Komatsu D51EXi-22, D51PXi-22 Bulldozer Service Manual
1,589 pages · Publication KEBM028602
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What's inside
From the manual's own table of contents: 8 sections, 640 entries. See sample pages (PDF, 650 KB)
INDEX AND FOREWORD15 topics
- FOREWORD, SAFETY AND GENERAL INFORMATION
- IMPORTANT SAFETY NOTICE
- HOW TO READ THE SHOP MANUAL
- EXPLANATION OF TERMS FOR MAINTENACE STANDARD
- HANDLING EQUIPMENT OF FUEL SYSTEM DEVICES
- HANDLING OF INTAKE SYSTEM PARTS
- HANDLING OF HYDRAULIC EQUIPMENT
- METHOD OF DISCONNECTING AND CONNECTING OF PUSH-PULL TYPE COUPLER
- HANDLING OF ELECTRICAL EQUIPMENT
- HOW TO READ ELECTRIC WIRE CODE
- PRECAUTIONS WHEN PERFORMING OPERATION
- PRACTICAL USE OF KOMTRAX
- STANDARD TIGHTENING TORQUE TABLE
- LIST OF ABBREVIATION
- CONVERSION TABLE
SPECIFICATION6 topics
- SPECIFICATION DRAWING
- D51EXi, PXi-22 POWER ANGLE, POWER TILT DOZER WITH ROPS CAB
- SPECIFICATION
- WEIGHT TABLE
- TABLE OF FUEL, COOLANT AND LUBRICANTS
- RECOMMENDED PRODUCTS OTHER THAN KOMATSU GENUINE OILS
STRUCTURE AND FUNCTION100 topics
- ENGINE AND COOLING SYSTEM
- ENGINE RELATED PARTS
- COOLING SYSTEM
- COOLING FAN PUMP - SEE HYDRAULIC SYSTEM 2 (WORK EQUIPMENT AND FAN PUMP)
- COOLING FAN MOTOR
- OIL COOLER BYPASS VALVE
- CHARGE SAFETY VALVE
- POWER TRAIN
- HST CLOSED CIRCUIT
- DAMPER
- HST HYDRAULIC EQUIPMENT ARRANGEMENT DIAGRAM
- STEERING AND BRAKE CONTROL
- HST PUMP
- SAFETY-SUCTION VALVE
- TOWING VALVE
- HST MOTOR
- MOTOR CONTROL VALVE
- SOLENOID VALVE (3-SPOOL), EPC VALVE (2-SPOOL) AND TOWING VALVE
- SOLENOID VALVE
- EPC VALVE
- CHARGE PUMP
- FINAL DRIVE
- PATH OF POWER TRANSMISSION
- UNDER CARRIAGE AND FRAME
- MAIN FRAME
- TRACK FRAME AND RECOIL SPRING
- IDLER
- TRACK ROLLER
- CARRIER ROLLER
- SPROCKET
- SINGLE SHOE
- SUSPENSION
- HYDRAULIC SYSTEM
- HYDRAULIC COMPONENT LAYOUT OF WORK EQUIPMENT
- WORK EQUIPMENT CONTROL SYSTEM
- HYDRAULIC SYSTEM (WORK EQUIPMENT)
- WORK EQUIPMENT AND FAN PUMP
- SERVO VALVE
- CONTROL VALVE
- HYDRAULIC CIRCUIT DIAGRAM AND NAMES OF VALVES
- UNLOAD VALVE
- PRESSURE COMPENSATION VALVE
- HYDRAULIC TANK, FILTER
- BREATHER
- ACCUMULATOR
- WORK EQUIPMENT
- CUTTING EDGE AND END BIT
- RIPPER
- PISTON VALVE FOR ANGLE CYLINDER
- CAB AND ITS ATTACHMENTS
- ROPS CAB
- CAB DAMPER MOUNT
- AIR CONDITIONER
- ELECTRICAL SYSTEM
- MONITOR SYSTEM
- ENGINE CONTROL SYSTEM
- COOLING CONTROL SYSTEM
- HST CONTROL SYSTEM
- GEAR SHIFT CONTROL SYSTEM
- PARKING BRAKE CONTROL SYSTEM
- KOMTRAX SYSTEM
- ICT CONTROL SYSTEM
