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Champion vr3-8 auto drain blowing out when compressor turns off

I have a champion compressor VR3-8. Every time the Compressor turns off the Automatic tank drain blows off air through the valve on the upperside. I replace the drain and lowered the pressure to about 100psi still happening.

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If the air continues to come out on top of the drain valve well after the pump has stopped, you may have a faulty tank check valve where the pump discharge line enters the tank. when this valve sticks open it will cause this problem.

Posted on Nov 26, 2009

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IS YOUR TUBING CLOGGED, PINCHED OFF OR MAYBE DIRT-DOBBER NEST IN IT. THE WATER AND AIR IS SUPPOSED TO COME OUT THE SMALL TUBE POINTING DOWNWARDS BUT SOME EXCESS AIR MAY COME OUT THE SILVER VALVE ON TOP. THIS IS THE EXCESS AIR WHEN IT IS UNLOADING AND THE SILVER VALVE IS BASICALLY A TIMER. YOU CAN ADJUST THE DURATION OF THE BLOW DOWN TIME BY LOOSENING THE THIN JAM NUT AND SCREWING IT IN OR OUT. DO NOT BLOCK THE SMALL TUBING OR PINCH IT SHUT, YOUR COMPRESSOR CANT UNLOAD AND WILL START HARD. DONT REPLACE THE WHOLE DRAIN BECAUSE THIS AUTO DRAIN TAKES A REBUILD KIT THAT COSTS AROUND 20.00 TO 25.00 AND IS VERY SIMPLE TO REBIULD. YOU CAN CONTACT ME FOR PARTS, PRICING AND INFO AT JBRIDGERS@CA-EQUIP.COM OR WWW.CANDAEQUIPMENT.NET

Posted on Jan 27, 2009

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