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Please Point
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- 10+ Years
- Posts: 38
- Joined: Sat Nov 24, 2007 3:29 pm
- Zip Code: 30802
- Tractors Owned: 1951 Farmall Cub
- Location: Appling, GA
Please Point
Haven't been here in awhile,... Had a professional rebuild the carb, and she fired up in 4 seconds after 18 mths. I need to know how to set the govenor, I am so far over the top end of rpms, I've got to choke to slow down...
Need to plow the driveway, and it's good to hear the Cub run, even if it's only for a few seconds,.... too fast.
Thanks, friends...
Need to plow the driveway, and it's good to hear the Cub run, even if it's only for a few seconds,.... too fast.
Thanks, friends...
Be yourself..... Everybody else is taken
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- 10+ Years
- Posts: 1127
- Joined: Sun Feb 02, 2003 6:51 pm
- Zip Code: 21228
- Tractors Owned: 1948 Farmall Cub
LT1045 Cub Cadet - Circle of Safety: Y
- Location: MD, Catonsville
Re: Please Point
Check out the following link to a post re surging issues, and in particular Jim Becker's recommendation on how to adjust the linkage between the carburator and governor.
viewtopic.php?f=1&t=68790&p=558510&hilit=adjust+governor+linkage#p558510
If adjusting the linkage doesn't solve the problem you may need to look at your governor. There is a good article on rebuilding the governor by Lurker Carl that you can find in the link to Manuals in the upper right part of this page. For ease I am providing the following link to his article: Good luck
http://www.cleancomputes.com/Cub/Mainte ... index.html
viewtopic.php?f=1&t=68790&p=558510&hilit=adjust+governor+linkage#p558510
If adjusting the linkage doesn't solve the problem you may need to look at your governor. There is a good article on rebuilding the governor by Lurker Carl that you can find in the link to Manuals in the upper right part of this page. For ease I am providing the following link to his article: Good luck
http://www.cleancomputes.com/Cub/Mainte ... index.html
Bill VanHooser
Cub 54 Blade, Cub 193 Moldboard Plow, Cub 28A Disc Harrow
Cub 54 Blade, Cub 193 Moldboard Plow, Cub 28A Disc Harrow
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- Team Cub
- Posts: 17293
- Joined: Sun Feb 02, 2003 2:59 pm
- Zip Code: 55319
- Circle of Safety: Y
- Location: MN
Re: Please Point
In this case, the first thing I'd check is that the throttle and choke linkages are attached in the right places, not swapped with each other. Then adjust the governor/carb linkage as Bill V suggested.
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- 10+ Years
- Posts: 6348
- Joined: Wed Sep 12, 2007 8:40 pm
- Zip Code: 49120
- Circle of Safety: Y
- Location: Niles / Buchanan, Michigan
Re: Please Point
Jim Becker wrote:In this case, the first thing I'd check is that the throttle and choke linkages are attached in the right places, not swapped with each other. Then adjust the governor/carb linkage as Bill V suggested.
1929 Farmall Regular
1935 John Deere B
1937 John Deere A
1941 John Deere H
1952 John Deere B
1953 Farmall Cub
1935 John Deere B
1937 John Deere A
1941 John Deere H
1952 John Deere B
1953 Farmall Cub
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- 10+ Years
- Posts: 38
- Joined: Sat Nov 24, 2007 3:29 pm
- Zip Code: 30802
- Tractors Owned: 1951 Farmall Cub
- Location: Appling, GA
Re: Please Point
govenor shaft to the upfeed to manifold, choke to air cleaner..??
Be yourself..... Everybody else is taken
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- Cub Pro
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- Zip Code: 23962
- eBay ID: dmb2613
- Circle of Safety: Y
- Location: VA. Randolph
Re: Please Point
yes that is right. Make sure the governor linkages are not binding anywhere. also make sure the Idle screw is set . And is it an IH carb or a Zenith? the zenith will bind in the manifold if it is an older cub unless you use at lest 2 gaskets
IN GOD WE TRUST
All others pay cash
Boss Hog
Power corrupts; absolute power corrupts absolutely byJohn Emerich Edward Dalberg
All others pay cash
Boss Hog
Power corrupts; absolute power corrupts absolutely byJohn Emerich Edward Dalberg
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- 10+ Years
- Posts: 38
- Joined: Sat Nov 24, 2007 3:29 pm
- Zip Code: 30802
- Tractors Owned: 1951 Farmall Cub
- Location: Appling, GA
Re: Please Point
this was the original that I had Case rebuild with an incredibly valued OEM kit. Years ago I had done a Tractor supply kit, (not too well) and adjusted the timing by turning the distributor.... This thing sounds like it's on rocket fuel, and an RPM that's outrageous... Mind it hasn't turned over in a very long time..
Be yourself..... Everybody else is taken
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- Team Cub Mentor
- Posts: 5651
- Joined: Thu Aug 03, 2006 6:20 am
- Zip Code: 43358
- Tractors Owned: 48 Cub Diesel (Cubota)
53 Cockshutt 20 restored (Shooter)
52 Cockshutt 20 unrestored
47 Leader "B" (Herckie)
49 Leader "D" (Princess)
49 Leader "D" very rough
48 Leader "D" unrestored
Kubota B6200E
Kubota B6200HST
Kubota B8200HST-D - Circle of Safety: Y
- Location: OH West Mansfield
Re: Please Point
With the engine off and the throttle lever near idle position, you should be able to move the carb. linkage, freely, through it's full travel. Make sure you can easily move it fully to the idle position. If you can't, there's something binding it somewhere.
