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Komatsu D65EX-17, D65PX-17, D65WX-17 Bulldozer Service Manual

1,906 pages · Publication SEN05536-06

$199.59
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Models
D65EX-17, D65PX-17, D65WX-17
Serial coverage
1001 and up
Manual type
Service Manual
Pages
1,906
Publication
SEN05536-06
Condition
Brand new
Komatsu D65EX-17, D65PX-17, D65WX-17 Bulldozer Service Manual, publication SEN05536-06

What's inside

From the manual's own table of contents: 363 sections, 681 entries. See sample pages (PDF, 840 KB)

Index and foreword
Foreword, safety and general information
Important safety notice
How to read the shop manual
Explanation of terms for maintenance 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
Standard tightening torque table
List of abbreviation
Conversion table
Specification
Specifications
Specification drawing
Weight table
Table of fuel, coolant and lubricants
Structure and function
Engine and cooling system
Engine related parts
Damper
Show all 363 sections
Cooling system
Cooling fan pump
Cooling fan motor
Power train
HSS system
Overall drawing of power train unit
Power train mount
Power train hydraulic piping drawing
Transmission, steering, and brake control
Universal joint
Torque converter and PTO
Transmission
Transmission control valve
Forward and reverse clutch ECMV and gear shift clutch ECMV
Lockup clutch ECMV
Main relief valve and torque converter relief valve
Transmission lubricating oil relief valve
Bevel gear shaft, HSS, and brake
Brake valve
Final drive
Undercarriage and frame
Main frame
Suspension
Track frame and idler cushion
Hydraulic system
Hydraulic component layout
Work equipment control
Hydraulic tank
CLSS13 topics
  • Scavenging pump
  • Steering lubricating oil pump and power train pump
  • HSS pump
  • HSS motor
  • Control valve
  • Blade PPC valve
  • Ripper PPC valve
  • Quick drop valve
  • Work equipment lock solenoid valve
  • Pitch selector solenoid valve
  • Angle control EPC valve
  • Hydraulic oil cooler bypass valve
  • PPC accumulator
Work equipment2 topics
  • Ripper
  • Piston valve
Cab and its attachments2 topics
  • ROPS cab
  • Cab mount
Electrical system7 topics
  • Engine control system
  • Cooling system control system
  • Palm command control system
  • Machine monitor system
  • KOMTRAX system
  • System component parts
  • Sensor
Standard value tables
Standard service value table2 topics
  • Standard value table for engine
  • Standard value table for machine
Testing and adjusting
Related information on testing and adjusting22 topics
  • Tools for testing, adjusting, and troubleshooting
  • Testing engine speed
  • Measuring boost pressure
  • Measuring exhaust gas temperature
  • Measuring exhaust gas color
  • Measuring and adjusting valve clearance
  • Measuring compression pressure
  • Measuring blowby pressure
  • Measuring engine oil pressure
  • Measuring EGR valve and KVGT oil pressure
  • Releasing remaining pressure from fuel system
  • Measuring fuel pressure
  • Measuring fuel delivery, return rate and leakage
  • Handling cylinder cutout mode operation
  • Handling no-injection cranking operation
  • Bleeding air from fuel system
  • Testing fuel circuit for leakage
  • Testing and adjusting air conditioner compressor belt tension
  • Check alternator belt, replace
  • Check auto-tensioner, replace
  • Adjusting fuel dial and decelerator pedal
    • controller
Measuring power train oil pressure
Adjusting transmission output shaft speed sensor (replacement procedure)
Simple test procedure for brake performance
Adjusting brake pedal
Adjusting parking brake lever
Retrieval of disabled machine using brake release device
Adjusting idler clearance
Checking sprocket wear
Testing and adjusting track tension
Releasing remaining pressure in work equipment cylinder
Measuring and adjusting work equipment and HSS oil pressure
