In diesel engines 9CB350-IIPC exhaust valves are mounted in a water-cooled housing. Camshaft installed in a compartment of the block casing and is driven by the crankshaft through a gear transmission. Y reversing diesels on camshafts attached removable fist puck forward and reverse. Camshafts irreversible diesels are made integral with the fist-washers. Actuator Valve boom. …