Snorkel TB50 - Manual (Page 31)

Chapter 6 – Controls
TB42/TB50 – 0074923 27
If the engine dies, the switch must be turned to off
before it can be turned back to start.
An alarm sounds when the switch is turned on to warn
others that the machine engine is being started.
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 switch to off to shut off the engine
and save fuel
Emergency Stop Button
The emergency stop is a two-position, red push button on
the top of the upper control panel (refer to Figure 6.6).
Push the button inward to disconnect power to all
control circuits at the upper controls.
Pull the button outward to restore power.
Note
The lower controls override the upper controls. If the up-
per control emergency stop button is engaged the lower
controls can still be used to operate the aerial platform.
Push the emergency stop button inward when the
upper controls are not in use to protect against un-
intentional operation.
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Drive Joystick
The drive joystick (refer to Figure 6.6) is used to control
forward and reverse motion of the aerial platform. It is
also used to steer the machine. The steering and drive
functions may be operated simultaneously.
Note
The distance the joystick is moved is proportional to the
speed of the function.
To move the aerial platform forward, hold the joystick
forward as indicated by the directional arrows on
the chassis.
To move the aerial platform backward, hold the
joystick backward as indicated by the directional
arrows on the chassis.
To steer to the right, hold the joystick to the right as
indicated by the directional arrows on the chassis.
To steer to the left, hold the joystick to the left as
indicated by the directional arrows on the chassis.
Note
The steering wheels are not self-centering. Set the steer-
ing wheels straight ahead after completing a turn.
Drive Range Switch
The drive range switch (refer to Figure 6.6) has two
positions to select drive wheel operation:
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Figure 6.6 – Upper Controls
Drive Range
Switch
Engine/Emergency
Power Switch
Emergency Stop
Button
Start Switch
Throttle
Switch
Platform Rotation
Switch
Boom Extension Switch
Platform Level
Switch
Boom Speed Knob
Boom Joystick
Drive Joystick