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Machine Shop and Tool Talk

AU85 Flywheel Removal?


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  #21  
Old 09-11-2017, 09:43:54 AM
tdmidget tdmidget is offline
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Default Re: AU85 flywheel removal??

Quote:
Originally Posted by maxdub View Post
i know you got it off but half tranny fluid and half acetone does a better job than kroil and any other penetrating fluid. just saying might be heplful next time.
BS. The two won't even mix. There's more lies and myths about these 2 magical substances than one can shake a stick at.
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Old 09-11-2017, 11:49:07 AM
mcostello mcostello is offline
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Default Re: AU85 Flywheel Removal?

Have seen it on the internet there are 2 types of tranny fluid and 1 mixes better than the other.
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Old 01-24-2018, 01:24:24 PM
Rvrrat Rvrrat is offline
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Default Re: AU85 Flywheel Removal?

Back in the day, some 50 years ago, used crankcase oil mixed with a bit of lamp oil worked just fine as a penetrating oil. I was a kid trying to keep an amusement park railroad running with no money. Most of the park profits were turned into beer and whiskey for my step father.

The puller plus shocking with a hammer works pretty well with taper fit flywheels. The straight flywheels or gears with straight keys were a different story.
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Old 01-25-2018, 02:02:16 AM
cobbadog cobbadog is offline
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Default Re: AU85 Flywheel Removal?

Hopefully we will hear about this engine running again soon.
Auto transmission fluid and acetone does mix and works quite well for many Aussies so you must be mixing them back to front maybe.
Those 3 dimples that were drilled and tapped are the standard way that flywheel magnetos are removed on say Victa lawnmower engines. Here they are drilled and tapped to 1/4" Whitworth and it removes the flywheels usually easily. Being a restorer of the mowers I have had some very stuck flywheels and the thought of driving a wedge or screw driver under the edge of the flywheel can end in disaster for the stator plate as it is not supported. Heat certainly was not the answer in this case.
Just very happy that progress has and is being made.
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