Snorkel SB126J User Manual
Page 26
Chapter 6 – Controls
20
SB126J – 0192278
Figure 6.4 – Lower Controls
Start Button
Press and hold the start button until the engine starts,
then release it. If the engine dies, the controls selector
switch must be turned to off, then back to the lower
controls position, 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 off, lower
control and upper control operation. Insert the key in
the switch and turn the switch to the upper controls
position to operate the aerial platform from the upper
controls and in the lower controls position for lower
controls operation.
An alarm sounds when the switch is turned to on to warn
others that the machine engine is being started.
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
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 l evel switch is used to level the platform
fl oor with respect to the ground. The switch is spring
returned to the center off position.
Hold the switch up to tilt the platform fl oor upward or
away from the ground. Hold the switch down to tilt the
platform fl oor downward or toward the ground.
Boom
Elevation
Boom/Axle
Controls
Selector
Ground
Operation
Rotation
Boom
Speed
Start
Emergency
Stop
Throttle
Jib
Articulation
Platform
Level
Platform
Rotate
Boom
Extension
Engine/
Emergency
Power