- ICT CONTROL FUNCTION
- BLADE CONTROL SYSTEM
- DOZING MODE
- SMOOTH START FUNCTION
- SLIP CONTROL
- BLADE ASSIST CONTROL
- HST SPEED RANGE CONTROL SYSTEM
- SYSTEM COMPONENTS
- MONITOR PANEL
- BUZZER CANCEL SWITCH
- MONITOR PANEL DISPLAY
- ENGINE CONTROLLER
- HST CONTROLLER
- ICT CONTROLLER
- iB MONITOR
- GNSS RECEIVER
- KOMTRAX TERMINAL
- SENSORS
- BRAKE OIL PRESSURE SENSOR
- HYDRAULIC OIL TEMPERATURE SENSOR
- HST CIRCUIT OIL PRESSURE SENSOR
- AIR CLEANER CLOGGING SENSOR
- BRAKE PEDAL POTENTIOMETER
- FUEL CONTROL DIAL
- FUEL LEVEL SENSOR
- CHARGE FILTER CLOGGING SENSOR
- COOLANT TEMPERATURE SENSOR
- ENGINE OIL PRESSURE SWITCH
- ENGINE ROTATION SENSOR
- BOOST PRESSURE AND SENSOR
- WIF SENSOR
- HST MOTOR SPEED SENSOR
- IMU SENSOR
- STROKE AND RESET SENSOR FOR LIFT CYLINDER
- STROKE SENSOR
- RESET SENSOR
- STROKE SENSOR FOR TILT CYLINDER
- STROKE AND RESET SENSOR FOR ANGLE CYLINDER
STANDARD VALUE TABLES4 topics
- STANDARD VALUE TABLE FOR ENGINE
- STANDARD VALUE TABLE FOR CHASSIS
- STANDARD VALUE TABLE FOR ICT
- PERFORMANCE MEASURING POSTURE AND METHOD
TESTING AND ADJUSTING57 topics
- RELATED INFORMATION ON TESTING AND ADJUSTING
- TOOLS FOR TESTING AND ADJUSTING
- ENGINE SPEED
- AIR INTAKE BOOST PRESSURE
- EXHAUST TEMPERATURE
- EXHAUST GAS COLOR
- VALVE CLEARANCE
- COMPRESSION PRESSURE
- BLOW-BY PRESSURE
- ENGINE OIL PRESSURE
- HANDLING CONTROLLER HIGH-VOLTAGE CIRCUIT
- FUEL SYSTEM
- HANDLING FUEL SYSTEM PARTS
- RELEASING RESIDUAL PRESSURE FROM FUEL SYSTEM
- BLEEDING AIR FROM FUEL CIRCUIT
- FUEL PRESSURE
- FUEL RETURN RATE AND LEAKAGE
- FUEL CIRCUIT FOR LEAKAGE
- HST OIL PRESSURE
- TRAVEL DEVIATION
- PARKING BRAKE LEVER
- BRAKE PERFORMANCE
- BRAKE PEDAL LINKAGE
- EMERGENCY RELEASE OF PARKING BRAKE
- DECELERATOR PEDAL
- UNDERCARRIAGE AND FRAME
- IDLER CLEARANCE
- TRACK SHOE TENSION
- FAN (WORK EQUIPMENT) PUMP PRESSURE
- FAN SPEED
- FAN SPEED SENSOR
- BLEEDING AIR
- LOCK LEVER ADJUSTMENT
- BLADE CENTER BALL ADJUSTMENT
- BLADE PITCH BALL ADJUSTMENT
- MONITOR PANEL (EMMS) - SPECIAL FUNCTIONS
- ERROR CODE TABLE
- PREPARATION WORK FOR TROUBLESHOOTING FOR ELECTRICAL SYSTEM
- SPECIAL FUNCTIONS OF iB MONITOR
- INPUTTING WEAR AMOUNT OF BLADE EDGE AND TRACK SHOE
- TESTING STROKE SENSOR FOR LIFT CYLINDER
- TESTING STROKE SENSOR FOR TILT CYLINDER
- TESTING STROKE SENSOR FOR ANGLE CYLINDER
- TESTING AND ADJUSTING RESET SENSOR FOR LIFT CYLINDER
- TESTING AND ADJUSTING RESET SENSOR FOR ANGLE CYLINDER
- ELECTRIC/HYDRAULIC DEVICES ARE ADJUSTED/REPLACED
- HST CONTROLLER ADJUSTMENT AFTER REPLACEMENT
