Axle winterizing... To lift or not to lift??? - Page 2 - Fiberglass RV


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Old 10-21-2002, 08:46 PM   #15
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Axle lift during storage.

The Scamp manual recommends lifting 1/2 of trailer weight off axle during storage. I guess one must measure ride height of trailer and then jack till tire just clears surface, measure and then split the difference. I do this and use four screw type frame jacks at heaviest part of frame, then lower front boggy wheel and rear slide jacks for stability only. Just my "SWAG" formula, tho, Fx.
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Old 10-22-2002, 04:09 PM   #16
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Axle winterizing

I owe an apology to all for my previous response.

Scamp states in the manual I just received to remove ALL the weight from axle by jacking at heavy frame members near axle and stabalizing. Then they say to reduce tire pressure to 10-15 lbs. during storage.

As a pilot I failed the first Scamp test, Read and understand the manufactures POH. At least this crash altitude was near the ground, Fx.
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Old 10-25-2002, 10:01 AM   #17
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trailer storage

On another computer (far away) I have a tire care website, I think it was michelin, which recommended for storage over 2 months to:

1. Get the tires off concrete, (temperature and moisture transferrs thru concrete) resting em on a wood block helps.

2. Jack em up to relieve pressure on the 'flat spot'.

3. Cover em to protect from UV rays.

(This is a 'what SHOULD be done' thing.)

I've taken the liberty to word this as remembered, obviously it's not a quote.
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Old 10-31-2002, 09:00 AM   #18
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Dexter warranty

Ok, new Dexter axles come with a five year warranty on the torflex axles ... so to cut through the chase, I contacted Dexter about folks being all concerned about taking the weight off the axle. I wanted to know ... what was the affect ... and what, if anything, would void the warranty or hurt the axle.

I just heard from one of Dexter's product engineers, Duane Belisle who wrote:

Dexter Axle's Torflex axles do not require "unloading during storage" to retain the warranty. Torflex axles are manufactured with a preset start angle at the trailing arm. It is normal for the axle to take some permanent set(3 to 5) after a year or two of loading. (example: initial start angle, 22.5 down; normal set 19 after year of loading). This does not hurt the axle but does cause a slight loss in deflection movement.

The normal set and the aging of the rubber make the axle stiffer.

This normally takes many years (decades) before it is measurable and is generally not noticeable.
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Old 11-20-2002, 02:09 PM   #19
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Dexter says: it helps the tires, not the axle

Warranty is one thing, long term wear is another. I also asked Dexter for advice. Here's what I asked:

-----
Should I put a 2500 pound trailer with a single Torflex axle on jack
stands to take the weight off the axle:

(a) when storing it for the winter
(B) when I don't plan to use it for a month
any time it's parked in one spot for a week or more
(d) all of the above
(e) none of the above

Please include reasons. I've heard many different answers. Thanks!
-----

And the reply, from engineer Christine Bachman:

-----
Dexter Axle recommends that a trailer be jacked up and placed on appropriate jack stands if the trailer is to be stored or unused for an extended period of time (i.e. over the winter).

So the answer would be (a) but not because it is our Torflex axle. The reason for this recommendation is NOT to "preserve" the suspension but more because of the tires. The suspension is not damaged by sitting still whether it be our Torflex or our leaf spring suspension.
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Old 11-20-2002, 03:16 PM   #20
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Ah

Ah ... so it's for the tires ... and long term storage. The axle or suspension isn't hurt one way or the other!

So if we all go camping every three weeks or so ... to exercise the tires. Alright! Everybody hook up and go!
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Old 11-20-2002, 03:32 PM   #21
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Thank you, Bob!

Yours is one post I'll print out and put in my scrapbook! Thanks for looking into it for us! :cblob
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Old 11-20-2002, 05:55 PM   #22
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go

Quote:
________________________________________

Everybody hook up and go

________________________________________

Sorry go on without us it will be Monday before we can go
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Old 12-12-2015, 06:47 PM   #23
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Your comments regarding tires reminded me of something I had noticed last winter. We were driving through a group of condos in southwest Fla. and many of the residents(not currently there) had their cars covered. But many of them had a square of plywood, painted white, under each of their tires. It was blacktop, which I'm sure gets very hot. A real discussion broke out the next day at "men's Friday lunch" regarding the merits or lack thereof, of the plywood squares. Since two of the six were engineers....well, you can imagine.
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