Snorkel TB47J - Manual (Page 23)

TB47J – 0075182 19
Chapter 6 – Controls
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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. Drive controls 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 Fig-
ure 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 con-
nect the battery to the electrical system.
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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 unau-
thorized 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. The following
are located on the lower control panel.
• Start switch
• Emergency stop button
• Control switch
• Ground operation switch
• Rotation switch
• Boom elevation switch
• Boom extend/retract switch
• Jib articulation switch
• Platform level switch
• Platform rotation switch
• Engine/emergency power switch
• Throttle switch
• Fuel switch (dual fuel machines)
Figure 6.2 – Lower Controls
Start Switch
The start switch works like an automobile ignition switch.
Hold it in the start position until the engine starts, then
release it to on. If the engine dies, the key must be turned
to off before it will go back to start.
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.
Control Switch
Use the control switch to select between lower control
and upper control operation. Place the switch in the plat-
form position to operate the aerial platform from the up-
per controls and in the ground position for lower controls
operation.
Battery Disconnect Switch