Oliver 1600 backhoe steering

ludolph3 · Apr 29, 2016

Hi,
Does anyone know how to adjust the steering freely on an Oliver 1600 backhoe/loader? It has the hydraulic power steering (integral to the overall hydraulic system. When the front wheels are off the ground, I can move them 3" either way without the steering wheel turning. I can see the steering arm moving with the tie rods, but there seems to be too much play between the steering arm and the steering wheel. The steering wheel is connected to a hydraulic valve body which must allow hydraulic fluid to flow to some sort of piston which actuates the steering arm. That is the part I can't really see.
It's hard to maneuver the machine with that much slack in the steering.
Thanks for any help

J. Schwiebert · Apr 30, 2016

Check to make sure the bolt holding the steering arm out of the steering cylinder is tight. Make sure your tie rod ends are good and then check to make sure the bolt inside the steering cylinder is tight.

ludolph3 · Apr 30, 2016

Thanks, I'll check that bolt

ludolph3 · Apr 30, 2016

I couldn't figure out how to get to the bolt inside the cylinder. I removed (2) 9/16" bolts from flange on top. Flange will turn but I can't get it off. I figured maybe the bolt was in there. That cylinder is in a tough place to get to - behind the hydraulic pump, under the radiator, up above the front axle

rrlund · Apr 30, 2016

There's an o-ring on that cap that you took the bolts out of. Stick a screwdriver under each side and work it up. There's a cap inside the gear that's the same way. There's a notch around the top of it. Work that out with two screwdrivers too. The bolt is under that cap. The gear and shaft are a tapered spline,so if the bolt is loose,it could work up and cause some slop in the steering.

ludolph3 · Apr 30, 2016

(reply to post at 15:55:50 04/30/16)

Thanks for that. Do you think I should remove the cylinder assembly from the tractor to work on it or try to do it in place?

rrlund · May 1, 2016

Do it in place. You'd have to take everything apart and remove that bolt to get the cylinder out anyway. Kinda pointless to take the bolt out to see if it's loose. Check that bolt through the steering arm under the cylinder too like JS said. You'll have to turn the wheels all the way to the left or right to get to it. It's in the front of the arm.

ludolph3 · May 1, 2016

Good point, Thanks.

ludolph3 · May 1, 2016

I tightened both bolts holding the steering arm to the cylinder output shaft. Also tightened a large bolt holding the cylinder to the frame. I adjusted the front wheel bearings which were very loose. The tractor steers 100 % better with almost no play in the steering. Thanks to JS and RR for your help.
I really appreciate it!

Oliver 1600 backhoe steering

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J. Schwiebert

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rrlund

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