FUSO 4M4 – INTAKE AND EXHAUST – STRUCTURE AND OPERATION – Air Cleaner

• The air cleaner is a single element type.

• When the engine slows down below the predetermined speed, the level of vacuum in the air cleaner changes and causes the unloader valve to vibrate.
Vibration of the unloader valve allows the air cleaner to automatically discharge any water and dust that has accumulated inside.

 

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