How to install the fan belt of Shangchai National IV four-cylinder engine:
1. Use a wrench to tighten the developer motor bracket nut.
2. Loosen the rail screws and push the generator toward the engine.
3. Push the generator back after replacing the belt.
4. Use a crowbar to lift the generator firmly, tighten the rail screws, then tighten the bracket nuts, and you're done.
In a gasoline internal combustion engine, a certain proportion of oil and gas mixture enters the cylinder. It is compressed by the piston and ignited by the spark plug. It is the deflagration which pushes the piston to work. .
The ratio of oil-gas mixture in the cylinder should be within the hardtop range. Anything more or less will affect the success of the detonation. If the damper is wide open and the air rate increases, the motor will essence will inevitably not work properly.