Komatsu pc400 lc 7l GALEO Excavator Service repair manual
Komatsu pc400 lc 7l GALEO hydraulic excavator service repair manual (a86001 and up)
The complete list of contents for the Komatsu PC400LC-7L GALEO Hydraulic Excavator Shop Manual is as follows:

Contents
- General
Specifications
Weight Table
Fuel, Coolant, and Lubricants
Structure, Function, and Maintenance Standard - Radiator, Oil Cooler, After cooler
Power Train
Final Drive
Swing Machinery
Swing Circle
Track Frame and Recoil Spring
Idler
Carrier Roller
Track Roller
Track Shoe
Triple Grouser Shoe
Hydraulic System
Hydraulic Piping Drawing
Hydraulic Tank
Hydraulic Pump
LS Valve
PC Valve
LS(PS)-EPC Valve
Variable Volume Valve
Control Valve
Main Relief Valve
CLSS (Closed Center Load Sensing System)
Self Pressure Reducing Valve
Swing Motor
Relief Valve
Reversal Prevention Valve
Center Swivel Joint
Travel Motor
Parking Brake
Travel Junction Valve
Control Valve
Travel PPC Shuttle Valve
Work Equipment, Swing PPC Valve
Travel PPC Valve
Service PPC Valve
Solenoid Valve
PPC Accumulator
Return Oil Filter
Boom Hydraulic Drift Prevention Valve
Arm Hydraulic Drift Prevention Valve
Quick Return Valve
Lift Check Valve
Attachment Circuit Selector Valve
Holding Valve
Hydraulic Cylinder
Boom Cylinder
Arm Cylinder
Bucket Cylinder
Work Equipment
Dimension Arm
Dimension of Bucket
Air Conditioner
Air Conditioner Piping
Engine Control
Operation of System
Starting Engine
Engine Speed Control
Stopping Engine
Components of System
Fuel Control Dial
Engine Controller
Electronic Control System
Control Functions
Total System Diagram
Engine and Pump Control Function
Pump/Valve Control Function
One-Touch Power Maximizing/Machine Push-Up Function
Auto-Deceleration Function
Auto-Warm-Up/Overheat Prevention Function
Swing Control Function
Travel Control Function
ATT Flow Control, Circuit Selector Function (If Equipment)
System Components
Engine Revolution Sensor
PPC Oil Pressure Switch
Pump Pressure Sensor
Pump Controller
Monitor System
Monitor Control, Display Portion
Monitor Portion
Monitor Items and Display
Switches
Select Mode Function
Maintenance Function
Service Meter Check Function
Display LCD Check Function
Sensor
Engine Oil Level Sensor
Engine Oil Pressure Sensor (For Low Pressure)
Coolant Temperature Sensor
Hydraulic Oil Temperature Sensor
Fuel Level Sensor
Air Cleaner Clogging Sensor
Komatsu pc400 lc 7l GALEO repair Pdf
Testing, Adjusting, and Troubleshooting
Checks before and after repairs
Adjustments after repairs
Troubleshooting charts correlating problems to causes
Disassembly and Assembly
Order of operations for removing, installing, disassembling, or assembling components
Precautions for operations
Maintenance Standard
Judgment standards for inspecting disassembled parts
Other
Additional information and notes
This manual provides detailed technical information for servicing, troubleshooting, and maintaining the Komatsu PC400LC-7L Hydraulic Excavator.










