DRIVING THE MACHINE
The CSV Variable Width Chip Spreader is powered
by a diesel engine with a hydrostatic drive system that
propels the machine at varying speeds with dynamic
braking action. The driver can select from three (3)
ground-speed modes to accommodate a wide range
of requirements: Travel mode, manual mode or auto
mode. You can propel the chip spreader via the joystick
after selecting the ground-speed mode on the active
console. (Figure 4-2)
Operation Mode
Figure 4-2. Operation Mode Button
The operator propels the machine using the joystick,
which also contains buttons for spreading functions
(Page 3-10), steering with the steering wheel and
stopping by applying the foot brake. Moving the joystick
forward propels the machine forward; moving the
joystick backwards propels the machine in reverse. The
center position is neutral.
You must step on the foot brake, then release, in order
to propel the machine. If you don’t step on the brake
and try to propel in either direction, an error code will
ash on the DP710 display unit in the upper right corner
of the screen. (Page 4-7) Additionally:
• The park brake must be disengaged.
• The joysticks must be in the neutral position.
• One console must be activated. (Page 4-7)
NOTE: If the machine sits idle for 10 seconds after
propelling, the joystick will time out and you
will need to step on the foot brake again.
Before driving on public roads, check
state and local laws that may apply to industrial
self-propelled machines. Additional lights, mirrors,
slow-moving vehicle emblems, or reectors may be
required.
Travel Mode
Select the travel mode when driving the chip spreader
to and from work sites. Maximum throttle is 2,200 RPMs
with low idle at 900 RPMs in the travel mode. Maximum
speed in the travel mode is 20 mph (32 kph).
Work functions do not operate when in the travel mode.
The operator platform(s), spread hopper and receiving
hopper wings must be fully retracted to allow an active
travel command. If any of these functions are not fully
retracted, the LED light on the travel button will blink red.
When these functions are retracted, the LED light on the
travel button will illuminate green.
If either function is not fully retracted, the machine may
continue to propel, but ground speed will be restricted.
Manual Mode
The manual mode is the default mode. The operator
controls all work and propel functions via the joystick
and keypads. The maximum throttle is 1,800 RPMs and
low idle is 900 RPMs. The machine may reach 10 mph
(16 kph) depending upon speed in relation to torque
condition.
Auto Mode
In the Auto mode, the maximum throttle is also 1800
RPMs and low idle at 900 RPMs, with a speed of up to
10 mph (16 kph). The operator can preset the desired
feet-per-minute (FPM) speed, rock type, size and PSY
(pounds per square yard). Based on these settings, the
onboard computer then controls the main gate opening
according to ground speed automatically while chip
spreading.
When in the auto mode, the speed control function
is always active in the forward direction. Moving the
joystick back toward the center slows the machine
proportionally. The main gate closes and the FPM
speed turns off with the joystick in reverse.
The auto mode offers an “auto resume” feature. The
Plus One control unit keeps track of the distance
traveled in reverse. When the operator moves forward
again, the control system resumes opening the spread
roll and gates.
NOTE: Depressing the chipping button while
stopped disables this function.
4
Operation
Rosco CSV Variable Width Chip Spreader 4-5
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