Komatsu Mining Shovel PC3000-1 service & repair manual

Description Komatsu Mining Shovel PC3000-1 service & repair manual

Komatsu Mining Shovel PC3000-1 pdf workshop service & repair manual

Serial numbers:
6171, 6174, 6182, 6194, 6199, 6202, 6225

MANUAL CONTENT:
Main assembly groups
Superstructure
Machine house
Hydraulic Oil Reservoir
Hydraulic Oil Cooler
Fuel Tank
Counter weight
Cab support
Operators cab
Control Blocks
Swing gears

Drive
Engine and PTO mounts
Coupling
Air filter
Fan drive and radiator assembly
Radiator fan drive speed adjustment
Pump distributor gearbox (PTO)
Pump-spline lubrication
PTO Lubrication and cooling
Hydraulic pumps – location, drive speed and flow rates

Hydraulic oil tank
Main oil tank, location of switches, sensors etc
Suction oil tank with strainers
Return oil collector tube with strainer
Back pressure valve
Transfer pump (Optional Equipment)
Return and Leak Oil Filter
Breather Filter

Hydraulic oil cooling
General
Function of the hydraulic oil cooling circuit
Adjustment of the Back Pressure Valve
Fan drive (Two stage cooler fan RPM control)
Pressure relief valves and solenoid valve
Fixed Displacement Pump, with variable setting

Controlling
Control and filter panel location of components (valves, switches, sensors etc.)
Pilot Pressure Supply and Adjustments
Remote control valves arrangement
Function principle of the
Electro-Hydraulic- Proportional Control
Potentiometer Control (Lever, Joy Stick)
Potentiometer Control (Pedal)
Proportional amplifier module, Type A (for swing brake only)
Proportional amplifier module, Type B (for Boom, Stick, Bucket, Swing and Travel)
Ramp Time Module (Analogue command value module for Boom, Stick,Travel and Swing function)
Adjustments of Amplifier Modules (General)
Adjusting the Amplifiers
Adjusting the Ramp Time Module

Components
Main Control Blocks and High Pressure Filter FSA
Main Control Blocks and High Pressure Filter BHA
Distributor Manifold – Restrictor blocks FSA
Distributor Manifold – Restrictor blocks BHA
Single Control Blocks (Floating) for Stick and Boom
Restrictor Block with Pressure Relief Valve
Anti Cavitation Valve Block
Remote Control Valves
Directional Solenoid Valves (Three positions / 4-ways)
Proportional Solenoid Valves
High Pressure Filter
Control Blocks and Valves
Travel Brake Valve
Pressure Reducing Valve
Directional Solenoid Valves (Two positions / 4-ways)
Pressure Increasing Valve

Main hydraulic pumps and pump regulation
Location of Pumps
Pump bearing flushing / lubrication
Operating Principles
Checks and Adjustments
Electronic Pump Regulation System
Electronic load limiting control
Microcontroller
Checks and adjustments - General
Method A - X1-pressure adjustment with 24V
supply to separating terminals at the X2-switch board
Method B - With the electronic service tool
Language selection
Excavator Type selection
X1-pressure (max. current) adjust
Method C - With a laptop and BODEM software
Starting the program
Language selection
Excavator Type selection
X1-pressure (max. current) adjust

Operating hydraulic
Hydraulic for the attachment cylinder FSA and BHA
Hydraulic for the swing circuit
Hydraulic for the travel circuit

Hydraulic track tensioning system
Functional description
Pressure Increasing Valve
Tensioning Cylinder
Adjustments / Checks
Functional test

Hydraulic operated excess ladder
Function of hydraulic operated access ladder

Central refilling system
General
Function

Hints for the hydraulic circuit diagram
Legend for the circuit diagram
How to read the circuit diagram

Hints for the electric circuit diagram
Designation of electrical devices
Symbols
General information
Reading a circuit diagram
Component list

VHMS / ECS-T / ETM

Lubrication Systems