Home » Public Forums » GMCnet » [GMCnet] Is there a good video tutorial on using jacks and hooks to lift the GMC?
| [GMCnet] Is there a good video tutorial on using jacks and hooks to lift the GMC? [message #313229] |
Wed, 15 February 2017 08:02  |
Robin Hood
Messages: 1078
Registered: April 2011
Karma: 3
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I'm a day's drive from my coaches. I want to have a mobile mechanic lift
both coaches and swap the wheels from the Royale to the Palm Beach. While I
could lift my coaches blindfolded now, this will be a first time for him.
Is there a handy video that shows how to use the hook and best practices
for blocking?
--
Robin Hood
Jacksonville FL
2013 Subaru Outback "Top Flight"
1968 Pontiac Catalina "The Cheshire Cat"
1978 GMC Royale motorhome "Pinto Bean"
1977 GMC Palm Beach motorhome "Barn Queen"
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| Re: [GMCnet] Is there a good video tutorial on using jacks and hooks to lift the GMC? [message #313232 is a reply to message #313229] |
Wed, 15 February 2017 09:14  |
lqqkatjon
Messages: 2324
Registered: October 2010
Location: St. Cloud, MN
Karma: 5
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Do you have a jack hook?
Jim K has the instructions on his site:
http://appliedgmc.com/images/bottlejackadaptor.pdf
however I doubt your mobile mechanic would use a bottle jack. You just need to tell him to jack the rear up by the bogies, and the front up on the main support that goes across. He should be able to jack stand at either location.
The tricky part to get anybody to understand is the use of a block, or barstock, on the rear bogies, to keep them from dropping as you jack upwards. it saves both the shock mounts, as well as you should be able to jack up minimally to get the tires off the ground.
http://www.gmcmhphotos.com/photos/g6326-bogie-plates.html
Jon Roche
75 palm beach
EBL EFI, manny headers, Micro Level, rebuilt most of coach now.
St. Cloud, MN
http://lqqkatjon.blogspot.com/
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| Re: [GMCnet] Is there a good video tutorial on using jacks and hooks to lift the GMC? [message #313234 is a reply to message #313232] |
Wed, 15 February 2017 09:44 |
Robin Hood
Messages: 1078
Registered: April 2011
Karma: 3
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Ugh. I've never used bogie plates when lifting these things. Have I hurt my
coach?
Guess I better order some? I dont' see them on Applied GMC's site. Where do
I get these?
On Wed, Feb 15, 2017 at 10:14 AM, Jon Roche wrote:
> Do you have a jack hook?
>
> Jim K has the instructions on his site:
>
> http://appliedgmc.com/images/bottlejackadaptor.pdf
>
>
> however I doubt your mobile mechanic would use a bottle jack. You just
> need to tell him to jack the rear up by the bogies, and the front up on the
> main support that goes across. He should be able to jack stand at either
> location.
>
> The tricky part to get anybody to understand is the use of a block, or
> barstock, on the rear bogies, to keep them from dropping as you jack
> upwards.
> it saves both the shock mounts, as well as you should be able to jack up
> minimally to get the tires off the ground.
>
> http://www.gmcmhphotos.com/photos/g6326-bogie-plates.html
>
>
> --
> Jon Roche
> 75 palm beach
> St. Cloud, MN
> http://lqqkatjon.blogspot.com/
>
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
>
--
Robin Hood
Jacksonville FL
2013 Subaru Outback "Top Flight"
1968 Pontiac Catalina "The Cheshire Cat"
1978 GMC Royale motorhome "Pinto Bean"
1977 GMC Palm Beach motorhome "Barn Queen"
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| Re: [GMCnet] Is there a good video tutorial on using jacks and hooks to lift the GMC? [message #313235 is a reply to message #313229] |
Wed, 15 February 2017 09:55 |
James Hupy
Messages: 6806
Registered: May 2010
Karma: -62
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If you have access to an air compressor, AND your coaches have Schrader
valves at the bags, the easy way is to jack under the bogie a few inches,
then deflate the bags. The tires will rise off the ground as you deflate
the bags. No stress on the shock absorber mounts that way. If no Schrader
valves, then use a flat bar through the bottom of the bogie box that
extends far enough out on either side to block the bogie arms from dropping
down.
Jim Hupy
Salem, Or
78 GMC ROYALE 403
On Feb 15, 2017 7:45 AM, "Robin Hood" wrote:
Ugh. I've never used bogie plates when lifting these things. Have I hurt my
coach?
Guess I better order some? I dont' see them on Applied GMC's site. Where do
I get these?
On Wed, Feb 15, 2017 at 10:14 AM, Jon Roche wrote:
> Do you have a jack hook?
>
> Jim K has the instructions on his site:
>
> http://appliedgmc.com/images/bottlejackadaptor.pdf
>
>
> however I doubt your mobile mechanic would use a bottle jack. You just
> need to tell him to jack the rear up by the bogies, and the front up on
the
> main support that goes across. He should be able to jack stand at either
> location.
>
> The tricky part to get anybody to understand is the use of a block, or
> barstock, on the rear bogies, to keep them from dropping as you jack
> upwards.
