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Ride Height
01-02-2006, 14:04
Post: #11
Ride Height
> Contact Bennie at Bluebird.

Bennie: 800 992-6337 x2572
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01-02-2006, 14:34
Post: #12
Ride Height
> So does anyone know why the rear is designed to sit higher than the
front? I've always wished mine looked level.

Good question Scott. I'm not an engineer, but I figure with the tail
up, it places more weight on the front axle.

FYI, when I was driving my PT38 back from Blair's house, in OR, I ran
thru a weigh station. The front axle weight came in at 12,480lbs. That
was with the rig basically empty, full of fuel, 1/2 full of water, and
my 200lb butt in the drivers seat.

I have Michelen 12R 22.5's on the front. According to the tire guide,
at 100psi the max weight is per tire is 6,405lbs or 12,810lbs for the
front axle. The max weight for 105psi is 6,740lbs/tire or 13,480 for
the axle.
This is where I keep mine inflated to.

Anyone know the front axle max load?

Steve Harrie
'86 PT38
St. George, UT
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01-02-2006, 17:28
Post: #13
Ride Height
Steve,

According to the Ridewell service manual for my 85PT40, the ride
height is checked/adjusted by measuring the height of the pedestal,
top to bottom, with air bags fully pressurized, on a level surface.
For my rig, the steer axle pedestal heights are 6.75 inches and the
drive axle pedestal heights are 8.06 inches.

This specification is for the Ridewell "Allair" suspension, models
RAS-227 and RAD-227.

The air suspensions on the PT40's and PT38's may or may not be
different. If you don't have the service manual, maybe someone on the
forum with a PT38 has one and can verify the specs.

The body to ground measurement requires, among other things, that your
rig be parked on a very level surface, that you don't do a vertical
measurement into a slight depression in the ground, and that your
tires are evenly inflated.

However, the pedestal height measurement, which still requires a level
surface to adjust, measures the mounting height between the frame and
axle, and determines the ride height with more accuracy.

It appears your rear height level is too high. I'd adjust it
according to pedestal height. The body to ground measurement can be
used to occasionally spot check your ride height to give you a heads
up about a potential problem.



Phil and Christina Corpus
'iWander' 85PT40
Southern California


--- In WanderlodgeForum@yahoogroups.com, "trvlngnrs"
wrote:
>
> I pulled the PT out of storage and drove her to my house. When I was
> sliding a piece of plywood under to catch any oil drips, I noticed the
> rear most air bags. They seemed to be hyperinflated. I could see about
> 1.5 - 2 inches of a black ring, above were it was rubbed shiney on the
> lower airbag pedestal (for lack of a better word, by pedestal I mean
> the hour glass shaped thing the airbag slides up and down on.) The
> airbag seemed to be at the top portion of the pedestal.
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01-03-2006, 04:25
Post: #14
Ride Height
Steve,

I think you will find that figure on the data plate. On our coach, it is
above the windshield in front of the driver. Hard to see, but the info
is there.

George Lowry
'95 WBDA 4203
Spearfish, SD Enjoying the warmth of Palm Springs, CA


trvlngnrs wrote:

> So does anyone know why the rear is designed to sit higher than the
>

front? I've always wished mine looked level.

Good question Scott. I'm not an engineer, but I figure with the tail
up, it places more weight on the front axle.
FYI, when I was driving my PT38 back from Blair's house, in OR, I ran
thru a weigh station. The front axle weight came in at 12,480lbs. That
was with the rig basically empty, full of fuel, 1/2 full of water, and
my 200lb butt in the drivers seat.

I have Michelen 12R 22.5's on the front. According to the tire guide,
at 100psi the max weight is per tire is 6,405lbs or 12,810lbs for the
front axle. The max weight for 105psi is 6,740lbs/tire or 13,480 for
the axle.
This is where I keep mine inflated to.

Anyone know the front axle max load?

