WE051Z0002
• This shop manual may contain attachments and optional equipment that are not available in your area.
Please consult your local Komatsu distributor for those items you may require.
Materials and specifications are subject to change without notice.
• D61-15 mount the SA6D114E-2 engine.
MACHINE MODEL SERIAL NUMBER
D61EX-15
D61PX-15
B40001 and up
B40001 and up
WE051Y0102
Bulldozer
D61EX-15
D61PX-15
Machine Model 1 Serial Number 1
D61EX-15 B40001 and up
D61PX-15 B40001 and up
General 1
Table of general contents .............................................................................................. 2
General
2 WE051Y0102
Table of general contents 1
Each shop manual is composed as shown below.
Since this table of general contents is issued each time
an item is added or revised, keep the shop manual up
to date accordingly to it.
The brochures added or revised this time are indicated
with the symbols shown in the table at right. Add or
revise the shop manual accordingly to this table.
Symbol Indication Remedy
Q Section to be newly added Add
q Section to be replaced Replace
Form No. Section Title
WE051Z0002 The whole shop manual composition
(all the following contents are included)
WE051Y0002 General
q WE051Y0102 General Table of general contents
WE051Y0200 General Safety, foreword
WE051A0000 General
WE051A0100 General Specification dimension drawing
Specifications
Weight table
Oil and coolant table
WE051B0000
Structure and function,
Maintenance standard
WE051B0100
Structure and function,
Maintenance standard
Engine and cooling related components
Cooling system
Power transmitting
Power train
Power train skeleton
Overall drawing of power train unit
Hydraulic piping diagram of power train
Damper and universal joint
Transmission, steering, and brake control
WE051B0200
Structure and function,
Maintenance standard
Power transmitting system
Torque converter and PTO
Transmission
Transmission ECMV
Main relief valve
Lubrication oil relief valve
WE051B0300
Structure and function,
Maintenance standard
Power transmitting system
Scavenging pump
Power train and lubrication pump
HSS system
WE051B0400
Structure and function,
Maintenance standard
Power transmitting system
HSS pump
HSS motor
WE051B0500
Structure and function,
Maintenance standard
Power transmitting system
Bevel gear shaft, HSS, and brake
Brake valve
Final drive
General
WE051Y0102 3
WE051B0600
Structure and function,
Maintenance standard
Undercarriage and frame
Frame assembly
Suspension
Track frame and recoil spring
Idler
Track roller
Carrier roller
Sprocket
Track shoe
WE051B0700
Structure and function,
Maintenance standard
Hydraulic system
Layout of hydraulic devices for work equipment
Work equipment control
Hydraulic tank and filter
Solenoid valve
Accumulator
Hydraulic cylinder
Piston valve
Quick drop valve
WE051B0800
Structure and function,
Maintenance standard
Hydraulic system
Cooling fan pump
Cooling fan motor
PPC valve
Electric lever (Steering)
WE051B0900
Structure and function,
Maintenance standard
Hydraulic system
Control valve
CLSS
Self-pressure reducing valve
WE051B1000
Structure and function,
Maintenance standard
Work equipment
Work equipment
Cutting edge and end bit
Ripper
Cab and its attachments
Cab mount
Cab
Air conditioner piping
WE051B1100
Structure and function,
Maintenance standard
Electric system
Engine control system
Cooling system control system
Palm command control system
PPC lock system
Component parts of system
Monitor system
Monitor panel
Sensor
WE051C0000 Standard value table
WE051C0100 Standard value table Standard value table for engine
Standard value table for chassis
Form No. Section Title
General
4 WE051Y0102
WE051D0000 Testing and adjusting
WE051D0100 Testing and adjusting Testing and adjusting (1/2)
Tools for testing, adjusting and troubleshooting
Measuring engine speed
Measuring intake air pressure (boost pressure)
Measuring exhaust color
Adjusting valve clearance
Measuring compression pressure
Measuring blow-by pressure
Testing and adjusting fuel injection timing
Measuring engine oil pressure
Testing and adjusting air conditioner compressor belt tension
Adjusting engine speed sensor
Adjusting fuel control linkage
