4.27
IV.
OPERATING SYSTEMS
C. HYDRAULIC SYSTEM
Vertical Extension
NOTE:
Boom extensions can only be folded when hydrostatic
lever is in the neutral position, and you have pushed
the
F1
or
ok
in the MDM showing you have acknowl-
edged there are no power lines overhead. If sprayer is
put in gear during folding, booms will stop.
VERTICAL EXTENSION-
To fold the vertical boom extensions vertically in or out, depress the top or bot-
tom of the
Boom Extension
switch (fig. 4.27-2).
This activates BOTH extension cylinders connecting the
inner boom section and the center boom section
(fig. 4.27-3).
Fold or unfold the booms in an open area only. Make sure there are no overhead obstructions or wires to
interfere with extension folding. The booms will vertically unfold even if they are still in the boom cradle or are
not horizontally extended!
FIG 4.27-2
FIG. 4.27-3
FIG. 4.27-1
Содержание STS14
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