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Old 09-26-2010, 07:07 PM   #1
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1994 35' Legacy Diesel
Rayne , Louisiana
Join Date: Aug 2010
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small compressor

94 ly diesel i wonder about the small compressor in the front trunk. should it shut off at a set pressure? all laws of mechanics tell me so does anyone know for sure or should i hunt a leak?
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Old 09-27-2010, 07:54 AM   #2
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1995 30' Cutter Bus LE
Madison , South Dakota
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What is the compressor for? Does it run continuously?
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Old 09-27-2010, 08:37 AM   #3
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1991 34' Excella
Princeton , New Jersey
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Yes any compressor should have a high limit switch that shuts it off at a set pressure.

Now if it is running without shutting off it could be a leak on the high side, poor compression, worn out, within the compressor, or a bad shut off switch.

I would suspect on of the first 2 since a bad limit switch would cause excess pressure and should pop off the safety valve on the reserve tank.
2004 Excursion 4x4
1991 34 ft. Excella +220,000 miles, new laminated flooring, new upholstery, new 3200 lbs axles

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