2007 Komatsu PC400LC-8 Galeo Hydraulic Excavator Shop Manual

• Details the 2007 Komatsu PC400LC-8 Galeo hydraulic excavator (Serial A88001 and up, SAA6D125E-5 engine)
• Official Komatsu publication CEBM018801, first edition December 2007
• Spans 102 pages of specifications, wiring diagrams, and hydraulic function schemas
• Provides factory-authorized hydraulic pressure settings and pump controller logic for the 8-series build

Component and System Technical Walkthrough

This factory manual breaks down the technical structure and maintenance standards of the Komatsu PC400LC-8 Galeo. You get direct access to essential specifications. Chapters thoroughly address the engine cooling system, power train, undercarriage, and hydraulic control circuits. This includes detailed functional data for LS valves, PC valves, and EPC solenoid operations. Working on heavy construction equipment requires strict adherence to factory safety protocols to prevent severe injury or machine damage. The documentation serves as a reliable reference for SAA6D125E-5 engine integration, mapping out structural tolerances for the track frame, carrier rollers, and sprocket assemblies.

Specification Highlights and Reference Data

Accurate data is critical on the shop floor. The reference sections provide essential torque tables for bolts, hose nuts, and split flange connections to ensure secure assembly. Need hydraulic benchmarks? Pump performance is fully documented. You will find output values for the HPV160+160 variable displacement pump rated at a 37.8 MPa set pressure. Undercarriage maintenance data lists wear limits for sprocket tooth width at 87 mm, while track roller interference limits for roller and bushing assemblies are tightly defined at 0.015 to 0.100 mm. Additionally, the manual lists exact component weights, such as the 9,220 kg counterweight and the 3,290 kg boom assembly. This helps you plan safe lifting and rigging operations during major overhauls.