Komatsu Bulldozer D375A-5R service & repair manual

Description Komatsu Bulldozer D375A-5R service & repair manual

Komatsu Bulldozer D375A-5R pdf workshop service manual

Serial numbers:
55001 and up

Specifications, testing, troubleshooting, maintenance, technical data, electrical diagrams, hydraulic schematics, adjusting, assembly, disassembly, removal, installation instructions and other information

MANUAL CONTENT:
Index and foreword
Composition of shop manual
Table of contents
Foreword and general information
Safety notice
How to read the shop manual
Explanation of terms for maintenance standard
Handling of electric equipment and hydraulic component
Handling of connectors newly used for engines
How to read electric wire code
Precautions when carrying out operation
Method of disassembling and connecting push-pull type coupler
Standard tightening torque table
Conversion table

Specification
Specification and technical data
Specification drawing
Weight table
Table of fuel, coolant and lubricants

Structure, function and maintenance standard
Engine and cooling system
Engine mount
Cooling system
Cooling fan pump
Cooling fan motor
Power train
Overall drawing of power train unit
Power train hydraulic piping drawing
Damper, universal joint
Torque converter, PTO
Scavenging pump
Torque converter valve
Transmission control
Transmission
Transmission ECMV
Transmission lubrication relief valve
Power train pump + lubrication pump
Steering, brake control
Transfer, bevel gear shaft, steering
Steering ECMV
Steering clutch ECMV, Steering brake ECMV
Parking brake valve
Sudden stop prevention valve
Final drive
Sprocket
Undercarriage and frame
Track frame
Recoil spring
Idler
Track roller
Carrier roller
Track roller bogie
Track shoe
Main frame
Suspension
Hydraulic system
Work equipment hydraulic piping diagram
PPC control piping diagram
Work equipment control
Hydraulic tank
Accumulator
PPC lock valve
PPC valve
Hydraulic cylinder
Piston valve
Quick drop valve
Pin puller switch
Pin puller solenoid valve
Blade control knob
Pitch, dual tilt solenoid valve
Work equipment pump
Control valve
Self pressure reducing valve
Work equipment
Cylinder stay
Blade
Cutting edge, end bit
Ripper
Cab and its attachments
Cab mount
Cab
Air conditioner
Electrical system
Engine control system
CRI engine control system
Monitor system
Machine monitor
Mode selection system
Electrical equipment
Palm command control system
Sensors
Vehicle health monitoring system (VHMS)
ORBCOMM terminal system

Standard value table
Standard service value table
Standard value table for engine
Standard value table for machine

Testing and adjusting
Tools for testing, adjusting, and troubleshooting
Testing engine speed
Testing intake air pressure (boost pressure)
Testing exhaust temperature
Testing exhaust gas color
Adjusting valve clearance
Testing compression pressure
Testing blow-by pressure
Testing engine oil pressure
Handling of fuel system devices
Releasing residual pressure from fuel system
Testing fuel pressure
Handling of reduced cylinder mode operation
Handling of no injection cranking operation
Testing leakage from pressure limiter and return rate from injector
Bleeding air from fuel circuit
Testing fuel circuit for leakage
Handling controller voltage circuit
Replacing and adjusting alternator and air conditioner compressor belt
Testing fan motor speed
Testing fan circuit oil pressure
Bleeding air from fan pump
Adjusting fuel control dial and decelerator pedal
Testing power train oil pressure
Adjusting transmission speed sensor
Simple procedure for testing brake performance
Adjusting brake pedal and parking brake lever
Adjusting position of pccs lever console
Emergency escape method when there is failure in power train
Inspecting wear of sprocket
Testing and adjusting track shoe tension
Testing work equipment oil pressure
Testing control circuit main pressure
Testing PPC valve output pressure
Adjusting play of PPC valve
Testing output pressure of ripper pin-puller solenoid valve
Checking location of cause of hydraulic drift of blade and ripper
Testing leakage inside work equipment cylinder
Releasing remaining pressure in work equipment cylinders
Bleeding air from work equipment cylinders
Adjusting ripper lever position
Adjusting work equipment lock lever
Testing and adjusting operator's cab
Adjusting blade
Special functions of monitor panel (EMMS)
Adjustment method when controller has been replaced
Preparation work for troubleshooting for electrical equipment system
Inspection procedure of diode
Handling of optional devices
Request for opening ORBCOMM terminal
Initialization procedures for VHMS controller
Using method of KOMTRAX functions of ORBCOMM terminal

