Ingersoll Rand P100D unloader Valve repair

by Bryce
(Boise, Idaho)

Ingersoll Rand P-100 compressor

Ingersoll Rand P-100 compressor

I have a IR P100D which pukes oil out the air intake when I shut it down. I ordered a new diaphragm as I expected it to be the issue.

Now I'm unsure how to re assemble so as not to cause another problem.
How do I get the piston spring compressed to re-assemble.

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