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Ford Tractors Discussion Forum
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pressure plate adjustment?

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pomester

03-06-2016 20:27:26




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I've got a 961 split while I work on the transmission - inspecting the pressure plate I notice that the finger adjustment screws are at significantly different heights -
[URL=http://s756.photobucket.com/user/pomester/media/IMG_0652_zps1etwlfsx.jpg.html]third party image[/URL]

[URL=http://s756.photobucket.com/user/pomester/media/IMG_0653_zpsfacebjkt.jpg.html]third party image[/URL]

I don't like this - last month I replaced a clutch on a recently acquired 960 - I could tell by the feel in the pedal that the clutch had little life left in it - when I exposed it I found the adjustments to resemble what I am seeing here - I've replaced two clutches over the years and the new units have those screws adjusted to a consistent height at each lever -
this clutch feels/felt fine at the pedal -
Should I make any adjustment to these screws? - set them all to a consistent adjustment?
thanks

David

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showcrop

03-08-2016 15:52:39




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 Re: pressure plate adjustment? in reply to pomester, 03-06-2016 20:27:26  
Quoting Removed, click Modern View to see

Jammison- Perhaps you mean throw out bearing also called release bearing?



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jammison

03-08-2016 15:14:13




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 Re: pressure plate adjustment? in reply to pomester, 03-06-2016 20:27:26  
Quoting Removed, click Modern View to seeTHE POINT is .....the height of the head of screw that contacts throughout bearing, NOT how many threads are showing. If that were absolutely consistent, there would be no need for adjustment screws.



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Mike(NEOhio)

03-08-2016 14:31:26




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 Re: pressure plate adjustment? in reply to pomester, 03-06-2016 20:27:26  
I've done a couple of clutches myself. I clamp them down on the cast iron table saw. Never done a two stage but usually the screws have a locknut.



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pomester

03-07-2016 06:07:52




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 Re: pressure plate adjustment? in reply to pomester, 03-06-2016 20:27:26  
yes - there's three fingers for the PTO and three for the drive clutch - if you look at the adjustment screws for each, you'll see one adjusted nearly all the way in, while others are up a 1/4" or more than the short one - on both sets of fingers -
I just installed a new clutch on another tractor less than a month ago - those adjustment screws all showed nearly the same amount of thread, as I would expect - the old clutch that I removed looked a lot like this one -

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pomester

03-07-2016 06:02:44




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 Re: pressure plate adjustment? in reply to pomester, 03-06-2016 20:27:26  
I've got the I&T manual that shows how to make a gauge, it's associated with the single stage clutch tho - there is a another tool, lNDA-7502-3, that is used for the dual stage -
I can put the clutch on the bench and figure out a way to get the adjustment screws very close to the same height from bench (or flywheel) if that's what I should do, and seems to me that I should -



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showcrop

03-07-2016 05:25:38




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 Re: pressure plate adjustment? in reply to pomester, 03-06-2016 20:27:26  
Hard to tell for sure from the angle but it appears that you have three at a high level and three at a lower level which is the way the dual clutch has to be.



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Bob

03-07-2016 00:12:41




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 Re: pressure plate adjustment? in reply to pomester, 03-06-2016 20:27:26  
The appearance of the screws in relation to the fingers doesn't matter.

What matters is that all three traction clutch screws and all 3 PTO screws are set to their specified height in relation to the flywheel face or pp face.

Gotta have a gauge to do that, and I don't have a shop manual at hand so I can't show you the required gauge.



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