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Komatsu Galeo D65EX-15E0 D65PX-15E0 D65WX-15E0 Bulldozer



Unleash Unstoppable Earthmoving Prowess



Prepare to witness the epitome of earthmoving excellence with the Komatsu Galeo D65EX-15E0 D65PX-15E0 D65WX-15E0 Bulldozer. This formidable machine is engineered to conquer the toughest terrain and deliver unmatched productivity, making it the ideal choice for a wide range of heavy-duty applications.

Unleashing Raw Power



At the heart of the Komatsu Galeo D65EX-15E0 D65PX-15E0 D65WX-15E0 Bulldozer lies a powerful engine that generates an awe-inspiring amount of torque and horsepower. This potent powerplant ensures maximum performance even under the most demanding conditions, enabling the bulldozer to handle the most challenging tasks with ease.

Precision Control and Efficiency



The Komatsu Galeo D65EX-15E0 D65PX-15E0 D65WX-15E0 Bulldozer is equipped with a sophisticated hydraulic system that provides exceptional control and efficiency. This cutting-edge system allows operators to maneuver the bulldozer with unmatched precision, maximizing productivity and minimizing fatigue.

Enhanced Comfort and Convenience



Recognizing the importance of operator comfort and convenience, the Komatsu Galeo D65EX-15E0 D65PX-15E0 D65WX-15E0 Bulldozer features a spacious and ergonomically designed cab. This advanced cab offers a comfortable and intuitive working environment, reducing operator fatigue and enhancing overall productivity.

Unwavering Reliability and Durability



Komatsu's unwavering commitment to quality is evident in every aspect of the Galeo D65EX-15E0 D65PX-15E0 D65WX-15E0 Bulldozer. This robust machine is meticulously crafted from high-quality materials and components, ensuring exceptional durability and longevity. Its robust construction guarantees reliable operation even in the most demanding environments.

Versatile Performance for Diverse Applications



The Komatsu Galeo D65EX-15E0 D65PX-15E0 D65WX-15E0 Bulldozer possesses remarkable versatility, making it suitable for a wide range of applications. This versatile machine excels in excavation, grading, land clearing, and other heavy-duty tasks, delivering exceptional performance in every scenario.

Technological Advancements for Enhanced Productivity



The Komatsu Galeo D65EX-15E0 D65PX-15E0 D65WX-15E0 Bulldozer incorporates state-of-the-art technology to enhance productivity and efficiency. These advanced features include advanced monitoring systems, automated functions, and user-friendly controls, enabling operators to maximize performance and minimize downtime.

Unparalleled Service and Support



Purchasing a Komatsu Galeo D65EX-15E0 D65PX-15E0 D65WX-15E0 Bulldozer comes with the assurance of exceptional service and support. Komatsu's extensive dealer network provides prompt and reliable maintenance, repairs, and technical assistance, ensuring that your machine remains in peak operating condition throughout its service life.

Conclusion



The Komatsu Galeo D65EX-15E0 D65PX-15E0 D65WX-15E0 Bulldozer is an engineering marvel designed to revolutionize earthmoving operations. Its unparalleled power, precision, durability, versatility, and technological advancements make it the ultimate choice for contractors who demand the best. Experience the pinnacle of earthmoving performance with the Komatsu Galeo D65EX-15E0 D65PX-15E0 D65WX-15E0 Bulldozer – an unstoppable force that will transform your projects into triumphs.

This manual can be used by anyone from a first time owner/amateur to a professional technician.Easy to read type,And give you all the information needed to do the procedure correctly.Keep this service manual handy and use it often. Performing routine,preventive maintenance will save you time & money by helping to prevent premature failure and unnecessary repairs.

