I bought a second hand compressor off trade me. Cost me a $141 vs buying it new from Super Cheap Autos for $250
Got it home and first deiscovered it had the wrong type of air fittings. So had to go and buy the parts to make an adaptor. $18.
Found a label hanging off the oil filler plug saying to remove the filler plug and fit the supplied air breather. Well that wasn't supplied when I bough it so there is another $9
It seemed to charge up with air ok, but the output pressure wouldn't stay constant and the regulator seemed to vent pressure at weird times. I decided there must be some dirt or something blocking it, so I took it off to take to bits, in doing so I discovered an arrow on the body. The arrow was pointing back into the compressor, which seemed odd, I figured it was supposed to show flow direction. A qucik call to a friend who used to work at Norgren confirmed this. So I moved all the fittings around and put it back on the compressor, great that now works. Muppets at Super cheap or their suppliers.
Next problem, the pressure switch appears to have about a 2.5 bar differential. This means that even with it set to turn off a 8 bar, it wont turn on again until somewhere between 5 & 5.5 bar. The switch itself is a cheapy and has no adjustment for differential.
I have two choices, either try and figure out the mechanics behind the differnetial and try and "adjust" it, or replace it. Thats another $50 + postage.
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