Clutch sticking on '22 Touring/brake band adjustment

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Model T Ford Forum: Forum 2012: Clutch sticking on '22 Touring/brake band adjustment
Top of pagePrevious messageNext messageBottom of page Link to this message  By Brian Clark-Hamilton, OH on Saturday, June 02, 2012 - 09:27 pm:

My clutch was sticking today. It would stick occasionally all the way down in high drive.

Any clues as to what could be going on?

Only thing I changed today is that I installed a stop light switch that is starter mounted, and tightened the brake band 1 notch (not sure it's tight enough, but didn't want to overtighten).

Also installed the transmission screen. I apparently got one that is properly designed to clear the casting leftovers at the bottom of the opening, as it fit perfectly.

Went for about a 10 mile ride to the ice cream shop and back. Trip was uneventful, other than a shimmy in the right front tire at speeds over 20-25mph and the steering has gotten pretty loose at the ball joint on the arm attached to the bottom of the column(steering arm?).

I checked the front wheel bearings and they seem properly tight (new style bearings). King Pins seem tight. A little wobble at the next joint (idler arm?), then a lot of wobble at that ball joint, leading to slow reaction of the wheels to the steering wheel)


Top of pagePrevious messageNext messageBottom of page Link to this message  By Brian Clark-Hamilton, OH on Saturday, June 02, 2012 - 09:28 pm:

BTW, I also checked the bands. They are white and seem to have plenty of material on them.
Would white indicate what type of material they are made of?


Top of pagePrevious messageNext messageBottom of page Link to this message  By Craig Anderson, central Wisconsin on Saturday, June 02, 2012 - 10:00 pm:

It takes only a VERY tiny amount of play in that ball socket to make the steering loose.
Rather than grind on the cap to take up wear I took the tie rod off and ground that half.
Remember to slobber it with grease when you get it right and drop some oil in there too every now and then.


Top of pagePrevious messageNext messageBottom of page Link to this message  By Erik Johnson on Sunday, June 03, 2012 - 01:20 am:

Your problem most likely has nothing to do with the clutch band.

If you have over-adjusted the clutch linkage (the clevis and rod outside of the hogshead that connects the pedal to the clutch lever), pushing the clutch can cause the linkage to over-travel and get stuck in the up position causing the pedal to lock. It's not a safe situation.

The solution is to properly adjust the clutch by shortening the linkage. This is done by removing the pin and turning the clevis clockwise until the linkage is the proper length.

Proper clutch pedal and linkage adjustment can be found elsewhere on the forum.


Top of pagePrevious messageNext messageBottom of page Link to this message  By Kenny Edmondson, Indianapolis on Sunday, June 03, 2012 - 07:15 am:

Brian, most low speed pedals I've seen that stay down are from the low speed band being adjusted too loose.


Top of pagePrevious messageNext messageBottom of page Link to this message  By Brian Clark-Hamilton, OH on Sunday, June 03, 2012 - 10:23 am:

My mistake, but I'm sure you guys figured it out.
It's sticking all they way down in LOW. :-)


Top of pagePrevious messageNext messageBottom of page Link to this message  By Dan Treace, North FL on Sunday, June 03, 2012 - 10:52 am:

Brian

Kenny has it, you need to loosen the lock nut on the right side of the hogshead with the T spark plug wrench, then turn the adj screw 1/2 turn to tighten the low pedal band.

Test drive and see if the low pedal sticks and won't release, if so turn another 1/2. Then retighten the big lock nut.


Top of pagePrevious messageNext messageBottom of page Link to this message  By Brian Clark-Hamilton, OH on Sunday, June 03, 2012 - 11:09 am:

Thanks.
I will check the linkage to make sure it's not hanging past center, then if not, adjust the low speed band to see if that corrects it.

Does anyone have the measurement for what diameter the ball on the steering arm should be and at what point it should be replaced instead of filing down the cap (or tie rod)?


Top of pagePrevious messageNext messageBottom of page Link to this message  By Norman T. Kling on Sunday, June 03, 2012 - 11:22 am:

It would be better to fill in the tie rod, than to file it down. If you file anything, file the cap. The cap is easily replaced, but if you file too thin the tie rod, you could lose threads for the bolts and eventually would have to replace the tie rod. A small piece of oil soaked leather can be used to fill in the depression in the tie rod. The ball needs to be completely round or at least nearly round. They tend to become oval, and then no amount of tightening will eliminate the play. It will either bind, or be too loose.
Norm


Top of pagePrevious messageNext messageBottom of page Link to this message  By Dan Treace, North FL on Sunday, June 03, 2012 - 02:22 pm:

Brian

Replace the pitman arm if worn to egg shape. No amount of filing the cap, or adding a copper penny to the inside of the cap will make the fix.

The T wobbles enough with its 1908 technology steering, bearings, and suspension.



Someone tried to grind the egg shape back to 'round'? on this arm, waste of time, get a new pitman arm....must be round, and 1" in dia.


Top of pagePrevious messageNext messageBottom of page Link to this message  By Stephen D Heatherly on Sunday, June 03, 2012 - 10:11 pm:

Brian, tighten your low gear band just enough so that the pedal will stop firmly about 3/4" before bottoming out on the floor boards. You could install an Apco spring loaded ball cap on your steering connecting rod/ drag link to eliminate the play. http://www.modeltford.com/item/2728APCO.aspx

Stephen


Top of pagePrevious messageNext messageBottom of page Link to this message  By Brian Clark-Hamilton, OH on Sunday, June 03, 2012 - 10:31 pm:

Cool part!

Thanks to Dan for the photos. I went ahead and ordered a replacement arm and cap for good measure from Snyder's about an hour ago.
With any luck it will be here in time for my day off on Thursday. (if they ship it Monday, I should have it no later than Wednesday)

Red wheel bearing grease okay for this part?


Top of pagePrevious messageNext messageBottom of page Link to this message  By David Stroud on Monday, June 04, 2012 - 03:37 am:

I am not a fan of filing a cap for the pitman arm. The cap on my '25 coupe had been filed down so much that it wore the ball down to a very bad egg shape. Replace the offending parts or repair them by building them up, which is what I did. Dave


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