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Idler gear bearing removal
https://www.ausmini.com/forums/viewtopic.php?f=2&t=71274		 Page 1 of 1
Author:  IndigoBlueCooperS [ Tue Jun 14, 2011 9:20 pm ]
Post subject:  Idler gear bearing removal
How does one remove the idler gear bearing from the flywheel housing without a fancy puller?
Is there a simple home made option for a puller?
Any help appreciated.
Author:  850man [ Tue Jun 14, 2011 9:24 pm ]
Post subject: 
Heat the housing up around the bearing with an oxy and swifty bang it on a flat bench. The bearing will usually fall out. Easy.
Author:  wobbles_55 [ Tue Jun 14, 2011 9:58 pm ]
Post subject:  Idle Gear
Or if you don't have an Oxy set and you have a good BBQ with a Hood on it, that will work great as well. Preheat the BBQ first then place it in bearing side down, leave on high for 5-10 and wa la, its ready for bearing removal, if you are lucky the first main bearing outer has dropped on the the cook plate if not one swift dropping wack on to a steel bench or in my case a piece of 25mm thick plywood... :P Just remember to wear welding gloves.. It can be hot! :wink:

If that fails, well I i have a internal bearing puller set!

Oh also the dishwasher is great for washing parts as well, just don't let the minister of war and finace find out.... :roll: :lol:
Author:  simon k [ Tue Jun 14, 2011 10:07 pm ]
Post subject: 
put a long bolt in it head first, put a washer over it and weld it in, then yank it out with a piece of chain or similar over the bolt (with a nut on it)
Author:  drmini in aust [ Tue Jun 14, 2011 10:11 pm ]
Post subject: 
simon k wrote:
put a long bolt in it head first, put a washer over it and weld it in, then yank it out with a piece of chain or similar over the bolt (with a nut on it)

... or a hollow spacer (I use a rubber U/J drive yoke) with a nut and washer, then just wind it out. I keep the bolt and washer for the next time. :wink:
Author:  Wombat [ Tue Jun 14, 2011 10:17 pm ]
Post subject: 
I've used the Doc's method - kept the bolt till I moved - can't find it now :roll:
Author:  simon k [ Tue Jun 14, 2011 10:23 pm ]
Post subject: 
drmini in aust wrote:
simon k wrote:
put a long bolt in it head first, put a washer over it and weld it in, then yank it out with a piece of chain or similar over the bolt (with a nut on it)

... or a hollow spacer (I use a rubber U/J drive yoke) with a nut and washer, then just wind it out. I keep the bolt and washer for the next time. :wink:


ahhhh - that's right!! last time I did it I had access to an internal puller, but yes, the time before I remember asking you how to do it and that's what you said. I used the flanged nut from the throwout stop
Author:  IndigoBlueCooperS [ Tue Jun 14, 2011 10:30 pm ]
Post subject: 
Thanks All.

Will give the Doc's method a go.

Is this something for the How To post?
Author:  simon k [ Tue Jun 14, 2011 10:42 pm ]
Post subject: 
yeah, go for it - take some photos :)
Author:  GT mowog [ Wed Jun 15, 2011 7:01 am ]
Post subject: 
If you've got an electric welder, run a bead of weld on the inside of it, that'll shrink it enough to get it out.

Another way, if you have a Dremal is to carefully grind it in two places but try to avoid the casing.
Author:  IndigoBlueCooperS [ Wed Jun 15, 2011 9:35 pm ]
Post subject: 
Removed the bearings from the flywheel housing today.
Welded some washers with bolts inside the bearings and then pulled them out as per the photos.
Make sure you clean all the oil from the area first so you get a good weld on the bearing.

Idler gear bearing
Image

First motion shaft bearing
Image

Idler gear bearing with bolt welded into it after removal of the “puller”.
Image
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