This comprehensive workshop manual provides detailed instructions and guidance for troubleshooting and repairing the QSV81 and QSV91 engine generator sets, along with the CM700 engine.

The manual covers a wide range of topics, including:

* **Engine basics:** Identifying engine components, understanding various systems (fuel, lubrication, cooling, etc.), and a general overview of operation.
* **Troubleshooting:** A systematic approach to diagnosing and resolving common engine problems, with detailed troubleshooting charts and specific steps for addressing various symptoms.
* **Component-specific service:** In-depth instructions for servicing each major engine component, including bearings, crankshaft, pistons, cylinder head, rocker arms, cam followers, fuel system, lubrication system, cooling system, air intake system, exhaust system, electrical components, and the generator itself.
* **Technical specifications:** Comprehensive specifications for the engine and generator set, including dimensions, fluid capacities, torque values, and recommended fluids.

Whether you're a seasoned mechanic or a DIY enthusiast, this manual will empower you to effectively maintain and repair your engine generator set.