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PostPosted: Tue Apr 23, 2013 11:42 pm 
retrobike rider
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Joined: Tue Mar 17, 2009 3:55 pm
Posts: 4309
Location: In trubble'fsumthin r'uther....North Warwickshire
Hello everyone......I've just taken apart a spare set of manitou 1 forks that came to me sealed tight......a bit of gentle persuasion (large rubber mallet!) and I'm inside to find the elastomers have turned to chewing gum. Boiling water has melted them and I've recovered all the washers etc, but the inside of the lower legs is covered in melted rubber which looks like its going to be a bitch to clean out!.....anyone any experience or tips that may help?..... :D


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PostPosted: Wed Apr 24, 2013 6:37 am 
Dirt Disciple
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Joined: Fri Feb 18, 2011 11:27 pm
Posts: 44
Location: Long Beach, CA
I just went through this.

What I did was pull off one leg and removed the skewer that held the elastomers. Then I took: an old t-shirt, sprayed it with degreaser, wrapped that around a wooden dowel (or a looong wooden spoon), and twist it for a while, pull it out-change rag-rinse and repeat.

(And this looks really dodgy if you do this with your back turned...)


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PostPosted: Wed Apr 24, 2013 8:33 am 
retrobike rider
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Joined: Tue Mar 17, 2009 3:55 pm
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Location: In trubble'fsumthin r'uther....North Warwickshire
:lol: ......did the degreaser have any chemical effect in breaking down the rubber, or was it just a case of having to scrape it all out?......you can imagine the consistency of melted fork elastomer!.....the inside of the fork leg looks like a gremlin hatched inside it!!..... :shock:


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PostPosted: Wed Apr 24, 2013 3:29 pm 
Dirt Disciple
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Joined: Fri Feb 18, 2011 11:27 pm
Posts: 44
Location: Long Beach, CA
It's more of a case of scraping the stuff out, but the degreaser (I used Simple Green) once you get the chunky parts out-works well with not only cleaning the thin layer of melted elastomer goodness, but cleans out all the leftover caked on lube.


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PostPosted: Thu Apr 25, 2013 6:07 pm 
.o.T.M Triple Crown Winner
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Joined: Sun Dec 31, 2006 12:59 pm
Posts: 3135
Location: Sunny South of France
I'm going to upgrade my manitou with pace MCU elastomers : very better damping than original manitou and still avaible.
For the grease : pace RC7
:wink:


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PostPosted: Thu Apr 25, 2013 9:10 pm 
Old School Grand Master
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Joined: Sun Sep 05, 2010 1:10 am
Posts: 4756
Location: Heathfield, East Sussex
I used oven cleaner to dissolve mine, and plenty of boiling water...

...then the rag-on-a-stick approach to finish them off nicely 8)


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PostPosted: Fri Apr 26, 2013 12:07 pm 
Gold Trader / Special
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Joined: Wed Aug 27, 2008 3:48 pm
Posts: 3169
Location: Leicestershire
I used acetone and cotton wool to clean mine out.


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PostPosted: Fri Apr 26, 2013 3:57 pm 
retrobike rider
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Joined: Fri Mar 13, 2009 7:19 pm
Posts: 3133
Location: Leeds, for ages!
have a look at this olde thread.


viewtopic.php?f=1&t=95354


i'ts not easy to decide whether or not to rebuild like for like as the new elastomers may do the same. A spring conversion is often considered when you look at the price of new elastomers vs performance.

http://www.suspensionforkparts.net/


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PostPosted: Fri Apr 26, 2013 6:30 pm 
Retro Guru
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Joined: Thu Sep 01, 2005 10:56 am
Posts: 609
Hi there, I put the insiders of mine under a bath of WD40 for almost a week ...

Image

Image

Considered to put M Sport´s stanchions ...

Image

Suspensionforkparts Manitou I refresh kit installed:

Image

And the final result:

Image


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PostPosted: Fri Apr 26, 2013 8:41 pm 
Retro Guru
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Joined: Wed Jan 04, 2006 2:33 pm
Posts: 1305
Location: Near Ilkley
Hi feetabix. Sorry to ask, but were yours actually seized or did they move ?
I've got two pairs that are locked and I guess ar some point i'll need to go through this.


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