Sorry guys, ANOTHER governor question. I really did search and read a lot before asking, so please be kind.
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
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Governor Rockshaft Extension Removal
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- zim
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Governor Rockshaft Extension Removal
1950 McCormick W-9, 1945 Farmall M, 1947 Farmall H, 1948 Cub, 1956 International 300 Utility, 1963 Scout 80
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Re: Governor Rockshaft Extension Removal
It just pulls out.
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!
http://www.cubtug.com
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!
http://www.cubtug.com
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Re: Governor Rockshaft Extension Removal
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..
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..
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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Re: Governor Rockshaft Extension Removal
Bigdog wins again, but with a short answer.
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
- zim
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Re: Governor Rockshaft Extension Removal
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
So, should I clean everything with carb or brake cleaner and try the JB Weld repair, or does it look too worn?
zim
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
- Bigdog
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Re: Governor Rockshaft Extension Removal
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!
http://www.cubtug.com
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!
http://www.cubtug.com
- zim
- 10+ Years
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1945 Farmall M
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1948 Farmall Cub
1963 International Scout 80
Re: Governor Rockshaft Extension Removal
I was hoping you'd say that!
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- Goraidh (Jeff)
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Re: Governor Rockshaft Extension Removal
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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- zim
- 10+ Years
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1963 International Scout 80
Re: Governor Rockshaft Extension Removal
Amazing results from the JB Weld repair!
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Re: Governor Rockshaft Extension Removal
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.
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
- zim
- 10+ Years
- Posts: 84
- Joined: Mon Sep 05, 2011 7:33 pm
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1945 Farmall M
1947 Farmall H
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Re: Governor Rockshaft Extension Removal
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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