Quote:
Originally Posted by CMcAllister
ON is open in either direction. OFF is closed stopping oil from moving to the engine while allowing it to charge the can until pressure is equalized with engine pressure. Having the valve ON while on track, as opposed to using a pressure switch, allows the accumulator to "catch" a sudden pressure drop before it reaches a low point and keep the galleries full, since the can is charged to engine oil pressure. Having it open all the time requires the oil pump to recharge the can every time the engine is started since it will dump into the engine with the valve open. An electric valve also allows mounting in places that may be difficult to get to in order to operate a manual valve. I quickly found it inconvenient to have to start the engine, allow the can to charge, close the valve and shut the engine off at the end of the day. Just my experience with it.
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Do you have a separate switch for the unit or just tie into the ign switch? Engine running, it's open, engine off, closed?