****************
Models and Serial Numbers Covered:
D65EX-15 - 69001 and up
D65PX-15 - 69001 and up
D65WX-15 - 69001 and up

***************
Manual Contents:

Table of contents
1
00 Index and foreword
Index
SEN00055-02
Organization list of the shop manual .................2
Table of contents.......................4
Foreword and general information
SEN00056-01
Foreword and general information ...................2
Safety notice ........................2
How to read the shop manual..................6
Explanation of terms for maintenance standard ...............8
Handling electric equipment and hydraulic component .............. 10
How to read electric wire code................. 18
Method of disassembling and connecting push-pull type coupler ........ 21
Standard tightening torque table................... 24
Conversion table....................... 28
01 Specification
Specification and technical data
SEN00057-01
Specification and technical data ..................2
Specification dimensions ....................2
Specifications.......................3
Weight table .........................8
Table of fuel, coolant and lubricants .................. 10
10 Structure, function and maintenance standard
Engine and cooling system
SEN00281-01
Engine and cooling system ....................2
Cooling system ....................2
Cooling fan pump......................4
Cooling fan motor ..................... 12
Power train, Part 1
SEN00282-01
Power train, Part 1........................2
Power train......................2
HSS system .........................4
General view of power train unit ...................6
Power train hydraulic piping drawing .................8
Transmission, steering and brake control ............... 10
Damper and universal joint ................. 12
Torque converter and PTO.................. 15
Transmission........................ 20
Transmission clutch ECMV................. 32
Main relief valve and torque converter relief valve ........... 38
Lubrication relief valve ................... 40
Power train, Part 2
SEN00283-01
Power train, Part 2........................2
Bevel gear shaft, HSS and brake .................2
Brake valve ..................... 18
Final drive ....................... 24
4
D65EX, PX, WX-15E000 Index and foreword
SEN00055-02
Undercarriage and frame
SEN00284-01
Undercarriage and frame ..................2
Main frame......................2
Suspension.....................4
Track frame and idler cushion ................. 10
Idler....................... 14
Track roller...................... 16
Carrier roller......................... 17
Sprocket.......................... 18
Track shoe ...................... 20
Hydraulic system, Part 1
SEN00285-01
Hydraulic system, Part 1 ...................2
Work equipment hydraulic piping diagram .............2
Work equipment control......................4
Hydraulic tank and filter ......................6
Scavenging pump.....................8
Power train and steering lubrication pump .............9
HSS pump ...................... 10
HSS motor ...................... 28
Hydraulic system, Part 2
SEN00286-01
Hydraulic system, Part 2 ...................2
Control valve........................2
Self pressure reducing valve ................... 36
Hydraulic system, Part 3
SEN00287-01
Hydraulic system, Part 3 ...................2
PPC valve (blade lift, blade tilt)................2
PPC valve (ripper) ....................8
Electric lever (steering).................. 12
Quick drop valve....................... 16
PPC lock valve .................... 18
Accumulator......................... 19
Work equipment
SEN00288-00
Work equipment ......................2
Blade .........................2
Cutting edge and end bit ....................6
Ripper ........................7
Hydraulic cylinder .....................8
Piston valve ......................... 11
Cab and its attachments
SEN00289-00
Cab and its attachments....................2
Cab mount ......................2
Cab .......................3
Air conditioner......................5
Electrical system
SEN00290-01
Electrical system .....................2
Monitor system ....................2
Monitor panel.......................4
Engine control......................9
Engine control system ................... 10
Cooling system control system................ 12
System components ...................... 14
Palm command control system .................... 23
KOMTRAX terminal system..................... 25
KOMTRAX terminal ....................... 26
Sensor ....................... 27
D65EX, PX, WX-15E0
5SEN00055-02
00 Index and foreword
20 Standard value table
Standard service value table
SEN00584-00
Standard service value table for engine..................2