Measuring source pressure of control circuit
Measuring PPC valve output pressure
Adjusting play of work equipment PPC valve
Isolating the parts causing hydraulic drift in blade and ripper
Measure internal oil leakage of work equipment cylinder
Checking fan speed
Measuring fan circuit oil pressure
Bleeding air from hydraulic circuit
Adjusting work equipment lock lever
Adjustment of straight tilt dozer
Adjusting operator's cab
Adjusting play of blade center ball
Special functions of machine monitor
Handling voltage circuit of engine controller
Adjustment method when controller has been replaced
Testing diodes
Pm clinic
Pm Clinic service
Pm Clinic check sheet
Troubleshooting
Related information on troubleshooting
Troubleshooting points
Sequence of events in troubleshooting
Check before troubleshooting
Inspection procedure before troubleshooting
Preparation for troubleshooting of electrical system
Classification and procedures for troubleshooting
Classification and procedures for troubleshooting numbers
Information in troubleshooting table
Troubleshooting method for open circuit in wiring harness of pressure sensor system
Connector list and layout
Connector contact identification
T-branch box and T-branch adapter table
Fuse locations table
Precautions for KDPF (KCSF and KDOC) Cleaning and Replacement2 topics
  • sensors)
  • Failure codes table
Troubleshooting by failure code (Display of code)57 topics
  • Failure code [1500L0] Transmission clutch:Abnormal
  • Failure code [15SAL1] Forward clutch:Fill High
  • Failure code [15SALH] Forward clutch:Fill Low
  • Failure code [15SBL1] Reverse clutch:Fill High
  • Failure code [15SBLH] Reverse clutch:Fill Low
  • Failure code [15SEL1] Speed 1st clutch:Fill High
  • Failure code [15SELH] Speed 1st clutch:Fill Low
  • Failure code [15SFL1] Speed 2nd clutch:Fill High
  • Failure code [15SFLH] Speed 2nd clutch:Fill Low
  • Failure code [15SGL1] Speed 3rd clutch:Fill High
  • Failure code [15SGLH] Speed 3rd clutch:Fill Low
  • Failure code [15SJL1] L/U :Fill Hihg
  • Failure code [15SJLH] L/U :Fill low
  • Failure code [1800MW] P/L clutch:Slip
  • Failure code [879AKA] A/C Inner Sensor Open Circuit
  • Failure code [879AKB] A/C Inner Sensor Short Circuit
  • Failure code [879BKA] A/C Outer Sensor Open Circuit
  • Failure code [879BKB] A/C Outer Sensor Short Circuit
  • Failure code [879CKA] Ventilating Sensor Open Circuit
  • Failure code [879CKB] Ventilating Sensor Short Circuit
  • Failure code [879DKZ] Sunlight Sensor Open Or Short Circuit
  • Failure code [879EMC] Ventilation Damper Abnormality
  • Failure code [879FMC] Air Mix Damper Abnormality
  • Failure code [879GKX] Refrigerant Abnormality
  • Failure code [989L00] Engine Controller Lock Caution 1
  • Failure code [989M00] Engine Controller Lock Caution 2
  • Failure code [989N00] Engine Controller Lock Caution 3
  • Failure code [A1U0N3] HC Desorb Request 1
  • Failure code [A1U0N4] HC Desorb Request 2
  • Failure code [AA10NX] Air Cleaner Clogging
  • Failure code [AB00KE] Charge Voltage Low
  • Failure code [B@BAZG] Eng Oil Press Low
  • Failure code [B@BCNS] Eng Water Overheat
  • Failure code [B@CENS] P/L Oil Overheat
  • Failure code [B@HANS] Hyd Oil Overheat
  • Failure code [CA115] Eng Ne and Bkup Speed Sens Error
  • Failure code [CA122] Chg Air Press Sensor High Error
  • Failure code [CA123] Chg Air Press Sensor Low Error
  • Failure code [CA131] Throttle Sensor High Error
  • Failure code [CA132] Throttle Sensor Low Error
  • Failure code [CA144] Coolant Temp Sens High Error
  • Failure code [CA145] Coolant Temp Sens Low Error
  • Failure code [CA153] Chg Air Temp Sensor High Error
  • Failure code [CA154] Chg Air Temp Sensor Low Error
  • Failure code [CA187] Sensor 2 Supply Volt Low Error
  • Failure code [CA234] Eng Overspeed
  • Failure code [CA221] Ambient Press Sensor High Error
