Bellcrank Extension ?????

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yellercub
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Bellcrank Extension ?????

Postby yellercub » Thu Dec 20, 2018 7:09 pm

When I bought my1970 Cub back in August, it came with a bellcrank extension mounted on the rock shaft, and I paid it no mind until a few days ago. I have been cleaning up and attaching the L 54 blade I bought with the Cub, but when I went to attach the lift arm to the rock shaft I could not for the life of me figure it out. After some searching, it appears I have a bellcrank extension that was only made to work with the blade belly mounted. I found a bellcrank extension that is made to use when the blade is front mounted and it seems it would also work when belly mounting the blade.
My question is, what possessed IH to make a bellcrank extension that is belly mount specific? Is there some logical reason for this I am missing? :lost:

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Re: Bellcrank Extension ?????

Postby Don McCombs » Thu Dec 20, 2018 7:15 pm

yellercub wrote:My question is, what possessed IH to make a bellcrank extension that is belly mount specific?

They didn't. Is this the way you have yours mounted?

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yellercub
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Re: Bellcrank Extension ?????

Postby yellercub » Thu Dec 20, 2018 7:29 pm

Don McCombs wrote:
yellercub wrote:My question is, what possessed IH to make a bellcrank extension that is belly mount specific?

They didn't. Is this the way you have yours mounted?

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Photo courtesy TM Tractor Parts

It is now that I have that bellcrank ext. The other one doesn't look like that.
I found a picture of a manual that shows the type I have. somewhere on the internet, but didn't take note of it. I will have to see if I can find lt again.

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Re: Bellcrank Extension ?????

Postby inairam » Thu Dec 20, 2018 7:36 pm

L 54 blade is for a loboy Cub.

Is your cub a loboy?

Here are some photo in TM tractor website http://www.tmtractor.com/tm-tractor/gim/gim_001.htm

Post pictures of the cub and the snow plow and extension
Last edited by inairam on Thu Dec 20, 2018 7:52 pm, edited 1 time in total.
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Re: Bellcrank Extension ?????

Postby Glen » Thu Dec 20, 2018 7:43 pm

Hi,
Below is the Cub 54 Blade owner's manual. It has lots of info. There isn't a newer manual in the group of manuals I saw. You don't use the manual lift lever it shows in it, if you have touch control.

http://farmallcub.com/rudi_cub/www.clea ... index.html

I don't know if you have a blade the same age as the tractor or not. The newer blades were white. :)
Last edited by Glen on Sat Dec 22, 2018 1:54 am, edited 1 time in total.

yellercub
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Re: Bellcrank Extension ?????

Postby yellercub » Thu Dec 20, 2018 7:58 pm

Cub-54 Leveling and Grader Blade 6-7-53 page 7 is what I have as a bellcrank ext. The plow is yellow and marked L-54 or was before I repainted it. Cub is not a LowBoy

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Re: Bellcrank Extension ?????

Postby yellercub » Thu Dec 20, 2018 8:08 pm

The part that mounts to the bell housing does not look like the loboy plow but like the standard Cub model

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Re: Bellcrank Extension ?????

Postby yellercub » Thu Dec 20, 2018 9:02 pm

http://farmallcub.com/rudi_cub/www.clea ... index.html
Well guys there it is on page 7. The illustration clearly shows a different bellcrank ext. than the one shown for front mounting. Can anyone explain the point of the 2 bellcrank extensions?

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Re: Bellcrank Extension ?????

Postby Dale Finch » Thu Dec 20, 2018 9:20 pm


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John *.?-!.* cub owner
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Re: Bellcrank Extension ?????

Postby John *.?-!.* cub owner » Thu Dec 20, 2018 9:37 pm

Some pictures would help, but I suspect you have the one for the original McCormick Deering blade, The others are the later improved versions just as the other blades are improved versions.
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Re: Bellcrank Extension ?????

Postby MiCarl » Thu Dec 20, 2018 9:48 pm

John *.?-!.* cub owner wrote:Some pictures would help, but I suspect you have the one for the original McCormick Deering blade, The others are the later improved versions just as the other blades are improved versions.


I think you're probably right. My Cub came with a blade that was missing some parts. Not near enough to front mount it but everything to belly mount but the bell crank extension. Since I'm only going to belly mount it I made the simpler McCormick Deering version of the bell crank extension.

Here is a picture of a McCormick Deering bell crank extension:
bellcrank extension 3.jpg
bellcrank extension 3.jpg (3.88 KiB) Viewed 482 times
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Re: Bellcrank Extension ?????

Postby Urbish » Fri Dec 21, 2018 6:49 am

He is right, the Cub-54 Leveling and Grader Blade 6-7-53 manual clearly shows two different bellcrank extensions. Weird...
Attachments
Bellcrank Extension 1.JPG
Bellcrank Extension 2.JPG
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Don McCombs
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Re: Bellcrank Extension ?????

Postby Don McCombs » Fri Dec 21, 2018 8:02 am

Hmmmmm….. I see what you're saying. However I have never seen one like the one shown in Illustration 7. Did it actually make it into production?
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Urbish
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Unknown 5' Single Gang Disc Harrow
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Re: Bellcrank Extension ?????

Postby Urbish » Fri Dec 21, 2018 8:33 am

Beats me. I have never seen one like that either. You may have a unicorn, yellercub.
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Cub-193 Moldboard Plow
Cub-54A Leveling and Grader Blade
Cub Loboy L-54 Leveling and Grader Blade
Unknown 5' Single Gang Disc Harrow
Circle of Safety: Y
Location: Manchester, MI

Re: Bellcrank Extension ?????

Postby Urbish » Fri Dec 21, 2018 8:38 am

I have a homemade extension. It is incorrect, but works fine for my purposes for front and belly mounting.

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