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Replacement Procedures for Transmission spline Shaft Seal

Farmall Super A, AV, 100, 130, & 140 1939 - 1973
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Dale Finch
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Replacement Procedures for Transmission spline Shaft Seal

Postby Dale Finch » Sat Oct 22, 2011 12:17 pm

References to part numbers and pages are found in the SA Parts Manual on this forum, thanks to Rudi!!
http://www.cleancomputes.com/Cub/Super% ... index.html

I had already ordered parts #26 & 27, pg. 166, the gasket and seal, from my local IH dealer.

Block the front axle:
Image

I used a jack stand to support the front half:
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Remove platform bolts and disconnect brake rods:
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I disconnected the clutch pedal (#18, pg. 163), but as it turns out, it was not necessary, though it did allow better cleaning:
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Remove rockshaft rod.

Disconnect taillight wire.

Block drawbar and under transmission to keep from tipping in either direction:
Image
Image

Remove the 4 clutch housing-to-transmission bolts.

Loosen right fender bolts to allow the platform to move forward without scratching.

As separation began, I pried apart at the dowels, but as it separated, I realized the front half wanted to roll slightly to the left with the jack stand attached to the implement holes on the right. Wedges must not have been jammed in hard enough. I quickly attached the engine hoist to the left implement bolts:
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Disassemble the clutch drive shaft joint disc (#15, pg. 163) and remove & inspect the rubber washers (#14, pg. 163):
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Image
Image
Image

Using an impact wrench and punch to prevent rotation, remove bolt, lockwasher, large flat washer and gasket in the end of the transmission spline shaft:
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Image

Using some sort of puller, remove the transmission drive flange (#30, pg 166). I used this setup with pulley puller, vice grips to hold the puller arms in place:
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Clean and inspect flange, ensuring all mating surfaces are free of burrs:
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Remove bearing retainer (#28, pg 166) and gasket. Inspect bearing and replace if necessary. (Mine was good so left it in place):
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Press out seal from bearing retainer and clean/polish the seat area to remove any imperfections. Also sand/polish the retainer’s flat side to ensure a good seal with the gasket:
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Image
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Press in new seal. (Mine seemed to be going in too easily, so I applied a good sealant around the outside edge before pressing it in):
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Install new gasket (I used sealant on this gasket) and reinstall bearing retainer:
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Grease flange mating surfaces, including the seal lip, line up the key, then drive flange in place. (I used an impact socket to avoid damaging the flange):
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Prior to reassembly, clean all bolt holes, dowels, and grease the splined clutch end of the shaft.

Reattached the clutch pedal to its shaft.

Reassemble the clutch drive shaft joint, using new washers if available:
Image
Image

Insert drive shaft into housing (I used a long prybar inserted through the two threaded holes to hold it up during reassembly):
Image

Protect fenders with some material and tie up the rear of the platform.

During reassembly, when the shaft hits the hole behind the TOB, from the rear pry up the shaft the ~1” further to allow it to enter.

When the shaft hits the “clutch hole”, reach through the handhole and line up the splines then bump the shaft to make that final alignment. The 2 halves will be a couple inches apart at this point. Using 2 extra long bolts in diagonally opposite holes PULL the 2 halves together.

When close enough, install 2 correct bolts and continue to draw closed. Remove the 2 long bolts and complete assembly.

Reattach platform, brake rods, and retighten the right fender bolts.

Check clutch adjustment, crank him/her up, and check for function and leaks!

Hope this made sense, and any corrections/comments would be appreciated...although, if I actually did something wrong, it's too late for me now!!!! GOOD LUCK!
Dale Finch
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Bigdog
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Re: Replacement Procedures for Transmission spline Shaft Sea

Postby Bigdog » Sat Oct 22, 2011 3:19 pm

Nice thread Dale! I took the "thumb_" out of your picture links so I could see them. (Old eyes) :(
Bigdog
If you can't fix it with a hammer, you've got an electrical problem.

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Dale Finch
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Joined: Tue Apr 27, 2010 11:34 am
Zip Code: 27517
Tractors Owned: '51 Cub #140966 "Bruno" with Woods 59 mower
'55 Cub #187541 "Betty" with Fast Hitch
'55 Cub #190482 "Ben" with Woods 42 mower
'55 Cub #191739 "Bertha" with Woods 42 mower
'56 Cub #194370 "Boris" with Mott Flail mower
Circle of Safety: Y
Location: NC, Chapel Hill

Re: Replacement Procedures for Transmission spline Shaft Sea

Postby Dale Finch » Sat Oct 22, 2011 4:20 pm

Thanks, Bigdog! I was afraid noone would want to scroll through the large photos. Is there any way to make them medium-sized? And your eyes are younger than mine, you youngster!!!

