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Old 09-25-2021, 06:19 AM
Workingstiff Workingstiff is offline
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Default Flywheel castle nut orientation
Hey folks, I removed my '75 12hp flywheel because I have to repair my stator wiring harness due to mice. The castle nut was installed with "cuts" to the mating surface of the flywheel. Is this correct? Is replacing the seal a good idea since I'm there or is the quality and longevity of the stocker better than the replacement?
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Old 09-25-2021, 06:53 AM
R Bedell R Bedell is offline
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Quote:
I removed my '75 12hp flywheel
I am going to assume you are working on a Kohler K-301.

Quote:
The castle nut was installed with "cuts" to the mating surface of the flywheel.
Not clear what you mean by "cuts". How about a picture of what you are talking about?

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Old 09-25-2021, 08:14 AM
Workingstiff Workingstiff is offline
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I'm assuming it's a K301, I haven't had the head off, I looks identical to my other motor.

I believe someone was in here before, one of the Phillips pan head screws was rounded out on the grass screen. I tried to grind a groove in it with my grinder. I had to weld a nut on it to finally get it off.
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Old 09-25-2021, 08:51 AM
finsruskw finsruskw is online now
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It was wrong side out.
solid side goes towards the flywheel.
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Old 09-25-2021, 09:47 AM
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Castellations do mot mate with anything, always away from the mating surface.

As for the seal I don't know. If you didn't disturb it leave it be, that's my thought.
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Old 09-25-2021, 10:20 AM
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Don't fix what ain't broke, a flywheel seal on that engine is not a big deal.
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Old 09-25-2021, 01:37 PM
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Originally Posted by green407 View Post
Castellations do mot mate with anything, always away from the mating surface.
Ok, as I thought.

Thank you fellas
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Old 09-28-2021, 03:32 AM
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Can I bother you folks for the torque specs for this?
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Old 09-28-2021, 04:11 AM
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50 -60 ft/lbs

page 12.16 in the Kohler Manual.
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Old 09-28-2021, 03:57 PM
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Thank you, I see you keep similar hours,lol
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