While troubleshooting intermittent failures of the ship service refrigeration system you suspect the problem is with the lube oil pressure differential switch. The recommended course of action would be:

Question

Accepted Answer

Replace the switch as there is generally no adjustments available on the switch.

Answer

Decrease the time delay setting and see if problem persists.

Answer

Increase the switch setting and see if problem persists.

Answer

Lower the switch setting and see if problem persists.

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