Description

Komatsu PC600-8, PC600LC-8 Workshop Manual – 1,067 Pages of Factory-Grade Data

If you’ve ever been halfway through a hydraulic pump rebuild and realized the aftermarket manual gave you the wrong clearance specs, you know the drill. That kind of waste costs time and money. The Komatsu PC600-8, PC600LC-8 Workshop Manual is the original factory document – not a reprint, not a third-party compilation. It’s what Komatsu ships to dealers. 1,067 pages of procedures that came off the same engineering prints used to build the machine.

This manual covers both the PC600-8 and PC600LC-8 models, serial numbers 30001 and up. You get specification drawings, working range diagrams, weight tables, and the full fuel, coolant, and lubricants table. The table of contents runs from section 00 (Index and foreword) through section 50 (Disassembly and assembly). Every bit of data is traceable to factory form numbers like SEN00128-16.

What This Manual Covers: 1,067 Pages of OEM Content

Section 10 alone splits into six sub-sections: engine and cooling system, power train, undercarriage, hydraulic system Part 1, hydraulic system Part 2, work equipment, cab, and electrical system. The hydraulic part is broken out into separate volumes because on a 60-ton excavator the control valve, swing motor, travel motor, and holding valves each have their own test specs. Don’t expect generic diagrams – these are the actual Komatsu piping drawings.

Komatsu PC600-8, PC600LC-8 Operators Manual – OEM Safety & Maintenance is a separate document for daily operation, but for tear-down and rebuild you need this workshop manual.

The power train chapter covers final drive, sprocket, swing circle, and swing machinery. If you’re replacing a sprocket, page 20 shows the standard service values for chassis components including clearance limits and wear tolerances. That page is part of section 20’s standard value table – not a guesswork chart.

Standard Torque Tables: Why OEM Specs Matter

The foreword includes a standard tightening torque table and a conversion table. Those are the numbers Komatsu’s own assembly line uses. For critical fasteners like cylinder head bolts or swing circle bolts, using aftermarket torque values can lead to leaks or structural failure. This manual gives you the exact Nm and lbf-ft for every threaded connection on the machine.

Komatsu PC600-8 / PC600LC-8 Workshop Manual – 949 Pages OEM is another variant but the content structure matches. Stick with the full 1067-page version for complete coverage.

Section 30 (Testing and adjusting) is where you’ll find procedures like measuring engine speed, adjusting valve clearance, testing EGR valve drive oil pressure, and bleeding the fuel circuit. Each procedure lists required tools – not just “use a wrench” but specific Komatsu tool numbers where applicable.

Hydraulic System Diagnostics: Part 1 and Part 2

The hydraulic system is split into two parts for a reason. Part 1 covers the pump, tank, filter, cooling fan pump and motor. Part 2 dives into the control valve, swing motor, brake valve, set pressures varying mechanism, and the PPC (pilot pressure control) valves. The manual includes a hydraulic piping drawing so you can trace lines without pulling the whole cab apart. If you’re chasing a swing brake that won’t release, section 10 Hydraulic system Part 2 has the specific valve breakdown.

For electrical diagnostics, section 40 covers troubleshooting by failure code (display of code) in three parts, plus E-mode, H-mode, and S-mode troubleshooting. The KOMTRAX system, sensors, and machine control system diagram are all here. No need to hunt for a separate wiring book – it’s inside this manual.

Does This Manual Include Wiring Diagrams?

Yes. The electrical system chapter (section 10 Electrical system) includes the machine control system diagram and the monitor system. Section 40 troubleshooting includes failure code tables and fuse locations. For example, if you get a code related to the engine control or EGR, the manual walks you through the measurement points and expected voltages.

If you’re accustomed to reading schematic diagrams for a Manual Transmission gearbox, the same logical approach applies here – but this manual’s diagrams are specific to the excavator’s joystick and solenoid control circuit. For general electrical theory, you might reference a separate resource like Manual Transmission fundamentals, but for the PC600-8 the factory diagram is all you need.

Use This Manual Right – On the Bench

Put this PDF on a tablet or print the pages you need. The manual includes safety notices and precautions for handling electric equipment, hydraulic components, and connectors. It also explains how to read electric wire codes and the push-pull type coupler procedure. Don’t skip the foreword – it tells you how to interpret the maintenance standard terms. That’s the difference between a successful rebuild and a call to the dealer.

Komatsu PC600-8, PC600LC-8 Workshop Manual – OEM Shop Specs is another listing for the same document. Buy whichever fits your budget, but make sure you’re getting the factory version.

Section 50 disassembly and assembly covers general info and is the final section. Use it in conjunction with the standard value table to know when parts are worn beyond tolerance.

Is this manual for the PC600-8 only?

It covers both the PC600-8 and PC600LC-8.

How many pages does it have?

1,067 pages of OEM content.

Does it include torque specs for the final drive?

Yes. The standard tightening torque table in the foreword covers all general fasteners, and section 20 includes specific chassis values for the final drive, sprocket, and track components.

What about troubleshooting electrical problems like no-start or error codes?

Section 40 is dedicated to troubleshooting. It includes failure code tables, fuse locations, and three separate troubleshooting modes: by failure code (display of code), electrical system (E-mode), hydraulic and mechanical (H-mode), and engine (S-mode). The electrical system chapter also provides the machine control system diagram and KOMTRAX system info. If you have a code, you can find the diagnostic procedure here.

Stop guessing with generic repair advice. Access the Factory Manual and get the genuine Komatsu specification for your PC600-8 or PC600LC-8 excavator.