  • Failure code [CA222] Ambient Press Sensor Low Error
  • Failure code [CA227] Sensor 2 Supply Volt High Error
  • Failure code [CA238] Ne Speed Sensor Supply Volt Error
  • Failure code [CA239] Ne Speed Sens Supply Volt High Error
  • Failure code [CA271] IMV/PCV1 Short Error
  • Failure code [CA272] IMV/PCV1 Open Error
  • Failure code [CA281] Pump Press Balance Error
  • Failure code [CA295] Ambient Pressure Sensor In Range Error
  • Failure code [CA322] Inj #1(L#1) Open/Short Error
  • Failure code [CA323] Inj #5(L#5) Open/Short Error
Failure code [CA324] Inj #3(L#3) Open/Short Error
Failure code [CA325] Inj #6(L#6) Open/Short Error
Failure code [CA331] Inj #2(L#2) Open/Short Error
Failure code [CA332] Inj #4(L#4) Open/Short Error
Failure code [CA343] ECM Critical Internal Failure
Failure code [CA351] Injectors Drive Circuit Error
Failure code [CA352] Sensor 1 Supply Volt Low Error
Failure code [CA356] Mass Air Flow Sensor High Error
Failure code [CA357] Mass Air Flow Sensor Low Error
Failure code [CA386] Sensor 1 Supply Volt High Error
Failure code [CA428] Water in Fuel Sensor High Error
Failure code [CA429] Water in Fuel Sensor Low Error
Failure code [CA435] Eng Oil Press Sw Error
Failure code [CA441] Battery Voltage Low Error
Failure code [CA442] Battery Voltage High Error
Failure code [CA449] Rail Press Very High Error
Failure code [CA451] Rail Press Sensor High Error
Failure code [CA452] Rail Press Sensor Low Error
Failure code [CA488] Chg Air Temp High Torque Derate
Failure code [CA515] Rail Press Sens Sup Volt High Error
Failure code [CA516] Rail Press Sens Sup Volt Low Error
Failure code [CA553] Rail Press High Error
Failure code [CA555] Crankcase Press High Error 2
Failure code [CA556] Crankcase Press High Error 2
Failure code [CA559] Rail Pump Press Low Error
Failure code [CA595] Turbo Speed High Error 2
Failure code [CA687] Turbo Speed Low Error
Failure code [CA689] Eng Ne Speed Sensor Error
Failure code [CA691] Intake Air Temp Sens High Error
Failure code [CA692] Intake Air Temp Sens Low Error
Failure code [CA697] ECM Internal Temp Sensor High Error
Failure code [CA698] ECM Int Temp Sensor Low Error
Failure code [CA731] Eng Bkup Speed Sens Phase Error
Failure code [CA778] Eng Bkup Speed Sensor Error
Failure code [CA1117] Persistent Data Lost Error
Failure code [CA1664] KDOC Malfunction
Failure code [CA1691] Regeneration Ineffective
Failure code [CA1695] Sensor 5 Supply Volt High Error
Failure code [CA1696] Sensor 5 Supply Volt Low Error
Failure code [CA1843] Crankcase Press Sens High Error
Failure code [CA1844] Crankcase Press Sens Low Error
Failure code [CA1879] KDPF Delta P Sensor High Error
Failure code [CA1881] KDPF Delta P Sensor Low Error
Failure code [CA1883] KDPF Delta P Sens In Range Error
Failure code [CA1921] KDPF Soot Load High Error 1
Failure code [CA1922] KDPF Soot Load High Error 2
Failure code [CA1942] Crankcase Press Sens In Range Error
Failure code [CA1993] KDPF Delta Pressure Low Error
Failure code [CA2185] Throt Sensor Sup Volt High Error
Failure code [CA2186] Throt Sensor Sup Volt Low Error
Failure code [CA2249] Rail Press Very Low Error
Failure code [CA2265] Fuel Feed Pump Open Error
Failure code [CA2266] Fuel Feed Pump Short Error
Failure code [CA2271] EGR Valve Pos Sens High Error
Failure code [CA2272] EGR Valve Pos Sens Low Error
Failure code [CA2288] Turbo Speed High Error 1
Failure code [CA2311] IMV Solenoid Error
Failure code [CA2349] EGR Valve Solenoid Open Error
Failure code [CA2353] EGR Valve Solenoid Short Error59 topics
  • Failure code [CA2357] EGR Valve Servo Error
  • Failure code [CA2373] Exhaust Manifold Press Sens High error
  • Failure code [CA2374] Exhaust Manifold Press Sens Low error
  • Failure code [CA2375] EGR Orifice Temp Sens High Error
  • Failure code [CA2376] EGR Orifice Temp Sens Low Error
  • Failure code [CA2381] KVGT Pos Sens High Error
