFT CONTROL SYSTEM
  • TRANSMISSION PROTECTION FUNCTION
  • COMPONENT PARTS OF POWER TRAIN SYSTEM
WORK EQUIPMENT SYSTEM3 topics
  • LAYOUT DRAWING OF WORK EQUIPMENT SYSTEM
  • FUNCTION OF WORK EQUIPMENT SYSTEM
  • COMPONENT PARTS OF WORK EQUIPMENT SYSTEM
STEERING SYSTEM3 topics
  • LAYOUT DRAWING OF STEERING SYSTEM
  • FUNCTION OF STEERING SYSTEM
  • COMPONENT PARTS OF STEERING SYSTEM
BRAKE SYSTEM2 topics
  • LAYOUT DRAWING OF BRAKE SYSTEM
  • COMPONENT PARTS OF BRAKE SYSTEM
UNDERCARRIAGE AND FRAME2 topics
  • FRAME AND CENTER HINGE PIN
  • TIRE
WORK EQUIPMENT6 topics
  • STRUCTURE OF CIRCLE AND DRAWBAR
  • FUNCTION OF CIRCLE AND DRAWBAR
  • STRUCTURE OF BLADE
  • FUNCTION OF BLADE
  • STRUCTURE OF LIFTER
  • FUNCTION OF LIFTER
CAB AND ITS ATTACHMENTS1 topic
  • ROPS CAB
STANDARD VALUE TABLE
STANDARD VALUE TABLE FOR ENGINE2 topics
  • STANDARD VALUE TABLE FOR ENGINE: GD655-6
  • STANDARD VALUE TABLE FOR ENGINE: GD675-6
STANDARD VALUE TABLE FOR MACHINE3 topics
  • STANDARD VALUE TABLE FOR MACHINE: GD655-6
  • STANDARD VALUE TABLE FOR MACHINE: GD675-6
  • MACHINE POSTURE AND PROCEDURE FOR MEASURING PERFORMANCE
STANDARD VALUE TABLE FOR ELECTRICAL1 topic
  • STANDARD VALUE TABLE FOR ELECTRICITY
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
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 KVGT 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 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
FLUSH TORQUE CONVERTER AND TRANSMISSION HYDRAULIC CIRCUIT
MOVE DISABLED MACHINE DUE TO TRANSMISSION VALVE FAILURE
TEST DRIVE SHAFT FOR LOOSENESS, BACKLASH, AND DAMAGE
CHECK AND ADJUST DIFFERENTIAL LOCK HYDRAULIC OIL PRESSURE
TEST AND ADJUST STEERING CIRCUIT OIL PRESSURE
CHECK INTERNAL OIL LEAKAGE OF STEERING CYLINDER
BLEED AIR FROM STEERING CIRCUIT
CHECK AND ADJUST TOE-IN
RELEASE REMAINING PRESSURE FROM BRAKE CIRCUIT
CHECK WHEEL BRAKE OIL PRESSURE
TEST AND ADJUST ACCUMULATOR CHARGE PRESSURE
TEST AND CHARGE ACCUMULATOR NITROGEN GAS PRESSURE FOR BRAKE
BLEED AIR FROM BRAKE CIRCUIT
TEST LOWERING OF WHEEL BRAKE PRESSURE
TEST WEAR OF WHEEL BRAKE DISC
TEST PARKING BRAKE OIL PRESSURE
RELEASE PARKING BRAKE MANUALLY
TEST AND ADJUST PARKING BRAKE PAD12 topics
  • TEST AND ADJUST WORK EQUIPMENT OIL PRESSURE
  • TEST AND ADJUST OIL PRESSURE IN PUMP PC CONTROL CIRCUIT
  • TEST AND ADJUST OIL PRESSURE IN PUMP LS CONTROL CIRCUIT
  • TEST OIL PRESSURE IN LIFTER LOCK PIN CIRCUIT
  • BLEED AIR FROM WORK EQUIPMENT CIRCUIT
  • TEST COOLING FAN SPEED
  • TEST COOLING FAN CIRCUIT OIL PRESSURE
  • TEST INTERNAL OIL LEAKAGE OF WORK EQUIPMENT CYLINDER
  • ADJUST CLEARANCE IN DRAWBAR JOINT
  • CHECK AND ADJUST CLEARANCE IN CIRCLE GUIDE
  • CHECK AND ADJUST CIRCLE ROTATION GEAR
  • CHARGE ACCUMULATOR NITROGEN GAS PRESSURE FOR BLADE
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
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)8 topics
  • FAILURE CODE [1500L0]
  • FAILURE CODE [15G0MW]
  • FAILURE CODE [15H0MW]
  • FAILURE CODE [15J0MW]
