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Chapter 4
4.6 UNLOADING
The trailer is equipped with a hydraulic
tipping system, and a suitable frame and
load box construction enabling tipping
to the sides and to the rear. Tipping the
load box is controlled by means of the dis-
tributor of the tractor's external hydraulic
system.
The trailer is unloaded in the following
order:
• the tractor and trailer should be
placed for straight driving on level,
hard and level ground,
• Block the tractor and trailer with
parking brake,
• tipping pins (1), (2) (connecting the
load box to the lower frame) should
be placed on the side on which the
unloading will be carried out and
properly secured - fi gure (4.8).
• tipping pins and individual seats are
designed in such a way that they
cannot be moved diagonally across
the load box, which would cause
damage to the trailer,
• open appropriate wall closures and
/ or extensions, or open the chute
slide in the rear wall (depending on
the intended direction and method of
unloading),
Use caution when opening, as
PRONAR T672ECO
4.18
B
A
Figure 4.7 Braking force regulator
(1) regulator
(A) 'UNLOADED' position
(B) 'HALF LOAD' position
(C) 'FULL LOAD' position
the load can put a lot of pressure
on the walls.
When opening wall closures do
not stand in the area of the wall
to be opened and the load being
unloaded
• set the three-way valve lever (2) -
fi gure (3.9) controlling operation of
the hydraulic tipping system circuits
to position "1" - tipping the fi rst trailer,
In case when a second trailer
is
connected,
should be made only when the
fi rst trailer load box has been
lowered and the three-way valve
controlling the hydraulic tipping
system - set in the "2" position of
Rules of use
C
259-H.14-1
its
unloading
1
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