Home » Public Forums » GMCnet » [GMCnet] Air Bag Forming
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| Re: [GMCnet] Air Bag Forming [message #44365 is a reply to message #44362] |
Tue, 26 May 2009 16:52   |
Rick Denney
Messages: 430
Registered: January 2004
Karma: 0
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Senior Member |
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David L Greenberg writes...
> A new owner is looking for techniques for forming up/compressing an
> airbag. I searched the usual places for hints and finding none came to
> the Mount for help.
Here's the trick, and no I don't really believe it, either, but it
works by all reports: Fold the bag up and just jam it in there so that
it can be bolted down (loosely at first, and don't forget the cones).
Don't worry about rolling in the convolutions. Then, inflate the bag
slowly, and it will assume the proper shape.
I wore the skin off my fingertips rolling in those convolutions. And
then I learned this trick.
Rick "who always does things the hard way" Denney
'73 230 Ex-Glacier "Jaws"
Northern Virginia
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| Re: [GMCnet] Air Bag Forming [message #44381 is a reply to message #44362] |
Tue, 26 May 2009 20:19 |
David L Greenberg
Messages: 899
Registered: January 2004
Location: Port St Lucie, FL
Karma: 0
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On Tue, 26 May 2009 17:52:55 -0400 Rick Denney <rick@rickdenney.com>
writes:
> David L Greenberg writes...
>
> > A new owner is looking for techniques for forming up/compressing
> an
> > airbag. I searched the usual places for hints and finding none
> came to
> > the Mount for help.
>
> Here's the trick, and no I don't really believe it, either, but it
> works by all reports: Fold the bag up and just jam it in there so
> that
> it can be bolted down (loosely at first, and don't forget the
> cones).
> Don't worry about rolling in the convolutions. Then, inflate the
> bag
> slowly, and it will assume the proper shape.
>
Makes good sense to me. This owner is trying to roll up his spare bag so
tis' ready to install when needed.
I'll suggest you way also.
Thanks
David Lee Greenberg
Port St Lucie, FL
Dedicated to the Preservation of the Classic GMC Motorhome
http://GMCmhRegistry.com
48 Packard Super Eight
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| Re: [GMCnet] Air Bag Forming [message #44387 is a reply to message #44365] |
Tue, 26 May 2009 21:05 |
shawnee
Messages: 422
Registered: February 2004
Location: NC
Karma: 0
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Senior Member |
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| Rick Denney wrote on Tue, 26 May 2009 17:52 |
David L Greenberg writes...
> A new owner is looking for techniques for forming up/compressing an
> airbag. I searched the usual places for hints and finding none came to
> the Mount for help.
Here's the trick, and no I don't really believe it, either, but it
works by all reports: Fold the bag up and just jam it in there so that
it can be bolted down (loosely at first, and don't forget the cones).
Don't worry about rolling in the convolutions. Then, inflate the bag
slowly, and it will assume the proper shape.
I wore the skin off my fingertips rolling in those convolutions. And
then I learned this trick.
Rick "who always does things the hard way" Denney
'73 230 Ex-Glacier "Jaws"
Northern Virginia
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When I did my air bags several years ago, I put the cones on and fitted a Shrader valve on the end of the bag. I put one end on the ground and started adding air slowly while pushing down. The cones came in against the bag just the way they were on the coach. Just don't put any extra air in or they will pop out again. Doesn't seem possible, but it works.
Gene Dotson
74 Canyonlands
www.bdub.net/Motorhome_Enhancements New Windows and Aluminum Radiators
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| Re: [GMCnet] Air Bag Forming [message #44404 is a reply to message #44365] |
Wed, 27 May 2009 01:21 |
George Beckman
Messages: 1085
Registered: October 2008
Location: Colfax, CA
Karma: 11
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Senior Member |
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| Rick Denney wrote on Tue, 26 May 2009 14:52 |
David L Greenberg writes...
> A new owner is looking for techniques for forming up/compressing an
> airbag. I searched the usual places for hints and finding none came to
> the Mount for help.
Here's the trick, and no I don't really believe it, either, but it
works by all reports: Fold the bag up and just jam it in there so that
it can be bolted down (loosely at first, and don't forget the cones).
Don't worry about rolling in the convolutions. Then, inflate the bag
slowly, and it will assume the proper shape
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I would not have believed it if I had not seen it with my own eyes. I did have one bag that scared me a bit and we let the air back out and made sure the coach was high enough. You have to have the wheels able to go all the way down. The more room the bag has the better it can assume its shape.
