Water pump problem

[Keith Strehle]

The water stops completely. Just for 30 seconds or so and the pump
starts again. I'm a little baffled by the 12 volt circuit breakers?
I have no idea what they look like? Wouldn't his normally be a fuse
protected circuit?

Keith
84FC

--- In WanderlodgeForum@yahoogroups.com, Pete Masterson
wrote:
>
> The pump is pretty durable, but it may be partially clogged and/or
> need a rebuild causing it to overheat. That might cause a circuit
> breaker to trip then reset. (Don't know where they are on your
year.)
> I'd guess that the expansion tank would need about 40# as that's
what
> the operating pressure is ... but it may be lower. The pressure in
> the tank allows the pump to run at a constant speed until the
> pressure in the system is "right". Then the tank provides the
> pressure until it drops to the point where the pump kicks on again.
>
> If the water pressure at a faucet isn't significantly changing as
the
> pump cycles on-off-on, then the problem may not be the expansion
tank
> at all.
>
> If the pump needs a rebuild, kits are available for a modest cost
> $20~30 or so. Most often, the pump will 'seep' at the joint in the
> case between the motor and the pump section if it needs a rebuild --

> but perhaps not.
>
> If you find the circuit breakers, swap the one for the pump
circuit
> for another one with a similar rating. It could be a faulty
breaker
> instead of the pump, but that's not as likely. Even if it is the
> breaker tripping, you'll need to determine why the breaker trips.
>
> Pete Masterson
> aeonix1@...
> '95 Blue Bird Wanderlodge WBDA 42'
> El Sobrante, CA
>
>
>
>
> On Mar 7, 2007, at 2:55 PM, Keith Strehle wrote:
>
> > Thanks Pete, I was wondering what the tank was for. That makes
> > perfect sense. How much pressure should I put in it? I also
thought
> > of overheating but the coach is very lightly used? Doesn't seem
like
> > the pump is worn out?
> >
> > Thanks, Keith
> > 84FCSB
> >
> >
> > --- In WanderlodgeForum@yahoogroups.com, Pete Masterson
> > wrote:
> >>
> >> The expansion tank may have lost its 'charge' of air. There's a
> > tire-
> >> valve nipple on the top that you can use to 'pump up' the
> > pressure.
> >> Or the expansion tank may have had the diaphragm fail --
replacing
> >> the tank is the only solution then. Or, you might want to try the
> >> variable speed pump option -- replace your pump(s) and expansion
> > tank
> >> with the Shurflow variable speed pump. Caution - this option will
> >> raise your coach water pressure to 65lbs when you're on the pump.
> > Be
> >> sure your plumbing can handle it.
> >>
> >> There may be other reasons for the pump to act up as well..
> > possible
> >> overheating?
> >>
> >> Pete Masterson
> >> aeonix1@
> >> '95 Blue Bird Wanderlodge WBDA 42'
> >> El Sobrante, CA
> >>
> >>
> >>
> >>
> >> On Mar 7, 2007, at 1:58 PM, Keith Strehle wrote:
> >>
> >>> The water pump in my coach stops suddenly and starts again
within
> > a
> >>> minute or less. Any ideas what may be causing it?
> >>>
> >>> Thanks Keith
> >>>
> >>>
> >>>
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