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Installing a King Pin Grease fitting????

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Crockett

03-27-2003 06:24:52




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Anyone ever install a grease fitting to service the king pin on a 8N? Just went through the archives but saw no info on this. I am in the process of replacing the king pin (which was badly grooved) and bushing on my 48N. Seems like being able to lubricate it might be a good idea. I would appreciate hearing pros, cons, and or how to do it. Thanks in advance.




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Tom-Pa

03-28-2003 15:51:41




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 Re: Installing a King Pin Grease fitting???? in reply to Crockett, 03-27-2003 06:24:52  
The N-series tractors was designed with out a grease fitting for the center pivot of the front
axle. That is why they designed it with a removable bushing.. when it wears replace it. It is open to the dirt as mentioned which acts as a grinding compound...No sense in having something to hold it there. I find it easier to keep an Eye on it and replace when needed. Lasted 15 years for me..and then still did not wear thru..just ovaled it a bit.
So, Your call..
The outer spindles are fairly sealed and have a grease fitting on the rear. The 39 N had the fitting on the front, but, would break off.
Enjoy your "N"

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Mountainman

03-27-2003 09:58:05




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 Re: Installing a King Pin Grease fitting???? in reply to Crockett, 03-27-2003 06:24:52  
If you are talking about the center axle pivot then it should not have grease.
If you are talking about the king pins which are at the outer ends of the front axle, the tractor has grease fittings and if yours are missing then I would replace them.

hth

Mountainman...CA



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rbinms33

03-27-2003 06:46:44




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 Re: Installing a King Pin Grease fitting???? in reply to Crockett, 03-27-2003 06:24:52  
This was discussed a while back. The thought at that time was that greasing this bushing would make it a "magnet" for dirt, dust and grit and just wear the bushing out even faster.

Richie



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TimK

03-27-2003 07:49:10




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 Re: Re: Installing a King Pin Grease fitting???? in reply to rbinms33, 03-27-2003 06:46:44  
As a general rule, you never ever grease anything that is exposed to the elements. If you do, you quickly find yourself with a grease/grinding compound which will make short work of whatever it is stuck to.



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markct

03-27-2003 09:23:22




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 Re: Re: Re: Installing a King Pin Grease fitting???? in reply to TimK, 03-27-2003 07:49:10  
i gota disagree with that general statement of things that are exposed to the elements shouldnt be greased. alot of things exposed to the elements should be greased or else pretty soon they wont turn or move at all. it depends on the aplication tho, like on many front end loaders and backhoes there are grease fittings on all the joints except the ones on the pins that attach the bucket,since these pins are in a place that would be exposed to alot of dirt and it would create a grinding type compound like you said.

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souNdguy

03-27-2003 11:15:38




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 Re: Re: Re: Re: Installing a King Pin Grease fitting???? in reply to markct, 03-27-2003 09:23:22  
I think you guys are really.. "agreeing in different ways".

Both agree that grease plus dirt don't work well.. as it makes a great grinding compound.

As for lubricating parts exposed to the elements... there is some limited applications that I can think of.. such as chains and sprockets.. and for that fact.. chevron makes a specific type of very stiff spray application 'open gear' lube.

But this is not similar to the pin / bushing issue.. etc.

Soundguy

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markct

03-27-2003 19:39:24




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 Re: Re: Re: Re: Re: Installing a King Pin Grease fitting???? in reply to souNdguy, 03-27-2003 11:15:38  
i can think of many "pin/bushing" applications that are exposed to the elements but if not greased would cause a great deal of trouble,ask anyone that has ever tried to unsiezed a haywagon front steering spindle that hadnt been greased and was left outside for a while,they will rust up solid. also pto shafts slide in and out and they are always greased,looks like a bushing type application to me. the swivel on the rear wheel of my bushog has a grease fitting on it as well as the hub of the swivel wheel and they run right down near all sorts of dirt and dust. so i dont think that there is any set way of saying what needs grease and what doesnt, ya gota remember that when you pump new grease into a joint you push out the old dirty contaminated grease so if ya grease your stuff like ya should it will be fine to have a grease fitting on almost anything,but if your just gona slop some grease on it and forget about it then dont put any grease on it, and yes i agree that any chain drive should be lubricated

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souNdguy

03-27-2003 21:46:37




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 Re: Re: Re: Re: Re: Re: Installing a King Pin Grease fitting???? in reply to markct, 03-27-2003 19:39:24  
I agree. And many of the pin bushing setups that require lube also have a grease / dust seal.. even if only felt. Much of our heavy earth moving equipment is this way.. Even the bronze bushings have grease channels in them. I would especially think that steel to steel contact areas would need a lube fitting.

Soundguy



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