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Re: Case 930 PTO clutch replacement

A

Adirondack case guy

Well-known Member
I think you are confusing drive and driven plates.
The cintered plates are the drivers, the steels are driven. In this pic, not from a 930, but same parts. there are 5 cintered plates, and 5 springs, and 6 steel driven plates. I believe that you have one too many springs, spacing them apart so they will not lock up.
Loren
a103335.jpg
 
Read your post again, and agree that there is one seperator spring for each Sinterd/Fiber plate.That said look closely at how plates are stacked from the rear retaining plate. A steel plate butts against it, then a spacer spring surounded by a sintered plate, and then a steel, etc,etc, depending on the number of plates used for each model tractor. This configuration was used from 300s to 1570s When the 70 series came out the clutch packs were actuated hydraulically, rather than mechanically. With the unit out of the tractor, you should easily be able to tighten up the pressuerplate/collar assy to a point where you feel a slight drag. Then you should be able to push the collar in part way and taking the handle of a hammer, mtunk the linkage over center. At that point you should not be able to turnthe PTO shaft without turning the whole clutch assy. also. (Warning)the 1/2" mcap screw on the intermediate jackshaft is a special bolt with a locktite compound on it. If it comes out it can get under a bullgear and crack the tranny housing, and cause problems with the grar train.
Loren
 
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