Snorkel TB125J User Manual
Page 24
Chapter 6 – Controls
24
T125J/TB125J – 0192214
Figure 6.4 – Lower Controls
Start Switch
The start switch works like an automobile ignition
switch. Turn the start switch until the engine starts, then
release it to on. If the engine dies, the controls selector
switch must be turned to off before the engine can be
restarted.
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 Switch
Use the control switch to select between lower control
and upper control operation. Push the switch up to oper-
ate the aerial platform from the upper controls and down
to operate the machine from the lower controls.
Ground Operation Switch
Hold the switch upward continually to operate the
machine from the lower controls. The engine speed
increases when the switch is held upward. This switch
is spring returned to the off position.
Boom/Axle Switch
The boom/axle switch must be up, in the boom position
to operate the boom functions.
Place the switch down, in the axle position, to operate
the controls for the jack and axles.
Rotation Switch
The rotation switch 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 coun-
terclockwise. Hold the switch to the left to rotate the
turntable clockwise.
Boom Elevation Switch
The boom elevation switch 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 Extension Switch
The boom extension switch 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 booms. Hold the
switch to the right to retract the booms.
Boom Speed Knob
Use the boom speed control knob to control the speed
of the following boom functions.
• Main boom raise/lower
• Boom extend/retract
• Turntable rotation clockwise/counterclockwise
• Jib boom raise/lower
Set the knob to slow when beginning a boom movement.
The speed may be increased by slowly rotating the knob
toward fast. For smooth operation, rotate the knob to
slow when ending boom movement.
Jib Articulation Switch
The jib switch is used to raise or lower the jib. The switch
is spring returned to the center off position.
Hold the switch up to raise the jib. Hold the switch down
to lower the jib.
Platform Level Switch
The platform level switch 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 up to tilt the platform floor upward or
away from the ground. Hold the switch down to tilt the
platform floor downward or toward the ground.
Platform Rotate Switch
The platform rotator switch is used to rotate the platform
relative to the end of the tip boom. The switch is spring
returned to the center off position.
Boom
Elevation
Boom/Axle
Controls
Selector
Ground
Operation
Rotation
Boom
Speed
Start
Emergency
Stop
Engine
Speed
Jib
Articulation
Platform
Level
Platform
Rotate
Boom
Extension
Engine/
Emergency
Power