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Ford 9N, 2N & 8N Discussion Forum
:

Adjusting Pressure Plate Fingers

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mcglockin

03-24-2018 15:38:37




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I couldn’t find any info on adjusting the fingers and my F-04 manual didn’t have much on It. I bought it all from here and the measurement with the pressure plate flush to the flywheel is 1 7/8ths. The only way to get 2 inches is to loosen the pressure plate. Not sure if that’s the correct way. Any help is appreciated!




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mcglockin

04-09-2018 08:48:12




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 Re: Adjusting Pressure Plate Fingers in reply to mcglockin, 03-24-2018 15:38:37  
Well got it all back together and Bush hogged yesterday! It was a great feeling to have it running and moving! Thank you everyone for the help and suggestions, I couldn’t have done it without ya.



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mcglockin

04-04-2018 10:00:44




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 Re: Adjusting Pressure Plate Fingers in reply to mcglockin, 03-24-2018 15:38:37  
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I totally understand! I would love to find the exact reason why it’s not working. And if I had someone work on mine and got it back and it was shimmed I would probably be ------. Due to the time crunch I’m going to try it. Once I get spring under control around here I may take it apart again and look more into it.
I’ve gotten pretty good at splitting it now!!

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Hobo,NC

04-03-2018 18:33:41




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 Re: Adjusting Pressure Plate Fingers in reply to mcglockin, 03-24-2018 15:38:37  
Its rare to find a spec on clutch finger height you N has one maybe you should have stopped there and found out why it was not in spec... About the only other thing I can think of is the cross shaft and bushings are worn... Don't matter tho at this point I spec you will run it and life will be good...

Why I would not shim it is I charge well for my time if it had a problem and the next guy ask who'da ell shimmed the clutch cover I don't want my name to become part of that conversation...

Its just not a acceptable repair to the issue I bet I would never get away with it... I have replaced hundreds of clutch sets I have had 3/4 that ate my lunch out of those 1 never was right even tho I about wore it out trying to find the issue... Maybe I should have shimmed it :twisted: between the crank and flywheel... :idea:

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mcglockin

04-03-2018 13:56:31




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 Re: Adjusting Pressure Plate Fingers in reply to mcglockin, 03-24-2018 15:38:37  
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I replaced that in the very beginning. I wish it was that!



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Noah W

04-03-2018 12:38:40




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 Re: Adjusting Pressure Plate Fingers in reply to mcglockin, 03-24-2018 15:38:37  
I had the same problem when I replaced the clutch on mine. Split it two more times to see what the problem was. Nuttin' Honey. Pure luck when I found this:

third party image

Replaced that part and all was good. Was told it was a quite common occurrence caused primarily by a lot of bush hogging.

Noah W

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mcglockin

04-02-2018 21:24:22




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 Re: Adjusting Pressure Plate Fingers in reply to mcglockin, 03-24-2018 15:38:37  
I got the whole assembly from here. I took it all out yesterday and measured and the old clutch is the same thickness as the new and the pressure plate was the same as well. I was talking to a guy at the local shop and he suggested the same thing with the wrong size clutch. But everything matched the old. You’ve got me second guessing my pressure plate shim now haha.



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R Geiger

04-02-2018 19:49:24




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 Re: Adjusting Pressure Plate Fingers in reply to mcglockin, 03-24-2018 15:38:37  
I think I would have sent the clutch assy back to where ever it came from. It can't be the right one for your machine.
I agree with Hobo.



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Hobo,NC

04-02-2018 19:17:52




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 Re: Adjusting Pressure Plate Fingers in reply to mcglockin, 03-24-2018 15:38:37  
No way I would shim the pressure plate but its your tractor hope it works out for ya,,, I would have tried another clutch set and maybe made a spacer to move the release bearing out 1/8"....



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mcglockin

04-02-2018 18:53:28




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 Re: Adjusting Pressure Plate Fingers in reply to mcglockin, 03-24-2018 15:38:37  
Well I made up for the 1/8inch by shimming the pressure plate. I have a bunch of adjustment now and it contacts it perfectly. I took it all apart again today and measured all the parts to make sure Hey we’re the same size.

The fingers were 1 7/8ths from the flywheel so I shimmer it to get it 2 inches. It’s been working so far.



