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Old 04-07-2010, 05:20 PM   #1
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1996 34' Excella
Elberta , Alabama
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Low point drain petcocks

Both of the petcocks on the low point drains on our 2000, 30' Excella are leaking.
They are located on the curb side, between the axles, about 6 " from the frame towards the center. They are easy to access, I should only have to remove 1 wheel, and unscrew them to replace.
Seems like every time I begin one of these "simple" jobs, I end up with more problems. I have a shop, and adequate tools to do whatever I need to do.
Is there anything that I should know before I tackle this project tomorrow.
The petcocks are metal, they look like the same thing that is used to drain a radiator, so they should be available at NAPA.
Advise is welcome.
Larry
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Old 04-07-2010, 05:32 PM   #2
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1991 34' Excella
Princeton , New Jersey
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Are you sure it is the pet cock that is leaking and not the connection to the tubing? Its is real odd that one should leak let along two. Maybe it was just before lunch when they were installed. Dry them off and take a close look as someone brings the pressure up.
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Old 04-07-2010, 06:54 PM   #3
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1996 34' Excella
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Quote:
Originally Posted by HowieE View Post
Are you sure it is the pet cock that is leaking and not the connection to the tubing? Its is real odd that one should leak let along two. Maybe it was just before lunch when they were installed. Dry them off and take a close look as someone brings the pressure up.
Well, it appears to me that they are both leaking. I've already dried them off, and taken the pressure off and then repressurized the system before I started this thread.

When I open them, of course, the water drains out of both of them, as they should. When I close them, they both drip out of the same opening as when they are fully opened.

When I turn the pump off, or disconnect the city water, they stop leaking. When the system is pressurized, they stop. When I put more pressure on them when I shut the valve, using a pair of pliers for more leverage, it slows to a drip about once every minute or so.

At the point where the petcock body screws into a fitting, everything is dry. The only place that's wet is at the open end of the petcock. Maybe it's odd, but it look's to me like they are both leaking.
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Old age is coming at a really bad time!

1996 34' Excella 1000, interior totally redone, 2003 Dodge/Cummins HO, U.S. Gear exhaust brake, Diablo tuner, 115 gallon aux fuel, Bedslide, Airsafe/Reese Dual Cam, and a bunch of other stuff
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Old 04-07-2010, 09:53 PM   #4
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Mine started to drip a couple of years ago on my 2002 Safari. I open them periodically, spray them down with WD40 and then work them open and close a few times, then they seem to be ok for a while.

LR
Bismarck ND
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