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CRACK CRACK CRACK!
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- 10+ Years
- Posts: 156
- Joined: Sun Mar 02, 2003 6:41 pm
- Location: Millersville, PA
Cub repair
Allenlook, you are exactly right. Take it to someone familiar with cast iron repair, have him weld it with nickel rod and you are finished. My tractor was fixed that way years ago and it is fine. I am refering to the crack you have below your grill.
S.H.A.F.T.
S.H.A.F.T.
"Son, you can do it right, or you can do it again."
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- Cub Pro
- Posts: 7013
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- Location: OHIO, Fremont
AllenLook,
Unlike the front ear on the engine, this break isn't under much stress... so a weld repair is possible. It will require a lot of careful preparation (cleaning, sandblasting, and crack grinding) and temperature control. Here's a picture of one I repaired some time ago. I did clamp the casting to eliminate the bulge and did some careful cosmetic work afterward. You should be able to do the same.
Unlike the front ear on the engine, this break isn't under much stress... so a weld repair is possible. It will require a lot of careful preparation (cleaning, sandblasting, and crack grinding) and temperature control. Here's a picture of one I repaired some time ago. I did clamp the casting to eliminate the bulge and did some careful cosmetic work afterward. You should be able to do the same.
George Willer
http://gwill.net
The most affectionate creature in the world is a wet dog. Ambrose Bierce
http://gwill.net
The most affectionate creature in the world is a wet dog. Ambrose Bierce
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- 10+ Years
- Posts: 306
- Joined: Thu Jul 17, 2003 10:49 pm
- Location: KATY, TEXAS
CRACKS-CRACKS-CRACKS
GEORGE, I HAVE THE EXACT PROBLEM YOUR SPEAKING OF. THE FRONT EARS ON THE ENGINE BLOCK ON THE RIGHT SIDE AT THE COOLANT TUBE ARE BROKEN OFF. THE FRONT BOLSTER CRACKED AND BROKE IN HALF LEAVING THE TRACTOR ON THE GROUND, " NOSE DOWN". I HAVE PURCHASED A NEW BOLSTER HOUSING FROM T&M. DO YOU THINK THE EARS ON THE BLOCK CAN BE WELDED SUFFICENTLY ENOUGH FOR A "SOLID" REPAIR??
THANKS,
LARRY
THANKS,
LARRY
LARRY BALL
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- Cub Pro
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Larry,
No, I don't think it can be welded to be as strong as original (which was not strong enough). Adding external gussets will, of course help, but I would only spend the effort to keep an engine running that is otherwise sound. I wouldn't invest money rebuilding a repaired block. It will take less stress to break it the next time.
The problem is not the weld itself, but the heat affected metal in the boundary area adjacent to the weld. It's just the nature of cast iron for the carbon content to be altered in form by welding heat.
I know others disagree.
No, I don't think it can be welded to be as strong as original (which was not strong enough). Adding external gussets will, of course help, but I would only spend the effort to keep an engine running that is otherwise sound. I wouldn't invest money rebuilding a repaired block. It will take less stress to break it the next time.
The problem is not the weld itself, but the heat affected metal in the boundary area adjacent to the weld. It's just the nature of cast iron for the carbon content to be altered in form by welding heat.
I know others disagree.
George Willer
http://gwill.net
The most affectionate creature in the world is a wet dog. Ambrose Bierce
http://gwill.net
The most affectionate creature in the world is a wet dog. Ambrose Bierce
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- Team Cub Guide
- Posts: 3280
- Joined: Thu Feb 20, 2003 4:54 pm
- Zip Code: 71203
- Tractors Owned: 1948,55, and 56 Farmall Cubs.
- Circle of Safety: Y
- Location: Louisiana
I know others disagree.
Actually George, you are spot on the money. My Dad was a machinist trained by the Army, he said the exact same thing when he repaired my front engine cover. (Slot for cooling fan). He's forgot more stuff than I'll ever know!! In fact, I may post a picture of his latest bit of "piddling" he did for my '50.
HR
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- Cub Pro
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- Location: NY, Saratoga Springs
Very true.
George,
Just having looked over the tractor in the past few days, I agree with you completely. Although it looks sturdy, I can really believe that a lot of the blocks are cracked on those front ears. While having the engine block be a part of the chassis is an elegant and simple design, those front tabs just don't look like they have enough mass to survive repeated farm-related beatings...
Subjecting that area to welding-level heat, and perhaps not getting the entire crack repaired internally (which leaves stress points at any sharp angle internally or externally along the crack) would only lead to future failures.
Just having looked over the tractor in the past few days, I agree with you completely. Although it looks sturdy, I can really believe that a lot of the blocks are cracked on those front ears. While having the engine block be a part of the chassis is an elegant and simple design, those front tabs just don't look like they have enough mass to survive repeated farm-related beatings...