  • FAILURE CODE [15K0MW]
  • FAILURE CODE [15L0MW]
  • FAILURE CODE [15M0MW]
  • FAILURE CODE [15N0MW]
FAILURE CODE [15SBL1]
FAILURE CODE [15SBMA]
FAILURE CODE [15SCL1]
FAILURE CODE [15SCMA]
FAILURE CODE [15SDL1]
FAILURE CODE [15SDMA]
FAILURE CODE [15SEL1]
FAILURE CODE [15SEMA]
FAILURE CODE [15SFL1]
FAILURE CODE [15SFMA]
FAILURE CODE [15SGL1]
FAILURE CODE [15SGMA]
FAILURE CODE [15SHL1]
FAILURE CODE [15SHMA]
FAILURE CODE [15SJMA]
FAILURE CODE [15U0NT]
FAILURE CODE [2F00MA]
FAILURE CODE [2F00MB]
FAILURE CODE [2G42ZG]
FAILURE CODE [2G43ZG]
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@BCNS]
FAILURE CODE [B@CENS]
FAILURE CODE [B@CKNS]
FAILURE CODE [B@HANS]
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]58 topics
  • FAILURE CODE [CA238]
  • 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]58 topics
  • FAILURE CODE [CA3253]
  • 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 [D160KA]
FAILURE CODE [D160KB]
FAILURE CODE [D160KY]
FAILURE CODE [D19JKZ]
FAILURE CODE [D19KKZ]
FAILURE CODE [D1EHKA]
FAILURE CODE [D1EHKB]
FAILURE CODE [D1EHKY]
FAILURE CODE [D1FBKB]
FAILURE CODE [D5ZHL6]
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 [DAFLKA]58 topics
  • FAILURE CODE [DAFLKB]
  • FAILURE CODE [DAQ0KK]
  • FAILURE CODE [DAQ0KT]
  • FAILURE CODE [DAQ0MC]
  • FAILURE CODE [DAQ1KA]
  • FAILURE CODE [DAQ2KK]
  • FAILURE CODE [DAQ9KQ]
  • FAILURE CODE [DAQLKA]
  • FAILURE CODE [DAQLKB]
  • FAILURE CODE [DAQQKR]
  • FAILURE CODE [DAQRKR]
  • FAILURE CODE [DAQRMA]
  • FAILURE CODE [DB2QKR]
  • FAILURE CODE [DB2RKR]
  • FAILURE CODE [DD1PKB]
  • FAILURE CODE [DD1QKB]
  • FAILURE CODE [DDAAL6]
  • FAILURE CODE [DDB6L4]
  • FAILURE CODE [DDTHKA]
  • FAILURE CODE [DDTJKA]
  • FAILURE CODE [DDTKKA]
  • FAILURE CODE [DDTLKA]
  • FAILURE CODE [DDTMKA]
  • FAILURE CODE [DDTNKA]
  • FAILURE CODE [DDTPKA]
  • FAILURE CODE [DF10KA]
  • FAILURE CODE [DF10L4]
  • FAILURE CODE [DGF1KX]
  • FAILURE CODE [DGH2KB]
  • FAILURE CODE [DGT1KX]
  • FAILURE CODE [DGT7KB]
  • FAILURE CODE [DHA4KA]
  • FAILURE CODE [DHAAMA]
  • FAILURE CODE [DHACMA]
  • FAILURE CODE [DJF1KA]
  • FAILURE CODE [DK70KX]
  • FAILURE CODE [DKD0KX]
  • FAILURE CODE [DLF1KA]
  • FAILURE CODE [DLF1LC]
  • FAILURE CODE [DLF2KA]
  • FAILURE CODE [DLF2LC]
  • FAILURE CODE [DLM3KA]
  • FAILURE CODE [DLM3LC]
  • FAILURE CODE [DLM3MB]
  • FAILURE CODE [DLT3KA]
  • FAILURE CODE [DPQ1KR]
  • FAILURE CODE [DPQ2KR]
  • FAILURE CODE [DPQ3KR]
  • FAILURE CODE [DV00KB]
  • FAILURE CODE [DW4BKA]
  • FAILURE CODE [DW4BKB]
  • FAILURE CODE [DW4BKY]
  • FAILURE CODE [DW7BKA]
  • FAILURE CODE [DW7BKB]
  • FAILURE CODE [DW7BKY]
  • FAILURE CODE [DX16KA]
  • FAILURE CODE [DX16KB]
  • FAILURE CODE [DX16KY]
FAILURE CODE [DXH1KA]
FAILURE CODE [DXH1KB]
FAILURE CODE [DXH1KY]
FAILURE CODE [DXH2KA]
FAILURE CODE [DXH2KB]
FAILURE CODE [DXH2KY]
FAILURE CODE [DXH3KA]
FAILURE CODE [DXH3KB]
FAILURE CODE [DXH3KY]
FAILURE CODE [DXH4KA]
FAILURE CODE [DXH4KB]
FAILURE CODE [DXH4KY]
