Which of the following statements describes the function of the unit shown in the illustration as found on some medium speed diesel engines? See illustration MO-0125.

Question

Accepted Answer

The arrangement is used to position the cam shafts for the desired direction of engine rotation.

Answer

The wye arrangement provides variable positioning of the intake port dampers.

Answer

The braking unit prevents engine rotation by the engagement of brake splines into the ends of the camshaft.

Answer

The reciprocating action of the device provides prestart lubrication to the cylinder walls.

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