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Kubota B1750 Steering column leak

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halbrown
Join Date: Dec 2008
Posts: 11 Vermont
TractorPoint Premium Member -- 5 Tractors = Very Frequent Poster

2009-03-02          160742


Hey guys,

It must be my winter for seals- I got a bunch of much appreciated help back in december when i had a gear case leak. That's fixed and working well. BUT, now I'm losing fluid out of the top of the steering column. Took the steering wheel off and the dash apart and it looks like there's a seal at the top of the column that's shot. Anyone know how to get the top of the shaft apart to change the seal or bearing? B1750 HSD

Thanks,

Hal

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Kubota B1750 Steering column leak

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Art White
Join Date: Jan 2000
Posts: 6898 Waterville New York
TractorPoint Premium Member -- 5 Tractors = Very Frequent Poster  View my Photos  Pics

2009-03-11          160973



The whole column needs to be removed as the leak is at the base. The main reason that we have found for this is using the steering wheel to help get on the tractor. ....

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____________________________________________________________________________________
Kubota B1750 Steering column leak

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halbrown
Join Date: Dec 2008
Posts: 11 Vermont
TractorPoint Premium Member -- 5 Tractors = Very Frequent Poster

2009-03-14          161054


Thanks Art, I'll tear that apart. A follow up question if you don't mind: Once i get it apart will it be obvious what parts I need to buy? Also, will I be able to put it back together to use temporarily until I actually get the parts?

10 year old twin boys that have liked to sit on the tractor and "steer" for the last few years may be similar to using it as a boarding handle... ....

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Kubota B1750 Steering column leak

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candoarms
Join Date: Mar 2007
Posts: 1932 North Dakota
TractorPoint Premium Member -- 5 Tractors = Very Frequent Poster  View my Photos  Pics

2009-03-14          161055


Halbrown,

There's a steel delivery pipe that comes from the pump on the engine. (right side) Follow it back to the steering valve. You'll have to remove the dash and lower cover to see everything.

The steering valve is bolted to the tractor through the floor. The bolts on the underside of the tractor may be loose. There are four of these bolts.

If the steering valve feels loose........the steering wheel has a lot of side-to-side play, or front-to-back play......then more than likely those base bolts have worked loose.

If you feel a lot of play in the steering column, it has more than likely caused that delivery pipe to work loose, causing the leak. Too much slop will cause the delivery pipe to crack.

Before doing anything else, make sure you get those base bolts tightened up good. Use some good thread locker on them.

Joel ....

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____________________________________________________________________________________
Kubota B1750 Steering column leak

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halbrown
Join Date: Dec 2008
Posts: 11 Vermont
TractorPoint Premium Member -- 5 Tractors = Very Frequent Poster

2009-03-14          161060


Ok. I've got everything apart and removed the bolts holding the "upper" part of the steering column on. But I can't seem to remove the top portion- it'll come up an couple inches but no further. I can't tell what parts need to be replaced either. Thoughts? ....

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Kubota B1750 Steering column leak

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candoarms
Join Date: Mar 2007
Posts: 1932 North Dakota
TractorPoint Premium Member -- 5 Tractors = Very Frequent Poster  View my Photos  Pics

2009-03-14          161061


Halbrown,

The dash panel is a separate item. It is secured by several plastic inserts. You'll need to simply pop the dash out. There's a special tool for that job, but if you're careful, a flat tipped screwdriver will do just fine.

Handle the dash panel carefully. Don't pull it away too far. The RPM gauge has a cable attached to it. It unscrews from the gauge. Also, there's an electrical connector that must be disconnected before you can move the dash very far.

It's not necessary to remove the steering wheel to do this job, but it would certainly help if you did.

The lower cover.....knee cover......is secured with a single screw, located in front of the steering wheel. Once that screw is removed, raise the knee cover up about a 1/2 inch, then pull straight out toward the seat. You'll see that it has four hooks on it. Those hooks hold the cover against the firewall. Raising up on the cover will unhook it.

Now you can move the cover out of the way far enough to complete the job, but you'll be cussing at it, unless you remove the steering wheel.

If you decide to remove the steering wheel, be sure to place a witness mark on the shaft so that you'll be able to replace the steering wheel in exactly the same position it was, before being removed.

Joel ....

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____________________________________________________________________________________
Kubota B1750 Steering column leak

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halbrown
Join Date: Dec 2008
Posts: 11 Vermont
TractorPoint Premium Member -- 5 Tractors = Very Frequent Poster

2009-03-15          161073


I'm way past that. I've got the whole thing disassembled to the point where the column is wide open all the way down to the frame. I even took off the speed set lever and it's whole housing and conecting arms because it was in the way. I've already checked the fluid lines and the mounting bolts. Everything is tight and dry. So I believe it's an internal seal at the base of the steering column where it attaches to the valve- it isn't leaking out there, but the whole housing is probably filling with fluid until it sort of bubbles out the top, just under the steerign wheel. I think i need a parts diagram at this point.

Thanks,
Hal ....

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