FAILURE CODE [DXH5KA]
FAILURE CODE [DXH5KB]
FAILURE CODE [DXH5KY]
FAILURE CODE [DXH6KA]
FAILURE CODE [DXH6KB]
FAILURE CODE [DXH6KY]
FAILURE CODE [DXH7KA]
FAILURE CODE [DXH7KB]
FAILURE CODE [DXH7KY]
FAILURE CODE [DXHHKA]
FAILURE CODE [DXHHKB]
FAILURE CODE [DXHHKY]
TROUBLESHOOTING OF ELECTRICAL SYSTEM (E-MODE)
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 UP1 topic
  • TURE
LCD UNIT OR LED UNIT ON MACHINE MONITOR DISPLAY NOTHING
LCD UNIT ON MACHINE MONITOR DISPLAYS NOTHING1 topic
  • OR FLICKERS)
LCD ON MACHINE MONITOR DOES NOT DISPLAY PROPERLY
LED UNIT LAMP ON MACHINE MONITOR IS ABNORMAL
SWITCH ON MACHINE MONITOR SWITCH PANEL DOES NOT OPERATE1 topic
  • TION
SWITCH PANEL BUZZER OF MACHINE MONITOR IS ABNORMAL1 topic
  • 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 UP2 topics
  • SURE CAUTION LAMP DOES NOT LIGHT UP
  • CAUTION LAMP DOES NOT LIGHT UP
SPEEDOMETER DOES NOT INDICATE NORMALLY
ENGINE TACHOMETER DOES NOT INDICATE NORMALLY
FUEL LEVEL GAUGE DOES NOT INDICATE CORRECT LEVEL
ARTICULATION INDICATOR DOES NOT INDICATE ACTUAL ARTICULATED ANGLE35 topics
  • DRAULIC OIL TEMPERATURE CAUTION LAMP DOES NOT LIGHT
  • SEAT BELT CAUTION LAMP INDICATION IS ABNORMAL
  • ALARM BUZZER DOES NOT SOUND
  • ALARM BUZZER DOES NOT STOP SOUNDING
  • ENGINE MODE SELECTOR FUNCTION DOES NOT OPERATE PROPERLY
  • TRANSMISSION SELECTOR FUNCTION DOES NOT OPERTE NORMALLY
  • DIFFERENTIAL LOCK FUNCTION DOES NOT WORK OR CANNOT BE RELEASED
  • LIFTER LOCK PIN DOES NOT WORK OR CANNOT BE RELEASED
  • LIFTER LOCK PIN PILOT LAMP DOES NOT INDICATE NORMALLY
  • BLADE ACCUMULATOR PILOT LAMP DOES NOT INDICATE NORMALLY
  • HORN DOES NOT SOUND
  • HORN DOES NOT STOP SOUNDING
  • BACKUP ALARM DOES NOT SOUND
  • LIGHT DOWN
  • NONE OF HEADLAMP, CLEARANCE LAMP, AND TAIL LAMP LIGHTS
  • HEADLAMP DOES NOT LIGHT UP OR GO OUT
  • HIGH BEAM AND LOW BEAM OF HEADLAMP CANNOT BE CHANGED OVER
  • HEADLAMP (HIGH BEAM) PILOT LAMP DOES NOT LIGHT UP
  • FRONT WORKING LAMP DOES NOT LIGHT UP OR GO OUT
  • WORKING LAMP PILOT LAMP DOES NOT LIGHT UP OR DOWN
  • REAR WORKING LAMP DOES NOT LIGHT UP OR GO OUT
  • TURN SIGNAL LAMPS DO NOT LIGHT UP OR GO OUT
  • HAZARD LAMP DOES NOT LIGHT UP OR GO OUT
  • TURN SIGNAL PILOT LAMP DOES NOT LIGHT UP
  • BRAKE LAMP DOES NOT LIGHT OR STAYS LIGHTED
  • BACKUP LAMP DOES NOT LIGHT UP
  • ALL WIPERS DO NOT OPERATE
  • FRONT WIPER DOES NOT OPERATE
  • REAR WIPER DOES NOT OPERATE
  • LEFT AND RIGHT DOOR WIPER DOES NOT OPERATE
  • LEFT DOOR WIPER DOES NOT OPERATE
  • RIGHT DOOR WIPER DOES NOT OPERATE
  • FRONT OR DOOR WASHER DOES NOT OPERATE
  • REAR WASHER DOES NOT OPERATE
  • KOMTRAX SYSTEM DOES NOT OPERATE NORMALLY
TROUBLESHOOTING FOR HYDRAULIC AND MECHANICAL SYSTEMS (H MODE)17 topics
  • INFORMATION MENTIONED IN TROUBLESHOOTING TABLE (H MODE)
  • FAILURE MODE AND CAUSE TABLE
  • MACHINE DOES NOT START
  • LOCKUP IS NOT RELEASED
  • TORQUE CONVERTER LOCKUP CLUTCH DOES NOT ENGAGE
  • MACHINE DOES NOT UPSHIFT OR DOWNSHIFT FROM NEUTRAL