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mcglockin

04-02-2018 02:23:16




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 Re: Adjusting Pressure Plate Fingers in reply to mcglockin, 03-24-2018 15:38:37  
Thinking on this further, I never checked my flywheel thickness. I guess it’s a possibility that with the new clutch and the older flywheel (of unknown thickness) that could be causing my fingers to go in slightly further.
The bolts on the pressure plate weren’t too hard to get started, but maybe I could put a washer behind the pressure plate bolts or some sort of shim....
Has anyone ever heard of anyone doing this?

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mcglockin

04-01-2018 14:22:59




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 Re: Adjusting Pressure Plate Fingers in reply to mcglockin, 03-24-2018 15:38:37  
Happy Easter everyone! I got a little time this afternoon to work on the ol’ 8n. I used the technique Hobo talked about in determining the fork status. The fork is not moving on the shaft at all.
When I wedged some wood between the fork and the throw out bearing, and diesengaged the clutch I was able to spin the PTO freely while it was engaged. So this still leaves me stumped.

I heated and slightly bent the cleave on the linkage a little farther downward. With the linkage adjusted to the max I am now able to disenegage the clutch slightly but with a lot of dragging.

I would really like to fix the problem that is causing this. I’m wondering I purchased a defective part somewhere along the way. The part of the input shaft that the T/O bearing slides on is about an 1/8inch away from the clutch. So I believe I have the right P/P plate and all.
The thickness of the old T/O bearing to the new is the same. I am about to build up the front of the fork to make up for the difference but I’d really like to fix the issue.

Thanks again everyone for all the input thus far!! I wouldn’t have made it this far without it!

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mcglockin

03-31-2018 05:18:15




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 Re: Adjusting Pressure Plate Fingers in reply to mcglockin, 03-24-2018 15:38:37  
Thank you again hobo! I will do that today.



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mcglockin

03-30-2018 18:35:54




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 Re: Adjusting Pressure Plate Fingers in reply to mcglockin, 03-24-2018 15:38:37  
That’s what I’m kind of Thinking. It’s becoming the only possibility. I believe the clutch is fine. Im starting to doubt the pressure plate.



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Hobo,NC

03-30-2018 17:30:54




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 Re: Adjusting Pressure Plate Fingers in reply to mcglockin, 03-24-2018 15:38:37  
Never had the pin in the fork to cross shaft shear but have read its happen a few times in the past...

Clean the fork were it fits around the cross shaft then mark it... You are going to have to wedge a couple screwdrivers are something between the fork fingers and release bearing to take up the clearance between the bearing and clutch cover fingers... Operate it and check your mark...



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R Geiger

03-30-2018 15:39:24




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 Re: Adjusting Pressure Plate Fingers in reply to mcglockin, 03-24-2018 15:38:37  
If the fork is not loose or cracked I would start thinking that maybe the clutch assy is the wrong one.



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mcglockin

03-30-2018 13:25:59




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 Re: Adjusting Pressure Plate Fingers in reply to mcglockin, 03-24-2018 15:38:37  
I didn’t compare the new fingers to old because the old were rusted stuck in their position. The only way I can was able to decrease the distance is loosen the pressure plate. I almost thought of cramming washers behind it haha.



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Dollar Bill

03-30-2018 12:13:20




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 Re: Adjusting Pressure Plate Fingers in reply to mcglockin, 03-24-2018 15:38:37  
Does the re!ease bearing move proportionally with pressing the clutch pedal?

There appears to be too much clearance between release bearing and pressure plate levers when clutch is released.

Have you compared new parts to old ones?



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mcglockin

03-30-2018 12:09:10




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 Re: Adjusting Pressure Plate Fingers in reply to mcglockin, 03-24-2018 15:38:37  
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I will check it, it looked like it was moving with it. But maybe it’s cracked or that pin is broken.



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Hobo,NC

03-30-2018 11:59:08




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 Re: Adjusting Pressure Plate Fingers in reply to mcglockin, 03-24-2018 15:38:37  
Are you absolutely positive the release fork is hatched to the cross shaft solid... I would set out to prove the fork is not moving on the cross shaft....



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mcglockin

03-30-2018 11:42:38




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 Re: Adjusting Pressure Plate Fingers in reply to mcglockin, 03-24-2018 15:38:37  
Any ideas anyone?



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mcglockin

03-29-2018 14:44:32




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 Re: Adjusting Pressure Plate Fingers in reply to mcglockin, 03-24-2018 15:38:37  
Here it is adjusted to the max with the pedal not depressed third party image

third party image This is it with the pedal depressed as far as it could go through the floorboard.

