Komatsu PC450-7 Hydraulic Excavator Repair Service Manual

This workshop repair service manual is for the Komatsu PC450-7 Hydraulic Excavator, with serial number 20001 and up. It is designed for mechanical technicians familiar with service procedures for BRP products, covering repair and overhaul of the excavator. The manual includes instructions on components manufactured for the PC450-7, as well as repairs of proprietary components. It provides reliable information and emphasizes particular information denoted by the wording and symbols: WARNING, CAUTION, NOTE.

The manual offers diagnostic and repair procedures, making it useful for both professional mechanics and DIY enthusiasts. It also emphasizes the importance of safety equipment and precautions when working on the excavator, including the use of a torque wrench and special tools for adjustments or repairs.

Owning and referring to this manual will enable the PC450-7 owner to be better informed and to more knowledgeably perform repairs like a professional automotive technician. It contains all necessary instructions needed for any repair the excavator may require, including 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.

The manual is in English and is available in .OVA file format for electronic delivery via email. It depicts parts and/or procedures applicable to the particular product at the time of writing.

• General Information for Komatsu PC450-7 Hydraulic Excavator
• Maintenance for Komatsu PC450-7 Hydraulic Excavator
• Lubrication for Komatsu PC450-7 Hydraulic Excavator
• Heating for Komatsu PC450-7 Hydraulic Excavator
• Ventilation for Komatsu PC450-7 Hydraulic Excavator
• Air Conditioning for Komatsu PC450-7 Hydraulic Excavator
• Suspension for Komatsu PC450-7 Hydraulic Excavator
• Front Suspension for Komatsu PC450-7 Hydraulic Excavator
• Rear Suspension for Komatsu PC450-7 Hydraulic Excavator
• Wheel for Komatsu PC450-7 Hydraulic Excavator
• Tire System for Komatsu PC450-7 Hydraulic Excavator
• Differential for Komatsu PC450-7 Hydraulic Excavator
• Driveline for Komatsu PC450-7 Hydraulic Excavator
• Drive Shaft for Komatsu PC450-7 Hydraulic Excavator
• Transfer Case for Komatsu PC450-7 Hydraulic Excavator
• Brakes for Komatsu PC450-7 Hydraulic Excavator
• Engine for Komatsu PC450-7 Hydraulic Excavator
• Engine Mechanical for Komatsu PC450-7 Hydraulic Excavator
• Engine Cooling for Komatsu PC450-7 Hydraulic Excavator
• Engine Fuel for Komatsu PC450-7 Hydraulic Excavator
• Engine Electrical for Komatsu PC450-7 Hydraulic Excavator
• Ignition System for Komatsu PC450-7 Hydraulic Excavator
• Starting for Komatsu PC450-7 Hydraulic Excavator
• Charging System for Komatsu PC450-7 Hydraulic Excavator
• Emissions for Komatsu PC450-7 Hydraulic Excavator
• Engine Exhaust for Komatsu PC450-7 Hydraulic Excavator
• Engine Lubrication for Komatsu PC450-7 Hydraulic Excavator
• Engine Speed Control System for Komatsu PC450-7 Hydraulic Excavator
• Clutch for Komatsu PC450-7 Hydraulic Excavator
• Cooling for Komatsu PC450-7 Hydraulic Excavator
• Electronic Control Modules for Komatsu PC450-7 Hydraulic Excavator
• Engine Systems for Komatsu PC450-7 Hydraulic Excavator
• Heated Systems for Komatsu PC450-7 Hydraulic Excavator
• Horn for Komatsu PC450-7 Hydraulic Excavator
• Ignition Control for Komatsu PC450-7 Hydraulic Excavator
• Instrument Cluster for Komatsu PC450-7 Hydraulic Excavator
• Lamps for Komatsu PC450-7 Hydraulic Excavator
• Power Systems for Komatsu PC450-7 Hydraulic Excavator
• Restraints for Komatsu PC450-7 Hydraulic Excavator
• Speed Control for Komatsu PC450-7 Hydraulic Excavator
• Transmission for Komatsu PC450-7 Hydraulic Excavator
• Exhaust System for Komatsu PC450-7 Hydraulic Excavator
• Body Structure for Komatsu PC450-7 Hydraulic Excavator
• Seats for Komatsu PC450-7 Hydraulic Excavator
• Security and Locks for Komatsu PC450-7 Hydraulic Excavator
• Air Bag System for Komatsu PC450-7 Hydraulic Excavator
• Exterior Trim for Komatsu PC450-7 Hydraulic Excavator
• Interior Trim for Komatsu PC450-7 Hydraulic Excavator
• Frame for Komatsu PC450-7 Hydraulic Excavator
• Bumpers for Komatsu PC450-7 Hydraulic Excavator
• Fuel System for Komatsu PC450-7 Hydraulic Excavator
• Steering for Komatsu PC450-7 Hydraulic Excavator
• Transmission and Transfer Case for Komatsu PC450-7 Hydraulic Excavator
• Tires for Komatsu PC450-7 Hydraulic Excavator
• Wheels for Komatsu PC450-7 Hydraulic Excavator
• Body for Komatsu PC450-7 Hydraulic Excavator
• Heating for Komatsu PC450-7 Hydraulic Excavator
• Air Conditioning for Komatsu PC450-7 Hydraulic Excavator
• Emissions Control for Komatsu PC450-7 Hydraulic Excavator
• Engine Removal for Komatsu PC450-7 Hydraulic Excavator
• Engine Installation for Komatsu PC450-7 Hydraulic Excavator
• Final Drive for Komatsu PC450-7 Hydraulic Excavator
• Electrical System for Komatsu PC450-7 Hydraulic Excavator

