Komatsu Excavator PC390LL-10 service & repair manual

Description Komatsu Excavator PC390LL-10 service & repair manual

Komatsu Excavator Log Loader / Road Builder PC390LL-10 pdf workshop service repair manual + operation & maintenance manual

Serial number A50601 and up

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

MANUAL CONTENT:
GENERAL
SPECIFICATIONS
Dimension Drawings
Road Builder
Log Loader
Dimensions
Working Ranges
Road Builder
Log Loader
Engine
Undercarriage
Hydraulic System
Road Builder
Log Loader
WEIGHT TABLE
FUEL, COOLANT AND LUBRICANTS
Lubrication Chart

STRUCTURE AND FUNCTION
ENGINE AND COOLING SYSTEM
Engine Related Parts
Cooling System
POWERTRAIN SYSTEM
Powertrain
Swing Circle
Final Drive
TRACK FRAME RECOIL SPRING
HYDRAULIC SYSTEM
Hydraulic Component Layout
Valve Control
Hydraulic Tank
Oil Filler Cap
CLSS
Structure of CLSS
Basic principle
Main Pump
Operation
LS Valve
PC Valve
LS(PC)-EPC Valve
Control Valve
Functions and Operation by Valve
Hydraulic Circuit Diagram and Name of Valves
Unload Valve
Introduction of LS Pressure
LS By-Pass Plug
Pressure Compensation Valve
Shuttle Valve In Pressure Compensation Valve
Boom Regeneration Circuit
Arm Regeneration Circuit
Merge-Divider Valve
LS Selector Valve
Self-Pressure Reducing Valve
Travel Junction Valve
Travel PPC Shuttle Valve
Boom Hydraulic Drift Prevention Valve
Arm Hydraulic Drift Prevention Valve (Road Builder)
Arm Drift Prevention Valve (Log Loader)
Operation
Suction Safety Valve for Drift Prevention Valve
Arm Quick Return Valve
Variable Back Pressure Valve
Main Relief Valve
Suction 2-Stage Safety Valve
Swing Motor
Swing Holding Brake
Swing 2-Stage Relief Valve
Swing Motor Reverse Prevention Valve
Travel Motor
Operation of Travel Motor
Parking Brake
Brake Valve
Safety Valve
PPC Valve
Work Equipment and Swing PPC Valve
Travel PPC Valve
1st-Line Attachment PPC Valve (with EPC Valve) (If Equipped)
EPC Valve (If Equipped)
2nd-Line Attachment PPC Valve (If Equipped)
Solenoid Valve
Attachment Solenoid Valve
Center Swivel Joint
Accumulator
PPC Accumulator
WORK EQUIPMENT
Work Equipment - Road Builder
Work Equipment - Log Loader
Work Equipment Shim
Bucket Play Adjustment Shim
ELECTRICAL SYSTEM
Electrical Control System
Machine Control System Diagram
Engine Control Function
Engine and Pump Combined Control Function
Pump and Valve Control Function
One-Touch Power Maximizing Function
Machine Push-Up Function
Auto-Deceleration Function
Engine Automatic Warm-Up Function
Overheat Prevention Function
Turbocharger Protection Function
Swing Control Function
Swing Control Function (with Soft Swing Option)
Quick Warm-Up Function
Swing 2-Stage Relief Function
Travel Control Function
PPC Lock Function
Attachment Flow Control Function
System Component Part
Engine Controller
Pump Controller
Fuel Control Dial
Resister for PC-EPC valve
CAN Terminating Resistor
Engine Oil Pressure Switch
PPC Oil Pressure Switch
MACHINE MONITOR SYSTEM
Machine Monitor
Input and Output Signals
Display
Gauges
Caution Monitor
Pilot Monitor
Switches
Guidance ICON and Function Switch
Operator Mode Function
Service Mode Function
KOMTRAX SYSTEM
KOMTRAX terminal
Input and Output Signals
SENSORS
Ambient Pressure Sensor
Charge (Boost) Pressure and Temperature Sensor
Coolant Temperature Sensor
Ne (Crankshaft) Speed Sensor
Bkup (Camshaft) Speed Sensor
Common Rail Pressure Sensor
Exhaust Manifold Pressure Sensor
EGR Orifice Temperature Sensor
EGR Valve Lift Sensor
Turbo Speed Sensor
KVGT Position Sensor
Mass Air Flow and Temperature Sensor
KDPF Differential Pressure and Outlet Pressure Sensor
KDOC Inlet Temperature Sensor
KDOC Outlet Temperature Sensor
KDPF Outlet Temperature Sensor
Crankcase Pressure Sensor
Engine Oil Level Sensor
Fuel Level Sensor
Coolant Level Sensor
Hydraulic Oil Temperature Sensor
Front Pump Oil Pressure Sensor
Rear Pump Oil Pressure Sensor
PPC Oil Pressure Sensor
Air Cleaner Clogging Sensor
Front Pump Swash Plate Sensor
Rear Pump Swash Plate Sensor
Water-In-Fuel Sensor

STANDARD VALUE TABLES
STANDARD SERVICE VALUE TABLES
Standard Value Table for Engine Related Parts
Standard Value Table for Chassis Related Parts
Engine Speed
Travel of Control Valve Spool
Travel of Control Lever
Operating Effort of Control Lever and Pedal
Hydraulic Pressure
Swing
Travel
Work Equipment
Performance in Combined Operation
Pump Swash Plate Sensor
Main Pump
Posture of Machine for Measuring Performance and Measurement Procedure
Control Valve: Spool Stroke
Swing 1: Overrun When Stopping Swing, Time Taken to Start Swing, Time Taken to Swing
Swing 2: Hydraulic Drift of Swing
Travel 1: Travel Speed, Idle Running (Without Load)
Travel 2: Travel Speed (Actual Run), Travel Deviation
Travel 3: Travel Deviation
Travel 4: Hydraulic Drift of Travel
Work Equipment 1: Hydraulic Drift of Work Equipment
Work Equipment 2: Boom Speed
Work Equipment 3: Arm Speed
Work Equipment 4: Bucket Speed/Heel Speed
Work Equipment 5: Boom Time Lag
Work Equipment 6: Arm Time Lag
Work Equipment 7: Bucket Time Lag

DIAGRAMS AND SCHEMATICS
HYDRAULIC CIRCUIT DIAGRAMS
ELECTRICAL SYSTEM DIAGRAMS

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