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IH Super A steering play advice needed please.

T

tractorfacter

New User
I own a IH SA and use it to cultivate with. Life would be alot easier if I could get the play out of the steering gears. Is there a way to do this with shims or something? Or is the only cure to replace both gears? Thankyou in advance for any help on this.
 
i would think that the worm and sector shaft bushings are worn, thus creating more clearance than nesessary between the worm and sector and this also may have put more wear in them so that they might need to be replaced also.
regardless it requires dissasembly to find what all is required.
 
I overhauled the one on my A this spring. It made a big difference. Because I was taking the engine off, I took the bolster right off the tractor and overhauled it before I even started on the engine. There are two shafts, each has one bushing, one bearing, and one seal. Play can also be from the pitman arm connection. In my case each bushing and bearing had a little play that added up to alot. To do the job on the tractor, make a splitting stand for safety. Disconnect the tie rods, drive the pin that holds the front axel out, and drop the axel. Take the big pipe plug out of the front of the bolster, after you take the steering wheel off, the (steering)worm shaft will wind right out the front. There will be a bearing on the shaft and a bushing and seal in the bolster.
Then look under the bolster there are bolts there to come out. Same thing with the sector shaft, bearing bushing, and seal. Might as well put in a new gasket, too. I'd bet your gears are good enough, and if your pitman are is tight, its the bushings and bearings. My local Case IH shop had all the parts on hand.
Charlie
 
I have rebuilt several in fact one was brought here today. Like the other post says there are bushings,bearings and two seals replace all the worn parts. I havent seen a bad gear and worm yet.
 
(quoted from post at 14:38:11 07/07/11) i would think that the worm and sector shaft bushings are worn, thus creating more clearance than nesessary between the worm and sector and this also may have put more wear in them so that they might need to be replaced also.
regardless it requires dissase
Hey thanks so much. I did not know about the bushings I have not got it apart yet as my pit. arm is put on the sector shaft w/ a 1=5/8 castle nut and I'm working at getting a wrench at this time. My man. sais it is supposed to be clamped on...Not so You know those I&T mannuals.
Click to expand...
 
Thanks very much Charlie. I'm gonne try that. I'm not pulling the eng. I have to get an 1&5/8" wrench to get the pit.arm off and I should be home free.
 
SA used the nut and the shaft is tapered. Earlier oned used the square out-put shaft. Check your steering shaft for end play cause if the bearing on the end of the worm has play it will give steering wheel plenty of free travel. You can tell if its worn when you turn the wheel see if the steering shaft has end play. There is also a bearing in the sector and some bushings also look for play if the woodruff key is loose on the gear. The worm and gear usually arent bad.
 
I fixed mine and it had the square verticle shaft. Had been run loose and wore the arm. I fixed it by getting some starter shims, and placing 2 of them (1 each) at 90 degree locations in the square in the arm. took up all the slack, and it still nicely tight 3 years later.
 
(quoted from post at 02:06:51 07/09/11) I fixed mine and it had the square verticle shaft. Had been run loose and wore the arm. I fixed it by getting some starter shims, and placing 2 of them (1 each) at 90 degree locations in the square in the arm. took up all the slack, and it still nicely tight 3 years later.
Click to expand...
Thx so much to all for the help on this. I finally got the whole thing apart and it appears the sect. brg. is the big culprit. Some one said earlyer that "the top of the gearbox has a pipe plug and a grease zerk because the the top(sector bbrg. has no way to get lubrication. For whatever reason, IH inspecter oversight or whatever,there is NO grease fitting on top that gearbox. As a result,that upper brg. is a rusty mess with lots of extra play. The sector bushing looked worn a bit too. to be on the safe side I'm changing both of the brg.,seals,and bushings. MUCH THANKS AGAIN TO ALL FOR THE ADVISE.
 
(quoted from post at 11:55:46 07/09/11) Some one said earlyer that "the top of the gearbox has a pipe plug and a grease zerk because the the top(sector bbrg. has no way to get lubrication. For whatever reason, IH inspecter oversight or whatever,there is NO grease fitting on top that gearbox.
Click to expand...
There was no grease zerk from the factory. The gear case was filled with 90 weight gear oil. Once they leak oil, a lot of people fill with grease, after which no lube gets to the upper bearing.
 
Are you telling me the unit is to be filled clear to the top? As about 1/2 way up there is anther pipe plug I'm told is to check or maintain the proper gearlube level? I have maintained this level as the seal have been leeking for some time and that top brg. was not getting lube????????
 
Thx Jim thats what in thought. This tractor has sent more of it's life sitting that being used so,I'm guessing,w/o oil getting splashed up there to that brg. for long peiods of time,condensation, then rust.
 
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