4 - Sprayer setup
38
Open center hydraulics
The open center hydraulics block is necessary if the tractor uses open
center hydraulics and/or load sensing.
The valves (1) and (2) is factory set for open center hydraulics, but if
closed center hydraulics is used (also in combination with load sensing),
screw in the valve (clockwise).
Certain tractor models are able to use Load Sensing without connecting
an external sensing line. But if optimal sensing control pressure cannot
be obtained, an external sensing line needs to be connected (3). Please
consult your tractor dealer for correct setup and correct connection.
±
WARNING! Before operating the hydraulics, the valve should be
set according to the specific tractor model. If you are unsure of
the type of hydraulic system in your tractor, please contact your
tractor dealer.
Combinations of settings for flow element and circuit value:
*if tractor requires pressure relief, contact your tractor dealer for further advice.
±
WARNING! Always be sure to fully open or close the open/closed center selection valves. Failure to do so may cause
damage to vital pump parts.
±
WARNING! It is essential that connectors on sensing line are kept totally clean. Failure to do so can result in impurities
entering the pump and thereby cause damages to vital pump parts.
Valve no. 1 2 3 (LS port)
Open center Out Out Not connected
Closed center In In Not connected
Load sensing (LS) In Out* Connected
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