Clutch question...

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Model T Ford Forum: Forum 2012: Clutch question...
Top of pagePrevious messageNext messageBottom of page Link to this message  By Marshall V. Daut on Monday, October 22, 2012 - 04:03 pm:

Can an O-ring, flat retaining washer and light spring be used on the exterior of the exposed clutch shaft between the arm and the hogshead? Or does the clutch shaft need to go inwards when activated? A spring and washer would prevent inboard motion if the shaft is supposed to move inward. I'm trying to seal up possible leaks that could develop from an aluminum hogshead and thought an exterior O-ring between the clutch arm and hogshead might be a secondary oil stopper to the ones I installed inside on both sides of the shaft. (The pedals were also sealed with O-rings beneath the exterior supports) Would adding a spring, washer and O-ring on the outside cause clutch activation problems? Too much of a good thing maybe?
Thanks in advance!
Marshall


Top of pagePrevious messageNext messageBottom of page Link to this message  By James Michael Rogers on Tuesday, October 23, 2012 - 07:13 am:

Marshall, all the pedal shafts on the T are cam loaded. All three move inward to create the clamping motion for the bands.


Top of pagePrevious messageNext messageBottom of page Link to this message  By Allan Richard Bennett on Tuesday, October 23, 2012 - 07:28 am:

James, I think Marshall is talking about the shaft on which the clutch forks are fixed. This does not slide but does partially rotate.

When I rebuilt mine I made a fly cutter to make a land for a proper oil seal on the outside of the cover. This seal is almost invisible when fitted.
This is coupled with reaming the cover to accept a thin walled bronze bush for the shaft to run in. This bush I left protruding on the opposite end and a small cup type freeze plug is inserted in that end to make a positive plug at the open end of the shaft.

Just for interest.

Allan from down under.


Top of pagePrevious messageNext messageBottom of page Link to this message  By Kerry van Ekeren (Australia) on Tuesday, October 23, 2012 - 07:35 am:

Clutch shaft only swivels back and forth so what you have done and adding the extra spring and o ring on the out side as well, would not affect it's operation.


Top of pagePrevious messageNext messageBottom of page Link to this message  By Marshall V. Daut on Tuesday, October 23, 2012 - 09:29 am:

Thank you, all! I will proceed with the exterior seal on the clutch shaft as I described. Maybe it will help. 'Couldn't hurt, apparently! I like Allan's modification and I'm sure it will be more effective than the O-rings I am using. Too bad I'm not as machinist to be able to do it Allan's way.
Regards,
Marshall


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