On tractors the steering box set level thus 90 wt oil was used originally. Later on it was changed to 140 wt gear oil because the 90 wt wounden't stay in. 140 wt doesn't stay in all that well either. When used on automobiles the steering box was most alway's mounted at an angle. That pretty much ruled out oil. 00 grease was used instead. Used to come in 5 gal buckets and was greased via the grease zerk every time you greased all the other zerks on the car. That grease wasn't used in any other fitting around here.
What you will find if you use regular grease is after you turn the wheel back and forth a few times the grease is pushed to the ends where it builds up and stay's. The pin will then be dry where it rides in the worm making steering difficult and will destroy the pin and worm pretty quick when used. I rebuilt one and destroyed it in one summer on my tractor doing just that. 00 grease cartridges are available at John Deere and New Holland dealers - (cornhead grease). I'm sure you could find it at other places as well. That grease is thinner and stay's pliable so everything inside stays slick.
I set the pin by turning the wheel all the way left of right and screwing it in all the way with a small screwdriver and then back it off just a hair and lock it down. Pretty much the same as wheel bearings. Raise the front end and turn the wheel with one finger thruought it's travel. If it's too tight back it out a hair more and if it's too slack in a tad.
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Today's Featured Article - 12-Volt Conversions for 4-Cylinder Ford 2000 & 4000 Tractors - by Tommy Duvall. After two summers of having to park my old 1964 model 4000 gas 4 cyl. on a hill just in case the 6 volt system, for whatever reason, would not crank her, I decided to try the 12 volt conversion. After some research of convert or not, I decided to go ahead, the main reason being that this tractor was a working tractor, not a show tractor (yet). I did keep everything I replaced for the day I do want to restore her to showroom condition.
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