Disassemble BMW steering damper - BMW Luxury Touring Community
 
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post #1 of 8 Old Nov 30th, 2009, 11:12 am Thread Starter
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Disassemble BMW steering damper

Has anyone taken one apart and replaced the viton ? seals ?.

If so, where did you purchase them ?.

Thanks in advance
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post #2 of 8 Old Nov 30th, 2009, 11:44 am
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Re: Disassemble BMW steering damper

A possible source for seals would be a Parker Hannifan distributor. You would want one that carries thier seal line. Possibly in your area there might even be a Parker Store. I have found them to be a good source for sealing products.

Second choice would be a cylinder repair shop. They might be able to source seals for this also.

Are these O-ring seals or cup style seals. I couldn't tell from the picture.

good luck

Roy

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post #3 of 8 Old Nov 30th, 2009, 2:20 pm
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Re: Disassemble BMW steering damper

I went in to a local bearing retailer (Dixie Bearing) and showed them one of the old seals. They had me two new ones in a couple of days and they were less than $5.00 each. They worked great too. Only problem was when I put the damper back on the LT, I left one washer off and when I tightened the bolt attaching it to the fork brace, I put a very nice dimple in the cylinder and now the piston doesn't move freely past that point.

An afternoon with a small file and hone got me back to work, but now I'm having problems getting the seals back into place. Could be that with such pressure on the piston, I may have distorted the cylinder to where it isn't perfectly round? Either way, it's back to the drawing board.
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post #4 of 8 Old Nov 30th, 2009, 3:33 pm Thread Starter
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Re: Disassemble BMW steering damper

Thanks so far.

I live in Europe so am unable to use the companies you mention.

I am about to try and source them from this company http://www.jiorings.com/
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post #5 of 8 Old Nov 30th, 2009, 7:49 pm
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Re: Disassemble BMW steering damper

Quote:
Originally Posted by simoncharles
Thanks so far.

I live in Europe so am unable to use the companies you mention.

I am about to try and source them from this company http://www.jiorings.com/
They may have them if you know the sizes.

Parker Hannifan is a world wide corporation.

Roy Gregersen

Ride Slow, Ride Fast, Always Ride Safe
85 K100RT sold
02 LTC DOA 9/21/14
12 R1200RT
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post #6 of 8 Old Nov 30th, 2009, 8:10 pm
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Re: Disassemble BMW steering damper

Quote:
Originally Posted by simoncharles
Has anyone taken one apart and replaced the viton ? seals ?.

If so, where did you purchase them ?.

Thanks in advance
I've ridden my LT for thousands of miles - MINUS the damper.

Even when it was brand new and functioning perfectly it never even started to attenuate a severe tank slapper caused by a severely cupped front tire. From my point of view it is worthless... I would not re-build it.

It pretty much belongs in the trash, along with the stock Showa shocks.


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post #7 of 8 Old Dec 1st, 2009, 2:49 am Thread Starter
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Re: Disassemble BMW steering damper

Roy, tried the Parker website but keeps sending me back to USA/Canada.

I agree about the Showa shocks. Replaced mine with Ohlins two years ago. Not so sure I would be happy with no damper. If it doesnt work, I will purchase a Hyperpro.
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post #8 of 8 Old Dec 1st, 2009, 10:38 am Thread Starter
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Re: Disassemble BMW steering damper

I downloaded the pictures from here. Gives a better idea about the internals.

Try Google translator to understand what it says.

http://wiki.bmw-bike-forum.info/inde...fer_reparieren
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