782 rear axle swap

[exSW]

Since I've already replaced the aluminium CCC rear with the earlier IH rear now I'd like to transplant the late axle shafts into the early rear. I know I have to use the carrier from the aluminium rear end. Are there any other issues or things to change while I'm there?

 

[mpatterson]

Ohhhh... I like where this is headed! Pictures?????

 

[exSW]

Maybe. Since pics are this easy. If it's straightforward enough I may do the swap when I mount these.

 

[exSW]

Top is the IH diff. Bottom is the CCC diff. The DIFFerence is obvious.

 

[mgonitzke]

Easiest way is to swap the ring gear from the IH carrier on the CCC one. That *should* save you from having to touch the pinion depth. Make sure you have a good assortment of carrier shims and some prussian blue to set the contact pattern on the teeth. If you have access to a hydraulic press, you can obtain new rivets from McMaster-Carr and re-fasten the ring gear on as the manufacturer intended.

 

[exSW]

Easiest way is to swap the ring gear from the IH carrier on the CCC one. That *should* save you from having to touch the pinion depth. Make sure you have a good assortment of carrier shims and some prussian blue to set the contact pattern on the teeth. If you have access to a hydraulic press, you can obtain new rivets from McMaster-Carr and re-fasten the ring gear on as the manufacturer intended.

That's the plan. No press so plan on 5/16" with locknuts as advised here:
http://gardentractorpullingtips.com/transaxl.htm

 

[exSW]

The why. Full length 1" fine spline CCC 782 axle on left. Original IH 782 on right.

 

[exSW]

How to remove ring gear to swap to CCC carrier.

 

[exSW]

New diff with old ring gear attached. Now to figure out how to properly shim the diff bearing carriers for proper gear lash.

 

[mgonitzke]

The procedure in the IH version of the service manual has better instructions for shimming the carrier than the CCC one, IMO.

 

[bkattner]

Where are you getting shims, or do you figure you can reuse some of the original ones?

 

[exSW]

Reuse. I've got shims from two rearends. Should be enough.

 

[exSW]

The procedure in the IH version of the service manual has better instructions for shimming the carrier than the CCC one, IMO.

Someone has to have it squirreled away on the internet somewhere but I can't find it.

 

[kmcconaughey]

Try this manual, scroll down to page 55:

1x8-9 & Quiet Line Service Manual

Or any of the other Service Manuals here, the Original Chassis Service Manual has good info on pages 25 and 26:

CCS Manuals

 

[rrschmitt]

Hope the ends of your bolts and self locking nuts holding the ring gear will clear the side wall ribs of your transmission housing! There's a reason why they used scrivets at the factory.

 

[exSW]

Hope the ends of your bolts and self locking nuts holding the ring gear will clear the side wall ribs of your transmission housing! There's a reason why they used scrivets at the factory.

They will

 

[exSW]

Like Prego "It's in there"

 

[exSW]

 

[exSW]

26 12 12 Deestones on 8.5" rims.

 

[bkattner]

So, looking at the service manual posted, the pinion needs to be removed, and set diff bearing preload (torque to rotate). But aren't the shims (potentially) going to need to be changed to set the backlash of the ring & pinion? Or is this procedure typically going to take several tries to set up both specs correctly?