John L.

Who is john l ?

> John L.,
> Did you get my PM or email?
> Larry. :)
> --
> Larry
> 78 Royale w/500 Caddy
> Menomonie, WI.
>
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--
Gene Fisher -- 74-23,77PB/ore/ca
“Give a man a fish; you have fed him for today --- give him a URL and
-------
http://bdub.net/gmcmotorhome.info/
Alternator Protection Cable
http://bdub.net/gmcmotorhome.info/APC.html
 
John,
Are you still at :
mailto:gransport7087

Well, anyway, here is the note I sent you at that gmail account and a PM from GMCforum.

John,
Do you have access to or have info where I can get an accumulator that will work with our PM's?

I just bought a PM as a back-up that has a weak accumulator, and I suspect that the accumulator in the one I got from you is weak. The motor runs
about every 5 seconds or so for about 2 seconds.

TIA

Larry. :)
--
Larry
78 Royale w/500 Caddy
Menomonie, WI.
 
Sorry that email was just to use this site when AOL became unsupported. Cardone sells a repurposed slightly larger unit that works. Sellers on eBay
or Kirbanperformance.com. About $200. But your symptoms are not perse accumulator though that may be weak too. Pump running repeatedly is usually
check valve or can be internal leak in master ( less likely). Discharge unit key off 10 pedal applications and disconnectt the pressure line entering
side of MC. Use a small easy out to pull out the check valve seat assy and spring with poppet. Clean and if needed the plastic poppet can be refaced
gently with a sheet of 1500 wet on a glass or granite surface. Very lightly and at 90 to the surface reface the poppet with a few circular actions.
Is all the air bled out? If foaming the volume will drop as foam settles and cause pump to run again. Or a spec of dirt can cause leak down. They all
had no leak down on test jig. Weak accumulator is usually "runs with pedal apply" or just one apply. With a fresh accumulator you should get 2 applies
then run.
--
John Lebetski
Woodstock, IL
77 Eleganza II
 
> Sorry that email was just to use this site when AOL became unsupported. Cardone sells a repurposed slightly larger unit that works. Sellers on
> eBay or Kirbanperformance.com. About $200. But your symptoms are not perse accumulator though that may be weak too. Pump running repeatedly is
> usually check valve or can be internal leak in master ( less likely). Discharge unit key off 10 pedal applications and disconnectt the pressure
> line entering side of MC. Use a small easy out to pull out the check valve seat assy and spring with poppet. Clean and if needed the plastic poppet
> can be refaced gently with a sheet of 1500 wet on a glass or granite surface. Very lightly and at 90 to the surface reface the poppet with a few
> circular actions. Is all the air bled out? If foaming the volume will drop as foam settles and cause pump to run again. Or a spec of dirt can
> cause leak down. They all had no leak down on test jig. Weak accumulator is usually "runs with pedal apply" or just one apply. With a fresh
> accumulator you should get 2 applies then run.

John,
Well, it does run with continous pedal apply. Only take one apply to run motor. Runs every time I apply pedal pressure.
Larry
--
Larry
78 Royale w/500 Caddy
Menomonie, WI.
 
Ok that is a slightly different symptom description than the original. You need an accumulator, but we knew that. That should fix it.
--
John Lebetski
Woodstock, IL
77 Eleganza II
 
> Ok that is a slightly different symptom description than the original. You need an accumulator, but we knew that. That should fix it.

John,

Ya, it actually does both...
The motor runs about every 5 seconds or so for about 2 seconds....when no foot on brake mostly after driving for a while. When I first hit the switch
in the morning, it will run for 6 seconds or so to charge it, and not run then until down the road. And it does run with continuous pedal apply about
once per second for a second, like when at a stop sign. Only takes one apply to run motor. Runs every time I apply pedal pressure.

So, thanks for the advice. I'll be getting the one from Kirbanperformance. Anything else you can think of while I'm working it?
--
Larry
78 Royale w/500 Caddy
Menomonie, WI.
 
Is the pedal set to fully unload not applied? Just looking for an explanation for the occasional running. New accumulator typically has pump start
during 3rd apply. So you get 2 normal stops on just stored accumulator pressure.
--
John Lebetski
Woodstock, IL
77 Eleganza II
 
> Is the pedal set to fully unload not applied? Just looking for an explanation for the occasional running. New accumulator typically has pump
> start during 3rd apply. So you get 2 normal stops on just stored accumulator pressure.

Yes it is. I actually lifted the pedal with my foot with no change.

I need to remove the accumulator from my spare and know that I should do 10 strokes to make sure the accumulator is empty. Do I have to have brake
fluid in the MC to preform this or is it OK to do it dry?

--
Larry
78 Royale w/500 Caddy
Menomonie, WI.
 
Either way and only fed from the inboard reservoir. A towel will catch the few drips as you unscrew the old accumulator.
--
John Lebetski
Woodstock, IL
77 Eleganza II
 
> Is the pedal set to fully unload not applied? Just looking for an explanation for the occasional running. New accumulator typically has pump
> start during 3rd apply. So you get 2 normal stops on just stored accumulator pressure.

Is the pedal set to fully unload not applied? As far as I know....yes, but will double check it. Again...thanks for the help/advise.

--
Larry
78 Royale w/500 Caddy
Menomonie, WI.