1995-1996 Komatsu PC300HD-6 & PC300LC-6 Hydraulic Excavator Shop Manual, 53.17 MB - Printable

Technical Scope of the 1995–1996 Komatsu PC300LC-6 and PC300HD-6 Workshop Manual

• Built for owners and workshops servicing the 1995–1996 Komatsu PC300LC-6 and PC300HD-6 hydraulic excavators
• Official Komatsu publication P/N CEBM3006C2, dated June 1996
• Contains 80 detailed system diagrams and 15 mechanical component exploded views
• Indexed PDF search covers every chapter and appendix
• Accessible from your device as soon as the order is placed
• Laid out for standard letter and A4 printing
• This 1996 first edition serves as the master chassis and hydraulic repair document for both the LC-6 and HD-6 series units

Component and System Documentation

The 1995–1996 Komatsu PC300LC-6 and PC300HD-6 shop manual documents the technical parameters and structural layout for these heavy-duty machines. It provides structural and functional explanations for the engine-related components, including the dampener assembly and radiator cooling configurations, alongside detailed breakdowns of the power train. The document details the internal design of the final drive, swing machinery, and hydraulic systems, such as the main pumps, control valves, and suction safety valves.

Additional sections focus on the track frame and recoil spring architecture, providing guidance on track shoe selection and track roller configurations. The text covers the Closed Center Load Sensing System (CLSS), detailing its basic principles, pressure compensation, and load relief operation. Comprehensive schematics illustrate hydraulic piping and circuits for the multi-spool valve arrangements found in these models.

Specification and Reference Data

This manual provides extensive technical data, including standard bolt and nut tightening torques, with specific tables for split flange bolts and flaired nuts. The text includes detailed fluid capacities for hydraulic systems, swing machinery, and engine cooling, along with unit conversion tables for metric and imperial standards. Electrical system reference data features wire code classifications by thickness and color, providing pinout-level detail for machine wiring. Reference values for hydraulic pump delivery, relief valve pressure settings, and swing motor torque are documented throughout the maintenance standards sections. An official 763-page Komatsu OEM workshop manual covering the 1995–1996 PC300LC-6 and PC300HD-6, documenting engine, chassis, hydraulic, and electrical specifications for the A80001 and up serial series.