Reply to "AC/DC mixed consists"

Hot WaterOGR Forum Member SUPPORTING MEMBER

Hot Water posted:
PRR 5841 posted:
I think the only situation that WILL trigger an automatic shut-down in most locomotives is low oil pressure. Jack, is my assumption correct?
Correct.

EDIT: In fact there are a number of "events" that will cause the prime mover to shut down, besides low oil pressure:

1) Loss of vacuum in the crankcase, will trip the "CCOP" protector, which causes the governor to see "low oil pressure" and shut down.

2) The "Low Water" protector will also cause the governor to see "low oil pressure" and shut down.

3) The "hot oil" device also causes the governor to see "low oil pressure" and shut down.

4) The engine over-speed trip, which is a mechanical counter-weight system mounted on the camshaft gears at the front of the engine, which causes a shut down.

1/17/208:50 AM

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