Does the fork look like it should in this picture?
third party image

Here are some more...
third party image third party image

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mcglockin

03-28-2018 17:38:41




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 Re: Adjusting Pressure Plate Fingers in reply to mcglockin, 03-24-2018 15:38:37  
I got it back together and still nothing. Adjusted it as far as I could go and took the floor board off and it barely contacted it. Didn’t contact it enough to free the pto. I’m going to take the steering box off this weekend and look at it. I’m learning patience with this project.



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Dollar Bill

03-27-2018 00:04:38




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 Re: Adjusting Pressure Plate Fingers in reply to mcglockin, 03-24-2018 15:38:37  
'Place a straight edge across the face of the bell housing and measure the distance to the release bearing. Then measure the distance from the engine block to the installed height of the pressure plate levers and compare those two numbers. '

I read your previous post regarding P/P lever height. Since you report that you have free play for the entire distance of pedal travel, I was curious as to the installed distance between the P/P levers and release bearing.

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mcglockin

03-26-2018 10:42:01




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 Re: Adjusting Pressure Plate Fingers in reply to mcglockin, 03-24-2018 15:38:37  
Thanks dollar bill! When I measured it I got 1 7/8ths for the measurement. It’s not 2 inches like it’s supposed to be but it’s non adjustable. I’m going to remove the steering box to view it better when I get it back together.



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Dollar Bill

03-26-2018 00:57:06




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 Re: Adjusting Pressure Plate Fingers in reply to mcglockin, 03-24-2018 15:38:37  
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When depressing the clutch pedal, you should feel 3/4-1" of no resistance then increased resistance when the release bearing contacts the pressure plate levers. If you cannot feel an increase in resistance after 3/4-1" of free travel, there is a problem.

Can you photograph the installed release bearing?

Just for grins - Place a straight edge across the face of the bell housing and measure the distance to the release bearing. Then measure the distance from the engine block to the installed height of the pressure plate levers and compare those two numbers.
Or, pull the steering box and view the release bearing to pressure plate arrangement as shown below.

third party image

Clutch Pedal Depressed

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mcglockin

03-25-2018 18:10:18




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 Re: Adjusting Pressure Plate Fingers in reply to mcglockin, 03-24-2018 15:38:37  
Ok thanks, I’m going to put it back together and try and set it at that Cleve’s. I appreciate all the help, and pictures Hobo!



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Hobo,NC

03-25-2018 17:47:31




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 Re: Adjusting Pressure Plate Fingers in reply to mcglockin, 03-24-2018 15:38:37  
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Clutch free travel should be checked at the leaver not the pedal... On any mechanical linkage set up you go to the last connection at the release lever and check for free play that's the clearance that counts... Free play at the pedal is a starting point it does not mean the clutch free play is correct! You could have by the book correct pedal free play and NONE at the release leave you will destroy the release bearing...

Free play is the clearance between the release bearing and clutch fingers a good mechanic will adjust the clutch and leave some free play at the pedal then go to the release lever and confirm clearance (free-play) at the release leaver that is connected directly to the release bearing.... Its going to be in the neighborhood of 1/8" on yer ford tractor...

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mcglockin

03-25-2018 16:11:37




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 Re: Adjusting Pressure Plate Fingers in reply to mcglockin, 03-24-2018 15:38:37  
Unless you can’t really tell the difference when it’s pressing against them. I just figured it would be a lot hard to push. Maybe when I thought I felt it, the throw out bearing was at the end of the shaft. I am not sure but this is the 3rd time apart haha



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mcglockin

03-25-2018 15:55:07




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 Re: Adjusting Pressure Plate Fingers in reply to mcglockin, 03-24-2018 15:38:37  
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Thanks Hobo, I can understand about the free play. But my problem was when Assembled When I pushed the pedal down I never felt it hit the P/P fingers. Even all the way adjusted as right as it could go. The only time I felt it was when I took the foot plate off and pressed through it. All the linkage is new.



