TM 5-3805-260-24AIR INLET AND EXHAUST SYSTEM1. Air inlet pipe. 2. Pipe plug. 3. Mounting flange for the air cleaner. 4. Fitting. 5. Positive crankcase ventilatorvalve. 6. Inlet manifolds. 7. Valve cover. 8. Exhaust manifolds.The air inlet system is on the top side of the engine.The air cleaner goes on air inlet pipe (1). The air inletpipe sends air to both cylinder heads.The air inlet pipe can not be turned end for endbecause the mounting flange for the air cleaner (3) has asmall angle toward the front of the engine. The air inletmanifolds (6) are made as a part of the cylinder heads.The air inlet openings and the design of the combustionchamber give the air needed for complete combustion.The exhaust system is on each side of the engine.The exhaust manifolds (8) are along theoutside of the cylinder heads. The exhaust manifold forthe right side of the engine will not go on the left side ofthe engine. The exhaust manifold for the left side of theengine will not go on the right side of the engine.A positive crankcase ventilator valve (5) goes onvalve cover (7). Valve (5) will return crankcase fumes tothe engine through air inlet pipe (1).Valve cover (7) can also be put on the other cylinderhead. When valve cover (7) is put on the other cylinderhead, fitting (4) must be exchanged with pipe plug (2) inthe air inlet pipe (1).2-12
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