3.7
OperationROSCO - A LeeBoy Company
OPERATION
RB48 BROOM
Before moving the broom, be sure
the Park/Emergency Brake is
released to prevent premature
wear and possible failure of the
brake shoes.
CONTROLS
For best overall sweeping results, it is important for the operator to be familiar with all broom
controls and recommended procedures before proceeding with sweeping operations.
In the following paragraphs, the item numbers listed in ( ) refer to Figure 3-A on page 3-3 in this
section, which illustrates the location of operator controls.
GENERAL DESCRIPTION
Engine Throttle - The engine throttle (item 3) is a
knob with a center push-button located on the
control panel to the right of the driver's seat.
Holding the button depressed while pulling or
pushing the knob allows the operator to increase
or decrease throttle. Once the button is released
the operator can fine-tune the engine RPM by
turning the knob clockwise to increase throttle or
counterclockwise to decrease throttle. When first
operating this machine, set the throttle to 1/2 or 3/4
open until you are familiar with the functions of the
controls.
Transmission Selector Lever - The hydrostatic
Transmission Selector Lever (item 1) is also on
the control panel on the operator's right side. With
some experience an operator should be able to
operate this control along with the throttle to make
the forward or reverse movement of the broom
smooth and fluid-like.
Speed Selector Switch - The hydrostatic
transmission system on the broom is equipped
with a HIGH - LOW Speed Selector Switch (item
4) located on the control panel on the operator's
right side. Use HIGH speed for road travel and
LOW speed for sweeping operations.
Do not activate the Speed
Selector Switch while the
transmission is engaged.
Excessive pressures are
generated which can cause
premature component failure.
Do not use HIGH speed for
sweeping operations. The
operator cannot control the broom
in a safe and precise manner
while sweeping in the HIGH
range of the hydrostatic
transmission.
Service Brake Pedal - The foot-operated Service
Brake Pedal (item 5) is on the right side of the
operator's platform. The service brake may be
overpowered by the hydrostatic drive. Always
return the Transmission Selector Lever to
NEUTRAL as the service brakes are applied.
Most operators seldom use the foot brake.
Instead they use the throttle and hydrostatic
control to slow down, stop and change directions.
Steering Wheel - The Steering Wheel (item 6) is
located directly in front of the operator's seat.
Remember that steering operations take priority
over brush operations (rotation, lift and swing) in
situations where both are being attempted at the
same time.
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