crank case cover weld

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crank start
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crank case cover weld

Postby crank start » Wed Jan 24, 2018 2:41 pm

The fan assembly disintegrated on my 1951 cub and broke one of the tines on the crank case cover that forms the fork that holds the fan spindle. This is a cast iron piece. It is a clean break at the base of the tine and I am wondering if anyone has welded this fork back on or do I have to (ugh) replace the entire cover?

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Peter Person
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Re: crank case cover weld

Postby Peter Person » Wed Jan 24, 2018 2:58 pm

Should be able to find one to replace your broken one. Then you can play around with the broken one.

Try the site sponsors and then other sources.

Here's one on ebay: https://www.ebay.com/itm/Farmall-Cub-LB-Lo-Low-Boy-tractor-IH-engine-front-panel-cover/323017940461?hash=item4b355e9ded:g:0msAAOSw8w1X3gCN
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Re: crank case cover weld

Postby Bob McCarty » Wed Jan 24, 2018 3:03 pm

I've seen several that were brazed. One looked okay, the other wasn't aligned when it was brazed. The down side is that if a repair breaks you'll loose your radiator too.
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Re: crank case cover weld

Postby Dale Finch » Wed Jan 24, 2018 3:04 pm

I understand your reluctance to swapping your broken cover for a "new" one, since it means having to pull the front crankshaft pulley, plus everything else up there.
Good time, though, if you are leaking oil from that front crankshaft seal!! :?

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Re: crank case cover weld

Postby AL Farmall Boy » Wed Jan 24, 2018 4:39 pm

better off to fix it "right" with a good used one!
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Re: crank case cover weld

Postby SONNY » Wed Jan 24, 2018 6:04 pm

Weld is ok,--- BUT on this part go for the used one!!--be safe!!---Check rad real close to see if it has any damage. thanks; sonny
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Re: crank case cover weld

Postby Dale Finch » Wed Jan 24, 2018 6:09 pm

PM sent

jsfarmall
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Re: crank case cover weld

Postby jsfarmall » Wed Jan 24, 2018 10:26 pm

A good experienced welder can fix that easily.

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Willy
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Re: crank case cover weld

Postby Willy » Wed Jan 24, 2018 11:06 pm

jsfarmall wrote:A good experienced welder can fix that easily.


Yep. I have to chuckle when I hear someone say that you can't weld cast. You can, but it's a pain to do it and takes tons of patience. And my welding skills are probably too rusty to do it now. But I have done it a few times on some rare parts that were extremely hard to find replacements.
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Re: crank case cover weld

Postby Shane Nelson » Thu Jan 25, 2018 6:26 am

One of Walt’s “tines” isn’t broken but the whole upper part was at one point. This was like this when I got it. Sorry for the not so good pictures I took them before work this morning. As far as the tine being fixed and being a welder myself, I wouldn’t hesitate repairing one. There is a lot of room on the back for a brace or extra piece of material to be welded or brazed to strengthen it. I would want it off the tractor to fix it though to make sure it’s done right. If you have to take it off anyway it may not be much more to replace it with a good used one.
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Re: crank case cover weld

Postby Gary Dotson » Thu Jan 25, 2018 7:50 am

Years ago, I welded one, on the tractor and was surprised it actually held. I agree with Shane, it really should be off the tractor, to repair properly and at that point, why not simply replace it.

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Re: crank case cover weld

Postby Urbish » Thu Jan 25, 2018 9:57 am

JP Tractor salvage has used front covers for $40. You may be able to get one cheaper from a forum member. For $40, I wouldn't screw around with trying to weld it.

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Re: crank case cover weld

Postby Willy » Thu Jan 25, 2018 10:16 am

Urbish wrote:JP Tractor salvage has used front covers for $40. You may be able to get one cheaper from a forum member. For $40, I wouldn't screw around with trying to weld it.


I agree with replacing it at this point. It's not a rare part that can't be easily replaced. But once, I'd replaced it, I would repair the old one just in case. While they aren't rare, they don't make them anymore. If nothing else, on down the road, you might could recoup the cost of the replacement cover.
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Nah, it's not leaking oil. It's just marking it's territory.

AL Farmall Boy
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Re: crank case cover weld

Postby AL Farmall Boy » Thu Jan 25, 2018 2:51 pm

Good thinking!!
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crank start
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Zip Code: 23072
Tractors Owned: 1951 Farmall Cub
Location: Hayes, VA

Re: crank case cover weld

Postby crank start » Thu Jan 25, 2018 3:20 pm

After reading all the responses have decided to remove the broken cover. Looking at bearing separator kits, they all seem to come in 2 and 3" sizes. Will this work to remove crank pulley? Thanks for all the help.


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