Standard service value table for chassis ................4
30 Testing and adjusting
Testing and adjusting, Part 1
SEN00585-00
Testing and adjusting, Part 1 ..................3
Tools for testing, adjusting, and troubleshooting...............3
Measuring engine speed ....................5
Measuring intake air pressure (boost pressure) ...............7
Measuring exhaust temperature ...................9
Measuring exhaust gas color................... 11
Adjusting valve clearance ................... 12
Measuring compression pressure................. 15
Measuring blow-by pressure.................... 19
Measuring engine oil pressure................. 20
Handling of fuel system devices ................... 21
Releasing residual pressure from fuel system............. 21
Testing fuel pressure...................... 22
Testing fuel return and leak amount................... 26
Bleeding air from fuel circuit .................... 28
Testing fuel circuit for leakage ................. 29
Handling of reduced cylinder mode operation ............. 30
Testing and adjusting air conditioner compressor belt tension ........ 31
Adjusting fuel control dial and decelerator pedal .............. 32
Measuring power train oil pressure............... 34
Adjusting transmission speed sensor (replacement procedure)........... 38
Simple method to test brake performance.............. 39
Adjusting brake pedal .................... 40
Adjusting parking brake lever .................. 42
Emergency escape method when power train has trouble......... 43
Adjusting clearance of idler................. 46
Inspecting wear of sprocket ..................... 47
Testing and adjusting track shoe tension................ 47
Testing and adjusting work equipment and HSS oil pressure.......... 48
Testing control circuit basic pressure................. 51
Measuring PPC valve output pressure .............. 52
Adjusting play of work equipment PPC valve .............. 54
Measuring internal leakage of work equipment cylinder............. 55
Bleeding air from work equipment cylinder............. 55
Releasing residual pressure in work equipment cylinder............ 56
Checking parts which caused hydraulic drift of blade or ripper........ 57
Adjusting work equipment lock lever ................. 58
Measuring fan motor speed ..................... 59
Measuring fan pump circuit pressure................. 60
Bleeding air from fan pump................. 61
Adjusting straight tiltdozer................... 62
Testing and adjusting operator cab............... 64
Testing and adjusting, Part 2
SEN00586-00
Testing and adjusting, Part 2 ..................2
Special functions of monitor panel (EMMS).................2
Testing and adjusting, Part 3
SEN00587-00
Testing and adjusting, Part 3 ..................2
Handling of voltage circuit of engine controller ............2
Adjustment method when controller has been replaced.............2
Preparation work for troubleshooting for electric system............4
6
D65EX, PX, WX-15E000 Index and foreword
SEN00055-02
Inspection procedure of diode .................9
Pm-Clinic service...................... 10
How to start operation of KOMTRAX terminal ............. 20
Lamp display of KOMTRAX terminal................. 24
40 Troubleshooting
General information on troubleshooting
SEN00588-00
Points to remember when troubleshooting .............2
How to proceed troubleshooting...................3
Checks before troubleshooting................4
Classification and procedures of troubleshooting.............5
How to distinguish wire code ...................8
Wiring table for connector pin numbers .................. 12
T-adapter box and T-adapter table ............... 35
Troubleshooting by failure code (Display of code), Part 1
SEN00589-00
Troubleshooting by failure code (Display of code), Part 1..............3
Failure code table .....................3
Before troubleshooting by failure codes ................. 10
Contents of troubleshooting table ................. 12
Failure code [1500L0] Transmission clutch: Dual engagement............ 14
Failure code [15SAL1] Forward clutch: Fill signal is ON when command current is OFF .. 16
Failure code [15SALH] Forward clutch: Fill signal is OFF when command current is ON . 18
Failure code [15SBL1] Reverse clutch: Fill signal is ON when command current is OFF .. 20
Failure code [15SBLH] Reverse clutch: Fill signal is OFF when command current is ON . 22
Failure code [15SEL1] 1st clutch: Fill signal is ON when command current is OFF ..... 24
Failure code [15SELH] 1st clutch: Fill signal is OFF when command current is ON..... 25
Failure code [15SFL1] 2nd clutch: Fill signal is ON when command current is OFF .... 26