'74 Eleganza, SE, Howell + EBL
Best Wishes,
George
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| Re: [GMCnet] Air Bag Forming [message #44405 is a reply to message #44404] |
Wed, 27 May 2009 01:48 |
Ken Burton
Messages: 10030
Registered: January 2004
Location: Hebron, Indiana
Karma: 10
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Senior Member |
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| George Beckman wrote on Wed, 27 May 2009 01:21 |
I would not have believed it if I had not seen it with my own eyes. I did have one bag that scared me a bit and we let the air back out and made sure the coach was high enough. You have to have the wheels able to go all the way down. The more room the bag has the better it can assume its shape.
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If you want more room to install the bag, simply undo one of the shock bolts (nuts) and remove the shock from one end only. The wheel will drop down even farther. The rear shocks are what stops the downward travel of the wheels.
Ken B.
Ken Burton - N9KB
76 Palm Beach
Hebron, Indiana
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| Re: [GMCnet] Air Bag Forming [message #44408 is a reply to message #44405] |
Wed, 27 May 2009 07:26 |
Eddie Pettit
Messages: 71
Registered: May 2009
Karma: 0
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Member |
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Hey guys,
I have a question. I've noted the bag replacement photos before. I have
NIB bags that came with the RV, but they are already in the barrel shape
with aluminum cones. Is it simply a matter of packaging that makes them
different? And does that mean they'll bolt right in without the bending,
etc of the differently packaged replacement?
Thanks,
Eddie
Midlothian VA
73 GMC
> -----Original Message-----
> From: gmclist-bounces@temp.gmcnet.org
> [mailto:gmclist-bounces@temp.gmcnet.org] On Behalf Of Ken Burton
> Sent: Wednesday, May 27, 2009 2:49 AM
> To: gmclist@temp.gmcnet.org
> Subject: Re: [GMCnet] Air Bag Forming
>
>
>
>
> George Beckman wrote on Wed, 27 May 2009 01:21
> > I would not have believed it if I had not seen it with my
> own eyes. I did have one bag that scared me a bit and we
> let the air back out and made sure the coach was high enough.
> You have to have the wheels able to go all the way down.
> The more room the bag has the better it can assume its shape.
>
>
> If you want more room to install the bag, simply undo one of
> the shock bolts (nuts) and remove the shock from one end
> only. The wheel will drop down even farther. The rear
> shocks are what stops the downward travel of the wheels.
>
> Ken B.
> --
> Ken Burton - N9KB
> 76 Palm Beach
> Hebron, Indiana
> _______________________________________________
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| Re: [GMCnet] Air Bag Forming [message #44415 is a reply to message #44408] |
Wed, 27 May 2009 08:28 |
powerjon
Messages: 2446
Registered: January 2004
Karma: 5
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Senior Member |
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I have gotten them from the factory supplier already set with the
cones and the other way. I would suggest that you take some
reinforced packing tape and tape them in the folded position that you
have them in. And yes they are ready to install.
J.R. Wright
GMC GreatLaker
TZE Zone Restorations
77 Eleganza Custom (For Sale)
1975 Avion (Under Reconstruction)
Michigan
> Hey guys,
>
> I have a question. I've noted the bag replacement photos before. I
> have
> NIB bags that came with the RV, but they are already in the barrel
> shape
> with aluminum cones. Is it simply a matter of packaging that makes
> them
> different? And does that mean they'll bolt right in without the
> bending,
> etc of the differently packaged replacement?
>
> Thanks,
>
> Eddie
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J.R. Wright
GMC GreatLaker
GMC Eastern States
GMCMI
78 30' Buskirk Stretch
75 Avion Under Reconstruction
Michigan
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| Re: [GMCnet] Air Bag Forming [message #44422 is a reply to message #44408] |
Wed, 27 May 2009 11:59 |
Rick Denney
Messages: 430
Registered: January 2004
Karma: 0
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Senior Member |
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Eddie Pettit writes...
> I have a question. I've noted the bag replacement photos before. I have
> NIB bags that came with the RV, but they are already in the barrel shape
> with aluminum cones. Is it simply a matter of packaging that makes them
> different? And does that mean they'll bolt right in without the bending,
> etc of the differently packaged replacement?
Once the bags have been installed and inflated, they tend to keep the
double-convoluted shape even when removed. My spare is the same way.
Someone probably already folded these over, or they were installed and
tested temporarily. Or maybe they're "like new" instead of "new".
Rick "whose new bags were not in their convoluted shape" Denney
'73 230 Ex-Glacier "Jaws"
Northern Virginia
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'73 Glacier 230 "Jaws"
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| Re: [GMCnet] Air Bag Forming [message #44427 is a reply to message #44422] |
Wed, 27 May 2009 12:34 |
Eddie Pettit
Messages: 71
Registered: May 2009
Karma: 0
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Member |
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These are in boxes, and appear to be new. They have tape wrapped around them
in several directions holding the cones in place. Maybe they were prepped
for installation? They still have yellow warning stickers on them. I just
checked the boxes and they are from Cinnabar Engineering. I'm pretty certain
they are new, maybe someone set them up so that when it came time, they'd be
ready to go? Who knows.
