KOMATSU PC138US -8 PC138US-8 Excavator Workshop Manual

This workshop service repair manual is for the KOMATSU PC138US-8 PC138US-8 hydraulic excavator, including the operation & maintenance manual. It is applicable for the KOMATSU hydraulic excavator PC138US-8 from serial number 20001 & up GALEO and PC138USLC-8 from serial number 20001 & up GALEO. The manual covers the 3.3L 4-cylinder in-line, 4-cycle, water-cooled, turbocharged/after cooler, KOMATSU SAA4D95LE-5 engine.

The contents of the manual include general information, safety precautions, tightening torque, specifications, maintenance standards, check and adjustments, special tools, structure and function, power take off, radiator and oil cooler, power train-swing circle, swing machinery, track frame-idler cushion, hydraulic component layout, valve control, hydraulic tank and filter, hydraulic pump (piston pump), control valve-CLSS, suction safety valve, self-pressure reducing valve, travel motor (final drive), swing motor-solenoid valve, PPC accumulator, accumulator for breaker (opt), air-conditioner, monitor panel assembly, electric component layout, engine control, electric control system, monitor system, cylinder head assembly, injection pump assembly, engine and main pump assembly, radiator, hydraulic oil cooler, hydraulic oil cooler assembly, after cooler assembly, center swivel joint, track roller-track shoe, boom, bucket, arm, swing control, hydraulic cylinder, counterweight, controller assembly, troubleshooting, hydraulic circuit diagram, and electric circuit diagram.

This comprehensive manual is available in .PDF format and features detailed exploded views. It provides step-by-step written procedures with pictures and diagrams, fully printable-selected pages or the whole manual, illustrated for repairs, maintenance, and servicing. Whether you are a professional mechanic or a DIY enthusiast, this manual is an invaluable resource for maintaining and repairing your KOMATSU PC138US-8 PC138US-8 hydraulic excavator.