Troubleshooting
Failure code table and fuse locations
Failure codes table
Fuse locations
General information on troubleshooting
Points to remember when troubleshooting
Sequence of events in troubleshooting
Check before troubleshooting
Classification and procedures for troubleshooting
Information in troubleshooting table
Connection table for connector pin numbers
T-branch box and T-branch adapter table
Troubleshooting by failure code
Troubleshooting of electrical system (E-mode)
Troubleshooting of hydraulic and mechanical system (H-mode)
Troubleshooting of engine (S-mode)

Disassembly and assembly
General information on disassembly and assembly
How to read this manual
Coating materials list
Special tool list
Sketchs of special tools
Engine and cooling system
Removal and installation of engine assembly
Removal and installation of radiator assembly (with aftercooler and hydraulic oil cooler)
Removal and installation of radiator unit
Removal and installation of hydraulic oil cooler assembly
Removal and installation of aftercooler assembly
Removal and installation of radiator guard assembly
Removal and installation of fuel tank assembly
Removal and installation of engine hood assembly
Removal and installation of fan drive assembly
Removal and installation of fan motor assembly
Engine
Removal and installation of fuel supply pump assembly
Removal and installation of cylinder head assembly
Removal and installation of fuel injector assembly
Removal and installation of engine front seal
Removal and installation of engine rear seal
Power train, Part 1 (Damper, power train, PTO, T/C, T/M)
Removal and installation of damper assembly
Disassembly and assembly of damper
Removal and installation of power train unit assembly
Disconnection of power train unit assembly
Connection of power train unit assembly
Disassembly and assembly of PTO assembly
Disassembly and assembly of torque converter assembly
Disassembly and assembly of torqflow transmission assembly
Power train, Part 2 (Steering case, pump for power train, final drive)
Disassembly and assembly of steering case assembly
Removal and installation of power train, lubrication pump assembly
Removal and installation of scavenging pump assembly
Removal and installation of final drive assembly
Disassembly and assembly of final drive assembly
Undercarriage and frame, Part 1 (Track frame, idler, track roller, bogie)
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 track roller assembly
Disassembly and assembly of track roller assembly
Removal and installation of bogie assembly
Disassembly and assembly of bogie assembly
Removal and installation of 1st bogie assembly
Undercarriage and frame, Part 2 (Track shoe, pivot shaft, equalizer bar)
Expanding and assembly track shoe installation
Whole disassembly and assembly of track shoe
Dimensions table of fitting jig of link press
Disassembly and assembly of 1 link in the field
Disassembly and assembly of master link
Removal and installation of pivot shaft assembly
Removal and installation of equalizer bar
Disassembly and assembly of equalizer bar bushing
Removal and installation of segment tooth
Hydraulic system
Removal and installation of hydraulic tank and control valve assembly
Removal and installation of work equipment pump assembly
Removal and installation of fan pump assembly
Removal and installation of control valve assembly
Assembly of control valve assembly
Assembly of blade PPC valve assembly
Disassembly and assembly of ripper PPC valve assembly
Disassembly and assembly of hydraulic cylinder assembly
Disassembly and assembly of ripper pin puller cylinder assembly
Work equipment
Removal and installation of blade assembly
Disassembly and assembly of blade assembly
Disassembly and assembly of giant ripper assembly
Cab and its attachments
Removal and installation of ROPS guard
Removal and installation of operator's cab assembly
Removal and installation of floor frame assembly
Electrical system
Removal and installation of transmission and steering controller assembly
Removal and installation of engine controller assembly
Removal and installation of VHMS controller assembly
Removal and installation of air conditioner unit assembly
Removal and installation of monitor panel assembly

Diagrams and drawings
Hydraulic diagrams and drawings
Hydraulic circuit diagram
Power train hydraulic circuit diagram7
Electrical diagrams and drawings
Electrical circuit diagram

Engine SAA6D170E-5 workshop service manual