The operator extends (OPEN) the main hopper gates
by pushing the button forward and retracts (CLOSE) the
gates by pushing the button backward on the control
console. (The active switch position illuminates green.)
The center position is off. The operator can control the
individual gates from the controls just above the main
gate switches. (Figure 4-38)
Left
Main
Gate
Right
Main
Gate
Left
Right
Individual Gate Buttons
Figure 4-38. Main Gate Controls
To preset the main gate, use the left or right (or both)
buttons to the desired width, which will be displayed
on the DP710 main screen. (Figure 4-38) This will
open the gates to the desired set point regardless of
ground speed. The spread roll will automatically turn on
when activating the chip spread button on the back of
the joystick (Page 3-10). Bringing the joystick back to
neutral will shut off the gates and spread roll.
Figure 4-39. Gate Setpoint
Individual gate commands can only be made when the
master gate(s) is in an active open position. Figure
4-40 shows the gate control buttons and corresponding
gate cylinders that control spread width in one-foot
increments. After the main gate(s) width has been
set and activated, the individual gate buttons that can
be used based upon those settings will illuminate
yellow. Upon chipping, the yellow-illuminated buttons
will change to green. If operating in the manual mode,
the operator can close any of the individual gates by
pressing the button to the “CLOSE” position, and the
button will illuminate red.
The CSV onboard computer provides full automatic
control of the gates and aggregate ow when operating
in the Auto mode. (Page 4-5) After setting the FPM,
rock size/type and PSY on the Main screen (Page 4-8),
the system automatically adjusts aggregate ow through
the gates. The aggregate spread rate is maintained
regardless of speed variations while chip spreading
as the onboard computer system constantly monitors
and controls ow. The maximum opening position
for individual gates will be mechanically limited by the
position of the main gate(s).
1 2 3 4 5 6 7 8
12
3456
78
Right Main Gate Left Main Gate
Figure 4-40. Individual Gate Controls and Corresponding Gate Cylinders
4
Operation
Rosco CSV Variable Width Chip Spreader 4-23
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