IR P375 Tow Behind, Replaced coupler and no air.

by Matt
(N. Chelmsford, MA)

Bill,


We have a P375WCU IR Diesel Tow behind compressor that the coupler between the engine and the compressor let go and we replaced it. Now it will NOT build air. We are Diesel engine mechanics but no idea on how to address this issue. Matt

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Dec 20, 2016
Replaced coupler
by: Doug in s.d.ca

If the coupler is installed correctly and turning the screw, then I'd guess something else was disconnected in the replacement process, either on purpose or by accident.

Does the engine rev up? If not, that would suggest it thinks there's pressure already - pressure sensor disconnected, for example.

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