Stearing Box Pivot Arm Loose

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Stearing Box Pivot Arm Loose

Postby mountain4don » Thu Sep 12, 2013 8:14 am

On my 1959 International Cub Lo-Boy the steering is getting pretty loose. There is a lot of play where the connecting arm that moves the tie rods attaches to the bottom of the steering gear box. Is this a splined shaft down there and is there any way to tighten this up? I can see a castle nut on the bottom of the vertical shaft coming down out of the gear box and the cotter pin holding this castle nut in place. And I can see this cotter pin moving back and forth as I move the steering wheel back and forth, like there is a lot of slop here? :help:
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Re: Stearing Box Pivot Arm Loose

Postby John *.?-!.* cub owner » Thu Sep 12, 2013 8:24 am

the cast;e nut is supposed to pull the arm up against a bushing to remove up and down play, and there is a bolt above it that goes through the side of the arm to clamp it tightly to the splined shaft.
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Re: Stearing Box Pivot Arm Loose

Postby raystractors » Thu Sep 12, 2013 8:40 am

Here is the parts break down. You can see that there is a bolt on the back side of the arm that will have to be loose before you can tighten up the castle nut.
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Re: Stearing Box Pivot Arm Loose

Postby BIGHOSS » Thu Sep 12, 2013 8:42 am

Like John said, loosen the small clamping bolt above the big castle nut. Then remove the cotter pin, tighten the castle nut as tight as you can. This should create a bind in the steering. Then back off the castle nut one cotter pin hole at a time until the steering turns freely. Replace the cotter pin and re-tighten the small bolt. By the way, you need to have the front end off the ground to do this. Jack stands work nicely.
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Re: Stearing Box Pivot Arm Loose

Postby mountain4don » Thu Sep 12, 2013 8:51 am

BIGHOSS wrote:Like John said, loosen the small clamping bolt above the big castle nut. Then remove the cotter pin, tighten the castle nut as tight as you can. This should create a bind in the steering. Then back off the castle nut one cotter pin hole at a time until the steering turns freely. Replace the cotter pin and re-tighten the small bolt. By the way, you need to have the front end off the ground to do this. Jack stands work nicely.


What is the torque value for the small bolt? And I think I have a set of jack stands that are not already holding up the child's car out in the barn. :lol: And I better get right on this project. Otherwise my wife assigned me to do the wash before she left for work. :{_}:
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Re: Stearing Box Pivot Arm Loose

Postby mountain4don » Thu Sep 12, 2013 8:57 am

I see in the picture that there appears to be a zert fitting in the end of the steering pivot arm. Mine doesn't have one there, so it must be broken off. I am going to see if an easy out will remove the old one. What thread size are these as I will have to go buy one?
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Re: Stearing Box Pivot Arm Loose

Postby BIGHOSS » Thu Sep 12, 2013 8:59 am

I use a redneck torque wrench. Tighten it just until it squeaks and no more. :lol: :lol: :lol: Seriously, just tighten it down pretty good.
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Re: Stearing Box Pivot Arm Loose

Postby Eugene » Thu Sep 12, 2013 9:09 am

mountain4don wrote:I see in the picture that there appears to be a zert fitting in the end of the steering pivot arm. I am going to see if an easy out will remove the old one. What thread size are these as I will have to go buy one?
Try cleaning out the zerk hole first to see if the threads are still there and the zerk not broken off.

My guess is that it's a 1/4" thread, but could be straight or pipe thread. I have a zerk kit with a several different thread pitch/cuts, diameters, and head styles. So far, one of the zerks in the kit fit all my applications/replacements.
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Re: Stearing Box Pivot Arm Loose

Postby Denny Clayton » Thu Sep 12, 2013 9:22 am

I believe that zerk is a drive in type.
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Re: Stearing Box Pivot Arm Loose

Postby Groove Critter » Thu Sep 12, 2013 9:43 am

Don't forget to put your wedges in the front before you jack up the front end.
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Re: Stearing Box Pivot Arm Loose

Postby mountain4don » Thu Sep 12, 2013 11:48 am

Groove Critter wrote:Don't forget to put your wedges in the front before you jack up the front end.
Dave


Wedges? What are the wedges for? Its a Lo-Boy and I put a jack stand on the ends of the axel tube with the tires just an inch off the ground? I cleaned up all the grease off the bottom of the steering gear with a brush and some gas. Then loosened the clamping bolt, which was not real tight at all. Then pulled the cotter pin. And I could turn the big nut with my fingers. It was really loose. And that's when I really ran into trouble. :shock: All this while fooling with this thing I hadn't noticed that it had begun pouring rain outside. And I had hung a bunch of blankets on the line to dry! :cry: I decided it was too late to save them, so I ran in the house to put the other clothes in the dryer instead. After moving them to the dryer in my haste, I discovered they had grease all over them! :roll: :roll:
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Re: Stearing Box Pivot Arm Loose

Postby Don McCombs » Thu Sep 12, 2013 4:05 pm

mountain4don wrote:And that's when I really ran into trouble. :shock: All this while fooling with this thing I hadn't noticed that it had begun pouring rain outside. And I had hung a bunch of blankets on the line to dry! :cry: I decided it was too late to save them, so I ran in the house to put the other clothes in the dryer instead. After moving them to the dryer in my haste, I discovered they had grease all over them! :roll: :roll:

We can't help you with this one. You're on your own. :D
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Re: Stearing Box Pivot Arm Loose

Postby Don McCombs » Thu Sep 12, 2013 6:10 pm

mountain4don wrote:What thread size are these as I will have to go buy one?

1/4-28 taper
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Re: Stearing Box Pivot Arm Loose

Postby mountain4don » Thu Sep 12, 2013 9:17 pm

Thanks to everyone with your help. Especially the pictures of the parts in the steering gear. It was a little awkward getting to the clamp bolt to tighten it, but the big nut turned up several turns to tight. And now the steering is like a new sports car. The tie rod ends are just a little loose, but basically the whole steering is completely rejuvenated and really good. Better than its ever been since I bought it about 30 years ago. My wife will think she is mowing with a new BMW sports car! Thanks again for all of your help. Now, how do I get these grease spots out of these white bras and bikini underwear?
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1954 Farmall Super C W/Fast hitch, belly dozer blade
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Re: Stearing Box Pivot Arm Loose

Postby John *.?-!.* cub owner » Thu Sep 12, 2013 9:21 pm

to tighten the tie rod ends, take the cotter key out and turn the seat in with a screw driver. There are multiple holes to put the key back in.
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