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Order Ford 4000 Parts Online

Re: Just purchased 1962 4000 with SOS problems

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Larry NCKS

02-16-2014 13:41:34

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Get a proper shop manual, read and thoroughly understand what you need to know before trying anything. Working on this unit without knowing precisely how to do what you are attempting to do will cause more problems than it cures.

1. If you're certain that the SOS is dumping oil to the hydraulics, drain the hydraulics down to at least normal. Get a mirror and a flashlight. If you can't see the leak with these through the hydraulic fill plug and the engine running, you'll need to remove the round inspection cover on the side and try it there. The only leak that can be repaired without a rear split, is the transmission pressure switch provided your tractor is so equipped. If it's a seal, you'll have to split it.

2. As to your stalling issue, my guess, from afar mind you, is that you'll need to pull the top cover in order to access the control valve. You'll likely need to clean the sticky valves and make them slide or replace the control valve assembly. Do not do any of this without understanding the procedure and following it to a T!

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Jason in michigan

02-20-2014 08:28:05

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 Re: Just purchased 1962 4000 with SOS problems in reply to Larry NCKS, 02-16-2014 13:41:34  
I found my trans. output seal is leaking into the hydraulics but also when I fix that it looks like the pto shaft may also have a seal is that correct?
I couldn't find any break down showing that pto seal or number. I did remove the top trans. cover and followed the instructions in the manual to access the control valve but found everything working very good and nothing sticking on the control valve. So I guess I will look deeper into that problem soon also. I did notice band 3 has some rust on it and that was the band that made the engine labor when I adjusted it, could there be an issue there with that or a clutch?

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Jason in michigan

02-16-2014 14:04:41

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 Re: Just purchased 1962 4000 with SOS problems in reply to Larry NCKS, 02-16-2014 13:41:34  
Also when it was laboring and stalling in reverse it seemed as if the left wheel wanted to spin and the right one was not moving. If that makes any sense.

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02-16-2014 14:24:16

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 Re: Just purchased 1962 4000 with SOS problems in reply to Jason in michigan, 02-16-2014 14:04:41  
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