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Tractor Talk Discussion Forum

Lining up a tractor flat belt

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Dave NE IA

03-02-2006 19:01:50




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Often lining up a tractor flat belt is just as easy as falling off the tractor seat-- it just comes easy. Then however especialy under heavy loads and a big crowd of onlookers, the belt will not stay on even when you have a dozen well meaning sidewalk supervisors. At our show we have a brick making machine that takes a very extreem tight belt. It will put a IH M on her knees. Seems that is always a hard one to line up. Years ago I seen a chart on how to align flat belts, like if it climbs or dances it gave the proper correction. Does anyone have a chart? Thanks in advance. Dave NE IA

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Dave NE IA

03-03-2006 19:03:22




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 Re: Lining up a tractor flat belt in reply to Dave NE IA, 03-02-2006 19:01:50  
Thanks guys, Hey when you say crossed, is that the same language we call twisting the belt to run the oposite direction? The reason I ask is about 24 years ago I had a B JD on the baker fan with a long belt. The JD's when you put them on their knees will snap the belt to the point of making bystanders get whiplash in their necks. Many times just throttling back will help. My dad made mention of tearing belts up years ago by doing this. A old JD farmer was watching my escapade with the B JD and asked if I would be ofended if he showed me how to belt up a two cylinder. I usualy have no problem admiting I have alot to learn and this was no exception. We were running a straight belt, he twisted the belt inside out on the tractor only. Some of you guys will offer the suggestion that it reverses the machine. This does not reverse the direction I must point out, but makes it work ten times better. That is why I mention crossing the belt, as old and gray I am I have never heard that termanology. I have never seen anyone else do this (turning the belt inside out on the tractor)and I attend quite a few shows. I have seen this alot after I offered to help them with their problem. Dave NE IA

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Bill(Wis)

03-04-2006 06:03:44




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 Re: Lining up a tractor flat belt in reply to Dave NE IA, 03-03-2006 19:03:22  
I meant to say twist and, yes, that does reverse the direction of the driven pulley. Every belt driven machine I ever worked with (lots of threshing machines and silo fillers) were set up to operate that way. Maybe your machine is different. JDs under load on the belt missing just once would sometimes cause the belt hop you described. It was really funny to watch and usually required disengaging the clutch and then trying to get things going again before a plug up occurred. Fortunately the feed table apron would stop if the RPM dropped off. It was especially funny if a bunch of Farmall guys were standing around watching.

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Bill(Wis)

03-03-2006 13:52:15




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 Re: Lining up a tractor flat belt in reply to Dave NE IA, 03-02-2006 19:01:50  
Also, when you cross the belt, cross it toward the tractor.



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buickanddeere

03-03-2006 10:36:13




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 Re: Lining up a tractor flat belt in reply to Dave NE IA, 03-02-2006 19:01:50  
Flat belts have to be run crossed or double crossed to track true. Watch the thumbs and fingers when pushing the belt onto the pulley. It only takes a split second to "get wrapped up in your work".



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Dave NE IA

03-03-2006 07:04:41




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 Re: Lining up a tractor flat belt in reply to Dave NE IA, 03-02-2006 19:01:50  
We have duck tape in the center to raise it. The pulley on the brick making machine is not a perfect unit to say the least, but we get by if everything is perfect. We are in NE IA where there are nothing but hill sides for the tractor to sit on. Was going to shoot it with a lazer next year before any old timer gets to see me do that and make crap of me (My theropist said I have low self esteem). Dave NE IA

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Sloroll

03-03-2006 07:22:50




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 Re: Lining up a tractor flat belt in reply to Dave NE IA, 03-03-2006 07:04:41  
Too, You can twist the belt in the oposite direction if it is just slightly running out of true. Good luck. It is always hardest to center a belt when someone is watching. I used to be able to back a lumbering steamer first time every time until there was a croud. Boy it would take five extra minutes for every set of eyes watching me.



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Sloroll

03-03-2006 05:27:37




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 Re: Lining up a tractor flat belt in reply to Dave NE IA, 03-02-2006 19:01:50  
Are the pulleys origional to both implement and power source? Sometimes pulleys can be switched over the course of time. The implement pully should be slightly raised in the center. The raise helps keep the belt centered. A truely flat pully is hard to center correctly and keep pulling under a heavy load.



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Dave NE IA

03-03-2006 07:11:41




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 Re: Lining up a tractor flat belt in reply to Sloroll, 03-03-2006 05:27:37  
This brick making machine was under the fill dirt on a river bottom. A old man said as a kid he could remember part of it sticking out of the ground, but wasn't sure exactly where. A bunch of guys shoved rods down and found it and dug it out / semi restored it. So my guess is it probably is a original pulley. Dave NE IA



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Russel King

03-03-2006 05:12:17




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 Re: Lining up a tractor flat belt in reply to Dave NE IA, 03-02-2006 19:01:50  
I spent 42 years in a paper mill, we had a lot of flat belts , also wires and felts [ which were just like 110 inch wide flat belts] a old timer told me , you guide them just like you did as a kid with a hand sled you want it to go to the right you pull that side towards you [the shafe that pully is on ] if the belt is always comeing off left side that side needs to move farther apart --- Russel

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