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Rotavator rebuild
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- Cub Pro
- Posts: 23701
- Joined: Sun Feb 02, 2003 2:09 pm
- Zip Code: 63664
- Tractors Owned: 47, 48, 49 cub plus Wagner loader & other attachments. 41 Farmall H.
- Location: Mo, Potosi
Rotavator rebuild
I have used my Howard Rotavator for about 3 seasons, now, and have been wanting to rebuild it for quite a while. It works great, but looks pretty rough, plus the oil leaks out in a matter of a few hours. I have been adding oil when ready to till the gardens each spring, and after the first winter I left it outside due to the oil running out. When I finished with it last summer I moved it to my gonna rebuild someday pile, and I finally got started on it last week. Here it is just out side the shop with the first parts off.
And on it's way inside. I have been waiting to so this till I got the loader ready to use to make handling it easier. The loader will be real handy to clean up the mess too.
I figured a picture of the tine layout might be good., the arrangement is not as simple as it looks.
I stacked up some pallets to make working on it easier on my back, and started tearing down. It is all in a pile of parts now. The bearings themselves were good, but they are sealed bearings, and the seals hold the oil in the gear and chain boxes, and the seals are bad, so the only option is to replace them. I suspect the chain cover may have a hole worn in it also, but do not yet have it cleaned up enough to tell. the sprockets, chains, chain cover, and top gears are already in the parts washer. My hands were too messy to use the camera.
P.S. the belt pulley is not part of it.
I did figure out that when your parts washer is outside, it is best to already have the door open when you start out with both hands full of greasy parts.
And on it's way inside. I have been waiting to so this till I got the loader ready to use to make handling it easier. The loader will be real handy to clean up the mess too.
I figured a picture of the tine layout might be good., the arrangement is not as simple as it looks.
I stacked up some pallets to make working on it easier on my back, and started tearing down. It is all in a pile of parts now. The bearings themselves were good, but they are sealed bearings, and the seals hold the oil in the gear and chain boxes, and the seals are bad, so the only option is to replace them. I suspect the chain cover may have a hole worn in it also, but do not yet have it cleaned up enough to tell. the sprockets, chains, chain cover, and top gears are already in the parts washer. My hands were too messy to use the camera.
P.S. the belt pulley is not part of it.
I did figure out that when your parts washer is outside, it is best to already have the door open when you start out with both hands full of greasy parts.
If you are not part of the solution,
you are part of the problem!!!
you are part of the problem!!!
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- 10+ Years
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Re: Rotavator rebuild
Man, i realy like that, do they work good? i would like to find one of those, do you know were i could find one? please keep the pics coming i would like to see it when you get it finshed. Thanks
Have A Nice Day!
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- Cub Pro
- Posts: 2293
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1951 F-Cub
1960 Yellow Loboy
Despeeder, FH Rototiller, / FH York Rake, FH plow, 152 Disk plow, Woods brush mower, Wagner Loader, Grader Blades, 23-A Disc Harrow. Spike tooth harrow
FORD JUBILEE with Sherman 12-speed
1953 Ford F-100 Jubilee
Cadet 108 with mower and snow thrower -Cadet 1650 with deck and thrower - Circle of Safety: Y
Re: Rotavator rebuild
Great progress John. The loader sure works great for moving the rotovator around doesn't it ?
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- 10+ Years
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- Zip Code: 71023
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- Location: LA, Doyline
Re: Rotavator rebuild
Way to go john.
1975 cub (LouAnn) serial # 245946, 1941 John Deere Model H
Good judgment comes from experience,
and a lot of that comes from bad judgment. Will Rogers
Good judgment comes from experience,
and a lot of that comes from bad judgment. Will Rogers
-
- Cub Pro
- Posts: 2293
- Joined: Tue Sep 02, 2008 3:46 pm
- Zip Code: 54911
- Tractors Owned: -
1951 F-Cub
1960 Yellow Loboy
Despeeder, FH Rototiller, / FH York Rake, FH plow, 152 Disk plow, Woods brush mower, Wagner Loader, Grader Blades, 23-A Disc Harrow. Spike tooth harrow
FORD JUBILEE with Sherman 12-speed
1953 Ford F-100 Jubilee
Cadet 108 with mower and snow thrower -Cadet 1650 with deck and thrower - Circle of Safety: Y
Re: Rotavator rebuild
Those tines you took off actually look in pretty good shape yet----save them!
