Re: JD 4430 HYDRAULICS

Posted by buickanddeere on March 03, 2006 at 10:32:51 from (216.183.151.203):

In Reply to: JD 4430 HYDRAULICS posted by SDALP on March 03, 2006 at 05:13:38:

If "non wet clutch" oil which is cheaper has been added to the trans/hydraulic system. Odds are she's on her last legs.
The incompatable oil softens the wet clutch/brake facings like oil on a rubber tire. The facings flake off and steel to steel contact occurs.
This wrecks the pto clutch/brake, trans high/low clutch pack and the brakes.
Pull the trans pump pre-screen and the paper filter and see if they are full of fiber and/or metal cuttings.
It could be just lots of hours with a bit of dirt and water in 20-30 year old that has worn the pump(s).

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