A. The device should be set to relieve at a pressure not more than 40 percent in excess of the maximum firing pressure. B. The valves should be set to just stop relieving with the engine running at full speed. C. Cylinder relief valves should only be adjusted by an authorized repair facility with the permission of the OCMI. D. Cylinder relief valves are no longer required for large low speed engines due to advancements in combustion engineering. « Previous Next »
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