Snorkel TB50 - Manual (Page 27)

TB42/TB50 – 0074923 23
The following are located on the lower control panel.
• Emergency stop button
• Control selector switch
• Start switch
• Ground operation switch
• Rotation switch
• Boom elevation switch
• Boom extend/retract switch
• Boom speed knob
• Platform level switch
• Platform rotation switch
• Engine/emergency power switch
• Throttle switch
• Fuel switch (dual fuel machines)
Emergency Stop Button
The emergency stop button (refer to Figure 6.2) is a
two-position, red push button.
Push the button inward to disconnect power to all
control circuits.
Pull the button outward to restore power.
On older machines, the emergency stop is a two-position
toggle switch with a red safety guard.
Push the guard down over the toggle switch to dis-
connect power to all control circuits
Lift the guard and push the toggle switch up to re-
store power.
Control Selector Switch
Use the control selector switch (refer to Figure 6.2)
to select between the lower control and upper control
operation.
Push the switch upward to operate the aerial platform
from the upper controls.
Push the switch downward to operate the aerial
platform from the lower controls.
Start Switch
The start switch (refer to Figure 6.2) works like an au-
tomobile ignition switch.
Hold the switch in the start position until the engine
starts, then release it to on.
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.
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Chapter 6 – Controls
Danger
Pinch points may exist between moving compo-
nents. Death or serious injury can result from being
trapped between components, buildings, structures,
or other obstacles. Make sure all personnel stand
clear while operating the aerial platform.
Controls to position the platform are located on the
lower control panel on the turntable and on the upper
control panel in the platform.
Controls to drive the aerial platform are located on
the upper control panel only.
Battery Disconnect Switch
The battery disconnect is located behind the door on
the left side of the turntable above the batteries (refer
to Figure 6.1).
Figure 6.1 – Battery Disconnect Switch
The battery disconnect removes electrical power from all
electrically controlled functions when in the off position.
Place the switch in the on position to electrically
connect the battery to the electrical system.
Caution
Only authorized personnel should operate the aerial
platform. Unqualified personnel may cause injury
to coworkers or property damage. Lock the battery
disconnect switch in the off position before leaving
the aerial platform unattended.
Turn the battery disconnect switch off to prevent
unauthorized use of the aerial platform.
Lower Controls
The lower controls (refer to Figure 6.2) are located on the
right side of the turntable. Boom and platform functions
can be operated from the lower controls.
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Battery Disconnect Switch