> -----Original Message-----
> From: gmclist-bounces@temp.gmcnet.org
> [mailto:gmclist-bounces@temp.gmcnet.org] On Behalf Of Rick Denney
> Sent: Wednesday, May 27, 2009 12:59 PM
> To: Eddie Pettit
> Subject: Re: [GMCnet] Air Bag Forming
>
>
> Eddie Pettit writes...
>
> > I have a question. I've noted the bag replacement photos
> before. I have
> > NIB bags that came with the RV, but they are already in the
> barrel shape
> > with aluminum cones. Is it simply a matter of packaging
> that makes them
> > different? And does that mean they'll bolt right in without
> the bending,
> > etc of the differently packaged replacement?
>
> Once the bags have been installed and inflated, they tend to keep the
> double-convoluted shape even when removed. My spare is the same way.
> Someone probably already folded these over, or they were installed and
> tested temporarily. Or maybe they're "like new" instead of "new".
>
> Rick "whose new bags were not in their convoluted shape" Denney
>
> '73 230 Ex-Glacier "Jaws"
> Northern Virginia
>
> _______________________________________________
> GMCnet mailing list
> List Information and Subscription Options:
> http://temp.gmcnet.org/cgi-bin/mailman/listinfo/gmclist
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| Re: [GMCnet] Air Bag Forming [message #44430 is a reply to message #44422] |
Wed, 27 May 2009 12:52 |
Ray Erspamer
Messages: 1707
Registered: May 2007
Location: Milwaukee Wisconsin
Karma: -3
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Senior Member |
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When I installed my new air bags in 2006, this info could have saved me a lot of time and cussing which was probably heard in Yugoslavia.
You have no idea how long I tried to get the cones into the bags before I installed them.....so I finally did just what the pictures show.....installed them and filled them with air until the popped into place. I was too new to think of taking pictures of the process, but it sure worked slick.
Ray & Lisa Erspamer
78 Royale Center Kitchen
The Malosco Cruiser (TZE368V101144)
Wauwatosa, Wisconsin 53226
Email: 78GMC-Royale@att.net
414-745-3188
Web Site: http://ray-lisa.page.tl/
----- Original Message ----
From: Rick Denney <rick@rickdenney.com>
To: Eddie Pettit <gmclist@temp.gmcnet.org>
Sent: Wednesday, May 27, 2009 11:59:20 AM
Subject: Re: [GMCnet] Air Bag Forming
Eddie Pettit writes...
> I have a question. I've noted the bag replacement photos before. I have
> NIB bags that came with the RV, but they are already in the barrel shape
> with aluminum cones. Is it simply a matter of packaging that makes them
> different? And does that mean they'll bolt right in without the bending,
> etc of the differently packaged replacement?
Once the bags have been installed and inflated, they tend to keep the
double-convoluted shape even when removed. My spare is the same way.
Someone probably already folded these over, or they were installed and
tested temporarily. Or maybe they're "like new" instead of "new".
Rick "whose new bags were not in their convoluted shape" Denney
'73 230 Ex-Glacier "Jaws"
Northern Virginia
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Ray Erspamer
78 GMC Royale Center Kitchen
403, 3.70 Final Drive
Holley Sniper Quadrajet EFI System,
Holley Hyperspark Ignition System
414-484-9431
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| Re: [GMCnet] Air Bag Forming [message #44438 is a reply to message #44408] |
Wed, 27 May 2009 13:43 |
midlf
Messages: 2212
Registered: July 2007
Location: SE Wisc. (Palmyra)
Karma: 1
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Senior Member |
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| Eddie Pettit wrote on Wed, 27 May 2009 07:26 |
Hey guys,
I have a question. I've noted the bag replacement photos before. I have
NIB bags that came with the RV, but they are already in the barrel shape
with aluminum cones. Is it simply a matter of packaging that makes them
different? And does that mean they'll bolt right in without the bending,
etc of the differently packaged replacement?
Thanks,
Eddie
73 GMC
|
I have several new bags that came with the coach in GM Parts Division cardboard cartons. There are two types of cartons, the long carton which contains an airbag w/o cones, and the short carton that contain an air bag with cones. The airbag with cones is convoluted over the cones and is secured with fiberglass packing tape about 1/2" wide.
Our coach had plastic cones so I removed those and replaced them with the aluminum cones from one of the short cartons. I will use the plastic cones to "make the airbag smaller" for storage. That is about all the plastic cones are good for. The plastic cones I will mark as "Plastic cone for storage use only, not for use on GMC Motorhome".
