On a diesel engine, using a distributor type air starting system, that is not running, which of the following methods may be used to detect leaking air starting valves?

Question

Accepted Answer

Open the cylinder test cocks and check for blowing air.

Answer

Check the position of the air start valve cams.

Answer

Stop the air compressor and check for pressure drop throughout the system.

Answer

Feel each air supply line to see which is warm from leaking air.

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