IV.
OPERATING SYSTEMS
42
C. HYDRAULIC SYSTEM
HYDRAULIC PUMPS–
The hydraulic pumps (fig. 4.42-1, item A)
circulates the hydraulic oil throughout the necessary systems and back
through a cooler before returning it to the reservoir.
If the level in the reservoir drops too low to safely operate the machine
you must shut down the engine immediately to prevent damage to the hy-
draulic system.
FIG. 4.42-1
POWER STEERING SYSTEM–
The power steering is a dedicated circuit steering system with full time
control and self centering/ double action steering cylinders.
SOLUTION PUMP–
The solution pump is a centrifugal pump con-
trolled hydraulically with the pulse width modulated control valve. The
valve is controlled by the Raven console per the calibration settings en-
tered by the operator.
FIG. 4.42-2
FIG. 4.42-3
OPERATING SYSTEMS
BRUSH SPEED CONTROL–
The rate of rotation by the brushes
may be adjusted with the speed control dial (fig. 4.42-4). This will conven-
iently help to adjust the speed of the brushes to accommodate any situa-
tion.
FIG. 4.42-4
A
