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Old 09-05-2010, 11:20 PM   #15
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Originally Posted by tvanwave View Post
Well I completed swaping all six brake asseblies today. A few things I learned along the way:
- check new assemblies out before installing. Several of mine had springs loose, adjusters mis aligned, and cables for auto adjust disconnected. Nothing too big to fix but best done before installation
- AS axles are supposed to have a slight bow upward. After a semi-paniced call to Inland RV I found that this was normal.
- Used this time to also inspect both sides of tires for damage etc, inspect (and caulk) wheel wells, change shocks, repack bearings.
- PO said brakes etc were good, however, 3 of six brakes were not working because of broken wires, frozen adjusters, or bad magnets. Dont trust PO stataements always check for your self
-Heat shrink/ crimp connections seemed best, installed with small propane torch to heat shrink connections (alomst burned barke wires once)
- if you can turn a wrench and follow instructions, many of which i found in the forums, its straight forward but time consuming. It took me 2.5 days to do 6 wheels but I'm picky and not a shop.
- when bolting new assembly back plate, be sure to not pinch your brake wires between the backingplate and the mounting plate (did that once and almost sheared the wires)
- plan on 3 cans of brake clean for six wheels to clean bearings and drum, also 3 rolls of shop towels
- resecure feed wires to frame so as to not have them hanging loose after install

Well worth the time and learning involved.
When the original torsion axle "trailing arms" or "torsion arms" are parallel to the chassis, or going upward as they go rearward, is a sign of the rubber rods having expired.

Never going upward, as quoted above, is OK.

A "Dura-torque axle" article appears in the Airstream Central portion of this Forums, that teaches what a torsion axle is all about, as well as how to check them out.

Perhaps a typo by tvanwave.

Andy
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Old 09-06-2010, 04:19 PM   #16
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1991 34' Limited
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Sounds like a good job done. Gonna show us any photos?
I have a few below but not as many as planned - camera battery kept going dead after 1-2 pics (ordered new battery today).


first two pics -Blocked wheels

second two pics -Checked assemblies for shoe alignment and adjuster positioning (not correct in these pics but an easy fix before install)

third set of pics - before & after new assemblies

Last pic - the bone yard

While under the AS I saw that the axel looked bent between the wheels, and was by 1/2 as confirmed by my 48" level. A picture of my face when I thought I was looking at buying 3 new axels would have been a good one to have. I'm glad Andy set me straight.
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Old 09-06-2010, 08:53 PM   #17
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Thanks for the photos. Funny, from the last photo, the brake shoes don't look all that worn, but the entire assembly does look old.

Maybe your trailer doesn't have many miles on it...?
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Old 09-07-2010, 04:40 PM   #18
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Thanks for the photos. Funny, from the last photo, the brake shoes don't look all that worn, but the entire assembly does look old.

Maybe your trailer doesn't have many miles on it...?
Yes, the shoes all had plenty of lining on them but magnets, adjusters looked worn for most wheels. For very limited money and a few hours work everything is new; a fraction of the cost of 1 day in the hospital. Not sure about miles but the inside was in very good shape for a 1991. We have had it since Feb this year and are slowly going through the systems.
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