Komatsu PC300LC-7E0 Crawler Excavator Repair Service Manual

This workshop repair service manual is for the Komatsu PC300LC-7E0 Crawler Excavator, with serial numbers 50001-50216 and 55001 and up.

Designed for use by mechanical technicians familiar with service procedures, this manual covers repair and overhaul of the Komatsu PC300LC-7E0 Crawler Excavator. It assumes the technician's familiarity with general automobile practices and emphasizes the product's special aspects to enable the delivery of quality service.

The manual includes instructions on components manufactured for the Komatsu PC300LC-7E0 Crawler Excavator, as well as repair procedures for proprietary components. It aims to provide reliable information and help users derive the best value from their equipment.

Containing specifications and procedures available in an authorized Komatsu PC300LC-7E0 Crawler Excavator dealer service department, this manual emphasizes particular information denoted by the wording and symbols: WARNING, CAUTION, NOTE.

It provides information and procedures for routine maintenance, servicing, and diagnostic and repair procedures to follow when trouble occurs. Whether for professional mechanics or DIY enthusiasts, this manual can help save time and money by enabling users to perform maintenance and repairs themselves.

For safety, it is essential to use safety equipment and observe precautions when working on the Komatsu PC300LC-7E0 Crawler Excavator. Special tools recommended or required for adjustments or repairs are also identified in the manual.

Containing all necessary instructions for any repair the Komatsu PC300LC-7E0 Crawler Excavator may require, this service manual includes tune-ups, maintenance, removal and installation procedures, as well as extensive repair involving engine and transmission disassembly, among other procedures.

Language: English. This is a .OVA file manual, not interactive, and is deliverable 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
• 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