  • Failure code [CA2382] KVGT Pos Sens Low Error
  • Failure code [CA2383] KVGT Solenoid Open Error
  • Failure code [CA2386] KVGT Solenoid Short Error
  • Failure code [CA2387] KVGT Servo Error
  • Failure code [CA2554] Exh Manifold Press Sens In Range Error
  • Failure code [CA2555] Grid Htr Relay Volt Low Error
  • Failure code [CA2556] Grid Htr Relay Volt High Error
  • Failure code [CA2637] KDOC Blocked
  • Failure code [CA2639] Manual Stationary Regeneration Request
  • Failure code [CA2961] EGR Orifice Temp High Error 1
  • Failure code [CA2973] Chg Air Press Sensor In Range Error
  • Failure code [CA3133] KDPF Outlet Press Sens High Error
  • Failure code [CA3134] KDPF Outlet Press Sens Low Error
  • Failure code [CA3135] KDPF Outlet Press Sens In Range Error
  • Failure code [CA3251] KDOC Inlet Temp High Error
  • Failure code [CA3253] KDOC Temp Error - Non Regeneration
  • Failure code [CA3254] KDOC Outlet Temp High Error 1
  • Failure code [CA3255] KDPF Temp Error - Non Regeneration
  • Failure code [CA3256] KDPF Outlet Temp High Error 1
  • Failure code [CA3311] KDOC Outlet Temp High Error 2
  • Failure code [CA3312] KDPF Outlet Temp High Error 2
  • Failure code [CA3313] KDOC Inlet Temp Sensor Low Error
  • Failure code [CA3314] KDOC Inlet Temp Sens High Error
  • Failure code [CA3315] KDOC Inlet Temp Sens In Range Error
  • Failure code [CA3316] KDOC Outlet Temp Sens Low Error
  • Failure code [CA3317] KDOC Outlet Temp Sens High Error
  • Failure code [CA3318] KDOC Outlet Temp Sens In Range Error
  • Failure code [CA3319] KDPF Outlet Temp Sens High Error
  • Failure code [CA3321] KDPF Outlet Temp Sens Low Error
  • Failure code [CA3322] KDPF Outlet Temp Sens In Range Error
  • Failure code [CA3419] Mass Air Flow Sensor Sup Volt High Error
  • Failure code [CA3421] Mass Air Flow Sensor Sup Volt Low Error
  • Failure code [CA3741] Rail Press Valve Trip Error
  • Failure code [D130KA] Neutral relay: Open
  • Failure code [D130KB] Neutral relay: Short circuit
  • Failure code [D19DKA] Amber light relay:Open
  • Failure code [D19DKB] Amber light relay:Short circuit
  • Failure code [D19JKZ] Personal Code Relay Abnormality
  • Failure code [D811MC] KOMTRAX Error
  • Failure code [D862KA] GPS Antenna Open Circuit
  • Failure code [D8ALKA] Operating Lamp Open Circuit(KOMTRAX)
  • Failure code [D8ALKB] Operating Lamp Short Circuit(KOMTRAX)
  • Failure code [D8AQKR] CAN2 Discon(KOMTRAX)
  • Failure code [DAF0MB] Monitor ROM Abnormality
  • Failure code [DAF0MC] Monitor Error
  • Failure code [DAF8KB] Camera Power Supply Short Circuit
  • Failure code [DAF9KQ] Model Selection Abnormality
  • Failure code [DAFGMC] GPS Module Error
  • Failure code [DAFLKA] Operating Lamp Open Circuit(Monitor)
  • Failure code [DAFLKB] Operating Lamp Short Circuit(Monitor)
  • Failure code [DAFQKR] CAN2 Discon
  • Failure code [DAZ9KQ] A/C Model Selection Abnormality
  • Failure code [DAZQKR] CAN2 Discon (Aircon ECU)
Failure code [DB2QKR] CAN2 Discon (Engine Con)
Failure code [DB2RKR] CAN1 Discon (Engine Con)
Failure code [DBE0KT] PTcontroller: Abnormality in controller
Failure code [DBE1KK] PTcontroller: Source voltage low
Failure code [DBE2KK] PTcontroller: Output voltage low
Failure code [DBE5KK] PT:Sensor volt 5V (0) Out of normal range
Failure code [DBE6KK] PT:Sensor volt 24V Out of normal range
Failure code [DBE7KK] PT:Sensor volt 5V (1) Out of normal range
Failure code [DBE9KQ] PT controller:Type select signal
Failure code [DBELKA] Operating Lamp Open Circuit(PT Con)
Failure code [DBELKB] Operating Lamp Short Circuit(PT Con)
Failure code [DBEQKR] CAN2 Discon (PT Con)
Failure code [DBERKR] CAN1 Discon (PT Con)
Failure code [DD12KA] Shift up Sw:Open
Failure code [DD12KB] Shift up Sw:Short circuit
Failure code [DD13KA] Shift down Sw:Open
Failure code [DD13KB] Shift down Sw:Short circuit
