See what model compressor you have most are want to say mk 246. should say on the front of the compressor or under a cover. then that is what you look under Master craft doesn't make compressors they slap their sticker on a nd call it good.
ereplacement parts good place to start.
SOURCE: lack of pressure
My air compressor builds up to 40 psi and just keeps running, i have a craftsman 5 GAL, 1HP, 125 PSI and pressure goes up to 40 psi and dose not go any higher and on the other hand engine keeps running and dose not stop. Please advise?
Thanks.
Kia
SOURCE: Coleman Powermate Model Number BV6548049, pressure switch leak.
Usually, a leak at the pressure switch unloader valve is caused by the checkvalve in the tank. The unloader valve at the pressure switch bleeds out the air from discharge tube after compressor reaches set pressure. This only takes a few seconds. If air continues to leak then air is leaking back into the discharge tube past the tank checkvalve. Follow the air discharge line from the compressor to the brass valve at the tank. The brass valve is the checkvalve that holds the pressure in the tank. There are usually two connections at this valve. One is the unloader tube to the pressure switch. Simple test for leaking checkvalve, with pressure in tank unplug or switch off the compressor and remove the small unloader line at the checkvalve(brass valve) and look/listen for leak. If leaking, remove the checkvalve and examine seat/check for debris keeping the valve slightly open. If it cannot be cleaned, order generic replacement from www.grainger.com. It will cost less than the factory checkvalve. Just pay attention to the thread sizes for easy fit. Good Luck on your repair and email if you have questions.
SOURCE: Compressor is building up pressure very slow.
It could very well be the valve plate however before you order parts take a look at the cylinders. Unplug the unit, remove the cover from crank side and turn the compressor by hand till the/a piston is at top of stroke. Examine upper cylinder for scratches /wear or failed vinyl piston ring. On oil-free compressors, dirt and grit is sucked-in from the bottom of the cylinder and causes leaks between cylinder wall and piston. If scratched, air pressure is leaking down thru cylinder wall. Failed reed valves cause a pulsation at the intake port (air seems to be pumped out the intake). If you see a model number anywhere on the pump that begins with " WL", your pump is made by Campbell Hausfeld. Parts can be ordered from www.chpower.com. other-wise order parts from sears parts. Cylinder kits are around $40. Good Luck on the repair and email if you have questions.
SOURCE: COMPRESSOR Amana / RCE24C2A Ser #036142440
mfg date are coded into the ser.# useualy fist 4 digits are yr and month of MFG. 0306 would be 2003 june ect. if in doubt call amanna dealer and ask them. Steve
SOURCE: Durabuilt Air Compressor oil blowout!l
I have a new Durabuilt Air compressor Model # DP0200604
6 gal. tank, Wp 0f 140psi ; I need a owners manual that I misplaced. Where can I go to down load this item? FLT 04-2010
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