JOY 185 air compressor dying after it spolls up when returning to idle

by Charles Clark
(Inyokern, Ca)

I have a Joy 185 I guess it an old John Deere motor in it. I has a brand new rebuilt Injector Pump new injectors a lifter fuel pump it starts right up but when you switch it to run/work mode it powers up spools up the air and then once the air pressure is created and it starts to idle back down a little it dies.

Comments for JOY 185 air compressor dying after it spolls up when returning to idle

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Jan 26, 2018
185 dies
by: Doug in s.d.ca.

Usually, there's a valve on the screw intake. That should be closing as it idles down. If it stays open, troubleshoot that.

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