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Farmall & IHC Tractors Discussion Forum
Show Parts for Model:

Correct way to adjust a pressure plate.

Author 
MAGMAN

04-28-2008 17:23:02
69.19.14.22



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What is the correct way to adjust a pressure plate? on the tractor or tight on the fly wheel? on a flat surface?or what? JON




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Owen Aaland

04-29-2008 15:54:17
65.165.246.73



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 Re: Correct way to adjust a pressure plate. in reply to MAGMAN, 04-28-2008 17:23:02  

MAGMAN said: (quoted from post at 17:23:02 04/28/08)
What is the correct way to adjust a pressure plate? on the tractor or tight on the fly wheel? on a flat surface?or what?
JON


The correct way to adjust the clutch is on a flat surface. They will be two adjustment measurements. One is the distance between the friction surface of the cast plate and the underside of the clutch cover at the mounting bolt holes. The other measurement is the distance between the friction surface of the cast plate and the levers at the point where the release bearing make contact. These dimensions are installed heights so you need some way to hold either the cover or the levers at the correct dimension while you make the adjustment to get the other dimension correct. It is one of the last steps the rebuilders do when remanufacturing a pressure plate assembly. These adjustments are made to very close specs, usually within a couple thousands of an inch. All the rebuilders I know of do not want any field adjustments made to their rebuilt units. If there is a problem they will exchange it.

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MAGMAN

04-29-2008 03:53:40
69.19.14.24



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 Re: Correct way to adjust a pressure plate. in reply to MAGMAN, 04-28-2008 17:23:02  
Yes It a Super nice reman everything is new I dont know what the dif between this and new would be, New plate,New springs Red in color,New adjusting fingers, Now thats what I am wondering they have the free play or what ever and such, the fingers with the nut and the adjusting screw inside them??? Thats what I am wondering about adjusting??? Not sealed in any way. JON

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ScottyHOMEy

04-29-2008 05:29:58
70.105.254.22



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 Re: Correct way to adjust a pressure plate. in reply to MAGMAN, 04-29-2008 03:53:40  
Jon, you don't say what the tractor is, but your free-play adjustment is almost always in the pedal linkage, not the clutch assembly. And I know the three new/reman ones I've been involved with were set up just fine right out of the box. That said, any time you change out a clutch, you can pretty much count on having to adjust your freeplay.

The I&T and the IH manuals have the specs for distance from fingers to pressure plate, so you may want to look those up just to reassure yourself, but they do vary from tractor to tractor.

The only time I've ever had to adjust the clutch itself to get the freeplay right (actually in that case, it was even to get contact between the fingers and the throwout bearing, a case of excessive freeplay) was fixing someone else's botched job on an M. I'm guessing that someowhere along the line, they had mistakenly got a wrench on the adjustment bolts instead of the bolts securing the cover to the flywheel.

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MN Scott

04-28-2008 18:04:16
206.9.216.38



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 Re: Correct way to adjust a pressure plate. in reply to MAGMAN, 04-28-2008 17:23:02  
You got that plate from A&I right? It should be all set up and the bolts sealed from the remanufatuer. I haven't seen a reman tracter clutch that has needed adjusting for 20 years.



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