- MONITOR PANEL ADJUSTMENT AFTER REPLACEMENT
- ADJUSTMENT METHOD WHEN ICT CONTROLLER HAS BEEN REPLACED
- HANLDING VOLTAGE CIRCUIT OF ENGINE CONTROLLER
- HANDLING BATTERY DISCONNECT SWITCH
- TESTING DIODES
- PM-CLINIC INSPECTION SHEET (1/2)
- PM-CLINIC INSPECTION SHEET (2/2)
- PM-CLINIC UNDERCARRIAGE CHECK SHEET
- UNDERCARRIAGE TROUBLESHOOTING REPORT (NORMAL)
- UNDERCARRIAGE TROUBLESHOOTING REPORT (IMPACT)
TROUBLESHOOTING346 topics
- RELATED INFORMATION ON TROUBLESHOOTING
- SEQUENCE OF EVENTS IN TROUBLESHOOTING
- CHECKS BEFORE TROUBLESHOOTING
- INSPECTION PROCEDURE BEFORE TROUBLESHOOTING
- WALK-AROUND CHECK
- PRECAUTIONS WHEN CARRYING OUT MAINTENANCE
- PRECAUTIONS WHEN HANDLING ELECTRICAL EQUIPMENT
- HANDLING ELECTRONIC CONTROL UNIT
- POINTS TO REMEMBER WHEN TROUBLESHOOTING ELECTRICAL CIRCUITS
- POINTS TO REMEMBER WHEN HANDLING HYDRAULIC EQUIPMENT
- SYMPTOM AND TROUBLESHOOTING NUMBERS
- TROUBLESHOOTING INDIVIDUAL ELECTRICAL CIRCUITS
- CONNECTION TABLE FOR CONNECTOR PIN NUMBERS
- T-ADAPTER TABLE
- FAILURE CODE TABLE
- INFORMATION IN TROUBLESHOOTING TABLE
- TROUBLESHOOTING BY FAILURE CODE
- ERROR CODE [6091NX]
- ERROR CODE [AA10NX]
- ERROR CODE [AB00MA]
- ERROR CODE [B@BAZG]
- ERROR CODE [B@BCNS]
- ERROR CODE [B@CRNS]
- ERROR CODE [B@CRZG]
- ERROR CODE [CA111]
- ERROR CODE [CA115]
- ERROR CODE [CA122]
- ERROR CODE [CA123]
- ERROR CODE [CA131]
- ERROR CODE [CA132]
- ERROR CODE [CA144]
- ERROR CODE [CA145]
- ERROR CODE [CA153]
- ERROR CODE [CA154]
- ERROR CODE [CA187]
- ERROR CODE [CA221]
- ERROR CODE [CA222]
- ERROR CODE [CA227]
- ERROR CODE [CA234]
- ERROR CODE [CA238]
- ERROR CODE [CA271]
- ERROR CODE [CA272]
- ERROR CODE [CA322]
- ERROR CODE [CA323]
- ERROR CODE [CA324]
- ERROR CODE [CA325]
- ERROR CODE [CA331]
- ERROR CODE [CA332]
- ERROR CODE [CA342]
- ERROR CODE [CA352]
- ERROR CODE [CA386]
- ERROR CODE [CA428]
- ERROR CODE [CA429]
- ERROR CODE [CA435]
- ERROR CODE [CA441]
- ERROR CODE [CA442]
- ERROR CODE [CA449]
- ERROR CODE [CA451]
- ERROR CODE [CA452]
- ERROR CODE [CA488]
- ERROR CODE [CA553]
- ERROR CODE [CA559]
- ERROR CODE [CA689]
- ERROR CODE [CA731]
- ERROR CODE [CA757]
- ERROR CODE [CA778]
- ERROR CODE [CA1633]
- ERROR CODE [CA2185]
- ERROR CODE [CA2186]
- ERROR CODE [CA2249]
- ERROR CODE [CA2311]
- ERROR CODE [CA2555]
- ERROR CODE [CA2556]
- ERROR CODE [D130KA]
- ERROR CODE [D130KB]
- ERROR CODE [DAFRKR]
- ERROR CODE [DAFRMC]
- ERROR CODE [DAJ000]
- ERROR CODE [DAJ0KK]
- ERROR CODE [DAJ0KQ]
- ERROR CODE [DAJ0KT]
- ERROR CODE [DAJ5KK]
