Komatsu PC03-2 Excavator Workshop Repair Service Manual

This workshop repair service manual is for the Komatsu PC03-2 Excavator, with serial number 21587 and up.

Designed for mechanical technicians familiar with service procedures, this manual covers repair and overhaul of the Komatsu PC03-2 Excavator, assuming the technician's proficiency in general automobile practices.

The manual includes instructions on components manufactured for the Komatsu PC03-2 Excavator, as well as repairs of proprietary components with instructions from respective manufacturers.

Emphasizing particular information denoted by the wording and symbols: WARNING, CAUTION, NOTE, this manual provides reliable information and procedures for routine maintenance, servicing, and diagnostic and repair procedures.

Useful for both professional mechanics and DIY enthusiasts, this manual enables individuals to save time and money by performing maintenance and repairs themselves, with safety equipment and precautions observed.

It includes specifications and procedures available in an authorized Komatsu PC03-2 Excavator dealer service department, and is aimed at helping users get the best value from their Komatsu PC03-2 Excavator.

This is a complete service manual containing instructions for tune-ups, maintenance, removal & install procedures, assemblies & disassemblies, fuel system, ignition, lubrication system, exhaust, electrical system, and more extensive repairs involving engine and transmission disassembly for the Komatsu PC03-2 Excavator.

Language: English. This is a .PDF file manual, not a hard copy, and is available for fast and free electronic delivery via email.

The content of this service manual depicts parts and/or procedures applicable to the particular product at the time of writing.

• General Information
• Maintenance
• Lubrication
• Heating
• Ventilation
• Air Conditioning
• Suspension
• Front Suspension
• Rear Suspension
• Wheel
• Tire System
• Differential
• Driveline
• Drive Shaft
• Transfer Case
• Brakes
• Engine
• Engine Mechanical
• Engine Cooling
• Engine Fuel
• Engine Electrical
• Ignition System
• Starting
• Charging System
• Emissions
• Engine Exhaust
• Engine Lubrication
• Engine Speed Control System
• Clutch
• Cooling
• Electronic Control Modules
• Engine Systems
• Heated Systems
• Horn
• Ignition Control
• Instrument Cluster
• Lamps
• Power Systems
• Restraints
• Speed Control
• Transmission
• Exhaust System
• Body Structure
• Seats
• Security and Locks
• Air Bag System
• Exterior Trim
• Interior Trim
• Frame
• Bumpers
• Fuel System
• Steering
• Transmission and Transfer Case
• Tires
• Wheels
• Body
• Heating
• Air Conditioning
• Emissions Control
• Engine Removal
• Engine Installation
• Final Drive
• Electrical System

• Air cleaner element renewal
• Air cleaner temperature control check
• Auxiliary drivebelt check
• Battery electrolyte level check
• Battery terminal check
• Brake hydraulic fluid renewal
• Brake hydraulic system seal and hose renewal
• Brake pipe and hose check
• Choke adjustment check
• Contact breaker point renewal and distributor lubrication
• Crankcase ventilation system check
• Emission control filter element renewal
• Engine coolant renewal
• Engine idle speed check
• Engine oil and filter renewal
• Engine valve clearance check - OHV engines
• Exhaust system check
• Fluid leak check
• Fluid level checks
• Front and rear brake pad/shoe check
• Front wheel alignment check
• Gearbox oil level check
• Handbrake check
• Hinge and lock check and lubrication
• HT lead, distributor cap
• Ignition circuit check
• Ignition timing
• Contact breaker gap (dwell angle) check
• Intensive maintenance
• Mixture adjustment check
• Road test
• Roadwheel security check
• Seat belt check
• Spark plug check
• Spark plug renewal
• Steering and suspension security check
• Throttle damper operation check
• Timing belt renewal
• Tyre checks
• Underbody inspection
• Wiper blade check

This workshop service manual is a valuable resource for maintaining and repairing the Komatsu PC03-2 Excavator, providing comprehensive information and procedures for various maintenance and repair tasks.