Zetor Major 80 - Selection of Holes in Bracket; Upper Draw Bar

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LINKAGES
NM13N055 NM13N056 NM13N057
UPPER DRAW BAR
Upper draw bar (1) is horizontally adjust-
able. It is connected to a tractor to one of
the four holes of the bracket, which
transfer the power from the connected
tools to torque rod in the cover of regula-
tion hydraulics.
When transporting the tools, it is
necessary to relocate upper draw
bar to holes (c), so that overload
of kinematic system of lifting hy-
draulics, or the fall of the con-
nected machine.
UPPER DRAW BAR
When prolonging an upper draw
bar, it is necessary to mind both
joints to be unscrewed from the
tube of the draw bar to the same
length.
SELECTION OF HOLES IN BRACKET
The connection of upper draw bar to
some of the holes (a), (b) or (c) of brack-
et influences:
the sensitivity of hydraulic control. With
connected draw bar in a hole (a) the
sensitivity of regulation is the greatest, in
(c) hole the smallest.