Measuring power train oil pressure
Adjusting transmission speed sensor (replacement procedure)
Simple method of testing brake performance
Adjusting brake pedal
Adjusting parking brake lever
Emergency escape method when power train has a trouble
Adjusting idler clearance
Inspecting wear of sprocket
Testing and adjusting track shoe tension
Testing and adjusting work equipment and HSS oil pressure
Testing control circuit main pressure
Measuring PPC valve output pressure
Adjusting play of work equipment PPC valve
Measuring internal leakage of work equipment cylinder
Adjusting safety lock lever of work equipment
Releasing residual pressure in work equipment cylinder
(If PPC accumulator is not installed)
Releasing residual pressure in work equipment cylinder
(If PPC accumulator is installed)
Bleeding air from work equipment cylinder
Measuring fan pump circuit pressure
Measuring fan motor speed
Measuring HSS motor oil leakage
Bleeding air from fan pump
Testing and adjusting operator's cab
WE051D0200 Testing and adjusting Testing and adjusting (2/2)
Special functions of monitor panel (EMMS)
Adjustment method of replaced controller
Preparatory work for troubleshooting for electric system
Pm clinic
Undercarriage troubleshooting report
Form No. Section Title
General
WE051Y0102 5
WE051E0000 Troubleshooting
WE051E0100 Troubleshooting Preface
Points to remember when troubleshooting
Troubleshooting procedure
Points to remember when carrying out maintenance
Checks before troubleshooting
Classification and procedures of troubleshooting
Connector arrangement drawing and
electric circuit diagram of each system
WE051E0200 Troubleshooting Troubleshooting when error code is displayed (Error code)
Error code table
Information described in troubleshooting list
WE051E0300 Troubleshooting Troubleshooting of electrical system (E-mode)
Before troubleshooting electrical system (E-mode)
Information described in troubleshooting list
WE051E0400 Troubleshooting Troubleshooting of hydraulic and mechanical system (H-mode)
Information described in troubleshooting list
WE051E0500 Troubleshooting Troubleshooting of engine system (S-mode)
Method of using matrix troubleshooting charts
WE051F0000 Disassembly and assembly
Q WE051F0100 Disassembly and assembly Preface
How to read this manual
Standard tightening torque table
Precautions when performing operation
List of coatings
Special tool list
Sketches of special tools
Q WE051F0200 Disassembly and assembly Engine related procedures
Removal and installation of fuel injection pump assembly
Removal and installation of cylinder head assembly
Removal and installation of engine front seal
Removal and installation of engine rear seal
Removal and installation of engine assembly
Removal and installation of damper assembly
Removal and installation of radiator guard assembly
Removal and installation of radiator and
hydraulic oil cooler assembly
Removal and installation of fan drive assembly
Removal and installation of fan motor assembly
Removal and installation of engine hood assembly
Removal and installation of fuel tank assembly
Q WE051F0300 Disassembly and assembly Power train
Removal and installation of PTO, torque converter
and transmission assembly
Disconnection and connection of PTO,
torque converter and transmission assembly
Disassembly and assembly of PTO assembly
Disassembly and assembly of torque converter assembly
Disassembly and assembly of TORQFLOW transmission
assembly
Removal and installation of torque converter main relief valve
assembly
Disassembly and assembly of torque converter main relief valve
assembly
Form No. Section Title
General
6 WE051Y0102
Q WE051F0400 Disassembly and assembly Power train
Removal and installation of power train and
lubricating oil pump assembly
Removal and installation of HSS and
work equipment pump assembly
Removal and installation of scavenging pump assembly
Removal and installation of HSS motor assembly
Disassembly and assembly of HSS assembly
Removal and installation of final drive assembly
Disassembly and assembly of final drive assembly
Q WE051F0500 Disassembly and assembly Undercarriage
Removal and installation of track frame assembly