Failure code [15SFLH] 2nd clutch: Fill signal is OFF when command current is ON.... 28
Failure code [15SGL1] 3rd clutch: Fill signal is ON when command current is OFF..... 30
Failure code [15SGLH] 3rd clutch: Fill signal is OFF when command current is ON .... 32
Failure code [AB00MA] Alternator: Malfunction................ 34
Failure code [B@BAZG] Engine oil: Oil pressure too low .......... 34
Failure code [B@BCNS] Radiator coolant: Overheat............ 35
Failure code [B@CENS] Power train oil: Overheat ............... 35
Failure code [B@HANS] Hydraulic oil: Overheat ............. 36
Failure code [CA111] Engine controller: Abnormality in controller........ 37
Failure code [CA115] Abnormal engine Ne and Bkup speed sensors:
Abnormal speed sensor signal........... 37
Failure code [CA122] Charge pressure sensor tool high: Excessively high voltage detected. 38
Failure code [CA123] Charge pressure sensor too low: Excessively low voltage detected .... 40
Failure code [CA131] Decelerator pedal sensor tool high: Excessively high voltage detected 42
Failure code [CA132] Decelerator pedal sensor too low: Excessively low voltage detected... 44
Failure code [CA144] Coolant temperature sensor too high:
Excessively high voltage detected .......... 46
Failure code [CA145] Coolant temperature sensor too low: Excessively low voltage detected 48
Failure code [CA153] Charge temperature sensor too high:
Excessively high voltage detected .......... 50
Failure code [CA154] Charge temperature sensor too low: Excessively low voltage detected 52
Failure code [CA155] Charge temperature too high and engine speed derated:
Exceeded upper control limit of temperature ......... 54
Failure code [CA187] Sensor power source 2 too low: Excessively low voltage detected . 56
Failure code [CA221] Atmospheric pressure sensor too high:
Excessivley high voltage detected .......... 58
Failure code [CA222] Atmospheric pressure sensor too low:
Excessively low voltage detected ........... 60
Failure code [CA227] Sensor power source No. 2 too high:
Excessively high voltage detected .......... 62
D65EX, PX, WX-15E0
7SEN00055-02
00 Index and foreword
Failure code [CA234] Engine over speed: Excessively high speed........... 64
Failure code [CA238] Abnormal power source for Ne speed sensor:
Excessively low voltage detected............ 65
Failure code [CA271] IMV/PCV1 short circuit: Short circuit............. 66
Failure code [CA272] IMV/PCV1 disconnection: Disconnection........... 68
Failure code [CA281] Abnormal supply pump pressure balance:
Abnormal pressure feed of fuel ............... 70
Troubleshooting by failure code (Display of code), Part 2
SEN00590-00
Troubleshooting by failure code (Display of code), Part 2..............4
Failure code [CA322] Injector No. 1 system disconnection or short circuit:
disconnection, short circuit............4
Failure code [CA323] Injector No. 5 system disconnection or short circuit:
disconnection, short circuit............6
Failure code [CA324] Injector No. 3 system disconnection or short circuit:
disconnection, short circuit............8
Failure code [CA325] Injector No. 6 system disconnection or short circuit:
disconnection, short circuit............ 10
Failure code [CA331] Injector No. 2 system disconnection or short circuit:
disconnection, short circuit............ 12
Failure code [CA332] Injector No. 4 system disconnection or short circuit:
disconnection, short circuit ................. 14
Failure code [CA342] Engine controller data matching error: matching error...... 16
Failure code [CA352] Sensor power source 1 too low: Excessively low voltage detected . 18
Failure code [CA386] Sensor power source 1 too high: Excessively high voltage detected ... 20
Failure code [CA428] Water detection sensor too high: Excessively high voltage detected ... 22
Failure code [CA429] Water detection sensor too low: Excessively low voltage detected . 24
Failure code [CA435] Abnormal engine oil pressure switch: Abnormal signal circuit .... 26
Failure code [CA441] Power source voltage too low: Excessively low voltage detected.... 28
Failure code [CA442] Power source voltage too high: Excessively high voltage has
occurred in the controller power source circuit....... 30
Failure code [CA449] Common rail pressure too high (2): Excessively
high pressure trouble occurred ............... 32
Failure code [CA451] Common rail pressure sensor too high: Excessively
high voltage detected ............... 36
Failure code [CA452] Common rail pressure sensor too low: Excessively
low voltage detected ................ 38
Failure code [CA488] Charge temperature too high and torque derated:
Exceeded upper control limit of temperature ......... 40