- ERROR CODE [DAJ6KK]
- ERROR CODE [DAJRKR]
- ERROR CODE [DB2RKR]
- ERROR CODE [DBR0KT]
- ERROR CODE [DBR0MC]
- ERROR CODE [DBR1KK]
- ERROR CODE [DBR2KK]
- ERROR CODE [DBR5KK]
- ERROR CODE [DBR6KK]
- ERROR CODE [DBRQKR]
- ERROR CODE [DBTSKR]
- ERROR CODE [DBUTKA]
- ERROR CODE [DD12KA]
- ERROR CODE [DD12KB]
- ERROR CODE [DD13KA]
- ERROR CODE [DD13KB]
- ERROR CODE [DD14KB]
- ERROR CODE [DD1NL4]
- ERROR CODE [DDDCKB]
- ERROR CODE [DDKAKA]
- ERROR CODE [DDKAKB]
- FAILURE CODE [DDKFL4]
- ERROR CODE [DDKGL4]
- ERROR CODE [DDKHKA]
- ERROR CODE [DDKHKB]
- ERROR CODE [DDNLKA]
- ERROR CODE [DDNLKB]
- ERROR CODE [DDP6KA]
- ERROR CODE [DDP6KB]
- ERROR CODE [DDP6MA]
- ERROR CODE [DDQ2KA]
- ERROR CODE [DDT0L4]
- ERROR CODE [DDU1FS]
- ERROR CODE [DDU1KA]
- ERROR CODE [DDU1KY]
- ERROR CODE [DFA4KX]
- ERROR CODE [DFA4KZ]
- ERROR CODE [DFA4L8]
- ERROR CODE [DFA5KA]
- ERROR CODE [DFA5KB]
- ERROR CODE [DFA6KA]
- ERROR CODE [DFA6KB]
- ERROR CODE [DFA7KX]
- ERROR CODE [DFA7KZ]
- ERROR CODE [DFA7L8]
- ERROR CODE [DFA8KA]
- ERROR CODE [DFA8KB]
- ERROR CODE [DFA9KA]
- ERROR CODE [DFA9KB]
- ERROR CODE [DGS1KA]
- ERROR CODE [DGS1KX]
- ERROR CODE [DH21KA]
- ERROR CODE [DH21KB]
- ERROR CODE [DHH5KA]
- ERROR CODE [DHH5KB]
- ERROR CODE [DHH6KA]
- ERROR CODE [DHH6KB]
- ERROR CODE [DK10KA]
- ERROR CODE [DK10KB]
- ERROR CODE [DK30KA]
- ERROR CODE [DK30KB]
- ERROR CODE [DK30KX]
- ERROR CODE [DK30KZ]
- ERROR CODE [DK30L8]
- ERROR CODE [DK31KA]
- ERROR CODE [DK31KB]
- ERROR CODE [DK40KA]
- ERROR CODE [DK40KB]
- ERROR CODE [DK55KX]
- ERROR CODE [DK55KZ]
- ERROR CODE [DK55L8]
- ERROR CODE [DK56KA]
- ERROR CODE [DK56KB]
- ERROR CODE [DK57KA]
- ERROR CODE [DK57KB]
- ERROR CODE [DK80KA]
- ERROR CODE [DKS0L8]
- ERROR CODE [DKS1KA]
- ERROR CODE [DKS1KB]
- ERROR CODE [DKS2KA]
- ERROR CODE [DKS2KB]
- ERROR CODE [DKS3KA]
- ERROR CODE [DKS3KB]
- ERROR CODE [DKS3MB]
- ERROR CODE [DKS4L8]
- ERROR CODE [DKS5KA]
- ERROR CODE [DKS5KB]
- ERROR CODE [DKS6KA]
- ERROR CODE [DKS6KB]
- ERROR CODE [DKS7MB]
- ERROR CODE [DKSCL8]
- ERROR CODE [DKSDKA]
- ERROR CODE [DKSDKB]
- ERROR CODE [DKSEKA]
- ERROR CODE [DKSEKB]
- ERROR CODE [DKSFKA]
- ERROR CODE [DKSFKB]
- ERROR CODE [DKSFMB]
- ERROR CODE [DLM0KX]
- ERROR CODE [DLM1KA]
- ERROR CODE [DLM1KB]
- ERROR CODE [DLM1MA]
- ERROR CODE [DLM2KA]
- ERROR CODE [DLM2KB]
- ERROR CODE [DLM2MA]
- ERROR CODE [DLM3KA]
- ERROR CODE [DLM3KB]
- ERROR CODE [DN21FS]
- ERROR CODE [DV00KB]
- ERROR CODE [DV20KB]
- ERROR CODE [DW4BKA]
- ERROR CODE [DW4BKB]
- ERROR CODE [DW4BKY]