Steve Southworth
1974 Glacier TZE064V100150 (for workin on)
1975 Transmode TZE365V100394 (parts & spares)
Palmyra WI
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| Re: [GMCnet] Air Bag Forming [message #44457 is a reply to message #44427] |
Wed, 27 May 2009 18:00 |
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mike miller
Messages: 3576
Registered: February 2004
Location: Hillsboro, Oregon
Karma: 0
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Senior Member |
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| Eddie Pettit wrote on Wed, 27 May 2009 10:34 |
These are in boxes, and appear to be new. They have tape wrapped around them in several directions holding the cones in place. Maybe they were prepped for installation? They still have yellow warning stickers on them. I just checked the boxes and they are from Cinnabar Engineering. I'm pretty certain they are new, maybe someone set them up so that when it came time, they'd be ready to go? Who knows.
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Eddie,
When I got my '73 the was a new airbag packaged as you described under the couch. I couldn't see having a new one (getting older) setting there, when I had older "possible time bombs" on the coach waiting to blow at the worse time.
I picked the worse installed bag and replaced it. The OLD one is now "the spare."
Unless your installed bags are very new, I would put your newest bags on while you are safely parked in the driveway.
Mike Miller -- Hillsboro, OR -- on the Black list
(#2)`78 23' Birchaven Rear Bath -- (#3)`77 23' Birchaven Side Bath
More Sidekicks than GMC's and a late model Malibu called 'Boo'
http://m000035.blogspot.com
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| Re: [GMCnet] Air Bag Forming [message #44459 is a reply to message #44438] |
Wed, 27 May 2009 18:47 |
bryant374
Messages: 563
Registered: May 2004
Location: Pleasant Valley, NY 12569
Karma: 1
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Senior Member |
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(snip)>That is about all the plastic cones are good for.
I had some plastic cones and found another use for them. I use them as cup holders in both the GMC and the Corvette.
Bill Bryant
PO 1976~PB (owned 34 years)
1914 Ford (owned 70 years)
1965 Corvette (owned 39 years)
GMC Motorhome History
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| Re: [GMCnet] Air Bag Forming [message #44467 is a reply to message #44459] |
Wed, 27 May 2009 20:32 |
Ken Burton
Messages: 10030
Registered: January 2004
Location: Hebron, Indiana
Karma: 10
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Senior Member |
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| bryant374 wrote on Wed, 27 May 2009 18:47 |
(snip)>That is about all the plastic cones are good for.
I had some plastic cones and found another use for them. I use them as cup holders in both the GMC and the Corvette.
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Thanks for the idea. I need one on my JD tractor. Since I gave away all of my aluminum ones I'm down to only plastic ones which I never found a use for.
Ken Burton - N9KB
76 Palm Beach
Hebron, Indiana
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| [GMCnet] windshield plastic? [message #44641 is a reply to message #44459] |
Fri, 29 May 2009 12:40 |
Mike Kilroy
Messages: 80
Registered: July 2006
Location: Farmersville, OH (near D...
Karma: 0
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Member |
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My son bets me the windshields on GMCs are NOT glass! I am afraid to
take the bet - so far....
He says they are 'vircon' a type of plastic, and that is why the edges
turn white with age - the 2 pieces of plastic glued together begin to
separate. He thinks he has seen advertisements in the past showing the
GMC windshields as examples of this material usage.
Anyone know for sure so I can decide how much, if any, I should bet?
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Mike (AC8V) & Vickie Kilroy
'73 Canyon Land 26' sidebath
455/ceramic filled crossovers
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| Re: [GMCnet] windshield plastic? [message #44644 is a reply to message #44641] |
Fri, 29 May 2009 13:11 |
Tin Gerbil
Messages: 236
Registered: October 2006
Location: Vancouver Island, B.C.
Karma: 0
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Senior Member |
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Maybe a trick bet or your son is only half smart. The windshield is a
sandwich of two sheets of glass with plastic in between. Take the bet
that the inside surface and outside surface are glass. Bet the farm!
Gordon
Mike Kilroy wrote:
> My son bets me the windshields on GMCs are NOT glass! I am afraid to
> take the bet - so far....
>
> He says they are 'vircon' a type of plastic, and that is why the edges
> turn white with age - the 2 pieces of plastic glued together begin to
> separate. He thinks he has seen advertisements in the past showing the
> GMC windshields as examples of this material usage.
>
> Anyone know for sure so I can decide how much, if any, I should bet?
>
>
> _______________________________________________
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Gordon
'74 Canyon Lands "Tin Gerbil"
Vancouver Island, B.C.
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