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Open centre hydraulics (optional equipment)
The open centre hydraulics block is needed if the tractor uses open
centre hydraulics and/or if load sensing will be used.
The valve (1) on the side of the block is factory set for open centre
hydraulics, but if closed centre hydraulics will be used in combina-
tion with load sensing, then screw in the valve.
Certain tractor models are able to use Load Sensing without con-
necting an external sensing line. But if optimal sensing control pres-
sure cannot be obtained, an external sensing line needs to be
mounted (3). Please consult your tractor dealer for correct setup and
correct connection.
Before operating the hydraulics, the valve should be adjusted accor-
ding to the specific tractor model. If you have doubt about which
type of hydraulic system your tractor is equipped with, please con-
sult your tractor dealer.
Schedule with combinations of settings for flow element and circuit
value:
Valve no.
Open centre
Closed centre
Load sensing (LS)
*if tractor requires pressure relief then contact your tractor dealer for
further advise.
WARNING! Always be sure to fully extract or retract the
open/closed center selection valve (1). Failure to do so can
result in damages to vital pump parts.
WARNING! It is of essential importance 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.
SafeTrack hydraulics (optional equipment)
This steering hydraulic block manages hydraulic pressure for the
steering functions.
1
2
out
out
in
in
in
out*
3 (LS port)
Not conn.
Not conn.
Connected
4 - Sprayer setup
4.7
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