Failure code [CA553] Common rail pressure too high (1): Excessively
high pressure detected............. 41
Failure code [CA559] Loss of pressure feed from supply pump (1): Loss of
pressure feed detected ................. 42
Failure code [CA689] Abnormal engine Ne speed sensor: Abnormal signal....... 44
Failure code[CA731] Abnormal engine Bkup speed sensor phase: Abnormal phase ... 46
Failure code [CA757] Loss of all engine controller data: Loss of all data ....... 48
Failure code [CA778] Abnormal engine Bkup speed sensor: Abnormal Bkup signal .... 50
Failure code [CA1633] Abnormal KOMNET: Abnormal communication ......... 52
Failure code [CA2185] Decelerator pedal sensor power source too high:
Excessively high voltage detected .......... 54
Failure code [CA2186] Decelerator pedal sensor power source too low:
Excessively low voltage detected............ 55
Failure code [CA2249] Loss of pressure feed from supply pump (2):
Loss of pressure feed detected............... 56
Failure code [CA2265] Electric lift pump disconnection: Disconnection ......... 58
Failure code [CA2266] Electric lift pump short circuit: Short circuit ........... 60
Failure code [CA2311] Abnormal IMV solenoid: Abnormal resistance ...... 62
Failure code [CA2555] Air intake heater relay disconnection: Disconnection ..... 64
Failure code [CA2556] Air intake heater relay short circuit: Short circuit........ 66
8
D65EX, PX, WX-15E000 Index and foreword
SEN00055-02
Troubleshooting by failure code (Display of code), Part 3
SEN00591-00
Troubleshooting by failure code (Display of code), Part 3..............4
Failure code [D110KA] Battery relay: Short circuit ...........4
Failure code [D110KB] Battery relay: Disconnection .............6
Failure code [D130KA] Neutral safety relay: Disconnection............8
Failure code [D130KB] Neutral safety relay: Short circuit .......... 10
Failure code [D161KA] Back-up alarm relay: Disconnection........... 12
Failure code [D161KB] Back-up alarm relay: Short circuit ......... 14
Failure code [DAFRKR] Monitor panel CAN communication: Defective communication ... 16
Failure code [DAQ0KT] [DB30KT] Steering and transmission controller:
Abnormality in controller ............... 18
Failure code [DAQ1KK] [DB31KK] Main power source of steering and
transmission controller: Power source voltage drop and input ....... 20
Failure code [DAQ2KK] [DB32KK] Load power source of steering and
transmission controller: Power source voltage drop and input ....... 22
Failure code [DAQ5KK] [DB35KK] Steering and transmission controller sensor 5 V
power source: Power source voltage drop and input....... 24
Failure code [DAQ6KK] [DB36KK] Steering and transmission controller sensor 24 V
power source: Power source voltage drop and input....... 26
Failure code [DAQ9KQ] [DB39KQ] Steering and transmission controller model selection:
Inconsistency in model select signal............ 28
Failure code [DB2RKR] Steering and transmission controller CAN communication:
Defective communication.............. 30
Failure code [DB30KT] [DAQ0KT] Steering and transmission controller:
Abnormality in controller ............... 32
Failure code [DB31KK] [DAQ1KK] Main power source of steering and
transmission controller: Power source voltage drop and input ....... 32
Failure code [DAB32KK] [DAQ2KK] Load power source of steering and
transmission controller: Power source voltage drop and input ....... 32
Failure code [DB35KK] [DAQ5KK] Steering and transmission controller sensor 5 V
power source: Power source voltage drop and input....... 32
Failure code [DB36KK] [DAQ6KK] Steering and transmission controller sensor 24 V
power source: Power source voltage drop and input....... 32
Failure code [DB39KQ] [DAQ9KQ] Steering and transmission controller model selection:
Inconsistency in model select signal............ 32
Failure code [DD12KA] Shift up switch: Disconnection .............. 34
Failure code [DD12KB] Shift up switch: Short circuit............. 36
Failure code [DD13KA] Shift down switch: Disconnection ......... 38
Failure code [DD13KB] Shift down switch: Short circuit ............. 40
Failure code [DD14KA] [DDQ2KA] Parking brake lever switch: Disconnection ....... 42
Failure code [DD14KB] [DDQ2KB] Parking brake lever switch: Short circuit ...... 44
Failure code [DDN7KA] Pitch control switch: Disconnection........... 46
Failure code [DDN7KB] Pitch control switch: Short circuit ......... 48
Failure code [DDQ2KA] [DD14KA] Parking brake lever switch: Disconnection ....... 50
Failure code [DDQ2KB] [DD14KB] Parking brake lever switch: Short circuit ...... 50
Failure code [DGS1KX] Hydraulic oil temperature sensor: Input signal is out of normal range 52
