Air operated dump valuve

[Don Bradner]

You can also just replace the seals. I replaced paddes and seals in 2007 and
seals only this year - a bit hard to get them on, but they work as well as new
paddles.

I have had to replace both air "switches" due to leaks internally.

On 8/11/2011 at 12:14 PM Curt Sprenger wrote:

>Hi Jerry,
>Did you purchase your coach from Jim & Barbara King?
>
>Is the air leak at the hose to air fitting, or coming from around the
>cylinder shaft?
>
>Sticking...is usually the paddle that is either binding due to seal
>distortion, or lack of lubrication. You can purchase the paddles with seals
>from Dupree products. Use Plumbers lube to lubricate the seal.
>
>Curt Sprenger
>1987 PT38 8V92 "MacAttack Racing"
>Anaheim Hills, CA
>curtsprenger@...
>One of the "Birds of a Feather" (BOF) Organizers
>
>
>On Thu, Aug 11, 2011 at 11:59 AM, jerry_94110 wrote:
>
>> **
>>
>>
>> Hello,
>> I purchased "Free Bird" around 3 months ago and final was able to take
>her
>> out on our maiden voyage. I had all the shocks and air bags replaced and
>had
>> all the mechanicals check out at ABR (American Bus Repair) located in
>> Alameda, CA. Great place to have work done if you are ever in the area.
>>
>> The maiden voyage went well. We took her from San Francisco to Lake
>Tahoe.
>> I was amazed at how many complements we received. I came across one issue
>> when it was time to dump the tanks. Both gray and black dump valves seem
>to
>> stick. I had to pull (quite hard) on the black round knobs to get them
>open.
>> I also noticed that after I closed them, the black valve continued to
>leak
>> air.
>>
>> My questions is do these valves need to be lubricated so that they don't
>> sick and also, how do I fix the air leak? Or should I just buy new
>valves? I
>> located power twis-loc valves on dupree products website. is this the
>> correct valve to replace them with?
>>
>> Any help would be appreciated.
>>
>> Jerry Kocher
>> 1987 PT38
>> San Francisco, CA
>>
>>
>>