Description
Komatsu PW95-1 Hydraulic Excavator Shop Manual (WEBMPW9500)
Komatsu PW95-1 Hydraulic Excavator Index:
Notice of revision
00 Index and foreword
Table of Contents
Foreword and general information
01 Specifications
Contents
Specifications
10 Structure and function
Contents
Engine and cooling system
Hybrid relation
Power train system
Undercarriage and frame
Hydraulic system
Work equipment
Electrical system
20 Standard value table
Contents
Standard service value table
30 Testing and adjusting
Contents
Tools for testing, adjusting and troubleshooting
Engine and cooling system
Swing circle and undercarriage
Hydraulic system
Exterior parts
Hybrid
Electrical system
Pm Clinic
40 Troubleshooting
Contents
General information on troubleshooting
Troubleshooting by failure code
Troubleshooting by failure code [GA****] (code display)
Troubleshooting of electrical system (E-mode)
Troubleshooting of hydraulic and mechanical system (H-mode)
Troubleshooting of engine (S-mode)
Troubleshooting hybrid system (Y-mode)
50 Disassembly and assembly
Contents
Related information on disassembly and assembly
Engine and cooling system
Hybrid related
Power train
Undercarriage and frame
Hydraulic system
Work equipment
Cab and its attachments
Electrical system
60 Maintenance standard
Contents
Engine and cooling system
Power train
Undercarriage and frame
Hydraulic system
Work equipment
80 Appendix
Contents
Air conditioner
Precautions for refrigerant
Air conditioner component
Configuration and function of refrigeration cycle
Outline of refrigeration cycle
Air conditioner unit
Air conditioner controller
Compressor
Condenser and Modulator
Sensor
Procedure for testing and troubleshooting
Circuit diagram and arrangement of connector pins
System diagram
Parts and connectors layout
Testing air leakage (duct)
Testing with self-diagnosis function
Testing vent (mode) changeover
Testing FRESH/RECIRC air changeover
Testing sunlight sensor
Testing (dual) pressure switch for refrigerant
Testing relays
Troubleshooting chart 1
Troubleshooting chart 2
Information in troubleshooting table
Failure code list related to air conditioner
Failure code [879AKA] A/C Inner sensor Open Circuit
Failure code [879AKB] A/C Inner sensor Short Circuit
Failure code [879BKA] A/C Outer sensor Open Circuit
Failure code [879BKB] A/C Outer sensor Short Circuit
Failure code [879CKA] Ventilating sensor Open Circuit
Failure code [879CKB] Ventilating sensor Short Circuit
Failure code [879DKZ] Sunlight sensor Open or Short Circuit
Failure code [879EMC] Ventilating Damper Abnormality
Failure code [879FMC] Air Mix Damper Abnormality
Failure code [879GKX] Refrigerant Abnormality
Troubleshooting for power supply and CAN communication system (Air conditioner does not operate)
Troubleshooting for compressor and refrigerant system (Air is not cooled)
Troubleshooting for blower motor system (No air comes out or air flow is abnormal)
Troubleshooting for FRESH/RECIRC air changeover
Troubleshooting with gauge pressure
Connection of service tool
Precautions for disconnecting and connecting air conditioner piping
Handling of compressor oil
Desiccant replacement procedure
90 Diagrams and drawings
Contents
Hydraulic circuit diagram
Electrical circuit diagram
Index
