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John Deere Lt 133 Steering Problems

steering

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#1 JD133 OFFLINE  

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Posted September 23, 2012 - 10:13 PM

Last year I replaced the Pinion Steering gear on my LT133 as it was steering poorly and the teeth were badly worn on the gear. Sector Gear teeth appeared okay. After one year of use the steering problems are back and it appears the Pinion gear teeth are again worn down. Is my problem with the Pinion gear or could there be something else wrong? Any insight is greatly appreciated. Thanks.
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#2 JDBrian OFFLINE  

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Posted September 24, 2012 - 05:10 AM

It sounds like there may have been a problem with the gear mesh, a misalignment or not a tight enough mesh. Pretty sad for that to wear out so quickly considering the amount of work involved in doing the repair.
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#3 Trav1s OFFLINE  

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Posted September 24, 2012 - 11:33 AM

Was there a running change during production that might result in slightly different pieces being used on each side of the serial break?
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#4 JD133 OFFLINE  

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Posted September 24, 2012 - 08:39 PM

Thanks for the feedback. After tearing it apart again I believe the 3 bushings for this steering mechanism are shot and causing too much gap between the shaft and gear teeth. I will replace the bearings and teeth, give it another try. I just don't anything else that would be causing this.

#5 lyall ONLINE  

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Posted September 26, 2012 - 09:55 PM

I work at the some place that JD133 works
we have been talking about the steering problem and I had no knowledge about his 133
my are 110 212 and 214 the steering if different
I talked him into jointing this site so that somebody else could help him out
thanks
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#6 KennyP ONLINE  

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Posted September 27, 2012 - 04:42 AM

From what is described thus far, this sounds like the type of steering used in Sears tractors back about 1980. Could we get a pic/parts pic so we know what we are looking at?

#7 Trav1s OFFLINE  

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Posted September 27, 2012 - 07:46 AM

Here is the JD parts diagram:

Posted Image

Edited by Trav1s, September 27, 2012 - 07:47 AM.

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#8 Trav1s OFFLINE  

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Posted September 27, 2012 - 07:55 AM

Serial number info on JDParts shows some running production changes but none that I can tell in the steering related parts. If you can post of the serial number that would be helpful.

Looking at the picture, can you point out the parts you changed by listing the number of those parts? I don't have an LT experience but have a fair amount of mechanical repair experience.

#9 KennyP ONLINE  

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Posted September 27, 2012 - 08:00 AM

Thank you! What holds the bottom of the column so the teeth mesh correctly? Sounds like that may be where it is worn and causing wear to the pinion. Or it could be flex of the sector gear shaft allowing it to move away from the pinion.

#10 Trav1s OFFLINE  

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Posted September 27, 2012 - 08:09 AM

Thank you! What holds the bottom of the column so the teeth mesh correctly? Sounds like that may be where it is worn and causing wear to the pinion. Or it could be flex of the sector gear shaft allowing it to move away from the pinion.


I was thinking that wear at any of the following parts would cause problems with the gears meshing properly:
7 (both places used), 8, or simply wear/distortion in 13 (especially if it is made from light-weight stamped steel.)

Also, if there is wear in any of the guide points for the steering shaft to the main gear it would impact how the gears mesh.

This pic shows the frame design. If there are any bushings in the tower itself, they are also subject to wear but easily overlooked:

Posted Image

Edited by Trav1s, September 27, 2012 - 08:11 AM.

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#11 KennyP ONLINE  

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Posted September 27, 2012 - 09:40 AM

There are lots of options for what is causing this. If the bushings (7 & 8) are plastic, that may have a lot to do with it.
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#12 JD133 OFFLINE  

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Posted October 09, 2012 - 09:54 PM

Thanks for the ideas. From the previous diagram I replaced all bushings 7 and 8 along with 13 (gear teeth). It steers like it's new. The worn bushings provided too much gap between the teeth in the steering gears. Pain getting the gear out with the c clip hidden under the battery compartment. Thanks again!!

#13 Trav1s OFFLINE  

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Posted October 09, 2012 - 09:58 PM

Glad you got it fixed!

#14 lyall ONLINE  

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Posted October 10, 2012 - 07:24 PM

talked to JD133 at work he said it is working great and told me thanks for telling him about this forums
I told him we all know a little and when you get others involved. you will get an answer

Edited by lyall, October 10, 2012 - 09:58 PM.

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