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Governor Rockshaft Extension Removal

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zim
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Governor Rockshaft Extension Removal

Postby zim » Mon Sep 19, 2011 8:13 pm

Sorry guys, ANOTHER governor question. I really did search and read a lot before asking, so please be kind. :D

My Cub has some strange governor/throttle issues that sound like some I've read about here. When I bought it, it had a piece of screen door spring attached between the governor connecting rod clevis and grill to help pull the carb back to idle. I adjusted the clevis enough to get by without the spring, but the governor still has issues. Sometimes, the Cub throttles up to full rpm just fine, while other times it doesn't throttle up unless I idle down, then quickly push the governor lever forward. Almost as if something is slipping or not catching. The governor is responsive and sharp otherwise. Steve B straightened the top of the carb and installed a rebuild kit for me at CI Cubfest. It runs really well now!

There is definitely wear in the rockshaft extension's woodruff key, so I'd like to start with that repair. I've looked at the diagram found on the link below diagram p. 2-14(from a newer Cub Lo-Boy), but I can't figure out how to separate the rockshaft extension from the governor and spring rockshaft assembly to access the keyway. Once the keyway is repaired, I plan to adjust the governor and buy a new spring if needed.

Thanks, in advance for any help with this issue. This site has already saved me hours of troubleshooting time and I appreciate you guys.

Thanks,
zim

http://www.cleancomputes.com/Cub/Blue%2 ... System.htm
1950 McCormick W-9, 1945 Farmall M, 1947 Farmall H, 1948 Cub, 1956 International 300 Utility, 1963 Scout 80

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Bigdog
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Re: Governor Rockshaft Extension Removal

Postby Bigdog » Mon Sep 19, 2011 8:19 pm

It just pulls out.
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If you can't fix it with a hammer, you've got an electrical problem.

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Re: Governor Rockshaft Extension Removal

Postby Yogie » Mon Sep 19, 2011 8:22 pm

Zim, unbolting the holder on the left side of the front engine cover should allow you to slide it apart pretty easy.
Use JB Weld or a good epoxy glue to hold it firm.
A new governor spring is a real plus for any cub engine, faster responce and a lot more range, you'll be glad you changed it out.. :wink:
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Re: Governor Rockshaft Extension Removal

Postby Yogie » Mon Sep 19, 2011 8:24 pm

Bigdog wins again, but with a short answer. :wink: :lol:
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Democracy is two wolves and a lamb voting on what to have for lunch. Liberty is a well-armed lamb contesting the vote.
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zim
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Tractors Owned: 1950 McCormick W-9
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Re: Governor Rockshaft Extension Removal

Postby zim » Mon Sep 19, 2011 9:03 pm

Thanks Bigdog and crew. I should have tried that in the first place. The keyway itself doesn't appear to be worn, but there is definitely slop at the connection. The diagram shows the end as being smaller, but this one must have more wear at the shaft, or at the coupler. It pulled apart somewhat hard due to someone's bubblegum weld. Probably an attempt to do the same repair.

So, should I clean everything with carb or brake cleaner and try the JB Weld repair, or does it look too worn?

zim


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Last edited by zim on Mon Sep 19, 2011 9:17 pm, edited 1 time in total.
1950 McCormick W-9, 1945 Farmall M, 1947 Farmall H, 1948 Cub, 1956 International 300 Utility, 1963 Scout 80

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Bigdog
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Re: Governor Rockshaft Extension Removal

Postby Bigdog » Mon Sep 19, 2011 9:14 pm

The JB should do it.
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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zim
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Joined: Mon Sep 05, 2011 7:33 pm
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Tractors Owned: 1950 McCormick W-9
1945 Farmall M
1947 Farmall H
1956 International 300 Utility
1948 Farmall Cub
1963 International Scout 80

Re: Governor Rockshaft Extension Removal

Postby zim » Mon Sep 19, 2011 9:17 pm

I was hoping you'd say that!
1950 McCormick W-9, 1945 Farmall M, 1947 Farmall H, 1948 Cub, 1956 International 300 Utility, 1963 Scout 80

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Goraidh (Jeff)
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Re: Governor Rockshaft Extension Removal

Postby Goraidh (Jeff) » Mon Sep 19, 2011 9:30 pm

You fine Gents just helped me out, too. As soon as the spring comes in it'll be on to the repair.
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User avatar
zim
10+ Years
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Posts: 84
Joined: Mon Sep 05, 2011 7:33 pm
Zip Code: 47390
Tractors Owned: 1950 McCormick W-9
1945 Farmall M
1947 Farmall H
1956 International 300 Utility
1948 Farmall Cub
1963 International Scout 80

Re: Governor Rockshaft Extension Removal

Postby zim » Thu Sep 22, 2011 8:58 pm

Amazing results from the JB Weld repair!
1950 McCormick W-9, 1945 Farmall M, 1947 Farmall H, 1948 Cub, 1956 International 300 Utility, 1963 Scout 80

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Yogie
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Massey 165 & 250
Circle of Safety: Y
Location: WV. Ripley

Re: Governor Rockshaft Extension Removal

Postby Yogie » Thu Sep 22, 2011 9:12 pm

zim wrote:Amazing results from the JB Weld repair!

Glad that little fix helped out Zim, will that take care of it now or do you plan to replace the spring also.
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Democracy is two wolves and a lamb voting on what to have for lunch. Liberty is a well-armed lamb contesting the vote.
Ben Franklin

User avatar
zim
10+ Years
10+ Years
Posts: 84
Joined: Mon Sep 05, 2011 7:33 pm
Zip Code: 47390
Tractors Owned: 1950 McCormick W-9
1945 Farmall M
1947 Farmall H
1956 International 300 Utility
1948 Farmall Cub
1963 International Scout 80

Re: Governor Rockshaft Extension Removal

Postby zim » Thu Sep 22, 2011 9:34 pm

It seems really sharp and responsive, plus the throttle has a full range, So I'll probably leave it as-is for now.
1950 McCormick W-9, 1945 Farmall M, 1947 Farmall H, 1948 Cub, 1956 International 300 Utility, 1963 Scout 80


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