Leroi 160 idle and operating rpm, air pressure low

by Adam olson
(Geneseo,il)

I have a leroi 160 from 1976.. rotary screw compressor.. the problem I'm having is the engine will fire up and idle with air valve open, it only makes 40 psi.. then if I shut the ball valve the pressure shoots to 120 no problem..it's equipped with a ih gas 4 bang.

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Apr 01, 2017
Leroi 160 idle and operating rpm
by: Doug in s.d.ca.

In other words, the problem is the engine control not revving so it maintains pressure?

Is the valve either open or closed, or can you get intermediate opening?

This could be as simple as a broken spring on the throttle.

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