> it saves both the shock mounts, as well as you should be able to jack up
> minimally to get the tires off the ground.
>
> http://www.gmcmhphotos.com/photos/g6326-bogie-plates.html
>
>
> --
> Jon Roche
> 75 palm beach
> St. Cloud, MN
> http://lqqkatjon.blogspot.com/
>
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
>
--
Robin Hood
Jacksonville FL
2013 Subaru Outback "Top Flight"
1968 Pontiac Catalina "The Cheshire Cat"
1978 GMC Royale motorhome "Pinto Bean"
1977 GMC Palm Beach motorhome "Barn Queen"
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| Re: [GMCnet] Is there a good video tutorial on using jacks and hooks to lift the GMC? [message #313242 is a reply to message #313235] |
Wed, 15 February 2017 10:43 |
sgltrac
Messages: 2797
Registered: April 2011
Karma: 1
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Senior Member |
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What Hupy said. Jack under bogie and drop some bag pressure when partially
unloaded. For the fronts jack in the center of the main crossmember (there
are two holes in the center and you want the jack under them). Stacks of
dimensional lumber under the rear of frame as close as you can get to bogie
box without interfering with your wheel change and a pair of jack stands
outboard of the jack after the front is in the air. With one coach cribbed
up the mechanic can work off the jack on the other coach one side at a time
in the rear and once for the front.
Sully
77 eleganza 2
Seattle
On Wed, Feb 15, 2017 at 7:56 AM James Hupy wrote:
> If you have access to an air compressor, AND your coaches have Schrader
> valves at the bags, the easy way is to jack under the bogie a few inches,
> then deflate the bags. The tires will rise off the ground as you deflate
> the bags. No stress on the shock absorber mounts that way. If no Schrader
> valves, then use a flat bar through the bottom of the bogie box that
> extends far enough out on either side to block the bogie arms from dropping
> down.
> Jim Hupy
> Salem, Or
> 78 GMC ROYALE 403
>
> On Feb 15, 2017 7:45 AM, "Robin Hood" wrote:
>
> Ugh. I've never used bogie plates when lifting these things. Have I hurt my
> coach?
>
> Guess I better order some? I dont' see them on Applied GMC's site. Where do
> I get these?
>
> On Wed, Feb 15, 2017 at 10:14 AM, Jon Roche wrote:
>
>> Do you have a jack hook?
>>
>> Jim K has the instructions on his site:
>>
>> http://appliedgmc.com/images/bottlejackadaptor.pdf
>>
>>
>> however I doubt your mobile mechanic would use a bottle jack. You just
>> need to tell him to jack the rear up by the bogies, and the front up on
> the
>> main support that goes across. He should be able to jack stand at
> either
>> location.
>>
>> The tricky part to get anybody to understand is the use of a block, or
>> barstock, on the rear bogies, to keep them from dropping as you jack
>> upwards.
>> it saves both the shock mounts, as well as you should be able to jack up
>> minimally to get the tires off the ground.
>>
>> http://www.gmcmhphotos.com/photos/g6326-bogie-plates.html
>>
>>
>> --
>> Jon Roche
>> 75 palm beach
>> St. Cloud, MN
>> http://lqqkatjon.blogspot.com/
>>
>> _______________________________________________
>> GMCnet mailing list
>> Unsubscribe or Change List Options:
>> http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
>>
>
>
>
> --
> Robin Hood
> Jacksonville FL
> 2013 Subaru Outback "Top Flight"
> 1968 Pontiac Catalina "The Cheshire Cat"
> 1978 GMC Royale motorhome "Pinto Bean"
> 1977 GMC Palm Beach motorhome "Barn Queen"
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
>
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Sully
77 Royale basket case.
Future motorhome land speed record holder(bucket list)
Seattle, Wa.
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| Re: [GMCnet] Is there a good video tutorial on using jacks and hooks to lift the GMC? [message #313269 is a reply to message #313264] |
Wed, 15 February 2017 15:15 |
Ken Henderson
Messages: 8726
Registered: March 2004
Location: Americus, GA
Karma: 9
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Senior Member |
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Just be sure to let the air out of the air bag before jacking the wheel off
the ground. I have 2-1/2"x3/8"x14" lifting bars. One has a distinct curve
in it from having forgotten to let the air out. Also important if you use
the aluminum blocks which someone was delivering several years ago. I've
seen one bogie which was cracked at the bottom from using those with air
still in the bag.
Ken H
On Wed, Feb 15, 2017 at 3:23 PM, Jon Roche wrote:
> I doubt you had done any damage. The shocks are pretty stout. But I
> would guess you had to jack the dailights out of the side of the coach as
> the
> tires just dropped and dropped, before they started getting airborn.
>
> The plates I have seen are all home made. I just a chunk of steel,
> others use broken leaf springs as the pictures stolen, and others I have
> seen use
> pieces of wood. The idea is to not allow the bogie to drop down when you
> jack up.
>
> here is a picture of a piece of wood doing the same thing:
>
> http://www.gmcmhphotos.com/photos/gmc-misc/p16840.html
>
> more information:
>
> http://gmcmotorhome.info/rear.html#RAISING
>
>
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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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