Failure code [DD14KA] Parking lever Sw: Open
Failure code [DD14KB] Parking lever Sw: Short circuit
Failure code [DDKFL4] Left Angle Sw:Signal mismatch
Failure code [DDKGL4] Right Angle Sw:Signal mismatch
Failure code [DDKHKA] iB Sw:Open
Failure code [DDKHKB] iB Sw:Short circuit
Failure code [DDN7KA] Weq pitch Sw: Open
Failure code [DDN7KB] Weq pitch Sw: Short circuit
Failure code [DDNLKA] Weq lock Sw: Open
Failure code [DDNLKB] Weq lock Sw: Short circuit
Failure code [DGS1KA] Hyd oil temp sensor:Open
Failure code [DGS1KX] Hyd oil temp: signal abnormal
Failure code [DGT1KA] T/C oil temp sensor:Open
Failure code [DGT1KX] T/C oil temp sensor:Out of normal range
Failure code [DH21KA] Weq pressure sensor:Open
Failure code [DH21KB] Work equipment pressure sensor: Hot Short
Failure code [DHA4KA] Air Cleaner Clogging Sensor Open Circuit
Failure code [DHTDKA] T/C pressure sensor: Open
Failure code [DHTDKB] T/C pressure sensor:Hot Short
Failure code [DK10KA] Fuel control Dial: Open
Failure code [DK10KB] Fuel control Dial:Short circuit
Failure code [DK30KA] ST lever1: Open
Failure code [DK30KB] ST lever: Hot Short
Failure code [DK30KX] ST lever: Main and Sub Error
Failure code [DK30KZ] ST lever: Main and Sub Error
Failure code [DK30L8] ST lever:Signal mismatch
Failure code [DK31KA] ST lever2: Open
Failure code [DK31KB] ST lever2: Hot Short
Failure code [DK40KA] Brake potentiometer: Open
Failure code [DK40KB] Brake potentiometer:Hot Short
Failure code [DK55KX] FR lever:Main and Sub Error
Failure code [DK55KZ] FR lever:Main and Sub Error
Failure code [DK55L8] FR lever:Signal mismatch
Failure code [DK56KA] FR lever1:Open
Failure code [DK56KB] FR lever1:Hot Short
Failure code [DK57KA] FR lever2:Open
Failure code [DK57KB] FR lever2:Hot Short
Failure code [DKH1KA] Pitch angle sensor: Open
Failure code [DKH1KB] Pitch angle sensor: Hot Short
Failure code [DLM3KA] Fan rev. sensor:Open
Failure code [DLM3MB] Fan control:Mismatch
Failure code [DLT3KA] T/M out-speed sensor:Open47 topics
  • Failure code [DLT3KB] T/M out-speed sensor:Short circuit
  • Failure code [DR21KX] Camera 2 Picture Rev. Drive Abnormality
  • Failure code [DR31KX] Camera 3 Picture Rev. Drive Abnormality
  • Failure code [DV20KB] Back-up alarm :Short Circuit
  • Failure code [DW5AKA] Pitch select solenoid:Disconnection
  • Failure code [DW5AKB] Pitch select solenoid:Short circuit
  • Failure code [DW5AKY] Pitch select solenoid:Hot short
  • Failure code [DW7BKA] Fan reverse solenoid:Open
  • Failure code [DW7BKB] Fan reverse solenoid:Short circuit
  • Failure code [DWN1KA] Hss EPC RH:Open
  • Failure code [DWN1KB] Hss EPC RH:Short circuit
  • Failure code [DWN1KY] Hss EPC RH:Hot short
  • Failure code [DWN2KA] Hss EPC LH:Open
  • Failure code [DWN2KB] Hss EPC LH:Short circuit
  • Failure code [DWN2KY] Hss EPC LH:Hot short
  • Failure code [DWN5KA] Fan pump solenoid 1 :Open
  • Failure code [DWN5KB] Fan pump solenoid 1 :Short circuit
  • Failure code [DWN5KY] Fan pump solenoid 1: Hot short
  • Failure code [DXA2KA] TVC solenoid 1: Open
  • Failure code [DXA2KB] TVC solenoid 1: Short circuit
  • Failure code [DXA2KY] TVC solenoid 1: Hot short
  • Failure code [DXH1KA] Lock-up ECMV:Open
  • Failure code [DXH1KB] Lock-up ECMV: Short circuit
  • Failure code [DXH1KY] Lock-up ECMV: Hot short
  • Failure code [DXH4KA] 1st clutch ECMV:Open
  • Failure code [DXH4KB] 1st clutch ECMV:Short circuit
  • Failure code [DXH4KY] 1st clutch ECMV:Hot short
  • Failure code [DXH5KA] 2nd clutch ECMV:Open
  • Failure code [DXH5KB] 2nd clutch ECMV:Short circuit
  • Failure code [DXH5KY] 2nd clutch ECMV:Hot short
  • Failure code [DXH6KA] 3rd clutch ECMV:Open
  • Failure code [DXH6KB] 3rd clutch ECMV:Short circuit
  • Failure code [DXH6KY] 3rd clutch ECMV:Hot short
  • Failure code [DXH7KA] R clutch ECMV:Open
  • Failure code [DXH7KB] R clutch ECMV:Short circuit
  • Failure code [DXH7KY] R clutch ECMV:Hot short
