Komatsu Excavator PC800-8 PC850-8 workshop service manual
  • Komatsu Excavator PC800-8 PC850-8 workshop service manual
  • Komatsu Excavator PC800-8 PC850-8 workshop service manual
  • Komatsu Excavator PC800-8 PC850-8 workshop service manual
  • Komatsu Excavator PC800-8 PC850-8 workshop service manual

Komatsu Excavator PC800-8 PC850-8 workshop service manual

Brand: Komatsu
Product Code: Komatsu
Availability: In Stock

01.2009 / All Regions / 1 CD / Windows OS, MacOS, Linux/ 32 & 64 bit

Komatsu Hydraulic Excavator PC800-8, PC800LC-8, PC800SE-8, PC850-8, PC850SE-8 PDF workshop service & repair manual

Languages: English, Spanish

SERIAL NUMBERS 65001 and up

SERIAL NUMBERS PC800- 50001 and up, PC850- 10001 and up

Field Assembly Instruction
Specification and technical data
Specification drawings
Working range drawing
Weight table
Table of fuel, coolant and lubricants

Engine and cooling system
Coupling lubrication system

Power train
Swing machinery
Swing circle
Final drive

Undercarriage and frame
Track frame and recoil spring
Carrier roller
Track roller
Track shoe

Hydraulic system
Hydraulic piping drawing
Hydraulic tank, hydraulic filter
Hydraulic pump
Cooling fan pump
Cooling fan motor
Motor grease pump
Return oil filter
Line oil filter
Drain oil filter
L.H. 5-Spool control valve
R.H. 4-Spool control valve
Straight-travel valve
Swing motor
Center swivel joint
Travel motor
PPC accumulator
Work equipment, swing PPC valve
Travel PPC valve

Work equipment
Dimensions of work equipment

Cab and its attachments
Air conditioner piping

Electrical system
Engine control
Electric control system
Monitor system
KOMTRAX system

Standard service value table
Standard service value table for engine
Standard service value table for chassis

Testing and adjusting
Tools for testing, adjusting and troubleshooting
Measuring engine speed
Measuring intake air pressure (Boost pressure)
Measuring exhaust gas temperature
Measuring exhaust gas color
Adjusting valve clearance
Measuring compression pressure
Measuring blow-by pressure
Measuring engine oil pressure
Measuring EGR valve and bypass valve drive pressure
Handling of fuel system equipment
Remaining pressure relief from fuel system equipment
Measuring fuel pressure
Testing fuel return rate and leakage
Bleeding air from fuel circuit
Testing fuel system for leakage
Testing and adjusting alternator belt tension
Testing and adjusting air conditioner compressor belt
Inspection of swing circle bearing clearance
Testing and adjusting track shoe tension
Testing and adjusting work equipment, swing, and travel circuit oil pressures
Testing and adjusting control circuit pressure (output pressure of self pressure reducing valve)
Testing and adjusting main pump control pressure
Measuring PPC valve output pressure
Measuring outlet pressures of solenoid valve, swing PPC shuttle valve, and swing priority selector valve
Adjusting work equipment, swing PPC valve
Testing and adjusting travel deviation
Inspection of locations of hydraulic drift of work equipment
Measuring fan speed
Measuring fan circuit oil pressure
Measuring fan pump EPC current
Measuring fan pump EPC solenoid valve output pressure
Measuring oil leakage
Release of residual pressure from hydraulic circuit
Bleeding air from each part
Inspection procedures for diode
Adjusting mirrors

Failure code table and fuse locations
Failure codes table
Fuse locations
General information on troubleshooting
Points to remember when troubleshooting
Sequence of events in troubleshooting
Checks before troubleshooting
Classification and troubleshooting steps
Information in troubleshooting table
Failure-looking phenomenon and troubleshooting
Connection table for connector pin numbers
T- branch box and T - branch adapter table

Disassembly and assembly
General information on disassembly and assembly
Coating materials list
Special tools list
Sketches of special tools
Engine and cooling system
Work equipment
Cab and its attachments
Electrical system

Diagrams and drawings
Hydraulic circuit diagram
Electrical circuit diagram

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