Odd cam bearing set screw

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Corey Walker
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Joined: Sun Jan 06, 2019 11:46 am
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* REQUIRED* Type and Year of Model Ts owned: 1914 runabout, 1921 homemade truck, 1921 Speedster
Location: Brownsboro, TX
Board Member Since: 2007

Odd cam bearing set screw

Post by Corey Walker » Mon Jul 22, 2019 11:44 am

I thought I’d finish disassembling this 1920 block this morning and the front cam bearing set screw looked like part of it was broken off. I then found a ball bearing inside to hold the bearing. I’ve never seen that before. I suppose that it was a fix from not having another screw but I don’t know how one of those screws could get damaged in the first place.
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Corey Walker, Brownsboro, Texas


Scott_Conger
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Re: Odd cam bearing set screw

Post by Scott_Conger » Mon Jul 22, 2019 2:09 pm

Corey

an undersized pin on the screw or an oversized hole on the bearing can lead to quite a bit of knocking. I think someone down on the farm, in the past, applied a little American Genius to his car and solved the knocking problem.

Thanks for sharing!
Scott Conger

Tyranny under the guise of law is still Tyranny

NH Full Flow Float Valves™
Obsolete carburetor parts manufactured

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REHelgeson
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Re: Odd cam bearing set screw

Post by REHelgeson » Mon Jul 22, 2019 4:09 pm

God love the American Farmer. Nothing they can't fix with a roll of wire and an old coffee can full of nuts, bolts and other odds and ends. Every time I see one of these fixes it makes me smile.


mike zahorik
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Re: Odd cam bearing set screw

Post by mike zahorik » Tue Jul 23, 2019 5:30 pm

I think that the pin gets damaged from the camshaft hammering it went the cam moves back and forth. I was leaning toward building up the pin by welding or maybe brazing some material on it and then fitting it to the hole. I new pin would not change the clearance much. The nearing is still in good shape, so I do not want to change that to get a better hole. Mike

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