Ross Steering gear box, Allis C

Buddy Terry · Nov 30, 2018

Can any of you guy's enlighten me on the proper way of adjusting the steering, I have tried to adjust it with the wheels in the straight position, still have a round and half free play, then when I tighten up the adjustment screw, steering starts binding up. Have tried, adjusting with the wheels turned all the way in either position, still have free play. I'm stumped at this point. Any information, will be greatly appreciated. Thanks

Aaron SEIA · Nov 30, 2018

I would bet the worm gears are so worn in the small range of centered that they can't be adjusted any better.
AaronSEIA

RalphWD45 · Dec 1, 2018

Buddy! I believe, that Aron is correct, about the wear! I had that problem also, along with bad bearings. I got a steering gear box from a tractor wrecking yard, and it wasn't much better. I took my two bad boxes to a really good machinist, and he made a new worm, and follower, which has worked flawlessly, and my corn planter rows, are finally straight. That work was very expensive, and I wouldn't do it now days. Just for grins, why don't you give Sandy Lake implement a call at 724-376-2489, and see if they do rebuilds on gear boxes? I know that they have rebuilt my Allis B hydraulic pump, and it was reasonable priced.

Buddy Terry · Dec 1, 2018

I have rebuilt the gear box, I'm like you Ralph, I took two and built one. I was able to get all of the parts that I needed to rebuild it from Sandy Lake. Brenda in the parts department is a charm to deal with. She went beyond her job, to find me the bearings. She found the upper and lower bearings as a set, instead of the single balls. I did keep adjusting on it yesterday, until I finally got it, to where I can drive it, without looking like some drunk, going down the road. LOL Thanks everyone for the information.

steve(ill) · Dec 1, 2018

either the bearings on the end of the steering wheel shaft are loose and the shaft is moving up and down, or the slop is between the gears. Depending on what gear box you have, either there is a jack screw on the outer case that pushes on the end of the cross shaft, or there is a cam bolt in the cover plate and you can move the cover up and down to get the cross shaft closer to the gear to eliminate clearance.... Normally you point the tires straight forward and adjust the backlash in the gears. Then test by rotating to full left and full right positions and make sure you have no binding... If you can move the steering wheel a full turn, something DRASTIC is wrong.. You should have maybe 1/8 revolution clearance with new bearings and gears.

Ted in NE-OH · Dec 5, 2018

Inspect the follower pin that rides in the worm gear , if it is worn a machinist can repair or purchase one from Sandy Lake. Another adjustment is the endplay adjustment of the steering shaft. If you can pull the steering wheel wheel toward you there may be too much endplay. End play is adjusted by adding or removing shims that are between the collar and the gearbox.

Ross Steering gear box, Allis C

Buddy Terry

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Aaron SEIA

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RalphWD45

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Buddy Terry

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steve(ill)

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Ted in NE-OH

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