As a bonus, after I finshed the repair and ran him around the lot, I installed the long-awaiting rear wheel weights. Only the grill and hood left! Oh, and the Woods 59...oh, and the scraper blade...ahhhhh...it never ends, eh?!
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Re: Replacement Procedures for Transmission spline Shaft Sea

Postby Rudi » Sat Oct 22, 2011 5:48 pm

Dale:

Nice How To Dale... :D
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Re: Replacement Procedures for Transmission spline Shaft Sea

Postby Mr E » Sat Oct 22, 2011 6:29 pm

Nice, Dale. I love those jacks! Got any extras? :lol:
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Dale Finch
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Posts: 6645
Joined: Tue Apr 27, 2010 11:34 am
Zip Code: 27517
Tractors Owned: '51 Cub #140966 "Bruno" with Woods 59 mower
'55 Cub #187541 "Betty" with Fast Hitch
'55 Cub #190482 "Ben" with Woods 42 mower
'55 Cub #191739 "Bertha" with Woods 42 mower
'56 Cub #194370 "Boris" with Mott Flail mower
Circle of Safety: Y
Location: NC, Chapel Hill

Re: Replacement Procedures for Transmission spline Shaft Sea

Postby Dale Finch » Sat Oct 22, 2011 6:46 pm

The bottle jack under the drawbar is a regular one (mine), but the pneumatic one belongs to the shop owner, and when I finish, he may be one jack short!! He bought it for his horse trailer after he was stranded on the highway one time....swore he would never be without a good jack again! It is manual as well, but being able to connect an air hose to it makes it SOOOOO nice! I may start looking for one...I think he may have gotten it from an RV store.
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Re: Replacement Procedures for Transmission spline Shaft Sea

Postby Don McCombs » Sat Oct 22, 2011 6:52 pm

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Dale Finch
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Posts: 6645
Joined: Tue Apr 27, 2010 11:34 am
Zip Code: 27517
Tractors Owned: '51 Cub #140966 "Bruno" with Woods 59 mower
'55 Cub #187541 "Betty" with Fast Hitch
'55 Cub #190482 "Ben" with Woods 42 mower
'55 Cub #191739 "Bertha" with Woods 42 mower
'56 Cub #194370 "Boris" with Mott Flail mower
Circle of Safety: Y
Location: NC, Chapel Hill

Re: Replacement Procedures for Transmission spline Shaft Sea

Postby Dale Finch » Sat Oct 22, 2011 6:57 pm

Oooooo...it just might be time for a Harbor Freight run! After all, I still have 2 cubs to get running!
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Re: Replacement Procedures for Transmission spline Shaft Sea

Postby Bigdog » Sat Oct 22, 2011 8:27 pm

[quote="BDFinch"]Thanks, Bigdog! I was afraid noone would want to scroll through the large photos. Is there any way to make them medium-sized? And your eyes are younger than mine, you youngster!!!

Dale - If you are using the image resizer I showed you, resize them for mobile application or roughly 400 X 300 pixels. That will make them a reasonable compromise.
Bigdog
If you can't fix it with a hammer, you've got an electrical problem.

My wife says I don't listen to her. - - - - - - - - Or something like that!

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Dale Finch
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Posts: 6645
Joined: Tue Apr 27, 2010 11:34 am
Zip Code: 27517
Tractors Owned: '51 Cub #140966 "Bruno" with Woods 59 mower
'55 Cub #187541 "Betty" with Fast Hitch
'55 Cub #190482 "Ben" with Woods 42 mower
'55 Cub #191739 "Bertha" with Woods 42 mower
'56 Cub #194370 "Boris" with Mott Flail mower
Circle of Safety: Y
Location: NC, Chapel Hill

Re: Replacement Procedures for Transmission spline Shaft Sea

Postby Dale Finch » Sun Oct 23, 2011 8:22 am

Oh, good! I was using "SMALL" and yes, I love the resizing program you suggested...works great!
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Re: Replacement Procedures for Transmission spline Shaft Sea

Postby Gary Dotson » Sun Oct 23, 2011 9:33 am

I have the 20 ton version of that jack, from Harbor. It works great and was even on sale. I put it on my shop press/can crusher.

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Re: Replacement Procedures for Transmission spline Shaft Sea

Postby Denny Clayton » Sun Oct 23, 2011 9:36 am

Gary Dotson wrote:I have the 20 ton version of that jack, from Harbor. It works great and was even on sale. I put it on my shop press/can crusher.

Sounds like overkill for crushing cans. :lol: :lol:
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Dale Finch
10+ Years
10+ Years
Posts: 6645
Joined: Tue Apr 27, 2010 11:34 am
Zip Code: 27517
Tractors Owned: '51 Cub #140966 "Bruno" with Woods 59 mower
'55 Cub #187541 "Betty" with Fast Hitch
'55 Cub #190482 "Ben" with Woods 42 mower
'55 Cub #191739 "Bertha" with Woods 42 mower
'56 Cub #194370 "Boris" with Mott Flail mower
Circle of Safety: Y
Location: NC, Chapel Hill

Re: Replacement Procedures for Transmission spline Shaft Sea

Postby Dale Finch » Sun Oct 23, 2011 9:50 am

Denny Clayton wrote:
Gary Dotson wrote:I have the 20 ton version of that jack, from Harbor. It works great and was even on sale. I put it on my shop press/can crusher.

Sounds like overkill for crushing cans. :lol: :lol:


Man, those Ohio cans must be pretty stout!
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Re: Replacement Procedures for Transmission spline Shaft Sea

Postby Bigdog » Sun Oct 23, 2011 10:38 am

Yeah - but he sometimes does two at once! :lol:
Bigdog
If you can't fix it with a hammer, you've got an electrical problem.

My wife says I don't listen to her. - - - - - - - - Or something like that!

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