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R Geiger

03-25-2018 13:03:15




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 Re: Adjusting Pressure Plate Fingers in reply to mcglockin, 03-24-2018 15:38:37  
I don't see how the book could be any clearer! third party image



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Hobo,NC

03-25-2018 11:40:36




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 Re: Adjusting Pressure Plate Fingers in reply to mcglockin, 03-24-2018 15:38:37  
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I hope you can put that bolt back were you found it cuzz I don't know what it does... Slide the tractor back together install a few bell housing bolts... Put the left floor board on adjust clutch does it release... One way to tell engauge the PTO press clutch does the PTO release EZ...
Adjusting the clutch is one of the most miss understood adjustments, very few here know how to do it correctly those that don't just belch out how the book tells you to do it... Out in the real world the book is WRONG...

It leaves out you need remove the adjuster pin and conform free play at the leaver at the adjustment you chose.. Its harder to explain on a tractor with this set up because every thing is mounted solid. third party image

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mcglockin

03-25-2018 09:55:49




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 Re: Adjusting Pressure Plate Fingers in reply to mcglockin, 03-24-2018 15:38:37  
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So Feeling free travel is correct then? Because it’s free travel the whole length of the pedal movement. I replaced the springs, and bearing, as well as all the pedal linkage parts.

Sooo the only way to know if it all works is by putting it totally back together and running it?



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R Geiger

03-25-2018 09:37:51




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 Re: Adjusting Pressure Plate Fingers in reply to mcglockin, 03-24-2018 15:38:37  
wITH EVERYTHING Installed you should feel free travel as per FO-4. If not you have a linkage problem or way out of adjustment.



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mcglockin

03-25-2018 08:41:56




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 Re: Adjusting Pressure Plate Fingers in reply to mcglockin, 03-24-2018 15:38:37  
Ok thanks, the only issue I had was when I put it back together I could not feel the release bearing making contact with the fingers.



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R Geiger

03-25-2018 08:31:33




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 Re: Adjusting Pressure Plate Fingers in reply to mcglockin, 03-24-2018 15:38:37  
yOUR fingers do not have any adjustment. bolt it down tight and install it. The last one I installed was the same and had no problems with it.



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mcglockin

03-25-2018 08:00:23




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 Re: Adjusting Pressure Plate Fingers in reply to mcglockin, 03-24-2018 15:38:37  
Here are the pictures of my pressure plate. third party image third party image



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Dollar Bill

03-25-2018 00:42:24




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 Re: Adjusting Pressure Plate Fingers in reply to mcglockin, 03-24-2018 15:38:37  
Does your pressure plate have adjustment bolts at the end of the lever? If not, the lever height is only adjustable by changing the thickness of the pressure plate friction surface or the thickness of the clutch plate.

third party image



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mcglockin

03-24-2018 19:15:00




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 Re: Adjusting Pressure Plate Fingers in reply to mcglockin, 03-24-2018 15:38:37  
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I will get one tomorrow. I’m just not sure how to actually adjust it. The bolt on top of the finger is all the way right. When I loosen it it the finger just flops down.



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Hobo,NC

03-24-2018 19:12:04




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 Re: Adjusting Pressure Plate Fingers in reply to mcglockin, 03-24-2018 15:38:37  
Make sure the pressure plate is being pulled completely down by the bolts... Its possible the shoulder of the bolt is bottoming out before the cover completely mates to the flywheel..

How about a pix of the flywheel fingers...



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Den N Ms

03-24-2018 19:09:32




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 Re: Adjusting Pressure Plate Fingers in reply to mcglockin, 03-24-2018 15:38:37  
third party image

Mcglockin,Here is a template that you can use to make a clutch finger adjustment tool so you can set your fingers to the correct height.



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mcglockin

03-24-2018 18:13:47




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 Re: Adjusting Pressure Plate Fingers in reply to mcglockin, 03-24-2018 15:38:37  
[quote="CVPost-Bob"](quoted from post at 17:11:12 03/24/18) NOT sure what all you've got going on but loosening the pressure plate mounting bolts is NOT part of the finger height adjusting procedure.[/quote

That’s the only way I found to get them to come out further. Loosening the bolt on top of the finger only dropped it further in.



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Bob

03-24-2018 17:11:12




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 Re: Adjusting Pressure Plate Fingers in reply to mcglockin, 03-24-2018 15:38:37  
NOT sure what all you've got going on but loosening the pressure plate mounting bolts is NOT part of the finger height adjusting procedure.



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Bill M. from Illinois

03-24-2018 20:50:48




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 Re: Adjusting Pressure Plate Fingers in reply to Bob, 03-24-2018 17:11:12  
I don't recall any adjustment when I changed mine out, just torqued down all the bolts in sequence steps.



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