Question about Midwest Air Technologies Air Tools & Compressors
The lable states to fill the oil full at each use once started the oil runs out thru the oil cap and looks like suds and yellow in color
Posted by Anonymous on
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Posted on Jan 02, 2017
you should be able to find the manual online if it's available if not Sears would I'm sure be able to tell you.
Posted on Dec 20, 2008
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
sounds like you need a new check valve which should be somewhere between the compressor outlet piping,tubing,etc and the tank which prevents the air in tank to back feed to the compressor which would cause hard starting and could damage the motor easy way to check is when you shut off the compressor with some air in the tank if the check valve is bad it would continue to bleed air out out the unloader valve .the unloader valve on your unit is most likely part of the pressure switch when the unit shuts of it should only bleed down the pressure in the pump so it would make it easy to start when needed hope i didn't confuse you
Posted on Mar 23, 2009
SOURCE: Oil type & owners manual
here is the oil you need. Manual is NLA. Eric http://www.kmart.com/shc/s/ProductDisplay?sid=KAx20061023x272xTier3&aff=Y&vName=Tools&CustomerMemberID=tfc_-_9_1_090811_cbdc17f8236de8319108ad3e858ffcf6&catalogId=10104&sName=Air%20Compressor%20Accessories&AirTools=&cName=AirCompressors&partNumber=9990000031945111P&storeId=10151
Posted on Aug 11, 2009
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