Removal and installation of idler assembly
Disassembly and assembly of idler assembly
Removal and installation of recoil spring assembly
Disassembly and assembly of recoil spring assembly
Removal and installation of track roller assembly
Disassembly and assembly of track roller assembly
Removal and installation of carrier roller assembly
Disassembly and assembly of carrier roller assembly
Q WE051F0600 Disassembly and assembly Undercarriage
Check before expanding track shoe assembly
Expansion (normal), expansion (internal abnormality)
and installation of track shoe assembly
Overall disassembly and overall assembly of track shoe
assembly
Link press-fitting jig dimensions table
Field disassembly and assembly of one link
Removal and installation of pivot shaft assembly
Removal and installation of equalizer bar assembly
Removal and installation of equalizer bar side bushing
Removal and installation of segment teeth
Q WE051F0700 Disassembly and assembly Hydraulic system
Removal and installation of main control valve assembly
Assembly of main control valve assembly
Removal and installation of cooling fan pump assembly
Removal and installation of work equipment assembly
Disassembly and assembly of work equipment assembly
Disassembly and assembly of hydraulic cylinder assembly
Q WE051F0800 Disassembly and assembly Others
Removal and installation of operator's cab assembly
Removal and installation of operator's cab glass (stuck glass)
Removal and installation of ROPS canopy
Removal and installation of dashboard assembly
Removal and installation of floor frame assembly
Removal and installation of steering and transmission controller
assembly
Form No. Section Title
General
WE051Y0102 7
WE051X0000 Others
WE051X0100 Others Hydraulic circuit diagram
Power train hydraulic circuit diagram
Work equipment hydraulic circuit diagram
Power angle power tilt dozer (PAT)
Work equipment hydraulic circuit diagram
Power tilt dozer (PT)
Electrical circuit diagram
Electrical circuit diagram (1/6)
Electrical circuit diagram (2/6)
Electrical circuit diagram (3/6)
Electrical circuit diagram (4/6)
Electrical circuit diagram (5/6)
Electrical circuit diagram (6/6)
Cab electrical circuit diagram
Form No. Section Title
General
8 WE051Y0102
D61EX-15, D61PX-15 BULLDOZER
Form No. WE051Z0002
©2004 KOMATSU
All Right Reserved
Printed in Japan 09-04 (01)
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Komatsu D61EX-15, D61PX-15 Dozer Bulldozer Service Repair Workshop Manual (SN: B40001 and up)
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Access PDF Contents & Bookmarks
Full Search Facility
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Description
The Komatsu D61EX-15,D61PX-15 Dozer Bulldozer Service Repair Manual is a comprehensive informational resource suitable for both professional mechanics and DIY enthusiasts. It contains easy-to-read text sections accompanied by high-quality diagrams and instructions, making it an essential tool for anyone undertaking repair or maintenance tasks.
- Models Covered:
- Komatsu D61EX-15 Dozer Bulldozer S/N B40001 and up
- Komatsu D61PX-15 Dozer Bulldozer S/N B40001 and up
The Service Repair Manual covers a wide range of topics including general information, structure and function, maintenance standards, testing, adjusting and troubleshooting, as well as disassembly and assembly procedures. It also includes additional relevant information to support the maintenance and repair of the equipment.
The manual is available in PDF format, compatible with all versions of Windows and Mac operating systems. It is presented in English and requires Adobe Reader for access. This manual is a valuable resource that will enable users to save time and money by efficiently performing repair and maintenance tasks on the Komatsu D61EX-15,D61PX-15 Dozer Bulldozer.
Investing in the right repair manual for your Komatsu D61EX-15,D61PX-15 Dozer Bulldozer is crucial. It not only provides significant cost savings but also enhances your understanding of the equipment, ultimately contributing to its optimal performance and longevity. Additionally, the manual's printable feature adds to its convenience and accessibility.
