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Craig Drabik
Joined: 09 Jun 2009
Posts: 72
Location: United States, New York, Buffalo
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 Posted: Wed Jun 08, 2011 6:31 am Post subject: WF Clutch Spring Tool |
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| Is there a tool or jig available anywhere for changing clutch springs on the stock Titan clutch? I've done some web searching but can't find anything. |
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Bernie Lacotta
Joined: 21 Mar 2006
Posts: 166
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| Posted: Wed Jun 08, 2011 1:19 pm Post subject: Re: WF Clutch Spring Tool |
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| Craig Drabik wrote: | | Is there a tool or jig available anywhere for changing clutch springs on the stock Titan clutch? I've done some web searching but can't find anything. |
This isn't the easiest task in the world ! Actually by putting two springs on , you should be able to get all three shoes on the hub. I then use a vise to get the shoes in place on the hub and can usually get the third spring in place with a pointed rod ( awl , scribe , etc.). It's not easy , I wouldn't mind hearing other methods, but it's not the impossible task it sometimes appears to be. This is a shop project . I prefer to carry a spare cartridge with me , in addition to a spare clutch.
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Joe Sica
Joined: 31 Jul 2008
Posts: 169
Location: United States, New Jersey,
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| Posted: Wed Jun 08, 2011 9:13 pm Post subject: Re: WF Clutch Spring Tool |
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| Craig Drabik wrote: | | Is there a tool or jig available anywhere for changing clutch springs on the stock Titan clutch? I've done some web searching but can't find anything. |
I know that over in the Rotax forums I saw a homemade tool a couple of years ago. The old style rotax clutch was very similar to the titan and a guy in the rotax forums posted a link to pictures of his spring tool.
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Craig Drabik
Joined: 09 Jun 2009
Posts: 72
Location: United States, New York, Buffalo
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Bernie Lacotta
Joined: 21 Mar 2006
Posts: 166
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| Posted: Sun Jun 12, 2011 6:33 am Post subject: Re: WF Clutch Spring Tool |
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[quote="Bernie Lacotta"] | Craig Drabik wrote: | | Is there a tool or jig available anywhere for changing clutch springs on the stock Titan clutch? I've done some web searching but can't find anything. |
This isn't the easiest task in the world ! Actually by putting two springs on , you should be able to get all three shoes on the hub. I then use a vise to get the shoes in place on the hub and can usually get the third spring in place with a pointed rod ( awl , scribe , etc.). It's not easy , I wouldn't mind hearing other methods, but it's not the impossible task it sometimes appears to be. This is a shop project . I prefer to carry a spare cartridge with me , in addition to a spare clutch.[/quote
Funny thing happened last night. Broke a spring during qualifying! Was able to remove clutch , change out cartridge and get out for the heat race with time to spare. Slowest part was removing the clutch drum as the shoes are pulled into the drum ,thus locking it up , when one spring breaks. If you don't have a spare clutch or cartidge you are most lokely done for the day.
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Craig Drabik
Joined: 09 Jun 2009
Posts: 72
Location: United States, New York, Buffalo
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| Posted: Mon Jun 13, 2011 7:27 am Post subject: |
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The number goes to someone other than Onpoint Motorsports, and I've not been able to find any other information about the tool as of yet. I'd hate to send this stuff out. We don't really have a local shop, and I've already got two spare cartridges that I just want to refresh.
From the video, it looks like once you remove the shoes from the hub in one piece (without removing springs), the tension on the springs would be released enough where you could easily remove and replace them. My guess would be that the shaft is tapered so that as you re-mount the shoes, they get "stretched" to the proper placement to slip back onto the hub
I think I can probably tap the hub out without the tool, and maybe then use Bernie's method to put it back together. |
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Bernie Lacotta
Joined: 21 Mar 2006
Posts: 166
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| Posted: Mon Jun 13, 2011 8:21 am Post subject: |
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| Craig Drabik wrote: | The number goes to someone other than Onpoint Motorsports, and I've not been able to find any other information about the tool as of yet. I'd hate to send this stuff out. We don't really have a local shop, and I've already got two spare cartridges that I just want to refresh.
From the video, it looks like once you remove the shoes from the hub in one piece (without removing springs), the tension on the springs would be released enough where you could easily remove and replace them. My guess would be that the shaft is tapered so that as you re-mount the shoes, they get "stretched" to the proper placement to slip back onto the hub
I think I can probably tap the hub out without the tool, and maybe then use Bernie's method to put it back together. |
I haven't seen the tool that is referred to but the idea of a tapered device sounds good. Hopefully I'll get a little time to fabricate one soon.
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Karl Cleeton
Joined: 27 Mar 2006
Posts: 116
Location: United States, California, Benicia
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| Posted: Mon Jun 13, 2011 6:08 pm Post subject: |
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| Over on the other forum Rick R wrote: | It really isn't that hard to change springs once you have done it or seen it done .One of the simpliest tools to use is a d cell mag light or similar tapered tool or flashlight.
-disassemble clutch to cartridge
-remove side plates
-place flashlight skinny side down
-place clutch on top
-hammer shoes off of spur and onto flashlight
-hammer shoes down the taper and dissassemble
-assemble shoes with new springs on small end of flashlight
-hammer shoes up the taper to the end
-place spur on floor and place flashlight with shoes against spur
-tap shoes onto spur
-reassemble clutch
I'm sure I didn't make that as clear as it should be but you probably figure it out from that anyway once you have done it once it really is simple.
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I haven't actually tried this mag light method yet, but I've changed out plenty of Comer clutch springs. Following these same basic steps and using the tapered Comer clutch tool, the idea of using a taper to expand the clutch pack is the same. |
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Chris Hatch
Joined: 02 Mar 2004
Posts: 405
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| Posted: Thu Jun 23, 2011 3:04 pm Post subject: |
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| get an extra hub (the spokes) and a grinder. Grind down the spokes at an angle. Noe use that as a jig to hammer (think taps not pounding) on and off the shoes of the hub. Simple, easy, and fast. |
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