Failure code [DGT1KA] Power train oil temperature sensor: Disconnection ....... 54
Failure code [DGT1KX] Power train oil temperature sensor: Input signal is out of
normal range.................. 55
Failure code [DK10KA] Fuel dial: Disconnection.............. 56
Failure code [DK10KB] Fuel dial: Short circuit ............ 58
Failure code [DK30KA] Steering potentiometer (1): Disconnection........... 60
Failure code [DK30KB] Steering potentiometer (1): Short circuit ......... 62
Failure code [DK30KX] Steering potentiometer: Input signal is out of normal range..... 64
Failure code [DK30KZ] Steering potentiometer: |
Disconnection or short circuit (Double failure) ....... 65
Failure code [DK30L8] Steering potentiometer: Inconsistent analog signal ........ 65
Failure code [DK31KA] Steering potentiometer (2): Disconnection........... 66
D65EX, PX, WX-15E0
9SEN00055-02
00 Index and foreword
Failure code [DK31KB] Steering potentiometer (2): Short circuit.......... 68
Failure code [DK40KA] Brake potentiometer: Disconnection .......... 70
Failure code [DK40KB] Brake potentiometer: Short circuit......... 71
Failure code [DK55KX] Forward-reverse potentiometer: Input signal is out of normal range.. 72
Failure code [DK55KZ] Forward-reverse potentiometer:
Disconnection or short circuit (Double failure) ....... 73
Failure code [DK55L8] Forward-reverse potentiometer: Inconsistent analog signal ..... 74
Failure code [DK56KA] Forward-reverse potentiometer (1): Short circuit ...... 76
Failure code [DK56KB] Forward-reverse potentiometer (1): Disconnection........ 78
Failure code [DK57KA] Forward-reverse potentiometer (2): Disconnection........ 80
Failure code [DK57KB] Forward-reverse potentiometer (2): Short circuit ...... 82
Troubleshooting by failure code (Display of code), Part 4
SEN00592-00
Troubleshooting by failure code (Display of code), Part 4..............3
Failure code [DKH1KA] [DKH1KX] Pitch angle sensor: Short circuit.........3
Failure code [DKH1KX], [DKH1KA] or [DKH1KB] Pitch angle sensor:
Input signal out of range................5
Failure code [DLT3KA] Transmission output speed sensor: Disconnection ........6
Failure code [DLT3KB] Transmission output speed sensor: Short circuit.......7
Failure code [DV00KB] Alarm buzzer: Short circuit ...............8
Failure code [DW5AKA] Pitch control solenoid: Disconnection ............9
Failure code [DW5AKB] Pitch control solenoid: Short circuit........... 10
Failure code [DW5AKY] Pitch control solenoid: Short circuit to power source line ....... 11
Failure code [DW7BKA] Fan reverse solenoid: Disconnection........ 12
Failure code [DW7BKB] Fan reverse solenoid: Short circuit ........... 13
Failure code [DWN1KA] HSS EPC solenoid right: Disconnection........ 14
Failure code [DWN1KB] HSS EPC solenoid right: Short circuit ........... 15
Failure code [DWN1KY] HSS EPC solenoid right: Short circuit to power source line ... 16
Failure code [DWN2KA] HSS EPC solenoid left: Disconnection .......... 17
Failure code [DWN2KB] HSS EPC solenoid left: Short circuit......... 18
Failure code [DWN2KY] HSS EPC solenoid left: Short circuit to power source line ..... 19
Failure code [DWN5KA] Fan pump TVC solenoid: Disconnection ....... 20
Failure code [DWN5KB] Fan pump TVC solenoid: Short circuit........... 21
Failure code [DWN5KY] Fan pump TVC solenoid: Short circuit in power source line... 22
Failure code [DXA0KA] HSS pump TVC solenoid: Disconnection ....... 23
Failure code [DXA0KB] HSS pump TVC solenoid: Short circuit........... 24
Failure code [DXA0KY] HSS pump TVC solenoid: Short circuit to power source line... 25
Failure code [DXH4KA] 1st clutch ECMV: Disconnection........... 26
Failure code [DXH4KB] 1st clutch ECMV: Short circuit .............. 27
Failure code [DXH4KY] 1st clutch ECMV: Short circuit to power source line ...... 28
Failure code [DXH5KA] 2nd clutch ECMV: Disconnection ......... 29
Failure code [DXH5KB] 2nd clutch ECMV: Short circuit ............. 30
Failure code [DXH5KY] 2nd clutch ECMV: Short circuit to power source line..... 31
Failure code [DXH6KA] 3rd clutch ECMV: Disconnection .......... 32
Failure code [DXH6KB] 3rd clutch ECMV: Short circuit.............. 33
Failure code [DXH6KY] 3rd clutch ECMV: Short circuit to power source line...... 34
Failure code [DXH7KA] Reverse clutch ECMV: Disconnection ............ 35
Failure code [DXH7KB] Reverse clutch ECMV: Short circuit........... 36
Failure code [DXH7KY] reverse clutch ECMV: Short circuit to power source line.... 37
Failure code [DXH8KA] Forward clutch ECMV: Disconnection ............ 38
Failure code [DXH8KB] Forward clutch ECMV: Short circuit........... 39
Failure code [DXH8KY] forward clutch ECMV: Short circuit to power source line.... 40
