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Subject: 8N Ring Gear

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Cal Sexsmith    Posted 08-22-2019 at 13:44:20 [URL] [DELETE]        [Reply] [Email]  
  • 8N Ring Gear
  • I took the flywheel from my 8N to an engine re-builder to have a new ring gear installed. Unfortunately the ring gear is loose on the flywheel. The re-builder is suggesting to pin the ring gear to the flywheel. Is this an acceptable solution?

    Tim Daley(MI)    Posted 08-23-2019 at 06:59:42 [URL] [DELETE]        [Reply] [No Email]  
  • Re: 8N Ring Gear
  • Take heed with what Bruce said. Your “mechanic” mucked up by using the wrong ringgear whether intentionally or not. He either didn’t know or had one he wanted to get rid of. Don’t pin it. Take it back and demand a refund. People tend to accept pee-poor quality these days and not enough folks complain and do what is right –return it. Now, I cut my teeth on NC Machining turning Ford 6375 flywheels for service in 1975, and we did all the machining and assembling including sweating ringgears on, balancing, and packing in individual Ford labeled boxes. I have the original blueprints for all those flywheels and ringers, including the N-Series Tractors, and the ringgear is tempered steel with the I.D. 1/16” (.06”) smaller than the diameter of the ringgear diameter of the flywheel cold. Ringgears were heated up then set on the flywheel by hand in a gas oven. If your guy won’t rectify the problem with the correct ringgear, p/n 9N-6384, get your money back and go to Dennis Carpenter or Just8Ns and get the right one.

    Tim Daley(MI)

    Ultradog MN    Posted 08-22-2019 at 17:41:48 [URL] [DELETE]        [Reply] [No Email]  
  • Re: 8N Ring Gear
  • I would just put about 4 good 3/4" long tack welds on it. Cheap and easy. If the ring gear ever has to come off again it is easy to cut the welds with a slitting wheel.

    Bruce (VA)    Posted 08-22-2019 at 14:49:33 [URL] [DELETE]        [Reply] [Email]  
  • Re: 8N Ring Gear
  • You paid him to fix the ring gear, correct?

    If so, then have him install the new ring gear correctly. At no additional cost.

    He screwed up the installation and now wants to do a half-assed fix.

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