1755 Darty/Lagging Steering

jmandrze · Nov 6, 2018

1755 has had lagey/darty steering since I bought it 2 years ago, I thought the system had air in it from some leaking lines. I finally replaced all the line and after filling up the system and doing figure 8's for awhile the issue remains. 6th over is the worst, down the road the tractor will drift and when I correct with the steering wheel it takes a few seconds for the tractor to respond. Also in 1 under I can see the tie rod linkage move if I run over rough ground but no feedback in the steering wheel. It appears the steering was upgraded to a Char-Lynn at one point. So my question now is it the orbital steering motor or the steering box? How would I determine which is acting up?

Jason

el6147 · Nov 6, 2018

replace the orbital steering motor.

jmcarlic · Nov 6, 2018

Splines on the pitman shaft and/or pitman arm could be getting sloppy.

rrlund · Nov 7, 2018

My 1850 was doing that when I started picking corn. The bolt that holds the center steering arm to the shaft was bent and worn. I had quite a time driving it out because of the bend. It's possible too that the bolt that holds the pinion gear on the shaft in the steering cylinder is loose. That gear and shaft are tapered and if the bolt is loose,it could be possible that the gear is pushing up and causing some play.

jmandrze · Nov 7, 2018

My plan was/is to strip it down and pull the radiator (need to clean it and new fluid) and see what I can find. If all checks out is there a place to buy just the Char-lynn orbital motor? What about the steering gear, I know there are lots of places that sell rebuilt units, any good places to get them rebuilt? I am in St. Clair County, Michigan if that helps. I am several weeks out from stripping it down, have 1 other project to get buttoned up before starting on this one. Just like to have everything lined up before I start.

Jason

rrlund · Nov 8, 2018

I had one of those forehead slapping moments while I was grinding feed. You said 1755. I think on those,instead of having a bolt through the center steering arm,the shaft and arm are tapered and there's a big not on the bottom end of the shaft. Before you start tearing things apart and thinking you have a big job on your hands,tighten that nut and pull the shaft down tight in to the arm.

1755 Darty/Lagging Steering

jmandrze

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el6147

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jmcarlic

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rrlund

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jmandrze

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rrlund

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