Emergency Stop Button; Controls Selector Switch; Rotation Switch; Boom Elevation Switch - Snorkel 460SJ Operator's Manual

Chapter 6 – Controls
• Hold the switch upward to activate the emergency
power system.
• Release the switch to disengage the emergency power
system.
Ground Operation
Hold the switch upward continually to operate the machine
from the lower controls when the engine is running. The
engine speed increases when the switch is held upward.
This switch is spring returned to the off position.

Emergency Stop Button

The emergency stop (refer to Figure 6.2) is a two-position,
red push button.
• Push the button inward to disconnect power to all
control circuits.
• Pull the button outward to restore power.

Controls Selector Switch

Use the controls switch (refer to Figure 6.2) to select
between lower control and upper control operation.
• Place the switch in the upward position to operate the
aerial platform from the upper controls.
• Place the switch in the downward position for lower
control operation.
Diesel Particulate Filter Switch
Platform Overload/Tilt
Warning Light
Hydraulic Warm-Up Switch
Main Control
Circuit Breaker

Boom Extension Switch

Boom Elevation
Switch

Rotation Switch

24
Engine Warning Lights
Amber Red
Controls Selector Switch
lb
kg
Start/Emergency Power/
Ground Operation Switch
Figure 6.2 – Lower Controls
An alarm sounds when the switch is turned on to warn
others that the machine engine is being started.
Rotation Switch
The rotation switch (refer to Figure 6.2) 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.

Boom Elevation Switch

The boom elevation switch (refer to Figure 6.2) 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.
Boom Extension Switch
The boom extension switch (refer to Figure 6.2) is used to
extend or retract the booms. The switch is spring returned
to the center off position.
Diagnostic Center
LCD Display
1000 lbs
454 kg
Platform Capacity
Indicator Lights
600 lbs
272 kg
Platform Rotation Switch
Platform Level Switch
Jib Articulation Switch
Emergency Stop Button
1434747 _REV A
460SJ – 1433685