Steer Switch; Drive Range Switch; Boom Speed Knob; Rotation Switch - Snorkel AB46JE Operator's Manual

Chapter 7 – Controls
Emergency Power
Switch
Platform Level Switch

Rotation Switch

Riser Switch

Steer Switch

The steer switch (refer to Figure 7.5) is a momentary
contact, rocker switch on top of the drive joystick. This
switch controls the two front wheels to steer the aerial
platform.
• To steer to the right, hold down the right side of the
steer switch.
• To steer to the left, hold down the left side of the steer
switch.
Note
The steering wheels are not self-centering. Set the steer-
ing wheels straight ahead after completing a turn.

Drive Range Switch

The drive range switch (refer to Figure 7.5) has two posi-
tions to select drive wheel operation when the booms are
in the stowed position; tip boom fully retracted and main
boom fully lowered.
• High range (rabbit) – high speed drive (3.2 mph) with
booms in the stowed position.
• Low range (turtle) – creep speed (0.8 mph) with high
torque two wheel drive operation with booms in any
position.
The drive range operates in low when the booms are out
of the stowed position, regardless of the position of the
drive range switch.

Boom Speed Knob

Use the boom speed knob (refer to Figure 7.5) to control
the speed of the following functions:
• Main boom raise/lower
• Main boom extend/lower
22
Emergency Stop Button
Boom Speed Knob
Platform Rotation Switch
Boom Extension Switch
Figure 7.5 – Upper Control Panel
Horn Switch

Boom Elevation Switch

Drive Joystick
Jib Articulation Switch
• Turntable rotation clockwise/counterclockwise
• Riser raise/lower
• Jib raise/lower
• Platform rotate/level
Set the knob to slow (turtle) when beginning a movement.
The speed may be increased by slowly rotating the knob
toward fast (rabbit). For smooth operation, rotate the knob
to slow when ending movement.
Rotation Switch
The rotation switch (refer to Figure 7.5) is used to rotate
the turntable in a clockwise or counterclockwise direction.
The switch is spring returned to the center off position.
• Hold the switch to the right to rotate the turntable
counterclockwise.
• Hold the switch to the left to rotate the turntable
clockwise.
Riser Switch
The riser switch (refer to Figure 7.5) is used to raise or
lower the riser booms. The switch is spring returned to
the center off position.
• Hold the switch upward to raise the riser booms.
• Hold the switch downward to lower the riser booms.
Boom Elevation Switch
The boom elevation switch (refer to Figure 7.5) is used
to raise or lower the main boom. The switch is spring
returned to the center off position.
• Hold the switch upward to raise the main boom.
• Hold the switch downward to lower the main boom.
Drive Range Switch
Steer Switch
AB46JE – 0260072