AIR INLET AND EXHAUST SYSTEM
SYSTEMS OPERATION
AIR INLET AND EXHAUST SYSTEM
(Marine Engines)
1. Air inlet pipe. 2. Pipe plug. 3. Mounting flange for the air cleaner. 4. Fitting. 5. Positive crankcase
A positive crankcase ventilator valve (5) goes on
Valve cover (7) can also be put on the other
valve cover (7). Valve (5) will return crankcase fumes to
cylinder head. When valve cover (7) is put on the other
the engine through air inlet pipe (1).
cylinder heads fitting (4) must be exchanged with pipe
plug (2) in the air inlet pipe (1).
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