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Allis Chalmers Discussion Forum
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Need part or ideas on how to fix a part

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old

05-10-2006 14:40:47




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The sickle mower I have has a part that isn't going to loast much longer. Its the belly monut one for a C allis. The part I need is the pitman drive bearing cap I guess you would call it. Its that part that the pitman straps sit on and makes the pitman go back and forth. I think the part number is 70802617. Agco says they are no longer to be had. Thanks

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norm in WI

05-11-2006 17:32:14




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 Re: Need part or ideas on how to fix a part in reply to old, 05-10-2006 14:40:47  
I fixed mine by making some bushings out of copper tubing. Flare the end of a piece of copper tubing with a punch and tap it onto the little pegs. Cut them off flush and tighten the yoke down to compress the copper. It may be temporary, but it's cheap and they're never out of stock



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Jerry Coulter

05-11-2006 11:45:31




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 Re: Need part or ideas on how to fix a part in reply to old, 05-10-2006 14:40:47  
I find this information in the April 1958 dealer parts catalog: 802617 is the housing and bearing assembly. Housing alone is 802125. Bearing alone with race is 802127. These parts are the same for the B-C, #3 semi-mount trailer, and #5 CA mower. If your mower was made before August 1939, then the housing number is 802736, the same is used on the WC mower. Understand that AGCO adds a 70 prefix to old AC numbers, and numbers are sometimes superceded over the years.

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old

05-11-2006 11:59:08




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 Re: Need part or ideas on how to fix a part in reply to Jerry Coulter, 05-11-2006 11:45:31  
I called the dealer and there parts list has it as NA no longer available. So far on this mower I have found that most of the parts are N/A. Ya I can get sections and the pitman and bearings but thats about it



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Rod (NH)

05-10-2006 16:26:45




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 Re: Need part or ideas on how to fix a part in reply to old, 05-10-2006 14:40:47  
Old,

I think you are talking about the pitman bearing housing and not the actual cap. The housing has the two tapered "protrusions" that the pitman arm straps attach to. The bearing cap does not. The housing is a wear part (those "protrusions") where the cap is not. I bought a new one of those housings for my B/C mower about four years ago from a local dealer who used to sell and service AC years ago. I think he had to order it and it was kind of pricey as I recall. I can't confirm the part number as I no longer have the sales slip and my mower manual uses the older series of part numbers (308377 for that housing). Have you tried Sandy Lake Implement? If you totallly strike out on a new replacement part, I would consider building up those protrusions by gas welding, if that wear is the problem. Re-machining the taper is usually out of the realm of the home shop but if it were me, I'd consider hand grinding by eye to get things close enough to work with the pitman straps. If you want a pro repair on such a part, I'd get in touch with George Miller Machine. He does amazing repairs by gas welding on cast parts that most people would send to the scrap pile as junk.

If this is the same mower on a C that you were talking about a while back concerning the lift mecanism, it didn't look like a B/C mower to me so you may have something different than what I am thinking about, although that bearing housing could be the same.

PS: I tried to use a different word than "protrusion" but it couldn't get past the nanny filter :).

third party image Rod

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old

05-10-2006 16:57:41




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 Re: Need part or ideas on how to fix a part in reply to Rod (NH), 05-10-2006 16:26:45  
Yep you know what part I'm talking about. I was going to try calling them something but figured it wouldn't work so I didn't even try. On mine the nubs lets call them are more then half gone and I figure its not going to last long that way. My local dealer says there no longer availible , ya if you can call 40 miles away local. I may yet give ni-rod a try. I can weld good with arc but haven't done much with a torch.

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JMS/MN

05-10-2006 17:58:00




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 Re: Need part or ideas on how to fix a part in reply to old, 05-10-2006 16:57:41  
After reading your explanation about 'nubs', I know what you are talking about. Same thing is worn on my WD mower, think it's a #3. Figured I'd weld it up and carefully grind it down with a die grinder. You don't want to buy the bearing inside either- last I heard was about $70 if you can find it. I got a used one. Other option is to jerry-rig something from other parts. Anything that goes round and round and stays in place.

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BCnT

05-10-2006 17:55:12




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 Re: Need part or ideas on how to fix a part in reply to old, 05-10-2006 16:57:41  
if you can arc weld...you can gas weld...just take your time and let parts heat properly...never used ni-rod before...always use brass on cast iron...fixed a machine awhile back that had a tapered shaft by cutting a taper off a tie rod end and brazing it onto the cast piece...works like a hose so far.



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old

05-10-2006 18:17:26




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 Re: Need part or ideas on how to fix a part in reply to BCnT, 05-10-2006 17:55:12  
Well I figured since ni-rod is a very hard rod and hard to even grind it would work good and hold up well. Its the only rod I have ever used on cast iron and have always had good luck with it. I had thought about grinding off the nubs and then drilling a couple holes in it and useing a bolt but figured I would brake or crack it if I tried to do it that way. And since my wife is easy going I also figure on useing the oven and heating it up to max what the oven will go then take it out weld it and then back in the oven. Then turn it off and walk away till I can hold it in my hands.

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JMS/MN

05-11-2006 06:48:14




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 Re: Need part or ideas on how to fix a part in reply to old, 05-10-2006 18:17:26  
Our local welder has done a lot of cast plow standards, like on a IH 720. He cools them overnight in fiberglass blanket insulation. Retards the cooling even more.



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