A hydraulic cylinder is fitted with a cushioning device. The piston abruptly slows towards the end of its stroke, then continues to creep to the completion of its stroke. Which of the following represents the probable cause?

Question

Accepted Answer

The cushion adjustment needle valve is not open sufficiently.

Answer

The rod wiper is jammed in the cushion spear.

Answer

The exhaust oil is flowing freely through the cushion nose.

Answer

The cushion adjustment needle valve is open too far.

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