They are better than the ones on mine right now
They are better than the ones on mine right now
-
- Cub Pro
- Posts: 23701
- Joined: Sun Feb 02, 2003 2:09 pm
- Zip Code: 63664
- Tractors Owned: 47, 48, 49 cub plus Wagner loader & other attachments. 41 Farmall H.
- Location: Mo, Potosi
Re: Rotavator rebuild
They work good, but are slow and only take a 28 inch wide strip. They do strain a cub to the limits, to the point that if you let it down to fast it stalls the engine. It will work without the speed reducer, but you need it to do a proper job without making several passes. As to where to find one, I suggest patience and your life savings. I was lucky finding my speed reducer and tiller separately for reasonable prices, and for friends that made some necessary repairs I could not. normally the complete reducer is around 500 to 700, and a usable tiller about the same.Need Some Help wrote:Man, i realy like that, do they work good? i would like to find one of those, do you know were i could find one? please keep the pics coming i would like to see it when you get it finished. Thanks
They are only a couple years old, and will definitely be reused. Except for one that is, which was broken through one of the bolt holes when I removed it, and I plan to replace it rather than try to weld the high carbon steel.Todd W wrote:Those tines you took off actually look in pretty good shape yet----save them!
They are better than the ones on mine right now
Did anyone notice the little pile of white sand and the duct tape on the bag in the right side of this picture?
I was removing the blades and throwing them into a pile and one of them bounced up and cut a hole in the side of the bag, which I did not notice for a couple of minutes.
If you are not part of the solution,
you are part of the problem!!!
you are part of the problem!!!
-
- 10+ Years
- Posts: 7832
- Joined: Tue Feb 15, 2005 10:10 am
- Zip Code: 71023
- Circle of Safety: Y
- Location: LA, Doyline
Re: Rotavator rebuild
[quote="John *.?-!.* cub owner
I was removing the blades and throwing them into a pile and one of them bounced up and cut a hole in the side of the bag, which I did not notice for a couple of minutes.[/quote]
Good judgment comes from experience, and a lot of that comes from bad judgment. Will Rogers
I was removing the blades and throwing them into a pile and one of them bounced up and cut a hole in the side of the bag, which I did not notice for a couple of minutes.[/quote]
Good judgment comes from experience, and a lot of that comes from bad judgment. Will Rogers
1975 cub (LouAnn) serial # 245946, 1941 John Deere Model H
Good judgment comes from experience,
and a lot of that comes from bad judgment. Will Rogers
Good judgment comes from experience,
and a lot of that comes from bad judgment. Will Rogers
-
- Cub Pro
- Posts: 2293
- Joined: Tue Sep 02, 2008 3:46 pm
- Zip Code: 54911
- Tractors Owned: -
1951 F-Cub
1960 Yellow Loboy
Despeeder, FH Rototiller, / FH York Rake, FH plow, 152 Disk plow, Woods brush mower, Wagner Loader, Grader Blades, 23-A Disc Harrow. Spike tooth harrow
FORD JUBILEE with Sherman 12-speed
1953 Ford F-100 Jubilee
Cadet 108 with mower and snow thrower -Cadet 1650 with deck and thrower - Circle of Safety: Y
Re: Rotavator rebuild
So John...are those the replacement tines on there that come form the Howard walk behind?
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- Cub Pro
- Posts: 23701
- Joined: Sun Feb 02, 2003 2:09 pm
- Zip Code: 63664
- Tractors Owned: 47, 48, 49 cub plus Wagner loader & other attachments. 41 Farmall H.
- Location: Mo, Potosi
Re: Rotavator rebuild
yes, that is them, and are the same number you posted earlier.Todd W wrote:So John...are those the replacement tines on there that come form the Howard walk behind?