  • Failure code [DXH8KA] F clutch ECMV:Open
  • Failure code [DXH8KB] F clutch ECMV:Short circuit
  • Failure code [DXH8KY] F clutch ECMV:Hot short
  • Failure code [DXJ4KA] Weq lock Sol.:Open
  • Failure code [DXJ4KB] Weq lock Sol.:Short circuit
  • Failure code [DXJCKA] Blade angle left EPC:Open
  • Failure code [DXJCKB] Blade angle left EPC:Short circuit
  • Failure code [DXJCKY] Blade angle left EPC:Hot short
  • Failure code [DXJDKA] Blade angle right EPC:Open
  • Failure code [DXJDKB] Blade angle right EPC:Short circuit
  • Failure code [DXJDKY] Blade angle right EPC:Hot short
Troubleshooting of electrical system (E-mode)9 topics
  • Engine does not start (Engine does not crank)
  • Manual preheating does not work
  • Automatic preheating does not work
  • While preheating is working, preheating monitor does not light up
  • When starting switch is turned to ON position, machine monitor displays nothing
  • Air cleaner clogging monitor lights up in yellow while engine is running
  • Charge level monitor lights up in red while engine is running
  • Engine coolant temperature monitor lights up while engine is running
  • Engine oil pressure monitor lights up in red while engine is running
Power train oil temperature monitor lights up while engine is running
Hydraulic oil temperature monitor lights up while engine is running
Engine coolant temperature gauge does not indicate correct temparature
Fuel level gauge does not indicate correct level
Power train oil temperature gauge does not indicate correct temperature
Hydraulic oil temperature gauge does not indicate correct temperature
Operation mode does not change
Gearshift mode does not change
Operating customize switch does not display customize screen
Modifying setting on customize screen does not change setting of machine
Reverse slow mode does not function properly
Alarm buzzer does not sound or does not stop sounding
While starting switch is in OFF position, service meter is not displayed
Service mode cannot be selected
Horn does not sound
Horn does not stop sounding
Backup alarm does not sound
Backup alarm does not stop sounding
Headlamp does not light up
Rear lamp does not light up
No wiper operates continuously or intermittently1 topic
  • operations)
KOMTRAX system does not operate properly
Troubleshooting of hydraulic and mechanical system (H-mode)
Information described in troubleshooting table (H-mode)
System diagram of hydraulic and mechanical system
List of Failure Mode and Cause
Machine lacks power (insufficient drawbar pull)
Machine cannot travel (at 2nd or 3rd speed)
Machine does not start at all gear speeds
Machine travels only in one direction, either forward or in reverse
Large time lag at gear shifting or directional selection
Machine cannot be steered (machine does not turn left or right)
Steering speed or power is insufficient
Brake does not operate
Torque converter does not lock up
Power train oil overheats1 topic
  • motor
All work equipment operates slowly
All work equipment does not operate
Blade lift speed or power is low
Blade tilt speed or power is low
Blade angle speed or power is low
Ripper lift speed or power is low
Hydraulic drift of lifted blade is large
Hydraulic drift of tilted blade is large
Hydraulic drift of lifted ripper is large
Fan speed is abnormal (high, low, or no rotation)
Unusual noise is heard from around fan
Troubleshooting of engine (S-mode)
Information contained in troubleshooting table (S mode)22 topics
  • Engine does not crank when starting switch is turned to START position
  • The engine cranks but exhaust smoke does not come out
  • 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
  • Engine oil becomes contaminated early
  • Fuel consumption is excessive
  • Oil is in coolant (or coolant spurts or coolant level goes down)
  • 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
