Question about Air Tools & Compressors
Compressor is leaking oil out inlet when compressor is shut off.
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Posted on Jan 02, 2017
SOURCE: air compressor leaking
The problem that you are having is caused by the in tank check valve not holding the tank pressure. Simple test is to carefully loosen air-hose that feeds air to tank and check for air leaking. Replace check valve if leaking. Generic parts may be used. Enjoy
Posted on Dec 07, 2008
SOURCE: compressor oil
PLease contact IR http://www.irtools.com/serviceandsupport/techpubs.aspx
and direct this question to them. You do not want to make a mistake here as it will cost you a compressor. I would only accept what IR says is acceptable
Posted on Mar 17, 2009
The needle valve that you see is the unloader which releases air pressure from the discharge line after set pressure is obtained. If air continues to leak after the compressor shuts off, the check valve installed in the tank is leaking air out of the tank. Follow the air discharge line from the compressor to the tank. There you will find a brass valve which is the check valve. Simple test is to remove the smaller airline (1/4") from the brass valve and check for air leaking. If leaking remove brass valve and check for debris under the white seat. If you cannot clean the valve, replace with generic check valve from www.grainger.com. It will cost less than factory part. Just order the valve considering the fitting sizes that you need. For exact replacement,( www.sears.com parts). If you sears model # begins with WL then your compressor is made by campbell hausfeld and parts may be ordered from www.chpower.com. Good Luck with you repair and email if you have more questions.
Posted on Mar 21, 2009
The brass fitting that goes into my DD2T2 seems to have a hole in it and it looks impossible to remove without ruining a major gasket due to the close tolerance in replacing the fitting. Am I missing something?
Posted on Sep 15, 2009
The compressor will not auto shut off until it reaches the preset pressure which is usually around 100-130 psi - your problem is leakage of air from the oil filler cap suggesting that you have a failed internal valve.
Posted on Sep 24, 2009
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