Snorkel TB50 - Manual (Page 28)

Chapter 6 – Controls
24 TB42/TB50 – 0074923
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 up to raise the main boom.
Hold the switch down to lower the main boom.
Boom Extend/Retract Switch
The boom extend/retract switch (refer to Figure 6.2) is
used to extend or retract the booms. The switch is spring
returned to the center off position.
Hold the switch to the left to extend the tip boom.
Hold the switch to the right to retract the tip boom.
Boom Speed Knob
The boom speed knob (refer to Figure 6.2) is used to
control the speed of the following boom functions:
Main boom raise/lower
Boom extend/retract
Set the knob to slow when beginning a movement. The
speed may be increased by slowly rotating the knob
toward fast. For smooth operation, rotate the knob to
slow when ending movement.
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Note
On some machines it may be necessary to pause about
three seconds in the on position before going to start so
the starter can engage.
If the platform is to stay in a particular position for a long
time, turn the start switch to off to shut off the engine
and save fuel.
Ground Operation Switch
The ground operation switch (refer to Figure 6.2) is used
to operate the machine from the lower controls. The
switch is spring returned to the off position.
Hold the ground operation switch upward continually
to operate the machine from the lower controls.
The engine speed increases when the switch is
held upward.
Rotation Switch
The rotation switch (refer to Figure 6.2) is used to ro-
tate 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.
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Figure 6.2 – Lower Controls
Boom Extend/Retract
Switch
Throttle Switch
Platform Level Switch
Control Selector
Switch
Platform Rotation
Switch
Ground Operation
Switch
Start Switch
Emergency Stop Button
Boom Speed
Knob
Engine/Emergency
Power Switch
Rotation Switch
Boom Elevation
Switch