Home » Public Forums » GMCnet » Potable Check blew out!!
| Potable Check blew out!! [message #269859] |
Sat, 17 January 2015 12:30  |
 |
Matt Colie
Messages: 8547
Registered: March 2007
Location: S.E. Michigan
Karma: 7
|
Senior Member |
|
|
My potable check valve blew out and I don't know where some of the parts have gone.
If this has happened to anyone else;
Did you find the parts?
Did you find the parts because they stopped something from working?
I was disassembling the plumbing around the pump, and a little spring appeared. Investigation found that it was the spring from the barb-flare check valve. I blew out the line from the city water inlet, but no parts came out.
I am not sure how worried I should be.
Matt
Matt & Mary Colie - Chaumière -'73 Glacier 23 - Members GMCMI, GMCGL, GMCES
Electronically Controlled Quiet Engine Cooling Fan with OE Rear Drum Brakes with Applied Control Arms
SE Michigan - Near DTW - Twixt A2 and Detroit
|
|
|
|
| Re: [GMCnet] Potable Check blew out!! [message #269874 is a reply to message #269859] |
Sat, 17 January 2015 16:50  |
 |
USAussie
Messages: 15912
Registered: July 2007
Location: Sydney, Australia
Karma: 6
|
Senior Member |
|
|
Matt,
I'm not familiar with the GMC water system and it's not clear what part blew out. I took a look at MM X-7525, Page 24-J-2 and there
are two connections:
1) water fill - to the water tank
2) hose connection city water inlet
Which one blew out?
In my Avion there is a strainer at the inlet to the pump so if it happened to me I wouldn't worry about it.
You could install one of these in the tank and look for bits in the tank:
http://www.gmcmhphotos.com/photos/aa-miscellaneous-photos/p39535-water-tank-cleaning-port.html
It also makes it possible to clean the tank easily.
Regards,
Rob M.
Sydney, Australia
AUS '75 Avion - The Blue Streak TZE365V100428
USA '75 Avion - Double Trouble TZE365V100426
-----Original Message-----
From: Matt Colie
My potable check valve blew out and I don't know where some of the parts have gone.
If this has happened to anyone else;
Did you find the parts?
Did you find the parts because they stopped something from working?
I was disassembling the plumbing around the pump, and a little spring appeared. Investigation found that it was the spring from the
barb-flare check valve. I blew out the line from the city water inlet, but no parts came out.
I am not sure how worried I should be.
Matt
_______________________________________________
GMCnet mailing list
Unsubscribe or Change List Options:
http://temp.gmcnet.org/cgi-bin/mailman/listinfo/gmclist
Regards,
Rob M. (USAussie)
The Pedantic Mechanic
Sydney, Australia
'75 Avion - AUS - The Blue Streak TZE365V100428
'75 Avion - USA - Double Trouble TZE365V100426
|
|
|
|
| Re: [GMCnet] Potable Check blew out!! [message #269905 is a reply to message #269874] |
Sat, 17 January 2015 21:22 |
|
Matt Colie
Messages: 8547
Registered: March 2007
Location: S.E. Michigan
Karma: 7
|
Senior Member |
|
|
USAussie wrote on Sat, 17 January 2015 17:50Matt,
I'm not familiar with the GMC water system and it's not clear what part blew out. I took a look at MM X-7525, Page 24-J-2 and
are two connections:
1) water fill - to the water tank
2) hose connection city water inlet
Which one blew out?
In my Avion there is a strainer at the inlet to the pump so if it happened to me I wouldn't worry about it.
You could install one of these in the tank and look for bits in the tank:
http://www.gmcmhphotos.com/photos/aa-miscellaneous-photos/p39535-water-tank-cleaning-port.html
It also makes it possible to clean the tank easily.
Regards,
Rob M.
Sydney, Australia
AUS '75 Avion - The Blue Streak TZE365V100428
USA '75 Avion - Double Trouble TZE365V100426
-----Original Message-----
From: Matt Colie
My potable check valve blew out and I don't know where some of the parts have gone.
If this has happened to anyone else;
Did you find the parts?
Did you find the parts because they stopped something from working?
I was disassembling the plumbing around the pump, and a little spring appeared. Investigation found that it was the spring from the
barb-flare check valve. I blew out the line from the city water inlet, but no parts came out.
I am not sure how worried I should be.
Matt
Rob,
This is great, the part is pictured in both the service manual and the parts list and never labeled or identified.
There is check valve to save the pump from city water pressure. In the case of at least the old copper plumbed coaches, it is check valve with a male flare on one end and a hose barb on the other. It is where the rubber from the pump attaches to the copper. The only real reason I know it was there is because I modified the system so I could fill the potable tank from city water. This is all down stream of the pump, so there is little chance that it can get back to the pump inlet and tank unless it happened while I was filling from city water and that is something that I have not done in the last couple of years.
Oh Well, the part is not in any catalog I can find (in hand or on-line), so I am going to rebuild that entire section with brass pipe. Why Brass? So I can unscrew it to make the repair that it will require at some time in the distant future.
Matt
Matt & Mary Colie - Chaumière -'73 Glacier 23 - Members GMCMI, GMCGL, GMCES
Electronically Controlled Quiet Engine Cooling Fan with OE Rear Drum Brakes with Applied Control Arms
SE Michigan - Near DTW - Twixt A2 and Detroit
|
|
|
|
| Re: [GMCnet] Potable Check blew out!! [message #269913 is a reply to message #269905] |
Sun, 18 January 2015 01:16 |
|
USAussie
Messages: 15912
Registered: July 2007
Location: Sydney, Australia
Karma: 6
|
Senior Member |
|
|
Matt,
I just posted a schematic of the Avion's water system:
http://www.gmcmhphotos.com/photos/aa-miscellaneous-photos/p57067-26-27-avion-water-supply-system.html
Note that it has a 40 PSI regulator on the city water supply and no check valve between that and the pump inlet. I installed a Sur
Flow Whisper Jet pump and so far no problems.