Steve Harrie
'86 PT38
St. George, UT
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12-04-2006, 09:24
Post: #15
Ride Height
Thanks, Curt- will put a tape on that tomorrow- that maybe why it visually
looks lower. Ernie-83PT40 in Amarillo, Tx


[Non-text portions of this message have been removed]
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12-04-2006, 13:57
Post: #16
Ride Height
After paying for fuel today, and walking back to the coach, i noticed
that sitting at the fuel island, the coach was not level front to
rear.Perhaps this was a problem derived from my freezing conditions? Or
is a new ride height valve needed? your comments, are appreciated.
Ernie- 83PT40 in Amarillo, Tx
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12-04-2006, 14:10
Post: #17
Ride Height
Ernie,
I got this information from Bennie at Bluebird back in 2005, for the
1987 PT38...

Front ideal height is 16". This is measured behind the front wheel from
the body skin to the ground. Rear ideal height is 18". This is measured
ahead of the drive axle from the body skin to the ground. Two inch
difference front and rear.

Curt Sprenger
1987 PT38 8V92 "MacAttack Racing"
Anaheim Hills, Calif.



Ernest Ekberg wrote:

>After paying for fuel today, and walking back to the coach, i noticed
>that sitting at the fuel island, the coach was not level front to
>rear.Perhaps this was a problem derived from my freezing conditions? Or
>is a new ride height valve needed? your comments, are appreciated.
>Ernie- 83PT40 in Amarillo, Tx
>
>
>
>
>Yahoo! Groups Links
>
>
>
>
>
>
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12-04-2006, 14:28
Post: #18
Ride Height
Ernie, I had the same problem up here. Hmmm ahhhh it was only ice under one of
the wheels LOL.
Head south and thaw out, surprizing how things work when it is warm.

Bill 84 FC 35 SB "$quanderlodge"
Terrace, B.C. Canada


----- Original Message ----
From: Ernest Ekberg
To: WanderlodgeForum@yahoogroups.com
Sent: Monday, December 4, 2006 5:57:56 PM
Subject: [WanderlodgeForum] Ride Height













After paying for fuel today, and walking back to the coach, i
noticed

that sitting at the fuel island, the coach was not level front to

rear.Perhaps this was a problem derived from my freezing conditions? Or

is a new ride height valve needed? your comments, are appreciated.

Ernie- 83PT40 in Amarillo, Tx














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[Non-text portions of this message have been removed]
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12-04-2006, 15:11
Post: #19
Ride Height
Curt, it is different for different models.

Bruce Morris (919)872-7635 Raleigh, NC
Webmaster - WOO (http://www.wanderlodge.us)
1983 WL FC35RB

FMCA: 7142s Ham Radio: KI4ME
Vietnam Vet - 1966-67 'Doc' (Navy Corpsman) 3rd MarDiv

----- Original Message -----
From: Curt Sprenger
To: WanderlodgeForum@yahoogroups.com
Sent: Monday, December 04, 2006 9:10 PM
Subject: Re: [WanderlodgeForum] Ride Height


Ernie,
I got this information from Bennie at Bluebird back in 2005, for the
1987 PT38...

Front ideal height is 16". This is measured behind the front wheel from
the body skin to the ground. Rear ideal height is 18". This is measured
ahead of the drive axle from the body skin to the ground. Two inch
difference front and rear.

Curt Sprenger
1987 PT38 8V92 "MacAttack Racing"
Anaheim Hills, Calif.

Ernest Ekberg wrote:

>After paying for fuel today, and walking back to the coach, i noticed
>that sitting at the fuel island, the coach was not level front to
>rear.Perhaps this was a problem derived from my freezing conditions? Or
>is a new ride height valve needed? your comments, are appreciated.
>Ernie- 83PT40 in Amarillo, Tx
>
>
>
>
>Yahoo! Groups Links
>
>
>
>
>
>




[Non-text portions of this message have been removed]
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12-04-2006, 20:43
Post: #20
Ride Height
Hi Bill- its amazing how things work better when not frozen- coach, my feet,
etc. Ernie-83PT40 in amarillo, tx


[Non-text portions of this message have been removed]
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