Subjecting that area to welding-level heat, and perhaps not getting the entire crack repaired internally (which leaves stress points at any sharp angle internally or externally along the crack) would only lead to future failures.
Searchable Cub Parts Database and Manual Galleries at www.farmallcub.info - Computerized Carving at www.bitcarving.com
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- Team Cub Guide
- Posts: 3280
- Joined: Thu Feb 20, 2003 4:54 pm
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- 10+ Years
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- Cub Pro
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- Location: NY, Saratoga Springs
Where?
Jim,
Where was the crack that you had repaired, and how serious was the crack to begin with?
All,
As this appears to be a "good" topic (one that everyone has an opinion about, and one that too many unfortunate list members have had experience with), is there anything I can do in the service of the list, like taking pictures, documenting the position of the crack and trueness of the radiator seat, etc., and then keeping track of the fix? Or is it just too subjective based on the quality of the fix (and the fixer?)
Where was the crack that you had repaired, and how serious was the crack to begin with?
All,
As this appears to be a "good" topic (one that everyone has an opinion about, and one that too many unfortunate list members have had experience with), is there anything I can do in the service of the list, like taking pictures, documenting the position of the crack and trueness of the radiator seat, etc., and then keeping track of the fix? Or is it just too subjective based on the quality of the fix (and the fixer?)
Searchable Cub Parts Database and Manual Galleries at www.farmallcub.info - Computerized Carving at www.bitcarving.com
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- Team Cub Mentor
- Posts: 24144
- Joined: Sun Feb 02, 2003 12:50 pm
- Zip Code: 43113
- Circle of Safety: Y
- Location: OH, Circleville
Pictures and a story are always good!
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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- Cub Pro
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- Location: NY, Saratoga Springs
Finally!
Finally got the @#$! thing off!
Now I need to clean it up some and get it welded - I'll try to get pictures at each stage.
Now I need to clean it up some and get it welded - I'll try to get pictures at each stage.
Searchable Cub Parts Database and Manual Galleries at www.farmallcub.info - Computerized Carving at www.bitcarving.com
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- Cub Pro
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- Tractors Owned: 1947 Cub "Granny"
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Dad's Putt-Putt
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Post Hole Digger
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Yup:
Pics, narrative and stuff would be an excellent way to get an article for the Maintenance Tips and Techniques section on the server. I am always looking for someone to volunteer to document their repairs etc., so that others can learn from what has gone before.
Please, do document as you go along, including the front end stuff too!
Pics, narrative and stuff would be an excellent way to get an article for the Maintenance Tips and Techniques section on the server. I am always looking for someone to volunteer to document their repairs etc., so that others can learn from what has gone before.
Please, do document as you go along, including the front end stuff too!
Confusion breeds Discussion which breeds Knowledge which breeds Confidence which breeds Friendship
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- Cub Pro
- Posts: 1795
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- Zip Code: 12020
- Location: NY, Saratoga Springs
WHOA WHOA WHOA!!!
Well, now that things are cleaned up it's a different story!
I put a high-pressure water gun to the bolster today, and instead of two cracks 3 inches long, I actually have a single crack the *entire width* of the bolster! It's 12 to 14 inches long.
I took it to two welding shops, but the young canogies didn't know what they were looking at... I still think it could be fixed by someone who knows what they're doing, but it's a matter of *finding* the right canogie... It needs to be drilled and ground out, heat soaked for a good long time, welded, and then let cool inside the heat soaker while the whole oven cools down over the course of a day...
For now, I'll be saving myself some legwork and buying a used one!
I put a high-pressure water gun to the bolster today, and instead of two cracks 3 inches long, I actually have a single crack the *entire width* of the bolster! It's 12 to 14 inches long.
I took it to two welding shops, but the young canogies didn't know what they were looking at... I still think it could be fixed by someone who knows what they're doing, but it's a matter of *finding* the right canogie... It needs to be drilled and ground out, heat soaked for a good long time, welded, and then let cool inside the heat soaker while the whole oven cools down over the course of a day...
For now, I'll be saving myself some legwork and buying a used one!
Searchable Cub Parts Database and Manual Galleries at www.farmallcub.info - Computerized Carving at www.bitcarving.com
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- Cub Pro
- Posts: 1795
- Joined: Sat Jul 31, 2004 10:37 pm
- Zip Code: 12020
- Location: NY, Saratoga Springs
Used one is on the way...
Waiting... waiting... waiting...
Got the check in the mail to the parts man today - it's only a matter of time
Got the check in the mail to the parts man today - it's only a matter of time
Searchable Cub Parts Database and Manual Galleries at www.farmallcub.info - Computerized Carving at www.bitcarving.com
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