• Air cleaner element renewal for Komatsu PC450-7 Hydraulic Excavator
• Air cleaner temperature control check for Komatsu PC450-7 Hydraulic Excavator
• Auxiliary drivebelt check for Komatsu PC450-7 Hydraulic Excavator
• Battery electrolyte level check for Komatsu PC450-7 Hydraulic Excavator
• Battery terminal check for Komatsu PC450-7 Hydraulic Excavator
• Brake hydraulic fluid renewal for Komatsu PC450-7 Hydraulic Excavator
• Brake hydraulic system seal and hose renewal for Komatsu PC450-7 Hydraulic Excavator
• Brake pipe and hose check for Komatsu PC450-7 Hydraulic Excavator
• Choke adjustment check for Komatsu PC450-7 Hydraulic Excavator
• Contact breaker point renewal and distributor lubrication for Komatsu PC450-7 Hydraulic Excavator
• Crankcase ventilation system check for Komatsu PC450-7 Hydraulic Excavator
• Emission control filter element renewal for Komatsu PC450-7 Hydraulic Excavator
• Engine coolant renewal for Komatsu PC450-7 Hydraulic Excavator
• Engine idle speed check for Komatsu PC450-7 Hydraulic Excavator
• Engine oil and filter renewal for Komatsu PC450-7 Hydraulic Excavator
• Engine valve clearance check - OHV engines for Komatsu PC450-7 Hydraulic Excavator
• Exhaust system check for Komatsu PC450-7 Hydraulic Excavator
• Fluid leak check for Komatsu PC450-7 Hydraulic Excavator
• Fluid level checks for Komatsu PC450-7 Hydraulic Excavator
• Front and rear brake pad/shoe check for Komatsu PC450-7 Hydraulic Excavator
• Front wheel alignment check for Komatsu PC450-7 Hydraulic Excavator
• Gearbox oil level check for Komatsu PC450-7 Hydraulic Excavator
• Handbrake check for Komatsu PC450-7 Hydraulic Excavator
• Hinge and lock check and lubrication for Komatsu PC450-7 Hydraulic Excavator
• HT lead, distributor cap for Komatsu PC450-7 Hydraulic Excavator
• Ignition circuit check for Komatsu PC450-7 Hydraulic Excavator
• Ignition timing for Komatsu PC450-7 Hydraulic Excavator
• Contact breaker gap (dwell angle) check for Komatsu PC450-7 Hydraulic Excavator
• Intensive maintenance for Komatsu PC450-7 Hydraulic Excavator
• Mixture adjustment check for Komatsu PC450-7 Hydraulic Excavator
• Road test for Komatsu PC450-7 Hydraulic Excavator
• Roadwheel security check for Komatsu PC450-7 Hydraulic Excavator
• Seat belt check for Komatsu PC450-7 Hydraulic Excavator
• Spark plug check for Komatsu PC450-7 Hydraulic Excavator
• Spark plug renewal for Komatsu PC450-7 Hydraulic Excavator
• Steering and suspension security check for Komatsu PC450-7 Hydraulic Excavator
• Throttle damper operation check for Komatsu PC450-7 Hydraulic Excavator
• Timing belt renewal for Komatsu PC450-7 Hydraulic Excavator
• Tyre checks for Komatsu PC450-7 Hydraulic Excavator
• Underbody inspection for Komatsu PC450-7 Hydraulic Excavator
• Wiper blade check for Komatsu PC450-7 Hydraulic Excavator

This workshop service manual is a comprehensive guide for maintaining and repairing the Komatsu PC450-7 Hydraulic Excavator, suitable for both professional mechanics and DIY enthusiasts.