Snorkel SP22 - Manual (Page 33)

steer right and left. The steering and drive functions
may be operated simultaneously.
Movement of the joystick in a given direction
produces a corresponding movement of the aerial
platform.
NOTE
The steering wheels are not self-centering. Set the
steering wheels straight ahead after completing a
turn.
❑ High Range Switch
The high range button is on the upper right side of
the upper control panel.
Normal operation of the drive wheels is with low
speed and high torque. Press the range button to
change the drive system to high speed and low
torque operation.
❑ Horn Button
The horn button is on the right side of the upper
control panel. Press the push-button switch to
sound the horn.
❑
Emergency Power Switch
Operate the emergency power switch to access the
aerial platform functions using the emergency
power system.
NOTE
The emergency power system is for lowering the
platform during an emergency and is not intended
for normal machine operation.
■ AC Generator (Optional)
The control for the generator is located on the
upper control panel.
Place the switch in the generator position to
provide electrical power to the two electrical outlets
at the platform and to the outlet on the end of the
generator housing.
Machine functions will not operate while the switch
is in the generator position.
■ Platform Foot Switch
The upper controls are interlocked through the
platform foot switch (refer to Figure 5.5). Step down
on and hold the platform foot switch to activate the
drive and boom functions from the upper controls.
Figure 5.5—Platform Foot Switch
SP20/SP22 – 11890A page 6 - 3
Chapter 6. Controls