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Maintenance Guide

This manual is an official maintenance technical document for Komatsu (Komatsu) PC800-8E0, PC800LC-8E0, PC800SE-8E0, PC850-8E0, PC850SE-8E0, PC850SE-8E0 large hydraulic Excavator. The Engine model is Komatsu SAA6D140E-5, 6-barrel, 15.24L, with electro-controlled high-voltage co-orbiting with the EGR system. The manual covers whole machine parameters, structural principles, hydraulic and electrical control systems, standard values, methods of testing and adjustment, fault code diagnosis (E/H/S model), mechanical and Hydraulic System failure screening, total dismantling steps, maintenance standards, fluid and tight rectangular data, and complete hydraulic and circuit drawings. Applies to maintenance technicians, equipment managers, technical training and failure rapid positioning as core technical material for in-depth repairs and maintenance

KomatsuKOMASU PC800PC800LC PC800SE PC850PC850SE Series-8E0 hydraulic Excavator2HOLD with EngineSAA6D140E-5 structural function test to unload circuit hydraulic drawings

2026-05-17 Updated Views:

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