Troubleshooting of electrical system (E-mode)
SEN00593-00
Troubleshooting of electrical system (E-mode) ...............3
Contents of troubleshooting table .................5
Contents of troubleshooting table .................5
E-1 The engine does not start (the starting motor does not turn) .........6
E-2 The preheater does not operate.................. 10
10
D65EX, PX, WX-15E000 Index and foreword
SEN00055-02
E-3 The monitor panel does not light up at all when the starting switch is turned ON... 14
E-4 When the starting switch is turned on, the monitor panel completely remains lighted
and does not go out. ................ 15
E-5 While the engine is running, the battery charge level caution lamp flashes. ..... 16
E-6 While the engine is running, the emergency warning item flashes. ......... 18
E-7 While the preheater is operating, the preheating pilot lamp does not light up. ....... 22
E-8 The coolant temperature gauge does not indicate correctly. ......... 24
E-9 The power train oil temperature gauge does not indicate correctly.......... 26
E-10 Hydraulic oil temperature gauge does not indicate properly. ....... 28
E-11 Fuel gauge does not indicate properly. ............... 30
E-12 Gear speed and engine speed are not indicated properly. .......... 31
E-13 The preset mode service meter does not indicate normally......... 31
E-14 The warning lamp does not flash or does not go out. ............. 31
E-15 The alarm buzzer does not sound or does not stop........... 32
E-16 Auto shift down is not possible or is not released. ............. 34
E-17 The buzzer cancel switch does not work. ................ 36
E-18 The information switch does not work................. 38
E-19 The fan cleaning does not operate or cannot be reset. .......... 40
E-20 The preset mode does not operate or cannot be reset........... 42
E-21 The monitor panel cannot be set in the service mode or cannot be set out of
the service mode................. 44
E-22 The back-up alarm does not sound. .............. 46
E-23 The head lamp and rear lamp do not light up. .............. 48
E-24 The horn does not sound or does not stop. ............. 51
E-25 Malfunction of wipers ................. 52
E-26 Washer does not spray water ................... 68
E-27 The air conditioner does not operate ............. 74
E-28 KOMTRAX system does not operate normally.............. 78
Troubleshooting of hydraulic and mechanical system (H-mode)
SEN00594-00
Troubleshooting of hydraulic and mechanical system (H-mode) ........3
Contents of troubleshooting table .................3
H-1 There is no travel power (no drawbar pull). ...............4
H-2 Machine does not move (at 2nd or 3rd speed) ...............5
H-3 Machine does not move at any gear speed...............6
H-4 Machine travels only in one direction, forward or in reverse..........7
H-5 When gear is shifted or travel direction is changed, large time lag is made ......8
H-6 Machine cannot be steered (Machine does not turn leftward or rightward) .......9
H-7 Steering speed or power is low...................9
H- 8 Brake does not work ................... 10
H-9 Overheat of power train oil................ 11
H-10 Abnormal sound comes out from around HSS and work equipment pump or
HSS motor ................ 12
H-11 All work equipment speeds are slow.............. 12
H-12 Work equipment does not move ............... 13
H-13 Blade lift speed is slow or lacks power ............... 13
H-14 Blade tilt speed is slow or lacks power ............... 14
H-15 Ripper lift speed is slow or lacks power .............. 14
H-16 Excessive hydraulic drift of blade lift .............. 15
H-17 Excessive hydraulic drift of blade tilt .............. 15
H-18 Excessive hydraulic drift of ripper lift.............. 16
Troubleshooting of engine (S-mode)
SEN00595-00
Troubleshooting of engine (S-mode)................3
Method of using troubleshooting charts..................3
S-1 Starting performance is poor. .................6
S-2 Engine does not start ...................7
S-3 Engine does not pick up smoothly .............. 10
S-4 Engine stops during operations .................. 11
D65EX, PX, WX-15E0
11SEN00055-02
00 Index and foreword
S-5 Engine does not rotate smoothly.................S-6 Engine lacks output (or lacks power) ...............S-7 Exhaust smoke is black (imcomplete combustion) ..............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 is in coolant (or coolant spurts back, or coolant level goes down) .........S-12 Oil pressure drops......................S-13 Oil level rises (water, fuel in oil).................S-14 Coolant temperature becomes too high (overheating)............S-15 Abnormal noise is made..................S-16 Vibration is excessive.................12
