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49' 8n 171748 steering

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art ward

05-27-2007 08:05:27

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Hi
My 8n has 9" of total swing of play on the steering wheel. rotating the housings forward don't help. I just started getting a harder feeling turning to the right now. Could it be a dry or worn upper bearing and where can i get one? I notice there are grease fittings to replace the oil fill plug on ebay. If i get one and fill it with moly grease, will that help that upper bearing? I currently have no leaks on the steering box. I just have about 7 hours on the engine rebuild.
Thanks!!!

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arthur ward

05-27-2007 11:19:12

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Re: 49' 8n 171748 steering in reply to art ward, 05-27-2007 08:05:27

Hi
Do I have to jack up the front axle to check to see if the steering column moves up and down in the slack area?

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Dell (WA)

05-27-2007 12:17:00

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Re: 49' 8n 171748 steering in reply to arthur ward, 05-27-2007 11:19:12

Art..... ..it should be intuitively obvious that jacking the front axle/tires off'n the ground just makes it eazier to swing the steering wheel; faster movement is sometimes eazier to visualize..... ..Dell

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arthur ward

05-27-2007 12:33:37

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Re: 49' 8n 171748 steering in reply to Dell (WA), 05-27-2007 12:17:00

Hi
I would assume that i can take the steering tube out by removing the 4 bolts that hold the tube to the gear box, without removing the gear box.
How long of a job?
Thanks guys

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arthur ward

05-27-2007 10:01:22

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Re: 49' 8n 171748 steering in reply to art ward, 05-27-2007 08:05:27

ok, if i jack up the front end then pull up and down on the steering wheel? will that tell me anything? do i have to pull the hood off(gas tank also?)to get the dash pulled back to get the steering box out?
I am lost on how to disassemble to get the bearings replaced.
thanks!!!

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Dell (WA)

05-27-2007 12:30:03

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Re: 49' 8n 171748 steering in reply to arthur ward, 05-27-2007 10:01:22

Art..... ..Yes, you haffta remove yer hood to get the steering box off. It should be intuitively obvious that you should DRAIN yer 10-gal gastank to make it lighter. You don't haffta iff'n yer helper is musclebound. You really want a "helper" to help you remove the hood/gastank. Its NOT HEAVY, just awkward. Me'n'my 9yo son removed my hood once along-timeago.

Recommend you SQUANDER $25 for a FO-4 manual, it will tell you how to service your steering gearbox. It even has pictures for the mechanically challenged that can't read.

FO-4 is readily available from sponsors of this great N-Board; many agricultural emporiums. BordersBooks, Amazon.com, www.n-news.com also has great archive of equipment manuals. Would you believe yer local CNH (ex-Ford) dealer sells it? Even my local (byte my tongue) John Deere dealer's parts counter has it for sale. Isn't that amazing? Gitt'cha one and READ-ITT..... ..respectfully, Dell

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Dell (WA)

05-27-2007 08:48:02

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Re: 49' 8n 171748 steering in reply to art ward, 05-27-2007 08:05:27

Art..... .yeah, yer EARLY 8N steering gearbox has probably "trashed" yer upper steering gear BEARING. 9" of slopp preety much supports that diagnostics. As as double check, jack-up yer front-end off'n the ground and swing yer steering wheel back'n'forth. WATCH yer steering wheel HUB for uppsie'n'downsie's.

tip: don't let yer steering-nutt loose their little ballsie's.

p/n: 8N-3571, bearing, steering gear worm thrust roller. ($16, cheap) p/n: 8N-3552, cup, steering gear worm thrust bearing. ($8, cheap)

Usually, you don't haffta replace the bearing race (cup).

Unlike the later 8N's secret fill'em-up, the early 8N steering gearbox fill'em-up is 1/4" pipe plug on the rightside of the box.

We recommend the sticky cornhead greese from (byte my tongue) yer local John Deere dealer instead of molly greese. Comes in greese-gun tubes. You need 2-tubes. ($5,cheap)..... ..Dell

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Jack-Illinois

05-27-2007 08:47:24

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Re: 49' 8n 171748 steering in reply to art ward, 05-27-2007 08:05:27

Sounds like a take it apart and have a look. Bearings are available at your local NH dealeer. If your steering shaft moves up and down as you turn the wheel in this slack area, it is a sure sign a bearing or both bearings are shot, especially with your 9" of slack.

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arthur ward

05-27-2007 13:52:24

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Re: 49' 8n 171748 steering in reply to Jack-Illinois, 05-27-2007 08:47:24

Hi guys
Ok, i jacked up the front end off the ground. there is no difference in the slop while turning the wheel left or right.
Also, there is NO up and down movement on the wheel during any part of the rotation of the steering wheel.
I wonder why they say you can tighten the steering housings to remove backlash. I pulled the pitman arm right out on the right side and turned the housing repeatedly. It seems there is no way that it can tighten anything because it is just a "guide" for the pitman arms to rotate it. I truley believe there is no possible way that either housing can tighten the steering.
I wonder if that nut that holds the pitman arm on would tighten anything up. It seems to me that that would just put more pressure on the housing making it harder to turn.
again, there is no play up and down on the shaft with the front end jacked up and turning the steering wheel left or right.
Any thoughts?
Thanks

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arthur ward

05-27-2007 15:11:35

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Re: 49' 8n 171748 steering in reply to arthur ward, 05-27-2007 13:52:24

Ok, i pulled the left pitman arm out. I found schrapnel(two pieces)wedged in between the gears.
After removing and putting the damn thing back together(still jacked up), the wheel barely moves to the right(hard). I will be pulling the thing apart and putting new bearings in. Upon further review, the wheel does rise when turning to the right so you guys were right on the bearings I guess. what about shims? should i order and how does that work?
thanks

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arthur ward

05-27-2007 16:54:11

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Re: 49' 8n 171748 steering in reply to arthur ward, 05-27-2007 15:11:35

Pulled the hood, battery box, etc. etc.
Now, I have to pull that dash panel up and back.
Gotta figure out that choke bar.
If I pull the four bolts on top of the steering box, then the steering tube comes out, I guess.
But how far without dropping the ball bearings, etc.???

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duey

05-27-2007 16:49:13

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Re: 49' 8n 171748 steering in reply to arthur ward, 05-27-2007 15:11:35

Art, spend a couple bucks and get a manual... or two. Lots of information there... even some pictures... This web host sells them, look under MARKETPLACE and see the next line down. I hear they have good service here, too.

duey

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