- ERROR CODE [DW7BKA]
- ERROR CODE [DW7BKB]
- ERROR CODE [DW7BKY]
- ERROR CODE [DW7EKA]
- ERROR CODE [DW7EKB]
- ERROR CODE [DW7EKY]
- ERROR CODE [DWN5KA]
- ERROR CODE [DWN5KB]
- ERROR CODE [DWN5KY]
- ERROR CODE [DXA4KA]
- ERROR CODE [DXA4KB]
- ERROR CODE [DXA4KY]
- ERROR CODE [DXA5KA]
- ERROR CODE [DXA5KB]
- ERROR CODE [DXA5KY]
- ERROR CODE [DXA6KA]
- ERROR CODE [DXA6KB]
- ERROR CODE [DXA6KY]
- ERROR CODE [DXA7KA]
- ERROR CODE [DXA7KB]
- ERROR CODE [DXA7KY]
- ERROR CODE [DXHRKA]
- ERROR CODE [DXHRKB]
- ERROR CODE [DXHRKY]
- ERROR CODE [DXHSKA]
- ERROR CODE [DXHSKB]
- ERROR CODE [DXHSKY]
- ERROR CODE [DXHTKA]
- ERROR CODE [DXHTKB]
- ERROR CODE [DXHTKY]
- ERROR CODE [DXHUKA]
- ERROR CODE [DXHUKB]
- ERROR CODE [DXHUKY]
- ERROR CODE [DXJ4KA]
- ERROR CODE [DXJ4KB]
- ERROR CODE [DXJCKA]
- ERROR CODE [DXJCKB]
- ERROR CODE [DXJCKY]
- ERROR CODE [DXJDKA]
- ERROR CODE [DXJDKB]
- ERROR CODE [DXJDKY]
- ERROR CODE [DXK1KA]
- ERROR CODE [DXK1KB]
- ERROR CODE [DXK1KY]
- ERROR CODE [DXK2KA]
- ERROR CODE [DXK2KB]
- ERROR CODE [DXK2KY]
- TROUBLESHOOTING OF ELECTRICAL SYSTEM (E-MODE)
- BEFORE CARRYING OUT TROUBLESHOOTING (E-MODE)
- E-1 STARTING MOTOR DOES NOT ROTATE
- E-2 ENGINE IS NOT PRE-HEATED
- E-3 WHEN STARTING SWITCH IS TURNED ON, ANY ITEM DOES NOT LIGHT
- E-4 CHARGE LEVEL CAUTION FLASHES WHILE ENGINE IS RUNNING
- E-5 EMERGENCY WARNING ITEMS FLASH WHILE ENGINE IS RUNNING
- E-6 PRE-HEAT LAMP DOES NOT LIGHT DURING PRE-HEATING OPERATION
- E-7 COOLANT TEMPERATURE GAUGE DOES NOT INDICATE CORRECTLY
- E-8 HST OIL TEMPERATURE GAUGE DOES NOT INDICATE CORRECTLY
- E-9 FUEL LEVEL GAUGE DOES NOT INDICATE PROPERLY
- E-10 TRAVEL INDICATOR DOES NOT DISPLAY NORMALLY
- E-11 MULTI-INFORMATION UNIT DOES NOT DISPLAY NORMALLY
- E-12 CAUTION LAMP DOES NOT FLASH OR DOES NOT GO OFF
- E-13 CAUTION BUZZER DOES NOT SOUND OR DOES NOT STOP
- E-14 REVERSE TRAVEL SPEED SETTING SWITCH DOES NOT FUNCTION
- E-15 SHIFT MODE SWITCH DOES NOT FUNCTION
- E-16 BUZZER CANCEL SWITCH DOES NOT FUNCTION
- E-17 INFORMATION SWITCH DOES NOT FUNCTION
- E-18 THE FAN CLEANING DOES NOT OPERATE OR CANNOT BE RESET
- E-19 BACKUP ALARM DOES NOT SOUND
- E-20 THE HORN DOES NOT SOUND OR DOES NOT STOP
- E-21 WORK EQUIPMENT DOES NOT OPERATE
- E-22 HEAD LAMP OR REAR LAMP DOES NOT LIGHT UP
- E-23 FOOT HEATER DOES NOT OPERATE
- E-24 AIR CONDITIONER DOES NOT OPERATE [CAB SPECIFICATION]
- E-25 WIPER AND WASHER DO NOT OPERATE [CAB SPECIFICATION]
- E-26 KOMTRAX SYSTEM DOES NOT OPERATE NORMALLY
- NOT CONNECTED!] AND [SLOPE SENSOR NOT CONNECTED!]