13
14
15
16
17
18
19
20
21
22
23
50 Disassembly and assembly
General information on disassembly and assembly
SEN00944-00
How to read this manual .....................2
Coating materials list .....................4
Special tool list .....................7
Sketches of special tools .................... 12
Engine and cooling system, Part 1
SEN00945-00
Removal and installation of fuel supply pump assembly ............2
Removal and installation of cylinder head assembly .............6
Removal and installation of fuel injector assembly ........... 18
Removal and installation of engine front seal .............. 20
Removal and installation of engine rear seal............... 23
Engine and cooling system, Part 2
SEN00946-00
Removal and installation of engine assembly..............2
Removal and installation of radiator assembly ............9
Removal and installation of air aftercooler assembly ............ 13
Removal and installation of fan drive assembly................ 14
Removal and installation of fan motor assembly .............. 15
Removal and installation of fuel tank assembly ................ 16
Removal and installation of damper assembly ............ 18
Removal and installation of engine hood assembly............... 19
Power train, Part 1
SEN00947-00
Removal and installation of power train unit assembly ..........2
Disconnection and connection of power train unit assembly ...........5
Disassembly and assembly of PTO assembly.............9
Disassembly and assembly of torque converter assembly......... 15
Disassembly and assembly of TORQFLOW transmission assembly ........ 20
Power train, Part 2
SEN00948-00
Disassembly and assembly of HSS assembly.............2
Removal and installation of final drive assembly .............. 20
Disassembly and assembly of final drive assembly............... 22
Undercarriage and frame, Part 1
SEN00949-00
Removal and installation of track frame assembly ...........2
Removal and installation of idler assembly.............4
Disassembly and assembly of idler assembly .............5
Removal and installation of recoil spring assembly ...............9
Disassembly and assembly of recoil spring assembly........... 10
Removal and installation of track roller assembly............. 14
Disassembly and assembly of track roller assembly ............. 15
Removal and installation of carrier roller assembly ............... 19
Disassembly and assembly of carrier roller assembly........... 20
12
D65EX, PX, WX-15E000 Index and foreword
SEN00055-02
Undercarrigage and frame, Part 2
SEN00950-00
Expansion and installation of track shoe assembly ...............2
Whole disassembly and whole assembly of track shoe assembly .......5
Field disassembly and assembly of one link ............... 20
Removal and installation of pivot shaft assembly ............. 27
Removal and installation of equalizer bar assembly ............. 28
Disassembly and assembly of equalizer bar side bushing ......... 30
Hydraulic system
SEN00951-00
Removal and installation of control valve assembly ..............2
Disassembly and assembly of control valve assembly..........4
Removal and installation of HSS pump assembly ............5
Removal and installation of power train and lubricating oil pump assembly .......6
Removal and installation of cooling fan pump assembly ............7
Removal and installation of scavenging pump assembly ...........9
Removal and installation of HSS motor assembly............ 10
Disassembly and assembly of hydraulic cylinder assembly ............ 11
Work equipment
SEN00952-00
Removal and installation of blade assembly ...............2
Cab and its attachments
SEN00953-00
Removal and installation of ROPS guard ...............2
Removal and installation of operators cab assembly ...........3
Removal and installation of operators cab glass (Stuck glass)............9
Removal and installation of floor frame assembly ............ 17
Electrical system
SEN00954-00
Removal and installation of engine controller ..............2
Removal and installation of steering and transmission controller assembly........4
Removal and installation of KOMTRAX terminal ..............5
90 Diagrams and drawings
Hydraulic diagrams and drawings
SEN00058-00
Hydraulic diagrams and drawings ....................2
Power train hydraulic circuit diagram.................2
Hydraulic circuit diagram ....................3
Electrical diagrams and drawings
SEN00059-01
Electrical diagrams and drawings ....................3
Electrical circuit diagram.....................3
Connector arrangement diagram..................5

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