General Boards > Technical Support

air compressor

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Gerald Farris:
Robert,
If I were you, I would check the wiring diagram for the leveling system and see if the compressor should be wired through it so that it will run only when the leveling system is turned on. That would solve a lot of your problem.

If your system has an automatic water drain at the compressor that drains when the compressor turns off like most HWH systems, it may be the check valve at it that is leaking and causing you to loose air.

Gerald

Robert Mathis:
I actually got a little time yesterday afternoon to check the system. I found the air leak at the "T" fitting exiting the 12 volt compressor. One side of the T goes to the pressure switch, the other side to a small pressure tank/H2O seperator, all completely hidden behind the frame under the step. I removed the entire fitting, trimmed the lines and reinserted into the fitting and the leak stopped.

Joel Ashley:
Thanks for keeping us appraised, Robert.  Air leaking back out of the tank lowered its pressure and that activated the switch to turn the pump on.  I didn't even know our small leveling system compressor might have a tank and seperator, so your info and fix, as well as Gerald's input, may come in handy in the future.  Plus it's always good to hear when someone solves a problem, and at no cost to boot  ;).

-Joel

Arden Smith:
Just a thought, My air leveling system uses engine driven compressor air BUT I also was leaking air and found the air leveling control (suspension) valves by the wheels to be of a plastic body design and the plastic was cracked on the two front ones and leaking, Upon taking one of them off, the whole valve body split. Could have happened on the road with bad results. I would look around the valve bodies for a possible leak, Be careful though to tighten any connections if they are plastic because if they are cracked they may well break the body and you would have no suspension to get to the repair shop. I replaced mine with all metal body valves.

Arden Smith

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