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

The Komatsu Galeo D65EX-15E0 D65PX-15E0 D65WX-15E0 Bulldozer is a powerful and versatile machine designed for a wide range of earthmoving applications. With its advanced hydraulic system, durable construction, and spacious cab, the Galeo D65E-15E0 delivers exceptional performance and operator comfort.

### Technical Highlights

**Engine:** The Galeo D65E-15E0 is powered by a Komatsu SAA6D125E-5 turbocharged diesel engine that delivers 178kW (242hp) of power at 2000rpm. This highly efficient engine meets the latest emission regulations and provides ample torque for demanding tasks.

**Hydraulic System:** The hydraulic system features Komatsu's advanced Closed Center Load Sensing (CLSS) technology, which optimizes pressure and flow for precise blade control and responsive implement operation. The large capacity hydraulic tank ensures stable performance, even under heavy loads.

**Undercarriage:** The D65E-15E0 bulldozer boasts a robust undercarriage with a heavy-duty track frame and durable track rollers. The track guards provide excellent protection for the undercarriage components, while the large ground clearance allows for smooth operation over rough terrain.

**Blade:** The machine is equipped with a semi-U blade that combines the versatility of a straight blade with the digging capabilities of a U-blade. The blade features a curved moldboard for improved material handling and efficient earthmoving.

**Cab:** The spacious cab offers maximum visibility and operator comfort. The ergonomic design, adjustable seat, and large windows provide an optimal working environment. The cab is also equipped with air conditioning and a user-friendly control panel for easy operation.

### Applications

The Komatsu Galeo D65EX-15E0 D65PX-15E0 D65WX-15E0 Bulldozer is ideally suited for a variety of earthmoving tasks, including:

* Land clearing and site preparation
* Road construction and maintenance
* Trenching and excavation
* Material handling and stockpiling
* Snow removal and ice control

### Benefits

* Powerful and efficient engine for demanding applications
* Advanced hydraulic system for precise blade control and implement operation
* Durable undercarriage with heavy-duty components for extended service life
* Versatile semi-U blade for efficient earthmoving
* Spacious and comfortable cab for enhanced operator productivity

Komatsu Galeo D65EX-15E0, D65PX-15E0, D65WX-15E0 Bulldozer Workshop Repair Service Manual

This is a COMPLETE Service and Repair Manual for your Komatsu Galeo D65EX-15E0, D65PX-15E0, D65WX-15E0 Bulldozer. It covers every single detail.

This QUALITY manual is 100 percents COMPLETE and INTACT, no MISSING/CORRUPT pages/sections to freak you out! Detailed illustrations, exploded diagrams, drawings and photos guide you through every service repair procedure. This manual can be viewed on any computer, as well as zoomed and printed. All repair procedures are covered A-Z. This manual for Komatsu Galeo D65EX-15E0, D65PX-15E0, D65WX-15E0 Bulldozer makes any repair job easy to do with very easy to follow step-by-step instructions & pictures on all areas of repair.

Fixing problems in your vehicle is a do-it-approach with the this Repair Manual for Komatsu Galeo D65EX-15E0, D65PX-15E0, D65WX-15E0 Bulldozer as they contain comprehensive instructions and procedures on how to fix the problems in your ride. Repair Manuals can come in handy especially when you have to do immediate repair. The durability of your vehicle/bike is unquestionable but you also know that no matter how tough they are, constant use can cause them to deteriorate. When this happens, and ultimately it will, you will have to replace them. Some car/bike parts are very simple to mount and do not require professional help. By having a trusty repair manual you not only save money but you also get to experience the fun of do-it-yourself projects. A repair manual comes with comprehensive details regarding technical data, diagrams, a complete list of car parts and pictures. Even the most novice can easily follow the step-by-step guides which are made simple by the illustrations and drawings. You can find a complete list of accessories that can further enhance the performance of your engine. This Repair Manual for Komatsu Galeo D65EX-15E0, D65PX-15E0, D65WX-15E0 Bulldozer can save you a lot of time. These packages are complete with all the information needs. You will surely enjoy browsing through the pages and learning how to repair the different parts. It makes you up-to-date and more knowledge. Now, you dont have to rely on your mechanic for the simplest repair. You can do it at the comfort of your garage. All pages are printable, so print off what you need and take it with you into the garage or workshop. This manual will never get dirty and rip as you can keep it safely on your PC and print the pages you need in matter of seconds.

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Format: PDF
System: All Versions of Windows, Mac, iOS, BB, Android, etc..Requirements: PDF Reader.Printable: Yes

Komatsu Galeo D65EX-15E0, D65PX-15E0, D65WX-15E0 Bulldozer
===========
SERVICE REPAIR MANUAL COVERS:
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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And A LOT MORE..---------------------------------
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