Re: Lack of power on Cases IH 5140

Posted by oli on January 20, 2015 at 05:59:09 from (199.195.160.196):

In Reply to: Lack of power on Cases IH 5140 posted by Tembodebase on January 19, 2015 at 12:54:29:

Does the tractor have a neutral position on the
forward/reverse lever by the steering wheel?
There is the of chance that there is a sticking
valve in the system, but usually when the
valve sticks (it will stick open) that there is
no drive and the steering doesn't work unless
the tractor is reving higher than idle...

Take the seat out of the cab (4 bolts under the
mat - and the electrical connection for the
operator presence switch/ air compressor), and
on the top of the transmission housing is a
valve block, has clutch and pto cable going to
it and some solenoids (about 12inches sq/30cm
sq) take the block off and check the valves
inside, one of them may be stuck...

This stuck valve causes all sorts of issues, as
hydraulic oil is dumped back into the
transmission housing, it steals oil from
everything else it seems... took me 3 months to
find this issue after the CaseIH dealer wanted
a new pump/compensator (major $$$$) - which we
did and no change) so i took the tractor home
and slowly went through the entire hydraulic
system...

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