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Need help with 72 ford 2000 tractor

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bro.greg
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Posts: 1
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2003-09-12          63742



I have a 72 ford 2000 tractor with a 3 cylinder diesel. I have had this tractor for a little over 6 years and it has been a good little tractor for bush hogging. It doesn't have power steering. Anyways It keeps eating up steering bearings. I have put at least 7 sets of bearings in it. I have replaced the steering shaft (that the steering wheel goes on) and it still breaks the bearings. The bearings will last about 6 months before breaking. Any ideas what I can do to stop this from happing? other than buy a new tractor. Don't have 30k right now.
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Blessings,
Bro.Greg White
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____________________________________________________________________________________
Need help with 72 ford 2000 tractor

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Art White
Join Date: Jan 2000
Posts: 6898 Waterville New York
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2003-09-13          63751


Greg, I have not heard of any problems like what you have described with these tractors. Can you tell me a little more as to exactly what the failure is? Is it the mounting of the bearing or the bearing? What kind of tires do you have on the front? Is it hard to steer? I do consider this far to frequent a repair and there must be something causeing it. ....

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____________________________________________________________________________________
Need help with 72 ford 2000 tractor

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Peters
Join Date: Feb 2002
Posts: 3034 Northern AL
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2003-09-13          63765


This is definately not the norm for this series of tractor. The bushings and bearing where on some of the larger tractors to provide play in the wheel but I know of nothing on the smaller tractors. Can you see anything out of alignment? ....

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Need help with 72 ford 2000 tractor

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DRankin
Join Date: Jan 2000
Posts: 5113 Northern Nevada
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2003-09-13          63768


Are you running anything heavy on the front end? FEL? Wheel weights?

When you replace the bearings, what method do you use to pack grease in the bearings? Is the grease up to spec? Do the bearing race's fit tightly in the hubs?
....

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Need help with 72 ford 2000 tractor

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kwschumm
Join Date: Feb 2003
Posts: 5764 NW Oregon
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2003-09-13          63769


It would be interesting to know what the failure mode of the bearing is. Does it just fall apart? Does the inner race break? Are the balls flat-spotted, spalled, or scratched up in any noticable way? Are the balls or races blue in color signifying overheating? If they overheat they soften up and will die quickly. Here are some other ideas.

- Was the correct bearing installed? Just because it fits doesn't mean it will carry the rated load.
- Was it packed properly with the correct grease?
- Was the outer race pressed/retained properly? If it spins it will cause trouble.
- Was the bearing pre-load correct? Too tight, too loose?
- Was the seal intact and properly installed?
- Was the sealing surface on the shaft smooth and undamaged?
- Was the bearing aligned properly with the shaft? The shaft must be coaxial with the outer bearing race.
- Was an excessive load being carried by the bearing?
- Was the bearing exposed to water or dusty conditions with an inadequate or defective seal?
....

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Need help with 72 ford 2000 tractor

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Chief
Join Date: Jul 2003
Posts: 4294 Southwest MiddleTennessee
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2003-09-13          63777


Greg, maybe I misunderstood but are you talking about wheel bearings or steering shaft/steering box/tie rod bearings? Can you give us more info. on how the tractor is used and exactly which bearing(s) are failing, and how exactly they are failing? Some symptomology would be very helpful as well. (i.e. exactly what sympotoms brought your attention to the failure and leading up to the failures) ....

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Need help with 72 ford 2000 tractor

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oldrental
Join Date: Sep 2003
Posts: 13 Alaska
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2003-09-14          63797


You should go to your NH dealer and ask him to check with "Assist". Assist is a computer link to a NH factory tech. They are pretty good and should be of help ....

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Need help with 72 ford 2000 tractor

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TomG
Join Date: Feb 2002
Posts: 5406 Upper Ottawa Valley
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2003-09-14          63812


I interpreted the description as meaning bearings that support the shaft inside the column. Usually there's one at the top of the shaft and another below the ball nut. I think everybody is saying that a repair manual or tech advice from NH is needed. There may be specific procedures such as bearing and shaft pre-loads to set or shims to set clearances. A parts manual would indicate if there are any parts missing or misassembled.

In general, it sounds like either bearings that are too tight or something bent or out of alignment. If it's bearings inside the column, I'd check the alignment of the column and that it is properly seated in the sector cover or how ever it mounts. I'd also check the torque of all mounts and the steering wheel nut. I think it'd be pretty easy to get the bearings too tight if repair procedures aren't known. There's an outside chance that something like steering locks that are set to allow excessive turning could place abnormal loads on the steering. ....

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