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04 /26/ 24, 11:15amLogin ] [ Contact Forum Admin ] [ Main index ] [ Post a new message ] [ Search | Check update time | Archives: 123[4]5678910 ]
Subject: Re: 80 FC33 Air dump valve


Author:
Bob Dilks
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Date Posted: 12/ 26/ 06, 5:13am
In reply to: Jon 's message, "80 FC33 Air dump valve" on 12/ 24/ 06, 10:28am

Jon: Call Blue Bird tech supports at 800-992-6337 and be sure to have your year and coach model as well as its body number available.

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Replies:
[> Subject: Re: 80 FC33 Air dump valve


Author:
Fritz
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Date Posted: 12/ 28/ 06, 10:19am

I believe your system, like newer ones, needs pilot air to move the dump valve. Most air systems need more than about 65psi for this to occur. Next, check continuity through the switch (have to get to the backside of the switch and disconnect the leads. Third, with a multi-meter, check for voltage (nominal 12v) on one of the switch leads; and, Fourth, for a solid ground on the other lead. If all these pass, the problem probably lies elsewhere and someone more familiarity with your model can help.

Fritz

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