I have a crank problem :(

[onelakefly]

Unfortunately, I wasn’t paying complete attention when trying to remove the flywheel. I did not realize the puller was penetrating the threaded end of the crankshaft until it was too late. What would you suggest doing in this case? A machine shop? A used crank? A parts motor?(although I kinda wanted to get the thing running) It’s a 1958 Scott-Atwater 7.5hp
35851068 R.

• This topic was modified 4 years, 8 months ago by Mumbles.

[jeff-register]

I need to look what powerheads I still have & it’s yours free, just shipping costs. I’m not doing that well with my health & need to check the shed which is 120 degrees in the shade. No one told you to put the nut back on loose to prevent splitting & the fact metalorgy wasn’t that good in the 50’s. We all learn from mistakes but I hope I can help,
Jeff

[amuller]

Hmmm. Any chance you could trim some of that mess off and have enough threads left to hold the flywheel on?

[onelakefly]

Yes, I’ve managed to get the nut back on…sort of crooked, but on. I don’t feel real good about that flywheel spinning in that condition. It’s probably ok though.

[onelakefly]

That would be mighty kind of you! 🙂

[onelakefly]

And you’re absolutely right! I never thought about putting the nut back on before using the puller. That make complete sense!

[fleetwin]

I’m so sorry, that is a shame. I could totally see me making the same mistake…

[amuller]

I would say if the nut is on “crooked” it’s not OK. You only need a few threads to be engaged, they need to be engaged properly.

[The Boat House]

[Buccaneer]

Tubs, you must have been “popping wheelies” and over torqued that one!

Prepare to be boarded!

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