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Old 10-24-2006, 06:52 PM   #29
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Quote:
Originally Posted by markdoane
You can prevent leakage past the grease seals with a very simple 'blow-out' fitting on your hubs.

Next time you order grease seals from Redneck Trailer Supply, also get a set of E-Z Lube hub caps, with rubber plugs. Don't get the hubs, just the press in caps to replace the solid steel caps.

If you accidently overfill the hub, it will first bulge out the rubber cap, then start to leak out the front so grease doesn't get on the brake linings.

Here's a picture.
i pity the next guy who grabs his grease gun only to find no zerk!

good concept however!

john
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Old 10-24-2006, 06:53 PM   #30
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Forget the E-Z lube; your real secret is that half-eaten apple

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Old 10-24-2006, 07:20 PM   #31
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Quote:
Originally Posted by john hd
i pity the next guy who grabs his grease gun only to find no zerk!

good concept however!

john
You need to insist that the zerks were there, he must have busted them off!

Then, while he is bent over studying the situation, you tap him on the shoulder and he ends up with a nose full of old grease.
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Old 10-25-2006, 06:24 AM   #32
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Huh?

Quote:
Originally Posted by markdoane

They build 200 million CVJ units each year.
Don,

What is a CVJ unit - just curious?

Regards,
Henry
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Old 10-25-2006, 09:09 AM   #33
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A constant velocity joint - the prop shaft on any front wheel drive car. They make 42% of the drive shaft assemblies used in the world (their numbers). All of them use cartridge bearing assemblies.
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Old 10-25-2006, 09:29 AM   #34
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Ok!

Don,

CV-joint (got it)!

Thanks,
Henry

PS: Cool info - thanks for sharing.
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Old 11-21-2006, 06:02 PM   #35
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Older Airstreams and Axles?

I'm new enough to the game to ask nussence questions. I have seen several references to axle replacement. Is this a common problem with older trailers? and how do you determin that one is bad or needs replaced?
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Old 11-21-2006, 06:10 PM   #36
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I'm new enough to the game to ask nussence questions. I have seen several references to axle replacement. Is this a common problem with older trailers? and how do you determin that one is bad or needs replaced?
Airstream used Henschen axles on your trailer.

The rubber rods used in the axles from 1974 and back, have a high failure rate.

The following article will help you to become an expert in checking out your axles yourself.

http://www.inlandrv.com/articles/dur...axle-92001.htm

Andy
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Old 11-21-2006, 06:15 PM   #37
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Quote:
Originally Posted by house
I'm new enough to the game to ask nussence questions. I have seen several references to axle replacement. Is this a common problem with older trailers? and how do you determin that one is bad or needs replaced?
Now there is a can of worms - I'll give you my simple answer and let the rst chime in. On your AS, which should be a torsion axle - it's the angle of the torsion arm in relation to the frame. More acurately it's the down angle of the torsion arm to the perpendicular axle axis. It should be down - oh say, 25 degrees when original - over time the rubber insert weakens and relaxes and this angle goes to some smaller number and the axle no longer gives the bounce (or prevents bounce) like it sould - transfering the shock directly to the body and that starts to damage stuff.

There are ALOT of threads on this subject - use the search option above and type in "axle replacement" - you will find all you need.

I did mine a month ago - on a 66 Caravel - it was worth it.

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Old 11-21-2006, 06:28 PM   #38
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Quote:
Originally Posted by Canoe stream
Just guessing but I believe they switched back to Henschens in February of this year.
why in the world did someone from 'ohio' revive a 4 year dead/zombie thread?

in post #6... hmm.

i'd heard this rumor too and perhaps repeated it....but don't think it happened...

a/s is still using dexters now (unfortunately) and since the switch in 05/06...

the other negative is they are now using dexter disc brakes on the factory side, while the factory service center uses kodiak, as does the dealer network...

i've been told the dexter brakes use pads not as widely available anyone know?

also, as i understood, the switch to dexter has to do with canadian certification...

dexter has full cert, while the long time j/c axle maker doesn't?...

so for less than 1% of the market we all get the the canadian spec'd part...

can anyone confirm this?

cheers
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my 05 has henschens...yes!
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Old 11-29-2006, 07:43 AM   #39
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My thoughts!

Quote:
Originally Posted by 2airishuman

also, as i understood, the switch to dexter has to do with canadian certification...

dexter has full cert, while the long time j/c axle maker doesn't?...

so for less than 1% of the market we all get the the canadian spec'd part...

can anyone confirm this?

cheers
2air'

my 05 has henschens...yes!
2air,

To the best of my knowledge, there are only 3 manufacturers of axles in the USA that have CSA (Canadian) approval. Henschen is NOT one (unless they got it recently). CSA certification is quite a process. The folks in Canada are very specific about trailer axle requirements and performance standards, while the folks here in the USA have no certification process. The axle certification takes time, money and a big commitment by an axle manufacturer. With out the certification - the axle is not allowed on the Canadian roadways. Some RV manufacturers stock two types of axles, CSA approved and non-CSA approved, they simply install the CSA axle when required. The problem is that if the axles are mixed and end up on the wrong unit - Canada is a long way to go to change an axle. Thus 90+% of RV companies choose to stock only the CSA axle. In other words CSA certified axles are approved in the USA - but USA axles (with no certification) are NOT allowed in Canada. The CSA approved axle is the better of the two axles - as they have met the test requirements.

I too wonder if the Airstream recall (lack of grease) wasn't a factor in switching to Dexter.

Additionally, as an RV manufacturer (or any manufacturer for that matter), it is not the smartest move to single source a product such as an axle. When I worked at Jayco we had a single source for plastic parts - this was great until the vendor had a fire and almost shut us down for a month. That was a hard lesson and the last of the "we get these from this vendor only" days.

Also (last but not least) Airstream owned Henschen for a long time - until recently. Of course they would use Henschen when they owned the company but Henschen has sold twice recently - perhaps things have changed at Henschen convincing Airstream to look around a bit. In this looking process - I am sure that the Engineering team at Airstream selected the best (as they are so good at doing) alternative for the customer. The folks at Airstream have invested millions of dollars into R&D and would NOT use a Dexter axle if it were a "lesser" product.

Just several thoughts from a retired Axleman!

Best regards,
Henry
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Old 11-29-2006, 09:18 AM   #40
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Quote:
Originally Posted by axleman
Airstream has used Dexter axles. Additionally confusing - is that - a Henschen axle uses a lot of Dexter parts. Check the serial number tag on the axle ...
Henry -- I'm sure I could find it but please jump start me on the location. Thanks
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Old 11-29-2006, 10:23 AM   #41
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Perhaps!

Quote:
Originally Posted by Canoe stream
Henry -- I'm sure I could find it but please jump start me on the location. Thanks
Canoe stream,

I think you're looking for the serial number tag correct?

Typically, these tags are located on the main tube body of the axle. I know Dexter and Axis locate these tags on the center of the axle beam facing the front of the coach. They usually contain the following information:
1. Axle Manufacturer
2. Axle Manufacturer address
3. Axle serial number
4. Axle capacity
5. CSA approval (if built to CSA spec)

Older axles used a serial number band, embossed and wrapped around the axle tube. Some manufacturers also stamped numbers into the axle tube itself.

I hope this helps,
Henry

PS: This info is required for any warranty work required on the axle. The industry standard torsion axle warranty is 5 years from date of purchase. Additionally it is of great help when seeking replacement parts.
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Old 11-29-2006, 10:41 AM   #42
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From what I understand Henschen has been certified for the past 20+ years, not very recently as mentioned in post 39 above.
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