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Ford Tractors Discussion Forum
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Re: Seal blowby update

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Dean

01-27-2013 14:06:28
67.172.15.77



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The hydraulic lift cover needs no vent as there are several passages through which pressure can equalize. Perhaps you can simply leave the fill plug a bit loose?

If there is no vent in your blank cover, you need to create one to allow pressures to equalize.

Yes, oil can/will migrate from sump to sump past worn seals by gravity.

Dean




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Oaf

01-27-2013 15:01:47
108.210.163.119



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 Re: Seal blowby update in reply to Dean, 01-27-2013 14:06:28  
Thanks much, Dean. I"ll try a loose plug and see if that takes care of my leak issue. If so, I can easily make a vent.

Is the PTO in the hyd case supposed to be bathed in oil at all times? Because the fluid level in the hyd case is getting pretty low.
o



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Dean

01-27-2013 19:15:39
67.172.15.77



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 Re: Seal blowby update in reply to Oaf, 01-27-2013 15:01:47  
Tractors with hydraulic systems have a hydraulic dipstick near the PTO engagement lever. I'm not sure if your tractor will have this dipstick or even provisions for one.

If you use the same NH 134D spec oil in all three sumps as is currently recommended, simply keep the sumps filled to the same level to prevent migration from sump to sump.

Dean



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Oaf

01-27-2013 21:26:25
108.210.163.119



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 Re: Seal blowby update in reply to Dean, 01-27-2013 19:15:39  
There is a hyd dipstick, but I don"t know whether the fluid fill level in each of the three cases of the 600 series is the same. I use the 134D in all three as recommended on this board, and after this episode I"m sure glad I did!

I"ll vent the hyd case and let you all know if that cures the shifter leak.

Thanks again!



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