Dump Valve Rebuild?

[Curt Sprenger]

Pete,
I may be chiming in late on this thread. Our coach has two auxiliary
compressors. A 12V auxiliary compressor for the toilet, and a 120V
auxiliary compressor to do the same thing as the 8V92 engine compressor.
I'm sure this can be added to your coach. The 120V airs up the entire
coach system, toilet excluded and that will be changed in the future,
another project, and I can dump the holding tanks once aired up and
never start the 8V92.

Curt Sprenger
1987 PT38 8V92 "MacAttack Racing"
Anaheim Hills, Calif.



Pete Masterson wrote:

> As things are currently arranged, the auxiliary compressor only does
> the toilet. It cuts in around 65# and cuts out at 90PSI. I'd be happy
> if it did the dump valves. The suspension/brakes -- well, I'd just as
> soon leave those alone. Anyway, I don't mind waiting for the air for
> a departure ... the series 60 doesn't take all that long to
> pressurize the system --- I usually run it to air up while I'm
> raising the HWH jacks anyway, so it doesn't delay a departure much.
> (I still go and visually check the HWH jacks to make sure they're up.)
>
> Pete Masterson
> aeonix1@...
> '95 Blue Bird Wanderlodge WBDA 42'
> El Sobrante, CA
>
> On Feb 27, 2007, at 5:07 PM, Don Bradner wrote:
>
> > So your auxilliary pump only does the Microphor? Mine will fill
> > anything/everything, including air bags. It cuts out at 90PSI.
> >
> > I like being able to have full-usable air before the engine is even
> > started. The 8V92 doesn't need a long warmup (my opinion, anyway),
> > so I can roll soon after startup.
> >
> > On 2/27/2007 at 4:42 PM Pete Masterson wrote:
> >
> >> Now that there is a discussion of dump valves ... and you mention the
> >> &^%^&% air valves ...
> >>
> >> I really hate having to 'air up' the coach just to dump, especially
> >> when I'm in an RV park for a week or so. It seems so silly to run a
> >> 500 hp engine just to get the air pressure to dump the sewage.
> >>
> >> So, does anybody know if
> >> 1. is it practical to re-route the air valve source to the auxiliary
> >> compressor (used to provide air to the Microphor toilet) -- and will
> >> that compressor be able to provide enough air to efficiently operate
> >> the air valves without stressing the compressor, or
> >> 2. what are some of the alternatives (and costs + ease of
> >> installation). Are electric valves a good idea? I certainly don't
> >> really want to hassle with manual valves... the switches are close
> >> enough to the sewage as it is...
> >>
> >> When in an RV park, I usually go 3 days between dumps or I dump on
> >> the day we leave... It's not like I do it all the time, but I have
> >> noticed a few strange looks from neighbors after I've 'aired up' to
> >> do a dump.
> >
> >
> > Don Bradner
> > 90 PT40 "Blue Thunder"
> > Eureka, CA
> >
> >
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