SOURCE: Air leakage through pressure switch needle
1)Let your unit pump up.
2)Turn it off.
3)Find the supply line from the pump to the tank.
4)Remove the supply line from the pump head.
5a)If you hear air coming from the tank you have a bad check valve.
5b)If you do not hear air coming from the tank, you have a leaky
pressure switch.
SOURCE: A DIRECT DRIVE COMPRESSOR & THE PRESSURE SWITCH IS FAULTY
STOP! Your pressure switch is doing what it is supposed to, but the tank check valve is leaking. This valve is usually at the tank where the line from the compressor head enters the tank. The small tube line from the pressure switch probably also goes to this valve. You'll need to clean or replace it.
SOURCE: I need a pressure switch for MDL# WL 506206 AJ It's a Condor LR 59232-3
Hi mark25338
If you do not want to retire your compressor just as of yet, then I recommend that you go to a place like Grainger (go to the link) and tell them what you have and what you need,They can help you figure out a replacement pressure switch for the compressor...it may take a little "jury rigging" but it will work with a different pressure switch...as all the pressure switch does is shut off and on with pressure.
Please take time to rate me
Bud
http://www.grainger.com/Grainger/wwg/start.shtml
Here is the page with the pressure switches.
http://www.grainger.com/Grainger/wwg/search.shtml?searchQuery=pressure+switch+for+compressor&op=search&Ntt=pressure+switch+for+compressor&N=0&GlobalSearch=true&sst=subset
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