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Posted on Jan 02, 2017
How old is the compressor ? This trouble shooting is directed to the vane and screw types of air compressors.
For exact information on the equipment you are working on, go to the manufacturer’s maintenance and repair manual.
Here are some possibilities.
Compressor does not reach design pressure or capacity:
Air Pressure safety valve is leaking
Receiver air valve is open
Unloader valve is leaking
Loose Piping or fittings
Compressor will not load or unload:
Unloader valve defective
Air control valve is sticking or dirty
Unloader pressure is improperly set too high or too low
Water in the control lines
Plugged control lines
The air compressor CFPM is low:
Dirty air compressor air filter
Defective air intake control valve
High idle on power source improperly set
Damaged or worn rotor blades
Posted on Nov 25, 2008
Ingersoll rand parts and manuals are available at www.grainger.com, or call you local grainger store, they have a very good customer service for faxing parts lists to your place. Notice: some Ingersoll rand compressors have been recalled. Check the address below. If you have general questons about a problem that you are having, post again. Good Luck
Posted on Jan 10, 2009
More than likely it is a problem with the inlet control, commonly I have found wear in the throttle linkage can cause this or a faulty sump pressure sensor that is out of calibration.
Posted on Mar 07, 2010
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