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Idler gear wear
https://www.ausmini.com/forums/viewtopic.php?f=2&t=84923		 Page 1 of 1
Author:  mini0998 [ Mon Mar 17, 2014 6:27 pm ]
Post subject:  Idler gear wear
Started on gearbox tear down tonight (rod change) and when I removed the idler gear there is a lot of wear behind the idler gear on the face of the gearbox case. At least 1mm of wear plus some deeper scrapes in the case. Any ideas on how to fix this or am I better off looking for another gearbox case?
Thanks.
Author:  MiniVLT [ Mon Mar 17, 2014 6:33 pm ]
Post subject:  Re: Idler gear wear
You can get oversize shims / thrust washers, but there is a limit. Also will depend on your transfer case gasket thickness, there a three different sizes floating about!

Cheers Shane
Author:  drmini in aust [ Mon Mar 17, 2014 6:53 pm ]
Post subject:  Re: Idler gear wear
Assuming there is no more than 1mm of wear on there, you could remove all the studs, clamp the box level on a milling machine and machine the gasket face and the idler gear boss flat.
Alternatively you could just machine the idler boss flat, and get a toolroom to make up a thicker thrust washer. This must be hardened and ground... design as per the originals.

Personally if wear is more than 1mm I'd be looking for another case. :wink:
Author:  mini0998 [ Tue Mar 18, 2014 7:55 am ]
Post subject:  Re: Idler gear wear
Might be easier to get another case then.
Thanks.
Author:  boomini [ Wed Mar 19, 2014 12:37 am ]
Post subject:  Re: Idler gear wear
You love your milling machine dont you doc?
Author:  drmini in aust [ Thu Mar 20, 2014 8:09 am ]
Post subject:  Re: Idler gear wear
boomini wrote:
You love your milling machine dont you doc?


I'm a machinist among other things, so yes I enjoy it. What I can't buy now I can often make. I love my Myford Super 7 lathe too... 8)
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