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- Team Cub Mentor
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Re: Please Point
Jim Becker wrote:In this case, the first thing I'd check is that the throttle and choke linkages are attached in the right places, not swapped with each other. Then adjust the governor/carb linkage as Bill V suggested.
Remove the hose from the air cleaner to carburetor. Pull the choke lever on the dash. Check to see if the carburetor choke valve plate in the carburetor throat is closed. Push the choke lever on the dash in and see if the choke valve plate opens.Grandfather's Cub wrote:This thing sounds like it's on rocket fuel, and an RPM that's outrageous... Mind it hasn't turned over in a very long time..
The described uncontrolled RPMs is a symptom of having the choke and governor linkage on the back side of the carburetor reversed.
I have an excuse. CRS.
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- 10+ Years
- Posts: 38
- Joined: Sat Nov 24, 2007 3:29 pm
- Zip Code: 30802
- Tractors Owned: 1951 Farmall Cub
- Location: Appling, GA
Re: Please Point
Tomorrow the govenor comes off. I've adjusted likages moving the govenor arm toward the fan and i think i've slowed the rpm's slightly compared to towards the carb, but I can't get it nearly far forward enough. This thing has no response to input from the throttle, or manual movement of the throttle rod to the govenor.
What else can simulate reversed linkages?
It really is amazing how easy it starts, and if rpm's were good, I'd be moving some dirt.....
What else can simulate reversed linkages?
It really is amazing how easy it starts, and if rpm's were good, I'd be moving some dirt.....
Be yourself..... Everybody else is taken
-
- 10+ Years
- Posts: 38
- Joined: Sat Nov 24, 2007 3:29 pm
- Zip Code: 30802
- Tractors Owned: 1951 Farmall Cub
- Location: Appling, GA
Re: Please Point
Went to the IH Case dealer who rebuilt the carb, and one gent said I should be able to control RPMs with the carb by changing the govenor linkage when it is disconnected.
With ALL linkages disconnected, I can not get the RPM's low enough with the carb at idle, other than the choke.
Which comes first, The Carb or the Govenor...?
Laying an egg...
With ALL linkages disconnected, I can not get the RPM's low enough with the carb at idle, other than the choke.
Which comes first, The Carb or the Govenor...?
Laying an egg...
Be yourself..... Everybody else is taken
-
- 10+ Years
- Posts: 1127
- Joined: Sun Feb 02, 2003 6:51 pm
- Zip Code: 21228
- Tractors Owned: 1948 Farmall Cub
LT1045 Cub Cadet - Circle of Safety: Y
- Location: MD, Catonsville
Re: Please Point
If you have the linkage between governor and carb disconnected, and you still cannot slow the rpms down by manually closing the throttle plate, I believe there is some problem within the carb. I wonder if you have the wrong size main metering jet?
Bill VanHooser
Cub 54 Blade, Cub 193 Moldboard Plow, Cub 28A Disc Harrow
Cub 54 Blade, Cub 193 Moldboard Plow, Cub 28A Disc Harrow
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- Team Cub
- Posts: 17293
- Joined: Sun Feb 02, 2003 2:59 pm
- Zip Code: 55319
- Circle of Safety: Y
- Location: MN
Re: Please Point
Have you backed out the idle speed screw on the throttle plate arm? If that doesn't fix it, the throttle plate wasn't properly centered in the throat when it was attached to the throttle shaft.
Those are the only 2 possible explanations for the symptoms you describe.
Those are the only 2 possible explanations for the symptoms you describe.
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- Team Cub Mentor
- Posts: 5651
- Joined: Thu Aug 03, 2006 6:20 am
- Zip Code: 43358
- Tractors Owned: 48 Cub Diesel (Cubota)
53 Cockshutt 20 restored (Shooter)
52 Cockshutt 20 unrestored
47 Leader "B" (Herckie)
49 Leader "D" (Princess)
49 Leader "D" very rough
48 Leader "D" unrestored
Kubota B6200E
Kubota B6200HST
Kubota B8200HST-D - Circle of Safety: Y
- Location: OH West Mansfield
Re: Please Point
I agree, Jim, I've encountered throttle plate issues a number of times. The fix is to back off the idle speed adjusting screw, loosen the two screws holding the throttle plate, hold the throttle shaft firmly closed while re-tightening the screws. Then you can adjust the speed screw to get a small gap at the edge of the throttle before re-installing the carb. If you can't control engine speed with the governor out of the picture, it has to be an issue with the throttle plate, either not centered, damaged, or getting hung up on the gasket or manifold.
-
- 10+ Years
- Posts: 38
- Joined: Sat Nov 24, 2007 3:29 pm
- Zip Code: 30802
- Tractors Owned: 1951 Farmall Cub
- Location: Appling, GA
Re: Please Point
Thanks Gents!!!
I thought letting someone who knew what they were doing, rebuild the carburetor was the way to go I am so glad I didn't pull the govenor. Thanks again. I love this place!
I thought letting someone who knew what they were doing, rebuild the carburetor was the way to go I am so glad I didn't pull the govenor. Thanks again. I love this place!
Be yourself..... Everybody else is taken
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