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Farmall & IHC Tractors Discussion Forum
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front main seal question

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bob s

03-11-2004 17:53:00




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is it possiable to remove and install front main engine seal on Farmall A just by removing rad and grill? can crank pully clear ?or do i need to remove more? all ideas appreciated




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BIG JOHN

03-12-2004 18:28:28




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 Re: front main seal question in reply to bob s, 03-11-2004 17:53:00  
Bob: The front end has to come off in order to get the crankshaft pully off. First remove the raditor then the lower water inlet pipe has to come off and then the front end will come right off. Remove the fan and then you are ready to pull the pully. You will need a split bearing puller in order to pull the pully without breaking it.

GOOD LUCK



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greensboro george

03-12-2004 08:33:46




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 Re: front main seal question in reply to bob s, 03-11-2004 17:53:00  
Bob s.
I am doing this job on a 41 A. The steering box Gene b mentioned is attached to the front end and comes off with it when you roll the front end forward.
I think it is easier to take off the fan and the combination bracket/inlet (3 bolts to the front of the motor) than it is to take the fan assembly off by itself. Once the whole front end is pulled or rolled forward you have to pull fan pulley off the crankshaft (see archives for techniques and equipment used). Mine was loose and slid right off. Take off the cover plate, clean it. Carefully pull the old oil seal out from the inside. The pulley shaft is probably scored or grooved (wear from the old dirty oil seal) or it may have previously had a sleeve put on it to cover that groove. Mine was sleeved and the oil seal from IH is too small inside diameter to fit it. I got another one from Carquest (# 5121 $2.85- it's a little larger inside and the same diameter outside. I have polished the wear groove on the pulley sleeve. Grease inside the oil seal so the pulley slides on easy. I may have to trim the rubber dust flange on the front of the new oil seal but it won't hurt anything to do that. Also check the woodruff key for wear. It is 1/4" x 3/4". Good luck. greensboro george

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42FarmallH

03-11-2004 18:52:25




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 Re: front main seal question in reply to bob s, 03-11-2004 17:53:00  
I just did this last weekend on an A. I took the front end off, 4 bolts plus the bolt that holds the steering shaft up by the seat. It wasn't too tough. In looking at it you MIGHT be able to get the timing cover off without removing the front end.

Either way, the timing cover has to come off because the seal is pushed into the cover from the inside...



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gene b

03-11-2004 17:59:24




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 Re: front main seal question in reply to bob s, 03-11-2004 17:53:00  
No the steering housing has to come off also.



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