- [SLOPE SENSOR NOT CONNECTED!]
- E-29 iB MONITOR DISPLAYS THE MESSAGE [WAITING FOR RADIO LINK
- E-30 iB MONITOR DISPLAYS THE MESSAGE [IMU SENSOR NOT CONNECTED]
- E-31 iB MONITOR DISPLAYS THE MESSAGE [WAITING FOR SATELLITES
- E-32 iB MONITOR DISPLAYS THE MESSAGE [KOMATSU CONTROLLER NOT CONNECTED]
- E-33 iB MONITOR DISPLAYS THE MESSAGE [CYLINDER STROKE READING ABNORMAL]
- E-34 iB MONITOR DISPLAYS THE MESSAGE [KOMATSU CAN COMMS ABNORMAL]
- E-35 iB MONITOR DISPLAYS THE MESSAGE [KOMATSU MACHINE TROUBLE]
- E-36 iB MONITOR DISPLAYS THE MESSAGE [WAITING TO INITIALIZE
- E-37 iB MONITOR DISPLAYS THE MESSAGE [SYSTEM INITIALIZING
- E-38 iB MONITOR DISPLAYS THE MESSAGE [INITIALIZING
- E-39 iB MONITOR DISPLAYS THE MESSAGE [CONFIGURING GPS]
- E-40 iB MONITOR DISPLAYS THE MESSAGE [NO GPS LOCALIZATION
- E-41 iB MONITOR DISPLAYS THE MESSAGE [LOW PRECISIONS
- E-42 iB MONITOR DISPLAYS THE MESSAGE [HEADING INITIALIZING]
- E-43 iB MONITOR DISPLAYS [OUT OF DESIGN AREA
- E-44 iB MONITOR CAN NOT BE TURNED ON
- E-45 iB MONITOR DOES NOT DISPLAY INTELLIGENT MACHINE CONTROL SCREN
- E-46 iB MONITOR DOES NOT DISPLAY BULLDOZER IMAGE
- E-47 iB MONITOR DOES NOT DISPLAY DESIGN SURFACE
- E-48 iB MONITOR TOUCH PANEL DOES NOT RESPOND
- E-49 iB MONITOR TOUCH PANEL IS INACCURATE
- E-50 CYLINDER STROKE RESET INDICATION DOES NOT GO OUT
- INDICATION GOES OUT)
- DISPLAYED (BLADE AUTOMATIC CONTROL STOPS)
- DIFFERENT FROM ACTUAL MACHINE
- IS LOWER THAN DESIGNED SURFACE OR BLADE DOES NOT TOUCH THE SURFACE)
- E-57 FINISHED SURFACE IS INACCURATE (THE FINISHED IS NOT SMOOTH)
- STEPS ARE MADE IN EACH DIRECTION)
- CONTROL IS ACTIVATED (SHOES FREQUENTLY SLIPS)
- ACTIVATED
- E-61 BLADE TILT ANGLE DOES NOT COINCIDE WITH DESIGN SURFACE
- E-62 BLADE TILTS BACK WHILE BLADE AUTOMATIC CONTROL IS ACTIVATED
- TROUBLESHOOTING OF HYDRAULIC AND MECHANICAL SYSTEM (H-MODE)
- H-1 RIGHT AND LEFT TRAVEL SYSTEMS INOPERABLE
- H-2 RIGHT OR LEFT TRAVEL SYSTEM DOES NOT OPERATE
- H-3 RIGHT OR LEFT TRAVEL SYSTEM DOES NOT OPERATE
- H-4 SPEED OR POWER OF TRAVEL IS LOW
- H-5 GEAR IS NOT SHIFTED
- H-6 LARGE SHOCKS ARE MADE WHEN MACHINE STARTS AND STOPS TRAVEL
- H-7 MACHINE DEVIATES LARGELY DURING TRAVEL
- H-8 HYDRAULIC DRIFT OF TRAVEL IS LARGE
- H-9 ENGINE STALLS OR SPEED LOWERS EXTREMELY DURING TRAVEL
- H-10 ABNORMAL SOUND COMES OUT FROM AROUND HST PUMP AND MOTOR
- H-11 WORK EQUIPMENT DOSE NOT OPERATE AT ALL
- H-12 SPEED OR POWER OF WHOLE WORK EQUIPMENT IS LOW
- H-13 BLADE LIFT SPEED OR POWER IS LOW
- H-14 BLADE TILT SPEED OR POWER IS LOW
- H-15 BLADE ANGLE SPEED OR POWER IS LOW
- H-16 TIME LAG OF BLADE LIFT IS LARGE
