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How do I hotwire AC clutch for removal? 700 1987

posted by  B.C. on  Thu Jul 17 17:55 CST 2003
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last visit: Wed Mar 28 22:28 CST 2012
[RELATED]

Hi -

I really don't know exactly how to hot wire the clutch on a 740 a/c Diesel Kiki compressor. I have all 240s. This is an estimate.

Usually there is a single wire from the clutch, black or just real grimy, that runs towards the back of the compressor. Somewhere, maybe near the compressor, there should be a connector which can be disconnected, thus isolating the clutch. Then you can apply 12v to the wire to the clutch from whatever is near.

I do have a question about one thing in your post:
"The clutch is slipping, and the compressor turns freely w no binding"
If the clutch is slipping, how can you turn the compressor?

I would try this: With the drive belt removed, hot wire the clutch and then see how the compressor spins. BTW, In my experience the clutch can slip because of a loose drive belt - in a 240 which may not be the case in a 740.

Good Luck,

Bob

:>)





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