Komatsu PC400LC-7 Hydraulic Excavator Repair Service Manual

This workshop repair service manual is for the Komatsu PC400LC-7 Hydraulic Excavator, with serial number 50001 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 PC400LC-7, as well as procedures for routine maintenance, servicing, and diagnostic and repair procedures. It is useful for both professional mechanics and DIY enthusiasts.

For those intending to do maintenance and repair on their Komatsu PC400LC-7 Hydraulic Excavator, it is essential that safety equipment be used and safety precautions observed when working on the excavator. This includes a torque wrench to ensure that fasteners are tightened in accordance with specifications. In some cases, the text refers to special tools that are recommended or required to accomplish adjustments or repairs. These tools are often identified by their Komatsu PC400LC-7 Hydraulic Excavator special tool number and illustrated.

The manual provides information such as tune-ups, maintenance, removal & install procedures, assemblies & disassemblies, fuel system, ignition, lubrication system, exhaust, electrical system, and more extensive repair involving engine and transmission disassembly. It is available in English and is in .PDF format for easy electronic delivery via email.

This workshop service manual is a valuable resource for anyone looking to better understand and perform repairs on the Komatsu PC400LC-7 Hydraulic Excavator.

• General Information for Komatsu PC400LC-7 Hydraulic Excavator
• Maintenance for Komatsu PC400LC-7 Hydraulic Excavator
• Lubrication for Komatsu PC400LC-7 Hydraulic Excavator
• Heating for Komatsu PC400LC-7 Hydraulic Excavator
• Ventilation for Komatsu PC400LC-7 Hydraulic Excavator
• Air Conditioning for Komatsu PC400LC-7 Hydraulic Excavator
• Suspension for Komatsu PC400LC-7 Hydraulic Excavator
• Front Suspension for Komatsu PC400LC-7 Hydraulic Excavator
• Rear Suspension for Komatsu PC400LC-7 Hydraulic Excavator
• Wheel for Komatsu PC400LC-7 Hydraulic Excavator
• Tire System for Komatsu PC400LC-7 Hydraulic Excavator
• Differential for Komatsu PC400LC-7 Hydraulic Excavator
• Driveline for Komatsu PC400LC-7 Hydraulic Excavator
• Drive Shaft for Komatsu PC400LC-7 Hydraulic Excavator
• Transfer Case for Komatsu PC400LC-7 Hydraulic Excavator
• Brakes for Komatsu PC400LC-7 Hydraulic Excavator
• Engine for Komatsu PC400LC-7 Hydraulic Excavator
• Engine Mechanical for Komatsu PC400LC-7 Hydraulic Excavator
• Engine Cooling for Komatsu PC400LC-7 Hydraulic Excavator
• Engine Fuel for Komatsu PC400LC-7 Hydraulic Excavator
• Engine Electrical for Komatsu PC400LC-7 Hydraulic Excavator
• Ignition System for Komatsu PC400LC-7 Hydraulic Excavator
• Starting for Komatsu PC400LC-7 Hydraulic Excavator
• Charging System for Komatsu PC400LC-7 Hydraulic Excavator
• Emissions for Komatsu PC400LC-7 Hydraulic Excavator
• Engine Exhaust for Komatsu PC400LC-7 Hydraulic Excavator
• Engine Lubrication for Komatsu PC400LC-7 Hydraulic Excavator
• Engine Speed Control System for Komatsu PC400LC-7 Hydraulic Excavator
• Clutch for Komatsu PC400LC-7 Hydraulic Excavator
• Cooling for Komatsu PC400LC-7 Hydraulic Excavator
• Electronic Control Modules for Komatsu PC400LC-7 Hydraulic Excavator
• Engine Systems for Komatsu PC400LC-7 Hydraulic Excavator
• Heated Systems for Komatsu PC400LC-7 Hydraulic Excavator
• Horn for Komatsu PC400LC-7 Hydraulic Excavator
• Ignition Control for Komatsu PC400LC-7 Hydraulic Excavator
• Instrument Cluster for Komatsu PC400LC-7 Hydraulic Excavator
• Lamps for Komatsu PC400LC-7 Hydraulic Excavator
• Power Systems for Komatsu PC400LC-7 Hydraulic Excavator
• Restraints for Komatsu PC400LC-7 Hydraulic Excavator
• Speed Control for Komatsu PC400LC-7 Hydraulic Excavator
• Transmission for Komatsu PC400LC-7 Hydraulic Excavator
• Exhaust System for Komatsu PC400LC-7 Hydraulic Excavator
• Body Structure for Komatsu PC400LC-7 Hydraulic Excavator
• Seats for Komatsu PC400LC-7 Hydraulic Excavator
• Security and Locks for Komatsu PC400LC-7 Hydraulic Excavator
• Air Bag System for Komatsu PC400LC-7 Hydraulic Excavator
• Exterior Trim for Komatsu PC400LC-7 Hydraulic Excavator
• Interior Trim for Komatsu PC400LC-7 Hydraulic Excavator
• Frame for Komatsu PC400LC-7 Hydraulic Excavator
• Bumpers for Komatsu PC400LC-7 Hydraulic Excavator
• Fuel System for Komatsu PC400LC-7 Hydraulic Excavator
• Steering for Komatsu PC400LC-7 Hydraulic Excavator
• Transmission and Transfer Case for Komatsu PC400LC-7 Hydraulic Excavator
• Tires for Komatsu PC400LC-7 Hydraulic Excavator
• Wheels for Komatsu PC400LC-7 Hydraulic Excavator
• Body for Komatsu PC400LC-7 Hydraulic Excavator
• Heating for Komatsu PC400LC-7 Hydraulic Excavator
• Air Conditioning for Komatsu PC400LC-7 Hydraulic Excavator
• Emissions Control for Komatsu PC400LC-7 Hydraulic Excavator
• Engine Removal for Komatsu PC400LC-7 Hydraulic Excavator
• Engine Installation for Komatsu PC400LC-7 Hydraulic Excavator
• Final Drive for Komatsu PC400LC-7 Hydraulic Excavator
• Electrical System for Komatsu PC400LC-7 Hydraulic Excavator

