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Ping Slacker - Idrive tech stuff.
Slacker,
I'm servicing a friend's Idrive 1.0 this week. We think the dog bone linkage may be worn and there's visible play in the eccentric itself - would one cause the other or is a small amount of play normal? Also in search of any general Idrive servicing tips - you seem quite clued up about these machines. Andy Chequer. |
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Ping Slacker - Idrive tech stuff.
Andy Chequer wrote:
Slacker, I'm servicing a friend's Idrive 1.0 this week. We think the dog bone linkage may be worn and there's visible play in the eccentric itself - would one cause the other or is a small amount of play normal? Also in search of any general Idrive servicing tips - you seem quite clued up about these machines. Andy Chequer. The play in eccentric would definitely wear the dog bone bushes much faster. There shouldn't be any play in it. Think about it, the BB is housed right smack in the middle of it all... could really screw around with your shifting. I highly suggest procuring, at a minimum, a new pair of eccentric bearings and dog bone bushes (preferably just replace the dog bone too)from http://www.betd.co.uk/acatalog/BETD_SHOP_XCR_I_Drive_Parts_21.html or the shop of your choice. When you get the new bearings, pack them with the thickest marine goop you can find. Be careful not to use too much, especially on the races. The tolerances are pretty tight, and too much grease will cause the bearing cage to not seat properly and twist, jacking it up... don't ask me how I know this ;-) Just keep this in mind when your reassembling everything: Treat the eccentric the same as you would your headset. You want to tighten to the point of no play what so ever, but not enough to crush the bearings. The cams should go together nice and smooth, but it will be a little tight... they have really fine threads (make sure to put a thin coat of that same grease on the threads too). It's actually pretty easy to work on and service. Oh yeah, you'll most likely have to remove the BB cup on the non-drive side because it will block you from being able to unscrew the eccentric. You'll see what I mean when you get there. Any other questions just shoot them over... I'll help as much as I can. -- Slacker |
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Ping Slacker - Idrive tech stuff.
Snipped useful stuff
Cheers Slacker I'll have a look see at it later in the week. Certainly expecting to replace the dog bone, it would be nice to reuse the eccentric bearings as they're quite expensive but we'll see. I'll let you know how I get on..... Andy Chequer |
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Ping Slacker - Idrive tech stuff.
(Speaking as the owner of said I-drive)
Thanks for the advice. I was planning to get a new dog bone kit, and see how the bearings look when I get at them. The only downside being that BETD's website won't accept my order. Looks like I'll have to 'phone them or something. Rob Adams. "Andy Chequer" m wrote in message ... Snipped useful stuff Cheers Slacker I'll have a look see at it later in the week. Certainly expecting to replace the dog bone, it would be nice to reuse the eccentric bearings as they're quite expensive but we'll see. I'll let you know how I get on..... Andy Chequer |
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