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Manuals
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Komatsu Manuals
Excavators
PC1250LC -8
Shop manual
Komatsu PC1250LC -8 Shop Manual
Hydraulic excavator
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Contents
Table of Contents
Bookmarks
Table of Contents
Table of Contents
Table of Contents
Index and Foreword
Safety Notice
Backhoe Specification
Structure, Function and Maintenance Standard Engine and Cooling System SEN00896-01 PTO
Power Train
Track Frame, Recoil Spring
Air Piping Drawing
Air Circuit Diagram
Table of Contents
Loading Shovel Specification
PTO Lubrication System
Swing Machinery
Idler
Air Governor
Air Tank
Specifications
Radiator and Oil Cooler
Carrier Roller
Safety Valve
How to Read the Shop Manual
Track Roller
Horn Valve
Swing Circle
Track Shoe
Grease Pump
Explanation of Terms for Maintenance Standard
Final Drive
Handling of Electric Equipment and Hydraulic Component
Sprocket
Handling of Connectors Newly Used for Engines
Weight Table
How to Read Electric Wire Code
Precautions When Carrying out Operation
Method of Disassembling and Connecting Push-Pull Type Coupler
Table of Fuel, Coolant and Lubricants
Standard Tightening Torque Table
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Table of Contents
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Structure, Function and Maintenance Standard Engine and Cooling System Sen00896-01 Pto
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Power Train
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Specifications
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HYDRAULIC
EXCAVATOR
PC1250
PC1250SP
PC1250LC
SERIAL NUMBERS
SEN00889-19
-8
-8
-8
PC1250-
30001
PC1250SP- 30001
PC1250LC- 30001
and up
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Summarization of Contents
00 Index and Foreword
Composition of Shop Manual
Lists the structure and form numbers of the shop manual contents.
Foreword and General Information
Covers introductory topics like safety notices and how to read the manual.
Safety Notice
Highlights important safety precautions for machine operation and repair.
01 Specification
Specification and Technical Data
Details machine specifications and technical data.
10 Structure, Function and Maintenance Standard
Engine and Cooling System
Explains structure, function, and maintenance of the engine and cooling system.
Power Train
Covers structure, function, and maintenance of the power train.
Hydraulic System, Part 1
Covers the structure, function, and maintenance of the hydraulic system, Part 1.
20 Standard Value Table
Standard Service Value Table
Lists standard values for new machines and judgment criteria for testing.
30 Testing and Adjusting
Testing and Adjusting, Part 1
Details instruments, methods, and adjustments for testing and adjusting procedures.
Testing and Adjusting, Part 2
Continues testing and adjusting procedures for various machine systems.
40 Troubleshooting
Troubleshooting by Failure Code (Display of code), Part 1
Identifies and explains troubleshooting steps for specific failure codes.
Troubleshooting of hydraulic and mechanical system (H-mode)
Offers troubleshooting steps for hydraulic and mechanical system issues in H-mode.
50 Disassembly and Assembly
Engine and cooling system, Part 1
Details procedures for removing and installing engine and cooling system components.
Power train
Covers disassembly and assembly procedures for power train components.
90 Diagrams and Drawings
Hydraulic circuit diagrams
Presents hydraulic circuit diagrams for different serial number ranges.
Electrical diagrams and drawings
Provides electrical circuit diagrams and connector arrangement diagrams.
Table of Contents
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