  • Frequent active regeneration
  • Active regeneration takes time
  • White smoke is exhausted during active regeneration
Disassembly and assembly
Related information on disassembly and assembly30 topics
  • How to read this manual
  • Coating materials list
  • Special tool list
  • Sketches of special tools
  • Removal and installation of supply pump assembly
  • Removal and installation of fuel injector assembly
  • Removal and installation of cylinder head assembly
  • Removal and installation of radiator assembly
  • Removal and installation of aftercooler
  • Removal and installation of hydraulic oil cooler assembly
  • Removal and installation of power train oil cooler assembly
  • Removal and installation of cooling fan drive assembly
  • Removal and installation of cooling fan motor assembly
  • Removal and installation of engine assembly
  • Removal and installation of damper assembly
  • Removal and installation of engine front seal
  • Removal and installation of engine rear seal
  • Removal and installation of engine hood assembly
  • Removal and installation of fuel tank assembly
  • Removal and installation of KDPF cover
  • Removal and installation of KDPF assembly
  • Disassembly and assembly of KDPF
  • Removal and installation of KCCV assembly
  • Removal and installation of air cleaner assembly
  • Removal and installation of power train unit assembly
  • Disconnecting and connecting of power train unit assembly
  • Disassembly and assembly of PTO
  • Disassembly and assembly of torque converter
  • Disassembly and assembly of TORQFLOW transmission
  • Disassembly and assembly of HSS
Removal and installation of final drive assembly
Disassembly and assembly of final drive
Removal and installation of track frame assembly
Removal and installation of idler assembly
Disassembly and assembly of idler
Removal and installation of recoil spring assembly
Disassembly and assembly of recoil spring
Removal and installation of track roller assembly
Disassembly and assembly of track roller
Removal and installation of carrier roller assembly
Disassembly and assembly of carrier roller
Separation and connection of track shoe assembly (Standard type track shoe)
Separation and connection of track shoe assembly (PLUS type track shoe)
Overall disassembly and assembly of track shoe (standard type track shoe)
Overall disassembly and assembly of track shoe (PLUS type track shoe)
Disassembly and assembly of one link in field (standard type track shoe)
Disassembly and assembly of one link in field (PLUS type track shoe)
Removal and installation of pivot shaft assembly
Removal and installation of equalizer bar assembly
Disassembly and assembly of equalizer bar side bushing
Removal and installation of hydraulic tank assembly
Removal and installation of control valve assembly
Disassembly and assembly of control valve
Disassembly and assembly of blade PPC valve
Disassembly and assembly of ripper PPC valve
Removal and installation of HSS pump and cooling fan pump assembly1 topic
  • assembly
Removal and installation of cooling scavenging pump assembly
Removal and installation of HSS motor assembly
Disassembly and assembly of hydraulic cylinder
Removal and installation of blade assembly (ST-TPP dozer)
Removal and installation of blade assembly (PAT dozer)
Removal and installation of ripper assembly
Removal and installation of ROPS cab assembly
Removal and installation of operator's cab glass (adhesion glass)
Removal and installation of operator's seat
Removal and installation of seat belt
Removal and installation of air conditioner unit assembly
Removal and installation of air conditioner compressor assembly
Removal and installation of machine monitor assembly
Removal and installation of engine controller assembly
Removal and installation of power train controller assembly
Removal and installation of mass air flow and temperature sensor
