1992 Komatsu PC200-5, PC200-5 MIGHTY, PC200LC-5, PC200LC-5 MIGHTY, PC220-5 & PC220LC-5 Excavator Shop Manual (P/N SEBM02050508)

This official 662-page Komatsu OEM shop manual provides the primary technical documentation for the 1992 PC200-5 and PC220-5 machinery series.

• Covers the 1992 Komatsu PC200-5, PC200-5 MIGHTY, PC200LC-5, PC200LC-5 MIGHTY, PC220-5, and PC220LC-5 hydraulic excavators across designated serial ranges
• Official Komatsu publication form number SEBM02050508, dated 02–92
• Contains detailed hydraulic circuit diagrams, component weights, and standard tightening torque tables
• Delivered as a comprehensive PDF featuring diagnostic routines, troubleshooting procedures, and essential heavy equipment repair data
• Explains step-by-step disassembly and assembly steps for the Open center Load Sensing System (OLSS), center swivel joint, final drive, track frame, and TVC valve

System Architecture and Components

This manual documents the mechanical infrastructure for the 1992 excavator lineup. Chapters deliver in-depth technical breakdowns of the chassis and complex hydraulic circuits. You get specific details outlining the structure and function of variable-displacement pumps, control valves, travel motors, and swing machinery. The publication clearly separates information for both standard and MIGHTY configuration variants.

By utilizing the detailed teardown instructions, independent mechanics can confidently tackle complex, in-house component rebuilds—such as overhauling the main hydraulic pump or rebuilding the final drive—drastically reducing downtime and saving thousands on dealership repair bills. Inside, specialized sections focus on testing and adjusting hydraulic system pressures. Technicians can use the reference material to accurately troubleshoot electrical wiring codes and verify standard component clearances. Visual aids significantly enhance the process; the documentation is fully supported by exact Wiring diagrams, electrical circuit diagrams, track shoe selection tables, pump delivery volume charts, cut-off control graphs, and spool cross-section views.

Need to prep a machine for winter? The manual provides comprehensive lubrication and coolant capacity charts categorized by ambient operating temperatures. Essential reference data spans maintenance standards and assembly specifications for the S6D95L and SA6D95L engines. When verifying these metrics in the field, always observe standard shop safety protocols and completely relieve system pressure before interacting with any hydraulic lines to prevent high-pressure injection injuries.

Expert Insights on Dash-5 Hydraulic Systems

When evaluating hydraulic sluggishness on the 5-series excavators, mechanics sometimes misdiagnose a lagging system as a catastrophic main pump failure. Often, the true root cause is simply a sticking TVC (Torque Variable Control) valve or an uncalibrated NC valve within the OLSS network. Properly measuring the jet sensor differential pressure before tearing into the pump prevents these costly and unnecessary parts swaps.

Key Specifications

The documentation outlines strict baseline metrics required for proper machine evaluation. Standard bolt torque values for M39 fasteners are rated at 3280 ± 340 Nm within the specification tables. Hydraulic tank capacity sits at exactly 240 liters. Finally, the component data section defines the travel motor rated pressure at a precise 340 kg/cm².