Komatsu Hydraulic Excavator PC1250-11R PC1250SP-11R Shop Manual SEN06824-01

[Hubert Veidt]

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Komatsu Hydraulic Excavator PC1250-11R PC1250SP-11R Shop Manual SEN06824-01
Size: 72.5 MB
Format: PDF
Language: English
Brand: Komatsu
Type of Machine: Hydraulic Excavator
Type of Manual: Shop Manual
Model: Komatsu PC1250-11R PC1250SP-11R Hydraulic Excavator
Serial Number: 50090 and up
Form Number: SEN06824-01
Publication Date: 05.2022
Number of Pages: 2468 Pages

Contents:
00 Index And Foreword
Index
Abbreviation List
Foreword, Safety, Basic Information
01 Specifications
Contents
Specifications
10 Structure And Function
Contents
Boot-Up System
Engine System
Cooling System
Control System
Hydraulic System
Work Equipment System
Swing System
Travel System
Lifting System
Undercarriage And Frame
Work Equipment
Cab And Its Attachments
20 Standard Value Table
Contents
Standard Value Table For Engine
Standard Value Table For Machine
30 Testing And Adjusting
Contents
Related Information On Testing And Adjusting
Engine And Cooling System
Power Train
Undercarriage And Frame
Hydraulic System
Cab And Its Attachments
Electrical System
Pm Clinic
40 Troubleshooting
Contents
Related Information On Troubleshooting
Troubleshooting By Failure Code (Display Of Code)
1 Troubleshooting Of Electrical System (E-Mode)
Troubleshooting For Hydraulic And Mechanical Systems (H Mode)
Troubleshooting Of Engine (S-Mode)
50 Disassembly And Assembly
Contents
Abbreviation Ust
Related Information On Disassembly And Assembly
Engine And Cooling System
Power Train
Undercarriage And Frame
Hydraulic System
Work Equipment
Cab And Its Attachments
Electrical System
60 Maintenance Standard
Contents
Engine And Cooung System
Power Train
Undercarriage And Frame
Hydraulic System
Work Equipment
80 Appendix
Contents
Air Conditioner System
Component Parts Of Air Conditioner System
Explanation Of Procedure For Testing And Troubleshooting Of Air Conditioner
Circuit Diagram And Arrangement Of Connector Pins For Air Conditioner
Air Conditioner System Diagram
Installation Locations Of Air Conditioner Parts And Arrangement Of Connectors
Testing Air Leakage (Duct)
Testing Air Conditioner Using Self-Diagnosis Function
How To Open The Electrical System Abnormality Record Screen In Service Mode Of The Machine Monitor
Test Vent (Mode) Changeover
Testing Fresh/Recirc Air Changeover
Test Sunlight Sensor
Test (Dual) Pressure Switch For Refrigerant
Test Relays
Air Conditioner Troubleshooting Chart 1
Air Conditioner Troubleshooting Chart 2
Information Described In Troubleshooting Table
Failure Code [879aka)
Failure Code [879akb]
Failure Code [879bka]
Failure Code [879bkb]
Failure Code [879cka]
Failure Code [879ckb]
Failure Code [879dkz]
Failure Code [879emcj
Failure Code [879fmc]
Failure Code [879gkx]
A-1 Troubleshooting For Power Supply System (Air Conditioner Does Not Operate)
A-2 Troubleshooting For Compressor And Refrigerant System (Air Is Not Cooled)
A-3 Troubleshooting For Blower Motor System (No Air Comes Out Or Air Flow Is Abnormal)
A-4 Troubleshooting For Fresh/Recirc Air Changeover
Troubleshooting Using Gauge Pressure
Connection Of Service Tool
Precautions For Disconnecting And Connecting Hoses And Tubes In Air Conditioner Pipings
Handle Compressor Oil
90 Circuit Diagrams
Contents
Hydraulic Circuit Diagram
Electrical Circuit Diagram
Index