Komatsu Wheeled Excavator PW168-11E1 service & repair manual

Description Komatsu Wheeled Excavator PW168-11E1 service & repair manual

Komatsu Wheeled Excavator PW168-11E1 pdf workshop service & repair manual

Serial number H68051 and up

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

MANUAL CONTENT:
Foreword
Abbreviation List
Foreword, Safety, Basic Information
Hoisting Instructions
Coating Materials
Standard Tightening Torque
Electric Wire Code
Conversion Tables
Units

Specification
Specification Dimension Drawings
Working Ranges
Weight Table
Fuel, Coolant, Lubricant

Structure and Function
UREA SCR System
BOOT-UP system
Engine System
Cooling system
Control System
Power Train System
Swing System
Undercarriage
Trailer
Hydraulic System
Work Equipment
Air Conditioner Unit
Sensors
Lubrication
Additional Preparations
Standard Value Table for Engine Related Parts
Standard Value Table for Chassis Related Parts
PM Clinic Service

Standard Value Table

Testing and Adjusting
Engine and Cooling System
Clean DEF Tank
Examine Swing Circle Bearing Clearance
Examine and Adjust Oil Pressure in Work Equipment, Swing, and Travel Circuits
Examine Oil Pressure of Control Circuit
Examine and Adjust Oil Pressure in Pump PC Control Circuit (Valve Inlet)
Examine and Adjust Pump LS Differential Pressure
How to Examine Solenoid Valve Output Pressure
Adjust of Work Equipment and Swing PPC Valve
How to Examine Quick Coupler Control Valve Output Pressure
Examine Travel Motor Relief Pressure
Examine Propshaft Speed
Examine Transmission Clutch Control Circuit
Examine Parts Which Cause Hydraulic Drift of Work Equipment
Release of Remaining Pressure in Hydraulic Circuit
Examine Oil Leakage
Air bleeding of various parts
Examine Diodes
Electrical system
Examine and adjust ECSS (ACCU Pressure)
Examine and Adjust Tool Control
Examine Lubrication Interval Times
How to Chang the Joystick Steering Control
How to Adjust Digging Brake System
Procedure to Adjust Rearview Camera Angle
Adjust KomVision camera angle
Adjust KomVision Related Function

Troubleshooting
Related Information to Troubleshooting
T-Branch Box and T-Branch Adapter Table
Fuse Location Table
Failure Code Table (Display of Code)
Troubleshooting by Failure Code

Disassembly and Assembly
Front Axle
Rear Axle
Transmission

Maintenance Standard
Engine and Cooling System
Power Train
Hydraulic System
Work Equipment
Hydraulic Cylinder

Appendix
Precautions Before Work
Air Conditioner System
Component parts of Air Conditioner System
Explanation of Procedure for Testing and Troubleshooting of Air Conditioner
Circuit Diagram and Configuration of Connector Pins of Air Conditioner
System Diagram of Air Conditioner
Locations of Air Conditioner Parts and Layout of Connectors
Examine Air Leakage (Duct)
Examine Air Conditioner with Self-Diagnosis Function
Open the Electrical System Abnormality Record Screen in Service Mode of Machine Monitor
Examine vent (mode) Changeover
Examine FRESH/RECIRC Air Changeover
Examine Sunlight Sensor
Examine Refrigerant (Dual) Pressure Switch
Air Conditioner Troubleshooting Chart
Information Shown in Troubleshooting Table
Failure Code [879AKA] A/C Recirculation Air Temperature Sensor Open Circuit
Failure Code [879AKB] A/C Recirculation Air Temperature Sensor Short Circuit
Failure Code [879BKA] A/C Fresh Air Temperature Sensor Open Circuit
Failure Code [879BKB] A/C Fresh Air Temperature Sensor Short Circuit
Failure Code [879CKA] Ventilating Sensor Open Circuit
Failure Code [879CKB] Ventilating Sensor Short Circuit
Failure Code [879DKZ] Sunlight Sensor Open Circuit or Short Circuit
Failure Code [879EMC] Ventilation Damper Malfunction
Failure Code [879FMC] Air Mix Damper Malfunction
Failure Code [879GKX] Refrigerant Pressure Input Signal Out of Range
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 by Gauge Pressure
Connect Service Tool
Precautions for Disconnection and Connection of Air Conditioner Piping
Handle Compressor Oil
How to Replace Desiccant
Joystick Steering
Overview of Failure Groups and Descriptions
Error Handling

Circuit Diagrams
Hydraulic Circuit Diagram
Wiring Circuit Diagram
Connector Diagram

Engine SAA4D107E-5 workshop service manual