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Author Topic: OC3 Bullgear  (Read 3552 times)
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DaveInMI
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« on: July 07, 2002, 06:41:27 AM »

It looks like the outer ring with gear teeth is seperate from the hub.  How should I go about seperating them?
« Last Edit: December 31, 1969, 07:00:00 PM by DaveInMI » Logged
John Schwiebert
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« Reply #1 on: July 07, 2002, 11:08:38 AM »

They were made that way as were most of the older Oliver wheel tractors, I know the wheel tractor version was not meant to be taken apart. I just checked my OC-3 parts book and they were only supplied as one piece.
« Last Edit: December 31, 1969, 07:00:00 PM by John Schwiebert » Logged

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DaveInMI
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« Reply #2 on: July 09, 2002, 05:55:26 AM »

The track rollers are shown as one piece and I have been heating & pressing them apart matching up the good pieces.  My furnace is too small for the bullgear.
« Last Edit: December 31, 1969, 07:00:00 PM by DaveInMI » Logged
Robert Barbour
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« Reply #3 on: July 09, 2002, 07:51:26 PM »

About 25 years ago I changed the hub on an OC 4.  The steel gear was pressed onto a cast iron hub that was broken. We found parts at a Clark industrial parts supplier and was able to buy the hub alone. I believe that the same tracks and drive are used on some airtrack drills.  At the parting line between the hub and gear were three or four large rivits.  I ground off the rivit heads, heated the gear a little and drove out the hub.  Drove in the new one and made new rivits from some large nails of the same size.
« Last Edit: December 31, 1969, 07:00:00 PM by Robert Barbour » Logged

Robert from Vancouver Island BC
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