Re: Hydraulic Experts Reply Here

Posted by Bob M on March 16, 2006 at 06:52:49 from (151.190.254.108):

In Reply to: Hydraulic Experts Reply Here posted by IaGary on March 16, 2006 at 05:20:27:

I'm now hydraulic expert! However the outfit where I moonlight occasionally operates a Case/ASS(?) 16 row planter. It utilizes both the tractor hydraulics to fold/unfold and operate the marker arms, and has it's own independent PTO pump-driven hydraulic system to operate the other planter functions.

The independent system includes a large (close to 2 ft square) air-cooled oil cooler mounted on the planter tongue. An electric (or hydraulic? - I cannot recall) fan forces air through the hyd cooler.

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Anyway I submit if your tractor hydraulics losing power after running a while the system is being overheated. Sooner or later this will damage seals, and may cause the oil to breakdown and thus shorten life of the pump. So either an auxiliary oil cooler or else separate PTO hyd pump (with cooler) are indicated.

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