When adjusting the valve clearances on the engine, Technician A says the valves are closed when the valve lifter or follower is on the inner

Question

When adjusting the valve clearances on the engine, Technician A says the valves are closed when the valve lifter or follower is on the inner base circle of the camshaft lobe. Technician B says that valves are always adjusted when closed while the lifter or follower is on the camshaft lobe nose. Who is correct?

A. Technician A only
B. Technician B only
C. Both A and B
D. Neither A nor B

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King 1 year 2021-07-20T21:25:19+00:00 1 Answers 28 views 0

Answers ( )

    0
    2021-07-20T21:26:55+00:00

    Answer:

    A. Technician A only

    Explanation:

    The camshaft opening ramp is what opens the valve, it starts at the basement of the inner circle and closes at the nose while the camshaft closing ramp allows for closing a valve starts at the nose and closes at the inner base circle. Valve clearance on an engine are performed when closing a valve, and is completed when the valve lifter or follower is on the inner base circle of the camshaft lobe.

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