1970s Style Cast Iron Gear Case Dissassembly - Page 2 - Snowblower Forum : Snow Blower Forums
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post #11 of 14 Old 02-23-2015, 09:56 PM
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Originally Posted by Shryp View Post
The impeller bearing between the impeller and large pulley is a ball bearing. It runs around $20 - 25. The auger shaft bushings don't get greased from the shear pin grease zerks. I squirt some motor oil on mine when I have them off, but I don't know if it matters much. They are suppose to be made of oil impregnated bronze and be self oiling.
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post #12 of 14 Old 02-23-2015, 10:46 PM
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I'm going to throw my 2 cents in at this point.
Don't be tempted to lube "self lubricating" bushings with WD40 or other penetrating oils, they are actually solvents and will remove the oils that impregnate the bushings consequently causing them to fail prematurely.
Stick with motor oils.
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post #13 of 14 Old 05-17-2015, 03:13 AM Thread Starter
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Here is a link to a thread on the 60's style gearboxes that shows a few things not covered here.

1961 10ML55 Impeller seal replacement

Please direct all snow blower questions to the forums and not to me with PMs.
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post #14 of 14 Old 01-17-2017, 03:13 PM
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I'm working now on a blower with this gearbox. Interesting that it seems to use hypoid gears (offset spiral bevel) rather than a worm and wheel.
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