  • MACHINE DOES NOT UPSHIFT OR DOWNSHIFT
  • TRAVEL SPEED OR POWER IS LOW
  • TRAVEL SPEED OR POWER IS LOW IN SPECIFIC GEAR
  • LARGE TIME LAG IS OBSERVED WHEN MACHINE STARTS AND GEAR IS SHIFTED
  • OIL TEMPERATURE OF TORQUE CONVERTER IS HIGH
  • UNUSUAL NOISE IS HEARD FROM AROUND HYDRAULIC PUMP
  • ENGINE SPEED DROPS LARGELY OR ENGINE STOPS
  • STEERING WHEEL CANNOT BE OPERATED
  • STEERING SPEED OR POWER IS INSUFFICIENT
  • WHEEL BRAKES DO NOT WORK OR ARE WEAK
  • WHEEL BRAKES ARE NOT RELEASED OR DRAG
PARKING BRAKE DOES NOT WORK OR IT IS WEAK
PARKING BRAKE IS NOT RELEASED OR DRAGS
LIFTER LOCK PIN DOES NOT WORK OR CANNOT BE RELEASED
ALL WORK EQUIPMENTS OPERATE SLOWLY
ALL WORK EQUIPMENTS DO NOT OPERATE
BLADE LIFT SPEED OR POWER IS LOW
DRAWBAR SIDE SHIFTING SPEED OR POWER IS LOW
BLADE SIDE SHIFTING SPEED OR POWER IS LOW
POWER TILT SPEED OR POWER IS LOW
ARTICULATE SPEED OR POWER IS LOW
LEANING SPEED OR POWER IS LOW
HYDRAULIC DRIFT OF LIFTED BLADE IS LARGE
HYDRAULIC DRIFT OF LEANING IS LARGE
BLADE DOES NOT ROTATE
FAN SPEED IS ABNORMAL (TOO HIGH OR LOW, OR STATIONARY)
UNUSUAL NOISE IS HEARD FROM AROUND FAN
TROUBLESHOOTING OF ENGINE (S-MODE)
INFORMATION MENTIONED IN TROUBLESHOOTING TABLE (S MODE)
ENGINE CRANKS BUT NO EXHAUST GAS COMES OUT1 topic
  • BUT DOES NOT START)
ENGINE STARTABILITY IS POOR
ENGINE DOES NOT PICK UP SMOOTHLY
ENGINE STOPS DURING OPERATION
ENGINE RUNS ROUGH OR IS UNSTABLE
ENGINE LACKS POWER
KDPF GETS CLOGGED IN A SHORT TIME
ENGINE OIL CONSUMPTION IS EXCESSIVE
OIL BECOMES CONTAMINATED QUICKLY
FUEL CONSUMPTION IS EXCESSIVE
OIL PRESSURE DROPS
FUEL MIXES INTO ENGINE OIL
WATER MIXES INTO ENGINE OIL (MILKY)
COOLANT TEMPERATURE RISES TOO HIGH (OVERHEATING)
UNUSUAL NOISE IS HEARD
VIBRATION IS EXCESSIVE
AIR CANNOT BE BLED FROM FUEL CIRCUIT
ACTIVE REGENERATION IS EXECUTED FREQUENTLY
ACTIVE REGENERATION TAKES TIME
WHITE SMOKE IS EXHAUSTED DURING ACTIVE REGENERATION
AdBlue/DEF CONSUMPTION IS EXCESSIVE

Inside this manual

Real pages from this service manual (2,956 pages). Open the sample pages (PDF, 933 KB)

Sample pages from the Komatsu GD655-6, GD67S-6 Motor Grader Service Manual: Specifications, Troubleshooting, Diagram, Color page, Color page, Foldout diagram
  • Specifications, page 121: Specified capacity
  • Troubleshooting, page 1,426: FAILURE CODE [CA3558]
  • Diagram, page 1,786: Circuit diagram related to 2nd clutch
  • Color page, page 307: 12: Differential lock solenoid valve
  • Color page, page 163: BOOT-UP SYSTEM
  • Foldout diagram, page 2,930: ELECTRICAL CIRCUIT DIAGRAM (4/12)

Other manuals for this machine

Save 10% on 2 manuals, 15% on 3 or more. Other manuals for the GD655-6 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 SEN06523-06$299.83
Other manuals for the GD655-6

Operator's manuals

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, 2,956 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.

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).