Lifting the rear of the coach

Stu Rasmussen

Stu Rasmussen

New member
Jan 29, 2019
132
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Hi all,

It has been a while since I last posted on this subject and still have a problem.

The rolling jack extensions for the lift are fabricated and work fine but a new problem arises:

Lifting the rear of the coach while on the 4-post lift (after deflating the air bag) gets the tire off the runway but then the tire/wheel are an
additional 8" off the ground and heavy as the dickens. Awkward to remove and replace without additional muscle that I don't have.

So I got the 'tire lifter' from HF that would work fine but needs more depth than I have without building an extension of some sort at the +8" level.
Not impossible but still looking for the 'best way'.

I recall reading somewhere about a procedure of airing up the airbag to its fullest extent, cribbing under the bogie and then releasing the airbag
charge, which I understood was supposed to float the tire off the ground. Doesn't work for me - tire is still in pretty firm ground contact and does
not seem to want to budge and I am reluctant to just pop off the lugnuts for fear of a major OOPS! What am I doing wrong?

Thanks in advance

Stu
--
Stu Rasmussen W7QJ
Silverton, OR
'77 Birchaven
 
Go buy some aluminum wheels. That will help. Amazing how heavy the steel
Rims/tires are.

You can make a bar, a leaf spring works well,
But needs to be a stout piece of steel plate.

Here is info:

http://www.gmcmhphotos.com/photos/g6509-blaze-orange-bogie-leaf-spring.html

Hopefully fires are staying away. Scott mills/crooked finger is way to close for comfort for silverton!

--
Jon Roche
75 palm beach
EBL EFI, manny headers, Micro Level, rebuilt most of coach now.
St. Cloud, MN
http://lqqkatjon.blogspot.com/
 
We sell those leaf spring helper bars.
We use them constantly in our shop as we do not need to jack the rear up as
much.

On Wed, Sep 9, 2020 at 3:56 PM Jon Roche via Gmclist <

> Go buy some aluminum wheels. That will help. Amazing how heavy the steel
> Rims/tires are.
>
> You can make a bar, a leaf spring works well,
> But needs to be a stout piece of steel plate.
>
> Here is info:
>
> http://www.gmcmhphotos.com/photos/g6509-blaze-orange-bogie-leaf-spring.html
>
>
> Hopefully fires are staying away. Scott mills/crooked finger is way to
> close for comfort for silverton!
>
> --
> Jon Roche
> 75 palm beach
> EBL EFI, manny headers, Micro Level, rebuilt most of coach now.
> 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
>

--
Jim Kanomata
Applied/GMC, Newark,CA
jimk
http://www.gmcrvparts.com
1-800-752-7502
 
Ah, thanks Jon - and thanks Jim Kanamota - you have _everything_ in
stock!

Aluminum wheels would be very nice but not in the budget until I
absolutely need to replace the tires. Even then I dread hearing my
wallet screaming long into the night.

I mis-remembered about lifting and re-searched the archive and found
this:

With either the OEM or upgraded systems, an important accessory is a
piece
of steel bar stock, 3/8"x2.5"x12"-14" (some use a piece of an old leaf
spring). After raising the coach to where the suspension arms are level,
slide that bar into the bogie beneath the suspension arms so that each
of
them is prevented from dropping lower. DUMP THE AIR from the air bags
before jacking further!!!. Now you'll only have to jack the coach about
1/2 as much as without that aid. The shock absorber will also be
protected
from excessive loading.

So it's off to my scrap bin for a small chunk of steel bar stock to make
the lifting bar. That should help immensely.

I'm not sure where the 'block up the bogie' memory item came from and
it's challenging to keyword search the forum sometimes.

Thanks again!

Regarding the wildfire situation, right now it looks like our evacuation
status is more yo do with bad air quality rather than actual fire
exposure - but we're ready to bugout in the partially operational GMC in
either event. Let's hope it rains soon. The winds have died down quite a
bit.

Stu

> Go buy some aluminum wheels. That will help. Amazing how heavy the
> steel
> Rims/tires are.
>
> You can make a bar, a leaf spring works well,
> But needs to be a stout piece of steel plate.
>
> Here is info:
>
> http://www.gmcmhphotos.com/photos/g6509-blaze-orange-bogie-leaf-spring.html
>
>
> Hopefully fires are staying away. Scott mills/crooked finger is way
> to close for comfort for silverton!
 
We are the largest supplier and we help lot of people looking for parts.
Spende lot of times sourcing parts and getting on phone few hours a day and
making friends.

On Wed, Sep 9, 2020 at 8:43 PM Stu Rasmussen (97381.com) via Gmclist <

>
> Ah, thanks Jon - and thanks Jim Kanamota - you have _everything_ in
> stock!
>
> Aluminum wheels would be very nice but not in the budget until I
> absolutely need to replace the tires. Even then I dread hearing my
> wallet screaming long into the night.
>
> I mis-remembered about lifting and re-searched the archive and found
> this:
>
> With either the OEM or upgraded systems, an important accessory is a
> piece
> of steel bar stock, 3/8"x2.5"x12"-14" (some use a piece of an old leaf
> spring). After raising the coach to where the suspension arms are level,
> slide that bar into the bogie beneath the suspension arms so that each
> of
> them is prevented from dropping lower. DUMP THE AIR from the air bags
> before jacking further!!!. Now you'll only have to jack the coach about
> 1/2 as much as without that aid. The shock absorber will also be
> protected
> from excessive loading.
>
> So it's off to my scrap bin for a small chunk of steel bar stock to make
> the lifting bar. That should help immensely.
>
> I'm not sure where the 'block up the bogie' memory item came from and
> it's challenging to keyword search the forum sometimes.
>
> Thanks again!
>
> Regarding the wildfire situation, right now it looks like our evacuation
> status is more yo do with bad air quality rather than actual fire
> exposure - but we're ready to bugout in the partially operational GMC in
> either event. Let's hope it rains soon. The winds have died down quite a
> bit.
>
> Stu
>

> > Go buy some aluminum wheels. That will help. Amazing how heavy the
> > steel
> > Rims/tires are.
> >
> > You can make a bar, a leaf spring works well,
> > But needs to be a stout piece of steel plate.
> >
> > Here is info:
> >
> >
> http://www.gmcmhphotos.com/photos/g6509-blaze-orange-bogie-leaf-spring.html
> >
> >
> > Hopefully fires are staying away. Scott mills/crooked finger is way
> > to close for comfort for silverton!
>
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
>

--
Jim Kanomata
Applied/GMC, Newark,CA
jimk
http://www.gmcrvparts.com
1-800-752-7502
 
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Applied GMC
Get your shine on at www.cruzingear.co

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