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Hit & Miss Gas Engine Discussion Meet collectors of hit and miss engines, ask questions about collecting, restoring and showing antique flywheel engines.

Hit & Miss Gas Engine Discussion

Economy Flywheel Installation


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  #1  
Old 08-05-2019, 09:13:08 PM
Mark20h Mark20h is offline
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Default Economy Flywheel Installation

Does anyone know the correct way to push the flywheels onto the crank? mine came off real hard and I don't want to beat them on. thank's
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Old 08-05-2019, 09:46:33 PM
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Dick Graybill Dick Graybill is offline
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Default Re: Economy Flywheel Installation

I use a piece of emery cloth and clean it really good.
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Old 08-05-2019, 10:49:53 PM
pigpen60 pigpen60 is offline
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Default Re: Economy Flywheel Installation

Pictures would be cool!
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Old 08-05-2019, 11:30:18 PM
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Default Re: Economy Flywheel Installation

yup, sand cloth the shaft and inside the pully hole, if still bad turn a little off the pully with a lathe, p.s. oil or grease shaft use a wood block and mallet to tap the flywheel on gental…..

Last edited by ulgydog56; 08-05-2019 at 11:32:46 PM. Reason: more
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Old 08-06-2019, 12:23:41 AM
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Default Re: Economy Flywheel Installation

Hi Mark,

I know from previous posts that you pulled the flywheels off. Is the crankshaft relatively smooth and the flywheel bore relatively clean inside? If so I would not sand them or use emery cloth. Every time you do that, it takes valuable metal away that you can't replace. The flywheels with the pinch bolt were designed to have a small wedge driven in the slot gently. This usually expanded them enough to allow them to be pushed or driven on gently. You can then insert the Bolt & Key.

The same theory works when removing them. I have made a wedge by tapering the edge of Steel stock. I would use as wide of a wedge as possible to distribute the pressure across the face of the gap in the flywheel hub. Make the ramp of the wedge as gradual as possible too. Just my thoughts. Good luck.

Last edited by Joel Mosley; 08-06-2019 at 09:16:02 AM.
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Old 08-07-2019, 03:45:43 PM
Mark20h Mark20h is offline
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Default Re: Economy Flywheel Installation

I put the crank in the lathe and polished it, using fine paper and finished with crocus cloth. I didn't do anything to the bores if the flywheels yet. I used a shallow tapered chisel to spread the spaces out. after reading a post warning about cracking the hub I am reluctant to use it again. I made a puller to pull it on, the same puller just pulled the gear on with no trouble. If nothing goes wrong I am taking it to Buckley next week to run it. Thanks to all for all the good advice throughout this project.
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