Riser Switch; Boom Elevation Switch; Boom Extension Switch; Jib Articulation Switch - Snorkel AB46JE Operator's Manual

Chapter 7 – Controls

Riser Switch

The riser switch (refer to Figure 7.2) 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 7.2) 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 7.2) is used to
extend or retract the booms. The switch is spring returned
to the center off position.
• Hold the switch to the right to extend the booms.
• Hold the switch to the left to retract the booms.

Jib Articulation Switch

The jib switch (refer to Figure 7.2) is used to raise or
lower the jib. The switch is spring returned to the center
off position.
• Hold the switch upward to raise the jib.
• Hold the switch downward to lower the jib.
Emergency Stop
Button
Riser Switch
Rotation Switch
20
Control Selector
Start Switch
Boom Elevation Switch

Platform Rotation Switch

Figure 7.2 – Lower Controls

Platform Level Switch

The platform l evel switch (refer to Figure 7.2) is used to
level the platform floor with respect to the ground. The
switch is spring returned to the center off position.
• Hold the switch upward to tilt the platform fl oor upward
or away from the ground.
• Hold the switch downward to tilt the platform fl oor
downward or toward the ground.
Platform Rotation Switch
The platform rotation switch (refer to Figure 7.2) is used
to rotate the platform relative to the end of the tip boom.
The switch is spring returned to the center off position.
• Hold the switch to the right to rotate the platform
counterclockwise.
• Hold the switch to the left to rotate the platform clock-
wise.

Emergency Power Switch

The emergency power switch (refer to Figure 7.2) is
used to operate turntable, boom, and platform functions
using the emergency power system. The switch is spring
returned to the off position.
The emergency power system is for emergency low-
ering and stowing only. The length of time the pump
can be operated depends on the capacity of the bat-
teries. Do not use this system for normal operation.
Main Control
Circuit Breaker
Switch
Boom Extension Switch
A
Caution
Relays/Switches
Circuit Breaker
Emergency Power Switch
Ground Operation
Switch
Jib Articulation Switch
Platform Level Switch
AB46JE – 0260072