Preparation of the Tractor
16
3.6.3 VariOpal (X, HX) – EPS electronic plough control system
Required control units or
hydraulic systems
Hydraulic overload protection Double-acting control unit
Combination block for actuating all other hydrau-
lic cylinders incl. hydraulic front-furrow width ad-
justment
Load sensing system with pressure, return
and LS line or
load sensing system, constant pressure sys-
tem or constant flow system with pressure
and return line
* Cannot be used in combination with Vari Stop and Vari Stop Plus.
** If a driver arm is mounted, the hydraulic cylinder for the driver arm must be connected to a
separate single-acting control unit.
*** The hydraulic on-land horizontal swing can only be delivered in combination with a hydrau-
lic working width adjustment and hydraulic frameswing-in.
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