Regards,
Rob M.
Sydney, Australia
-----Original Message-----
From: Matt Colie
Rob,
This is great, the part is pictured in both the service manual and the parts list and never labeled or identified.
There is check valve to save the pump from city water pressure. In the case of at least the old copper plumbed coaches, it is check
valve with a male flare on one end and a hose barb on the other. It is where the rubber from the pump attaches to the copper. The
only real reason I know it was there is because I modified the system so I could fill the potable tank from city water. This is all
down stream of the pump, so there is little chance that it can get back to the pump inlet and tank unless it happened while I was
filling from city water and that is something that I have not done in the last couple of years.
Oh Well, the part is not in any catalog I can find (in hand or on-line), so I am going to rebuild that entire section with brass
pipe. Why Brass? So I can unscrew it to make the repair that it will require at some time in the distant future.
Matt
_______________________________________________
GMCnet mailing list
Unsubscribe or Change List Options:
http://temp.gmcnet.org/cgi-bin/mailman/listinfo/gmclist
Regards,
Rob M. (USAussie)
The Pedantic Mechanic
Sydney, Australia
'75 Avion - AUS - The Blue Streak TZE365V100428
'75 Avion - USA - Double Trouble TZE365V100426
|
|
|
|
| Re: [GMCnet] Potable Check blew out!! [message #269914 is a reply to message #269913] |
Sun, 18 January 2015 04:06 |
Mr ERFisher
Messages: 7117
Registered: August 2005
Karma: 2
|
Senior Member |
|
|
What fun ..Looking at that whole pix file.... Great job...
Strange the way they draw their schematics
Erf
On Saturday, January 17, 2015, Robert Mueller
wrote:
> Matt,
>
> I just posted a schematic of the Avion's water system:
>
>
> http://www.gmcmhphotos.com/photos/aa-miscellaneous-photos/p57067-26-27-avion-water-supply-system.html
>
> Note that it has a 40 PSI regulator on the city water supply and no check
> valve between that and the pump inlet. I installed a Sur
> Flow Whisper Jet pump and so far no problems.
>
> Regards,
> Rob M.
> Sydney, Australia
>
>
> -----Original Message-----
> From: Matt Colie
>
> Rob,
>
> This is great, the part is pictured in both the service manual and the
> parts list and never labeled or identified.
> There is check valve to save the pump from city water pressure. In the
> case of at least the old copper plumbed coaches, it is check
> valve with a male flare on one end and a hose barb on the other. It is
> where the rubber from the pump attaches to the copper. The
> only real reason I know it was there is because I modified the system so I
> could fill the potable tank from city water. This is all
> down stream of the pump, so there is little chance that it can get back to
> the pump inlet and tank unless it happened while I was
> filling from city water and that is something that I have not done in the
> last couple of years.
>
> Oh Well, the part is not in any catalog I can find (in hand or on-line),
> so I am going to rebuild that entire section with brass
> pipe. Why Brass? So I can unscrew it to make the repair that it will
> require at some time in the distant future.
>
> Matt
>
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://temp.gmcnet.org/cgi-bin/mailman/listinfo/gmclist
>
--
Gene Fisher -- 74-23,77PB/ore/ca
“Give a man a fish; you have fed him for today --- give him a URL and
-------
http://gmcmotorhome.info/
Alternator Protection Cable
http://gmcmotorhome.info/APC.html
_______________________________________________
GMCnet mailing list
Unsubscribe or Change List Options:
http://temp.gmcnet.org/cgi-bin/mailman/listinfo/gmclist
|
|
|
|
| Re: [GMCnet] Potable Check blew out!! [message #269916 is a reply to message #269914] |
Sun, 18 January 2015 06:42 |
|
USAussie
Messages: 15912
Registered: July 2007
Location: Sydney, Australia
Karma: 6
|
Senior Member |
|
|
Gene,
If you're complimenting Miscellaneous Pictures Album THANKS! However, I was only following orders! Bdub told me to put EVERYTHING in
albums and so I did. With a name like Mueller what would you expect! ;-)
BTW all the Avion schematics are in the Avion Operation and Service Manual on Bdub's website:
http://www.bdub.net/manuals/avion.pdf
They were drawn so that just about anyone could understand them.
Regards,
Rob M.
Sydney, Australia
AUS '75 Avion - The Blue Streak TZE365V100428
USA '75 Avion - Double Trouble TZE365V100426
-----Original Message-----
From: Gmclist [mailto:gmclist-bounces@temp.gmcnet.org] On Behalf Of gene Fisher
Sent: Sunday, January 18, 2015 9:06 PM
To: gmclist@temp.gmcnet.org
Subject: Re: [GMCnet] Potable Check blew out!!
What fun ..Looking at that whole pix file.... Great job...
Strange the way they draw their schematics
Erf
_______________________________________________
GMCnet mailing list
Unsubscribe or Change List Options:
http://temp.gmcnet.org/cgi-bin/mailman/listinfo/gmclist
Regards,
Rob M. (USAussie)
The Pedantic Mechanic
Sydney, Australia
'75 Avion - AUS - The Blue Streak TZE365V100428
'75 Avion - USA - Double Trouble TZE365V100426
|
|
|
|
Goto Forum:
Current Time: Mon Sep 30 23:10:47 CDT 2024
Total time taken to generate the page: 0.01330 seconds
|
GMCforum
Search
Help
Register
Login
Home