Removal and installation of KOMTRAX terminal
Maintenance standard
Engine mount27 topics
  • Power train mount
  • Universal joint
  • Torque converter and PTO
  • Transmission
  • Transmission control valve
  • Forward and reverse clutch ECMV and gear shift clutch ECMV
  • Lockup clutch ECMV
  • Main relief valve and torque converter relief valve
  • Transmission lubricating oil relief valve
  • Bevel gear shaft, HSS, and brake
  • Brake valve
  • Final drive
  • Sprocket
  • Main frame
  • Suspension
  • Track frame and idler cushion
  • Idler
  • Track roller
  • Carrier roller
  • Track shoe
  • Hydraulic tank
  • Cutting edge and end bit
  • Lift cylinder
  • Tilt cylinder
  • Pitch cylinder
  • Angle cylinder
  • Ripper cylinder
Appendix
Air conditioner components12 topics
  • Precautions for refrigerant
  • Air conditioner component
  • Configuration and function of refrigeration cycle
  • Outline of refrigeration cycle
  • Air conditioner unit
  • Dual pressure switch
  • Air conditioner controller
  • Compressor
  • Condenser
  • Receiver drier
  • Sunlight sensor
  • Outside air temperature sensor
Procedure for testing and troubleshooting
Circuit diagram and arrangement of connector pins
System diagram
Input and output signals of the air conditioner controller
Layout of air conditioner related parts and connectors
Testing air leakage (duct)
Testing with self-diagnosis function1 topic
  • monitor
Testing vent (mode) changeover
Testing FRESH/RECIRC air changeover
Testing sunlight sensor
Testing (dual) pressure switch for refrigerant
Testing relays
Troubleshooting chart 1
Troubleshooting chart 2
Failure code list related to air conditioner
Failure code [879AKA] A/C Inner Sensor Open Circuit
Failure code [879AKB] A/C Inner Sensor Short Circuit
Failure code [879BKA] A/C Outer sensor Open Circuit
Failure code [879BKB] A/C Outer sensor Short Circuit
Failure code [879CKA] Ventilating Sensor Open Circuit
Failure code [879CKB] Ventilating Sensor Short Circuit
Failure code [879DKZ] Sunlight sensor Open or Short Circuit
Failure code [879EMC] Ventilation Damper Abnormality
Failure code [879FMC] Air Mix Damper Abnormality
Failure code [879GKX] Refrigerant Abnormality
Troubleshooting for power supply system (Air conditioner does not operate)
Troubleshooting for compressor system (Air is not cooled)1 topic
  • abnormal)
Troubleshooting for FRESH/RECIRC air changeover
Troubleshooting with gauge pressure
Connection of service tool
Precautions for disconnecting and connecting air conditioner piping
Handling of compressor oil
Diagrams and drawings
Hydraulic circuit diagram
Symbols in hydraulic circuit diagram
Power train hydraulic circuit diagram
Electric circuit diagram
Symbols in electric circuit diagram
Electric circuit diagram for air conditioner unit

Inside this manual

Real pages from this service manual (1,906 pages). Open the sample pages (PDF, 839 KB)

Sample pages from the Komatsu D65EX-17, D65PX-17, D65WX-17 Bulldozer Service Manual: Specifications, Troubleshooting, Diagram, Foldout diagram
  • Specifications, page 79: 01 Specification
  • Troubleshooting, page 1,007: Failure code [CA3322] KDPF Outlet Temp Sens In Range Error
  • Diagram, page 1,123: Procedure, measuring location, criteria and remarks
  • Foldout diagram, page 1,885: D65EX, PX, WX-17

Other manuals for this machine

Save 10% on 2 manuals, 15% on 3 or more. Other manuals for the D65EX-17, D65PX-17, D65WX-17 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 SEN05536-06$199.59
Other manuals for the D65EX-17, D65PX-17, D65WX-17

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, 1,906 pages

Quantity one is the manual described above.

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60-day returns

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Binder not included

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