Chapter 6 - Controls; Lower Controls; Emergency Stop Button; Control Selector Handle - Snorkel A46JRT Operator's Manual

Danger
Pinch points may exist between moving components.
Death or serious injury will result from becoming
trapped between components, buildings, structures,
or other obstacles. Make sure all personnel stand
clear while operating the aerial platform.
• Controls to position the platform are located on the
lower control panel on the turntable and on the upper
control panel in the platform.
• Controls to drive the aerial platform are located on
the upper control panel only.
Danger
Pinch points may exist between moving components.
Death or serious injury can result from becoming
trapped between components, buildings, structures,
or other obstacles. Make sure all personnel stand
clear while operating the aerial platform.
Controls to position the platform are located on the lower
control panel on the turntable and on the upper control
panel in the platform. Drive controls are located on the
upper control panel only.

Lower Controls

The lower controls (refer to Figure 6.1) are located on the
right side of the turntable. Boom and platform functions
can be operated from the lower controls. The following
are located on the lower control panel.

• Emergency stop button

• Control selector handle

• Ground operation button

• Drive range handle

• Steer buttons
• Riser elevation buttons
• Boom extension buttons
• Boom elevation buttons
• Jib elevation buttons
• Platform level buttons
• Platform rotate buttons
• Rotation buttons
A46JRT – 0261169
Chapter 6 – Controls
Drive Range
Handle
Ground Operation
Emergency
Stop Button
Jib
Elevation
Buttons
Platform
Rotate
Buttons
Rotation
Buttons
Emergency Stop Button
The emergency stop is a two-position, red push button.
Push the button in to disconnect power to all control
circuits. Pull the button out to restore power.
Control Selector Handle
Use the control selector handle to select between lower
control and upper control operation. Place the handle in
the upper control position to operate the aerial platform
from the upper controls and in the lower control position
for lower controls operation.
Ground Operation Button
Press and hold the button inward to operate the machine
from the lower controls. The engine speed increases
when the button is held inward.
Drive Range Handle
The drive range handle has two positions to select drive
wheel operation when the booms are in the stowed po-
sition; intermediate boom fully retracted and main boom
fully lowered.
• High range (rabbit) – high speed (4.5 mph) two wheel
drive with booms in the stowed position.
• Low range (turtle) – creep speed (0.8 mph) with high
torque four wheel drive operation with booms in any
position.
The drive range operates in LO when the booms are out
of the stowed position, regardless of the position of the
drive range handle.
Button
Figure 6.1 – Lower Controls
Control Selector
Handle
Steer
Buttons
Riser
Elevation
Buttons
Boom
Extension
Buttons
Boom
Elevation
Buttons
Platform
Level
Buttons
15