- H-17 HYDRAULIC DRIFT OF LIFTED BLADE IS LARGE
- H-18 HYDRAULIC DRIFT OF TILTING BLADE IS LARGE
- H-19 UNUSUAL NOISE IS HEARD FROM WORK EQUIPMENT PUMP OR CONTROL VALVE
- H-20 HST OIL TEMPERATURE RISES TOO HIGH
- H-21 FAN SPEED IS ABNORMAL (HIGH, LOW, OR 0 RPM)
- TROUBLESHOOTING OF ENGINE (S-MODE)
- METHOD OF USING TROUBLESHOOTING CHARTS
- (S-1) ENGINE STARTING PERFORMANCE IS POOR
- (S-2) ENGINE DOES NOT CRANK
- ENGINE CRANKS BUT NO EXHAUST SMOKE COMES OUT OF STACK
- SMOKE COMES OUT OF STACK BUT ENGINE DOES NOT START
- (S-3) ENGINE DOES NOT RUN SMOOTHLY
- (S-4) ENGINE STOPS DURING OPERATIONS
- (S-5) ENGINE SPEED HUNTS
- (S-6) ENGINE LACKS POWER
- (S-7) EXHAUST SMOKE IS BLACK
- (S-8) OIL CONSUMPTION IS EXCESSIVE OR EXHAUST SMOKE IS BLUE
- (S-9) OIL BECOMES CONTAMINATED QUICKLY
- (S-10) FUEL CONSUMPTION IS EXCESSIVE
- (S-11) OIL FOUND IN COOLANT, OR COOLANT SPURTS FROM RADIATOR
- (S-12) OIL PRESSURE CAUTION LAMP LIGHTS UP
- (S-13) OIL LEVEL RISES (COOLANT OR FUEL FOUND IN OIL)
- (S-14) COOLANT TEMPERATURE TOO HIGH (OVERHEATING)
- (S-15) ABNORMAL NOISE IS HEARD WHEN ENGINE IS RUNNING
- (S-16) EXCESSIVE VIBRATION WHEN ENGINE IS RUNNING
DISASSEMBLY AND ASSEMBLY89 topics
- RELATED INFORMATION ON DISASSEMBLY AND ASSEMBLY
- HOW TO READ THIS MANUAL
- SPECIAL TOOL LIST
- SKETCH OF SPECIAL TOOLS
- CONNECTOR REPAIR PROCEDURES
- CONTACT TERMINAL REMOVAL (HD30 TYPE)
- STRIPPING INSULATION
- CRIMPING CONTACT TERMINAL (HD30 TYPE)
- INSERTION OF CONTACT TERMINAL (HD30 TYPE)
- CONTACT TERMINAL REMOVAL (DT TYPE)
- CRIMPING CONTACT TERMINAL (DT TYPE)
- INSERTION OF CONTACT TERMINAL (DT TYPE)
- NOSE GUARD (HOOD)
- REMOVAL
- INSTALLATION
- MUFFLER AND EXHAUST STACK
- MONITOR PANEL AND HST CONTROLLER
- KOMTRAX CONTROLLER
- REMOVAL AND INSTALLATION OF ICT SENSOR CONTROLLER ASSEMBLY
- REMOVAL AND INSTALLATION OF iB MONITOR
- REMOVAL AND INSTALLATION OF GNSS RECEIVER
- REMOVAL AND INSTALLATION OF iB GNSS ANTENNA
- REMOVAL AND INSTALLATION OF IMU SENSOR
- SEAT
- AIR CONDITIONER/HEATER
- DISASSEMBLY OF AIR CONDITIONER
- ASSEMBLY OF AIR CONDITIONER
- FOOT HEATER
- FOOT HEATER OVERHAUL PROCEDURES
- ASSEMBLY PROCEDURES
- ENGINE AND HST PUMP
- REMOVAL FROM ENGINE
- INSTALLATION TO ENGINE
- DRIVE DAMPENER
- HST PUMP OVERHAUL PROCEDURES
- DISASSEMBLY PROCEDURES
- WORK EQUIPMENT PUMP OVERHAUL PROCEDURES
- INSTALL
- CHARGE PUMP OVERHAUL PROCEDURES
- DIESEL ENGINE OVERHAUL PROCEDURES
- DISASSEMBLY OF EXTERNAL COMPONENTS
- DISASSEMBLY OF ENGINE TOP END
- REMOVAL OF OIL COOLER, ENGINE CONTROLLER AND FUEL PUMP
- DISASSEMBLY OF ENGINE LOWER END
- ASSEMBLY OF ENGINE LOWER END
- INSTALLATION OF OIL COOLER, ENGINE CONTROLLER AND FUEL PUMP