• Air cleaner element renewal for Komatsu PC400LC-7 Hydraulic Excavator
• Air cleaner temperature control check for Komatsu PC400LC-7 Hydraulic Excavator
• Auxiliary drivebelt check for Komatsu PC400LC-7 Hydraulic Excavator
• Battery electrolyte level check for Komatsu PC400LC-7 Hydraulic Excavator
• Battery terminal check for Komatsu PC400LC-7 Hydraulic Excavator
• Brake hydraulic fluid renewal for Komatsu PC400LC-7 Hydraulic Excavator
• Brake hydraulic system seal and hose renewal for Komatsu PC400LC-7 Hydraulic Excavator
• Brake pipe and hose check for Komatsu PC400LC-7 Hydraulic Excavator
• Choke adjustment check for Komatsu PC400LC-7 Hydraulic Excavator
• Contact breaker point renewal and distributor lubrication for Komatsu PC400LC-7 Hydraulic Excavator
• Crankcase ventilation system check for Komatsu PC400LC-7 Hydraulic Excavator
• Emission control filter element renewal for Komatsu PC400LC-7 Hydraulic Excavator
• Engine coolant renewal for Komatsu PC400LC-7 Hydraulic Excavator
• Engine idle speed check for Komatsu PC400LC-7 Hydraulic Excavator
• Engine oil and filter renewal for Komatsu PC400LC-7 Hydraulic Excavator
• Engine valve clearance check - OHV engines for Komatsu PC400LC-7 Hydraulic Excavator
• Exhaust system check for Komatsu PC400LC-7 Hydraulic Excavator
• Fluid leak check for Komatsu PC400LC-7 Hydraulic Excavator
• Fluid level checks for Komatsu PC400LC-7 Hydraulic Excavator
• Front and rear brake pad/shoe check for Komatsu PC400LC-7 Hydraulic Excavator
• Front wheel alignment check for Komatsu PC400LC-7 Hydraulic Excavator
• Gearbox oil level check for Komatsu PC400LC-7 Hydraulic Excavator
• Handbrake check for Komatsu PC400LC-7 Hydraulic Excavator
• Hinge and lock check and lubrication for Komatsu PC400LC-7 Hydraulic Excavator
• HT lead, distributor cap for Komatsu PC400LC-7 Hydraulic Excavator
• Ignition circuit check for Komatsu PC400LC-7 Hydraulic Excavator
• Ignition timing for Komatsu PC400LC-7 Hydraulic Excavator
• Contact breaker gap (dwell angle) check for Komatsu PC400LC-7 Hydraulic Excavator
• Intensive maintenance for Komatsu PC400LC-7 Hydraulic Excavator
• Mixture adjustment check for Komatsu PC400LC-7 Hydraulic Excavator
• Road test for Komatsu PC400LC-7 Hydraulic Excavator
• Roadwheel security check for Komatsu PC400LC-7 Hydraulic Excavator
• Seat belt check for Komatsu PC400LC-7 Hydraulic Excavator
• Spark plug check for Komatsu PC400LC-7 Hydraulic Excavator
• Spark plug renewal for Komatsu PC400LC-7 Hydraulic Excavator
• Steering and suspension security check for Komatsu PC400LC-7 Hydraulic Excavator
• Throttle damper operation check for Komatsu PC400LC-7 Hydraulic Excavator
• Timing belt renewal for Komatsu PC400LC-7 Hydraulic Excavator
• Tyre checks for Komatsu PC400LC-7 Hydraulic Excavator
• Underbody inspection for Komatsu PC400LC-7 Hydraulic Excavator
• Wiper blade check for Komatsu PC400LC-7 Hydraulic Excavator