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Old 11-19-2006, 03:27 PM   #15
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Quote:
Originally Posted by Inland RV Center, In
The round magnets have been used since the late 50's.

The oval magnets have been used since the 80's.

Andy
Lipets:

Please post a picture of your magnets. An all metal version does not make sense for the magnets' environment.

Tom
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Old 11-19-2006, 03:43 PM   #16
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I will not be getting to them for 2 or 3 weeks, I did them in September to bring the NEW TT home, but I want to tear them down again and POR them etc. Before my Fla trip.
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Old 11-19-2006, 03:50 PM   #17
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We'll wait.

I am extremely interested in what you have repeatedly posted about.

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Old 11-19-2006, 04:48 PM   #18
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Quote:
Originally Posted by klattu
Soiled magnets?
Junk the whole TT,
Get a new one.
If TT was hooked up to yout TV when this happened, its already infected,
Get a new one.

Or just clean them maggies and drive.
Klaatu barada nikto!
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Old 11-25-2006, 01:07 AM   #19
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ok, i've gotten the airstream (now known as the bumblebee) back to our pole barn. Here are some pics of the brake magnet I need, which isn't at all square like I said before. Someone mentioned Napa might have them, but I'm sure KalTire, who was doing the brakes and repacked the bearings, would have checked with them. They said they could not find them anywhere. I am in Canada, so it might not be a standard thing up here. Do I need to get them from a special airstream dealer?

http://www.airforums.com/forum...1&d=1164434719
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Old 11-25-2006, 07:49 AM   #20
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Quote:
Originally Posted by ren walker
ok, i've gotten the airstream (now known as the bumblebee) back to our pole barn. Here are some pics of the brake magnet I need, which isn't at all square like I said before. Someone mentioned Napa might have them, but I'm sure KalTire, who was doing the brakes and repacked the bearings, would have checked with them. They said they could not find them anywhere. I am in Canada, so it might not be a standard thing up here. Do I need to get them from a special airstream dealer?
The magnets can be found at RV dealers, Camping World, Boater's World, and almost any trailer service center, if you can't get them from Napa. You may even be able to get them from Northern Tool & Equipment, and Tractor Supply Company. You will need to know if you have 10" or 12" diameter brakes. These are standard brake parts, and are not brand-specific.
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Old 11-25-2006, 10:40 AM   #21
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thanks terry, i'll start checking around.

sorry for the repost, my computer (and sometimes myself) is kind of a spaz.
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Old 11-25-2006, 01:28 PM   #22
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Quote:
Originally Posted by ren walker
ok, i've gotten the airstream (now known as the bumblebee) back to our pole barn. Here are some pics of the brake magnet I need, which isn't at all square like I said before. Someone mentioned Napa might have them, but I'm sure KalTire, who was doing the brakes and repacked the bearings, would have checked with them. They said they could not find them anywhere. I am in Canada, so it might not be a standard thing up here. Do I need to get them from a special airstream dealer?

http://www.airforums.com/forum...1&d=1164434719
That magnet has been around for perhaps 50 years, and still is.

They are either for 10" or 12" brakes.

Your 67 trailer used 12" brakes.

It would appear that the servicing dealer is not familiar with older equipment.

Instead of replacing the magnets, you might consider replacing the backing plates. New backing plates (the complete brake assembly) now have oval magnets and are much more efficient than the round magnet type brakes.

Additionally, the oval type magnet backing plates have more stopping power than the round magnet type brakes ever did.

Andy
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Old 11-25-2006, 02:01 PM   #23
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Talking Magnets

I agrre with Andy. Replace the whole assembly. It is cheaper and safer to do this than buying the magnets alone. Also surface your brake drums becouse they will be rough and will tear up your new magnets and brake unit.
I did it few years ago and the cost was very reasonable. I did my own labor and the parts with resurfacing the drum ran about 80 dollars per wheel.
Regards Russell in Sunny Tucson Az.
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Old 11-25-2006, 05:55 PM   #24
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A rebuild is fine, replace any rusty springs maybe .50-3$ per wheel, wire brush the backing plate etc. The individual springs can be bought at any local RV place.
It would be good to paint the backing plate etc..

You can replace any or all the magnets, the wear is easy to see and you can test them with a basic volt meter.

One thing that I did is solder the mag wires disgarding the wire nuts.

Clean the bearings put in grease new seals.

Your good for 10,000 miles before a recheck.

Andy, I think, likes to promote new parts
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Old 11-25-2006, 06:16 PM   #25
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Quote:
Originally Posted by Lipets
Your good for 10,000 miles before a recheck.

Andy, I think, likes to promote new parts
Most Airstream owners prefer to do the "best" reepairs that can be done, as opposed to "good enough."

Upgrading and/or improving performance is also our motto., especially when it comes to safety items such as brakes.

Some brake parts are no longer available for the old "round magnet" electric brakes.

Not any springs will do, but the correct springs.

Springs will eventually fatigue crack. Replacing all of them is the safe way to go.

If a spring breaks, the first time you back up, the adjuster will drop out, tearing up the brakes and the hub and drum assembly. Trailers that have the very old hub and drums, also have small spindles. That hub and drum assemble has not been available for years.

Magnets cost about half of the cost of a backing plate, and with round magnets, you still have old style brakes, that cannot and do not perform as well as the oval magnet type electric brakes.

Magnets, unless new, must be replaced in pairs on each axle. If not, then you will have a brake pull.

Most often, the magnet arm stud has become loose. If so, that arm has not been available for years.

Bottom line is to upgrade and not take any chances, especially with safety items.

Andy
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Old 11-25-2006, 06:25 PM   #26
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Quote:
Originally Posted by Inland RV Center, In

If a spring breaks, the first time you back up, the adjuster will drop out, tearing up the brakes and the hub and drum assembly.
Andy, can you explain how that can happen?
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Old 11-25-2006, 06:30 PM   #27
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Andy, can you explain how that can happen?

That old fact of life called "experience," for over 40 years.

Andy
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Old 11-25-2006, 06:33 PM   #28
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I have over 40 years experience too, can you tell us how that can happen or not?

I don't think it can. But I always want to learn
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