- ASSEMBLY OF EXTERNAL COMPONENTS
- TYPE TRACK SHOE)
- WHOLE DISASSEMBLY AND ASSEMBLY OF TRACK SHOE (PLUS TYPE TRACK SHOE)
- TRACK SYSTEM
- SPREADING THE TRACK
- (CONVENTIONAL TYPE TRACK SHOE)
- EXPANSION AND INSTALLATION OF TRACK SHOE ASSEMBLY (PLUS TYPE TRACK SHOE)
- FIELD DISASSEMBLY AND ASSEMBLY OF ONE LINK (CONVENTIONAL TYPE TRACK SHOE)
- FIELD DISASSEMBLY AND ASSEMBLY OF ONE LINK (PLUS TYPE TRACK SHOE)
- TRACK FRAME
- REMOVAL OF TRACK FRAME
- FRONT TRACK IDLER
- REMOVING FRONT IDLER
- INSTALLING FRONT IDLER
- TRACK ROLLER OVERHAUL PROCEDURES
- CARRIER ROLLER OVERHAUL PROCEDURES
- FINAL DRIVE REMOVAL
- INSTALLING THE FINAL DRIVE
- FINAL DRIVE OVERHAUL PROCEDURES
- ASSEMBLY OF FINAL DRIVE
- TRAVEL MOTOR OVERHAUL PROCEDURES
- FAN MOTOR
- REMOVAL PROCEDURES
- INSTALLATION PROCEDURES
- FAN MOTOR OVERHAUL PROCEDURES
- DB 12 VALVE
- COOLING PACKAGE
- REMOVING THE GRILL AND COOLING FAN ASSEMBLY
- REMOVING THE COOLING PACKAGE
- INSTALLING THE COOLING PACKAGE
- INSTALLING THE GRILL AND COOLING FAN ASSEMBLY
- FUEL TANK
- REMOVING THE FUEL TANK
- INSTALLING THE FUEL TANK
- HYDRAULIC TANK
- REMOVING THE HYDRAULIC TANK
- INSTALLING THE HYDRAULIC TANK
- REMOVING OR INSTALLING PINS
- FRONT BLADE, TILT AND ANGLE CYLINDERS
- ADJUSTING BLADE CENTER BALL AND PITCH ROD PLAY
- C” FRAME
- LIFT CYLINDERS
- CYLINDER OVERHAUL PROCEDURES
OTHERS15 topics
- CONNECTOR ARRANGEMENT DRAWING AND ELECTRICAL CIRCUIT DIAGRAM
- CONNECTOR LIST
- CONNECTOR LOCATION VIEW
- SYMBOLS IN HYDRAULIC CIRCUIT DIAGRAMS
- SYMBOLS IN ELECTRICAL CIRCUIT DIAGRAMS
- CAB ELECTRICAL ACCESSORIES
- AIR CONDITIONER AND HEATER UNIT
- ELECTRICAL CIRCUIT DIAGRAM (VIEW 1 OF 8)
- ELECTRICAL CIRCUIT DIAGRAM (VIEW 2 OF 8)
- ELECTRICAL CIRCUIT DIAGRAM (VIEW 3 OF 8)
- ELECTRICAL CIRCUIT DIAGRAM (VIEW 4 OF 8)
- ELECTRICAL CIRCUIT DIAGRAM (VIEW 5 OF 8)
- ELECTRICAL CIRCUIT DIAGRAM (VIEW 6 OF 8)
- ELECTRICAL CIRCUIT DIAGRAM (VIEW 7 OF 8)
- ELECTRICAL CIRCUIT DIAGRAM (VIEW 8 OF 8)
Inside this manual
Real pages from this service manual (1,589 pages). Open the sample pages (PDF, 648 KB)
- Specifications, page 90: 01 SPECIFICATION
- Diagram, page 666: 12ERROR CODE [CA435]
- Troubleshooting, page 882: ERROR CODE [DKS6KB]
- Foldout diagram: D51EXi-22, D51PXi-22
Other manuals for this machine
Save 10% on 2 manuals, 15% on 3 or more. Other manuals for the D51EXi-22, D51PXi-22 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 KEBM028602$159.57
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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, 1,589 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).