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Farmall & IHC Tractors Discussion Forum
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424 differential lock

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Dave in Souther

06-08-2007 12:51:28




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I am trying to remove the right side pinion bearing cage and cannot get it to slide off of the brake shaft. The I & T manual shows a retainer but I cannot figure out how to get to it to remove it. The diffential shaft sticks out of the brake shaft and has a rounded end that is encircled by another sleeve all of this fits inside the brake shaft. How do I get this apart?
Thanks for any help.




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Dave in Southern Illinois

06-09-2007 06:48:32




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 Re: 424 differential lock in reply to Dave in Southern Illinois, 06-08-2007 12:51:28  
Thanks for the reply. I finally got it apart last night. All for naught. The right hand bearing cage had been broken and welded so I can't pull the pinion shaft out to replace the oil seal. I hope I didn't mess the seal up too bad trying to take it apart. The left seal was leaking so I was going to change both of them while I had it all apart but I can't so we will see what happens. Thanks again for the replies. This is a great forum for getting an education on tractors. Dave

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MJ in the UK

06-09-2007 02:53:02




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 Re: 424 differential lock in reply to Dave in Southern Illinois, 06-08-2007 12:51:28  
Hi Dave, push the retainer in towards the against the spring pressure and you will expose a very thin snap ring. Remove the ring being very carefull not to loose it. The retainer has sealing o rings on the outside and the inside. Did one last week, good luck MJ



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Rex in Australia

06-08-2007 14:58:22




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 Re: 424 differential lock in reply to Dave in Southern Illinois, 06-08-2007 12:51:28  
Dave, I just went through a similar situation with my 434. Was doing the brakes and thought i would replace the oil seals. The pinion shaft carrier will not come out due to the large bull gear inside protruding up through a gap in the carrier. Have a look at the parts manual on line at Caseih.com and you will see what I mean.
I ended up leaving mine as to get it off I believe you will have to remove the hydraulics off the top and get through to remove the bull gears. I couldn't do mine due to not being able to lift off the hydraulics.
I think i am right, maybe someone else can chip in.
God Bless,
Rex

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Dave in Southern Illinois

06-08-2007 15:07:44




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 Re: 424 differential lock in reply to Rex in Australia, 06-08-2007 14:58:22  
I have everything off and out of the rear case except the differential itself. The bearing cages pull out after the bull gears are out of the case. The left side was easy but I cannot get the right side out. I don't understand how the retainer that holds the diferential lock shaft inside the pinion shaft is removed so the bearing cage will slide all of the way out. Thanks for the reply. I will work on it some more tonight.

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