Snorkel TB85J CE User Manual
Page 26

Chapter 6 – Controls
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TB80/TB85J – 0112622EE
• Platform rotate switch
• Engine/Emergency power switch
• Engine speed switch
• Ether injection switch (option for Cummins engines)
• Air inlet heater (option for Deutz engines)
• Hydraulic warm-up switch (option)
Figure 6.4 – Lower Controls
Start Switch
The start switch works like an automobile ignition switch.
Push the start button until the engine starts, then re-
lease it to on. If the engine dies, the controls selector
switch must be turned to off before the engine can be
restarted.
An alarm sounds when the switch is turned on to warn
others that the machine engine is being started.
Emergency Stop Button
The emergency stop is a two-position, red push button.
Push the button in to disconnect power to all control cir-
cuits. Pull the button out to restore power.
Controls Selector Switch
Use the control switch to select between off, lower con-
trol, 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.
Ground Operation Switch
Hold the switch upward continually to operate the ma-
chine 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 turn-
table 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 – TB85J Only
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 re-
turned 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.