Home » Public Forums » GMCnet » [GMCnet] Air bag plumbing size
| Re: [GMCnet] Air bag plumbing size [message #342591 is a reply to message #342536] |
Wed, 17 April 2019 05:54   |
Ken Henderson
Messages: 8726
Registered: March 2004
Location: Americus, GA
Karma:
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Kelly,
I don't understand all the traffic for this. A simple Google search for
"1/4 npt male to 1/4 tubing" yields over a million results (many
inappropriate, of course). Here's one of them:
https://www.amazon.com/Pcs-Tube-push-connect-fitting-x/dp/B01DQ1A8YM
Ken H.
On Tue, Apr 16, 2019 at 8:14 AM kelly stockwell via Gmclist <
gmclist@list.gmcnet.org> wrote:
> Hi All,
>
> I was just one of these people, side of I-90 in MA. The connection from
> the T block to the shut off valve sheared off. I unhooked the schrader
> valve
> from the other end of the T and put it into the bag, got the statie's
> repair guy to jack it up a few inches and then we filled it up and off I
> went.
>
>
> I could not get any fittings off so I could put the tubing directly into
> the bag, along with carrying schrader valves, what's the fitting that goes
> from the 1/4" bag inlet to the tubing?
>
> Thank you, going to go back to basics
>
> https://www.facebook.com/groups/classicgmcmotorhomes/permalink/1340532099404657/
> kelly
>
>
>
>
>
> Ken Burton wrote on Wed, 21 May 2014 22:36
>> That is a problem with adding all of that extra hardware on the end of
> the air bag fitting. The airbag is constantly bouncing as you drive down
>> the road and the weight of the extra hardware has to be supported by the
> "elbow" screwed into the bag as it bounces around.
>>
>> If the air system works correctly then get rid of all of that extra
> stuff and screw the air hose connector directly into the airbag as GM
> designed
>> it. If it bothers you that someday you might need to air the bag up
> separate from the on board compressor, then carry one or two schrader valves
>> and screw them into air the air bag(s) when necessary. I carry two of
> them in my coach and have never needed them.
>>
>> I took a local black list call a few years ago from someone who was
> stranded along the Interstate with what they said was a blown bag. When I
> got
>> there with a spare bag I found that the problem was not the bag but
> instead was that first fitting in the bag had broken off flush with the end
> of
>> the threads of the bag. I ended up installing the spare bag and brought
> them to my hangar. It took me a couple of hours to extract the old broken
>> piece out of the original bag. By this time it was dark so they stayed
> over night and we reinstalled the original, now repaired, bag back on the
>> coach the next morning. We also removed all of that extra hardware on
> the other side and changed it back to stock.
>>
>> That whole incident added about 1.5 days to their vacation and was
> caused by something that was totally unnecessary in the first place.
>>
>> JMHO
>>
>> I believe all of that stuff is 1/4" pipe thread.
>
> --
> 1978 Kingsley
> Putney VT
>
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Ken Henderson
Americus, GA
www.gmcwipersetc.com
Large Wiring Diagrams
76 X-Birchaven
76 X-Palm Beach
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