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Harry Ferguson Tractors Discussion Forum
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KING PIN OR BUSHING?

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FERGY

04-30-2004 05:09:14




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THANKS FOR THE HELP ON THE 12 VOLT WIRING . MY LEFT FRONT TIRE IS ABOUT 1"AWAY FROM THETOP OF THE AXEL MY RIGHT SIDE IS ABOUT 2.5 INCHES. IS IT THE BUSHINGS ,BEARING AT THE BOTTOM OR A BENT SPINDLE? ALSO ARE THE TIE ROD ENDS NEAR THE STEERING BOX A TAPERED FIT? THANKS FOR ANY ADVICE




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Thomas

04-30-2004 14:39:53




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 Re: KING PIN OR BUSHING? in reply to FERGY, 04-30-2004 05:09:14  
The spindles and bushes both wear. You can buy a service kit containing bushes, thrust washers and dust seals. It is not necessary to replace the spindle, just weld it up and turn down to size(assuming you can get access to a lathe). The bushes are a pig to shift, I've never been succesful doing it as James suggests and always end up burning them out with the gas axe. Allow to cool fully, fit the new bearings and ream to 1 1/4". Don't attempt it if you don't have a reamer as it won't go back together. Also replace the thrust bearing at the bottom of the king pin. Sometimes when these collapse and fall out it is easy to forget to remove the outer casing from the bearing, sometimes this also needs burning out. It is very dificult to fit a new bearing into the case of an old one! Take the axle end off and always burn out from above in the vice. Many a burn from that boiling grease running our onto my hands has taught me that!

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TO35

04-30-2004 08:24:35




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 Re: KING PIN OR BUSHING? in reply to FERGY, 04-30-2004 05:09:14  
Yes the rear drag links are tappered into the arm.
On the front end first jack it up and grab the top and bottom of the tire and rock it back and forth and up and down and look for the movement at king pins or wheel bearings , you should be able to feel and see it as it moves and pin point it that way....


best wishes
TO



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James, UK

04-30-2004 09:45:20




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 Re: Re: KING PIN OR BUSHING? in reply to TO35, 04-30-2004 08:24:35  
Like TO35 says rocking it will help ID where the problem is - replace not only the kingpins but also the hardened steel bushings in the axle as they will also be in need of replacement.
Removing the bushings is fairly easy - use a hacksaw down the line of the king pin to cut through the lower bushing and then drift out the left overs, and for the upper bushing use a cold steel chisel to split the bush before prying it out (the bushes are not thick - only a millimetre or so, so getting a purchase on them with a drift is tricky).

At least, that worked for me after trying to be Oh So Careful for several hours and use nothing but a drift (sometimes being kind to these old tractors does not work and you have to be meaner than you would otherwise like).

HTH

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