One thing to consider, is that you need bolts for the tines that have an non threaded portion that is long enough to reach through the threads taking the shear force. It will be stronger and a tighter fit, and less apt to loosen and shear. The problem with this is that unless you can find some special bolts designed for that purpose, they will have a lot of excess threads making them a pain to remove later when dirty and rusty, unless you cut them off.
If you are not part of the solution,
you are part of the problem!!!
you are part of the problem!!!
-
- Cub Pro
- Posts: 2293
- Joined: Tue Sep 02, 2008 3:46 pm
- Zip Code: 54911
- Tractors Owned: -
1951 F-Cub
1960 Yellow Loboy
Despeeder, FH Rototiller, / FH York Rake, FH plow, 152 Disk plow, Woods brush mower, Wagner Loader, Grader Blades, 23-A Disc Harrow. Spike tooth harrow
FORD JUBILEE with Sherman 12-speed
1953 Ford F-100 Jubilee
Cadet 108 with mower and snow thrower -Cadet 1650 with deck and thrower - Circle of Safety: Y
Re: Rotavator rebuild
Thanks for the helpful heads up! What about buying bolts with non-threaded portion, and cutting the bolts short to fit, so only a few threads are exposed to rust?
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- Team Cub Mentor
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1957 Farmall Cub w/FH
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- Location: MD, Deep Creek Lake
Re: Rotavator rebuild
John, what size bolts are needed?
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- Cub Pro
- Posts: 23701
- Joined: Sun Feb 02, 2003 2:09 pm
- Zip Code: 63664
- Tractors Owned: 47, 48, 49 cub plus Wagner loader & other attachments. 41 Farmall H.
- Location: Mo, Potosi
Re: Rotavator rebuild
That is what I plan to do, but will cut flush, so no threads are exposed, and paint the ends to reduce rust. At least until paint wears off.Todd W wrote:Thanks for the helpful heads up! What about buying bolts with non-threaded portion, and cutting the bolts short to fit, so only a few threads are exposed to rust?
They are 5/16 bolts, but to get the needed shoulder, I have only found 1 1/2 inch or longer.
Got the frame and parts pressure washed and ready to sand blast.
Looks like the chain case has had some previous repair. Lower sprocket appears to be rubbing the case, and I will have to figure out what is going on with that.
If you are not part of the solution,
you are part of the problem!!!
you are part of the problem!!!
-
- Cub Pro
- Posts: 2293
- Joined: Tue Sep 02, 2008 3:46 pm
- Zip Code: 54911
- Tractors Owned: -
1951 F-Cub
1960 Yellow Loboy
Despeeder, FH Rototiller, / FH York Rake, FH plow, 152 Disk plow, Woods brush mower, Wagner Loader, Grader Blades, 23-A Disc Harrow. Spike tooth harrow
FORD JUBILEE with Sherman 12-speed
1953 Ford F-100 Jubilee
Cadet 108 with mower and snow thrower -Cadet 1650 with deck and thrower - Circle of Safety: Y
Re: Rotavator rebuild
John, that same repair was done on mine from chain wear, but mine is worse
-
- Cub Pro
- Posts: 23701
- Joined: Sun Feb 02, 2003 2:09 pm
- Zip Code: 63664
- Tractors Owned: 47, 48, 49 cub plus Wagner loader & other attachments. 41 Farmall H.
- Location: Mo, Potosi
Re: Rotavator rebuild
Got it primed today, all except for the chain case. That will wait till I figure out the rubbing problem, though I suspect it is a too lose chain. I primed the small stuff on one side and then rolled it outside and let it set, plus doing some other minor stuff around the shed, then brought the small stuff back in and primed the other side. Now it will set and harden a few days while I clean up and replace hardware as needed, and wait for bearings. The 2 on the tine shaft may be a pain to find.
Note, that is red oxide primer, not 2150 red, but the flash makes the wet paint shine.
Note, that is red oxide primer, not 2150 red, but the flash makes the wet paint shine.
If you are not part of the solution,
you are part of the problem!!!
you are part of the problem!!!
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