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Farmall & IHC Tractors Discussion Forum
Show Parts for Model:

International Cub Belly Mower

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Buck Cole

05-30-2004 17:55:28
68.97.146.39



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On an early 1970's Cub, with an International C-2 rotary mower (belly mower), the pully still turns normally but the shaft doesn't turn with it. It is like there is a shear pin that has been sheared. Is there a shear pin in the shaft assembly? If so, how is it changed? If there is no shear pin, what could be wrong?

Thanks for the help.

Buck




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Rudi

05-31-2004 14:24:30
69.195.159.117



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 Re: International Cub Belly Mower in reply to Buck Cole, 05-30-2004 17:55:28  

Buck:

Go to the manual server at the link below. There are manuals for the C-2 and Parts Manuals as well. I think that might help a bit.



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Buck Cole

05-31-2004 15:39:13
68.97.146.39



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 Re: Re: International Cub Belly Mower in reply to Rudi, 05-31-2004 14:24:30  
Thanks for the link. I have the operating manual for the tractor. It doesn't go into the detail that deals with this problem from what I can tell. Appreciate your help.



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Red Raider

05-31-2004 07:17:46
208.188.17.239



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 Re: International Cub Belly Mower in reply to Buck Cole, 05-30-2004 17:55:28  
There are 4 pins forced by springs to engage the shaft within the ORC. Could be they have all siezed in the up position and do not drop down as they should. Pull the pulley off to check.



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Buck Cole

05-31-2004 09:36:35
68.97.146.39



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 Re: Re: International Cub Belly Mower in reply to Red Raider, 05-31-2004 07:17:46  
The pins on the pulley engage just fine with that "slotted" part (I'm not sure what it is called). The slotted part turns with the pulley but the shaft that goes through all of that doesn't turn with it.


The pulley is held on with a cap with a 9/16" bolt that goes down through it into threads in the shaft and tightens the cap on. There is a locating pin (almost a bump) that is on the bottom of the cap that fits into a square slot in the shaft but I cannot see a pin that is in down in the square slot. That is where I was wondering if a shear pin was but I just couldn't see it due to grease.

There are 2 nuts (I think 1/2 "). I think they are on the part with 4 tapered (wedge shaped) slots that the spring loaded pins on the bottom of the pulley go down into to engage the pulley to the shaft assembly. One of those was loose so I tightened it lightly. The bolt that those two nuts go over looks hollow, almost like a tube with threads on the outside.

Sorry for the long response. I really appreciate your help.

Buck

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49 Cubber!

05-31-2004 06:42:22
206.74.236.30



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 Re: International Cub Belly Mower in reply to Buck Cole, 05-30-2004 17:55:28  
Idont know on the C2 but the 3160 has a key on each pulley to keep the pulley from spinng on the shaft.My center one sheared last week and fortunatly all it did was ruin the insert.



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Buck Cole

05-31-2004 09:32:15
68.97.146.39



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 Re: Re: International Cub Belly Mower in reply to 49 Cubber!, 05-31-2004 06:42:22  
That is what I'm wondering about mine.

The pulley is held on with a cap with a 9/16" bolt that goes down through it into threads in the shaft and tightens the cap on. There is a locating pin (almost a bump) that is on the bottom of the cap that fits into a square slot in the shaft but I cannot see a pin that is in down in the square slot. That is where I was wondering if a shear pin was but I just couldn't see it due to grease. Is this where the insert you are talking about goes?

There are 2 nuts (I think 1/2 "). I think they are on the part with 4 tapered (wedge shaped) slots that the spring loaded pins on the bottom of the pulley go down into to engage the pulley to the shaft assembly. One of those was loose so I tightened it lightly. The bolt that those two nuts go over looks hollow, almost like a tube with threads on the outside. The pins on the pulley engage just fine with that "slotted" part. The slotted part turns with the pulley but the shaft that goes through all of that doesn't turn with it. I don't know if this could be part of the problem or not.

Sorry for the long response. I really appreciate your help.

Buck

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49 Cubber!

05-31-2004 12:33:10
206.74.236.15



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 Re: Re: Re: International Cub Belly Mower in reply to Buck Cole, 05-31-2004 09:32:15  
No,the insert I am refering to is part of the pulley,you may not have this type of pulley.Mine is inside the pulley and is tapered to the pulley and you tighten down three bolts little at a time to tighten the pulley to the shaft.Kinda hard to explain if you dont know what Im talking about.Regargless,there should be some type of pin or key to prevent the pulley from spinning on the shaft.



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Buck Cole

05-31-2004 15:21:57
68.97.146.39



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 Re: Re: Re: Re: International Cub Belly Mower in reply to 49 Cubber!, 05-31-2004 12:33:10  
That doesn't sound like the pulley on mine. I'll take another look. Thanks for the help,



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Bigdog

05-30-2004 18:37:53
24.160.184.99



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 Re: International Cub Belly Mower in reply to Buck Cole, 05-30-2004 17:55:28  
The C2 had an over-running clutch. Are you sure you're running it in the right direction. If you are, you may have problems with the over-run clutch.



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Buck Cole

05-30-2004 20:12:53
68.97.146.39



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 Re: Re: International Cub Belly Mower in reply to Bigdog, 05-30-2004 18:37:53  
The mower was working fine and then it quit cutting. That is when I realized what was happening. Based on that, I'm sure it is running in the right direction.

Thanks,

Buck



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LWWinPA

05-31-2004 04:52:41
24.239.219.234



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 Re: Re: Re: International Cub Belly Mower in reply to Buck Cole, 05-30-2004 20:12:53  
Dose it have a insert in the pully if so tighten the bolts on it and that should solve the problem



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Buck Cole

05-31-2004 09:19:17
68.97.146.39



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 Re: Re: Re: Re: International Cub Belly Mower in reply to LWWinPA, 05-31-2004 04:52:41  
I'm not sure if it has an insert or not. The pulley is held on with a cap with a 9/16" bolt that goes down through it into threads in the shaft and tightens the cap on. There is a locating pin (almost a bump) that is on the bottom of the cap that fits into a square slot in the shaft but I cannot see a pin that is in down in the square slot. That is where I was wondering if a shear pin was but I just couldn't see it due to grease.

There are 2 nuts (I think 1/2 "). I think they are on the part with 4 tapered (wedge shaped) slots that the spring loaded pins on the bottom of the pulley go down into to engage the pulley to the shaft assembly. One of those was loose so I tightened it lightly. The bolt that those two nuts go over looks hollow, almost like a tube with threads on the outside. The pins on the pulley engage just fine with that "slotted" part. The slotted part turns with the pulley but the shaft that goes through all of that doesn't turn with it.

Sorry for the long response. I really appreciate your help.

Buck

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