Snorkel AB46JRT - Manual (Page 21)

AB46JRT – 0260071 17
Lower Controls
The lower controls (refer to Figure 6.2) are located on the
left side of the turntable. Boom and platform functions can
be operated from the lower controls. The following are
located on the lower control panel:
• Preheat button
• Start switch
• Emergency stop button
• Controls selector switch
• Ground operation switch
• Rotation switch
• Riser switch
• Boom elevation switch
• Boom extension switch
• Jib articulation switch
• Platform level switch
• Platform rotation switch
• Engine/Emergency power switch
• Hydraulic system warm-up switch (option)
Preheat Button
The preheat button (refer to Figure 6.2) is a two-position,
black push button. This button operates the glow plugs
to aid in starting the engine when the start switch is in
the on position.
• When the engine is warmed up or the ambient tem-
perature is above 50°F (10°C), it is not necessary to
operate the glow plugs before starting the engine.
• When the ambient temperature range is 50°F (10°C)
to 23°F (-5°C), press and hold the preheat button for
five seconds before starting the engine.
• When the ambient temperature is below 23°F (-5°C),
press and hold the preheat button for ten seconds
before starting the engine.
Start Switch
The start switch (refer to Figure 6.2) works like an auto-
mobile 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.
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 start switch to off to shut off the engine and
save fuel.
Chapter 6 – Controls
A
Danger
Pinch points may exist between moving components.
Death or serious injury will result from becoming
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 at the left rear of the
chassis (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 con-
nect the battery to the electrical system.
A
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.
• Lock the battery disconnect switch in the off position
to prevent unauthorized use of the aerial platform.
Battery Disconnect Switch