Clutch adjustment on D6 9U

Markpa13 · May 20, 2012

I have a 1956 D6 9U that has recently been having issues with the clutch disengaging and I'm not getting that snap-in feel. I have the service manual, but I'm not sure what I'm supposed to be adjusting. I think the manual I have is for the older dry clutch style. I was wondering if anyone would be able to help me out with some advice on this. Thanks.

WayneB · May 20, 2012

remove inspection floorplate.
remove clutch adj cover
loosen adjusting clurch locknut on ring
turn 180 and do again on other side
turn adjusting ring @ 3" clockwise to tighten
torque locknut 30 ftlbs

get an operation and maintenance instruction booklet (form 12692-8)

likely you will need to adjust the clutch brake also.

Markpa13 · May 21, 2012

Thanks for the advice. I did some wrenching on it this morning and opened it up. There is still some threads showing, so I assume there is a good bit of adjustment left, but that ring doesn't seem to be as easy to move as I expected. Before I shove a block of wood in there and start beating on things, I thought I'd ask how you turn the ring. Thanks again for the advice, it is really appreciated. This is my first piece of heavy machinery. It is a little different than working on a Farmall!

WayneB · May 21, 2012

My D6 9U has a dry clutch. Similar--loosen a collar-place in gear and rotate clockwise to gain SNAP. I have not adusted an oil clutch.

I used a tanker bar to rotate my collar. Given that a tanker bar is used to check track and need to align big parts, its a given to use one for leverage.
Wayne

Anonymous-0 · May 21, 2012

You need to knock on the block rear the nut to get it loose after you can adjusting the ring.

Clutch adjustment on D6 9U

Markpa13

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