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Chapter 6 – controls, Danger, Caution – Snorkel AB85RJ User Manual

Page 23

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AB85RJ – 0421533

19

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.

• Start button
• Emergency stop button
• Controls selector switch
• Ground operation switch
• Rotation switch
• Riser switch
• Boom elevation switch
• Boom extension switch
• Boom speed knob
• Jib rotation switch – AB85RJ only
• Jib articulation switch
• Platform level switch
• Platform rotation switch
• Engine/Emergency power switch
• Engine speed switch
• Fuel switch (dual fuel machines)
• Manifold air inlet heater (option for Deutz engines)
• Hydraulic system warm-up switch (option)

Start Switch
The start switch (refer to Figure 6.2) works like an au-
tomobile ignition switch. Push the start button until the
engine starts, then release it to on. If the engine dies,
the control 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 (refer to Figure 6.2) is a two-position,
red push button. Push the button in to disconnect power to
all control circuits. Pull the button out to restore power.

Controls Selector Switch
Use the controls switch (refer to Figure 6.2) to select
between off, lower control, and upper control operation.
Insert the key in the switch and turn the switch to the up-
per 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 ground operation switch (refer to Figure 6.2)
upward continually to operate the machine from the
lower controls. The engine speed increases when the
switch is held upward. This switch is spring returned to
the off position.

Rotation Switch
The rotation switch (refer to Figure 6.2) is used to rotate
the turntable in a clockwise or counterclockwise direction.
The switch is spring returned to the center off position.

Chapter 6 – Controls

A

Danger

Pinch points may exist between moving components.
Death or serious injury can 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. Drive controls are located on the
upper control panel only.

Battery Disconnect Switch

The battery disconnect is located behind the door on the
right side of the turntable in front of 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.

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 positioin to
prevent unauthorized use of the aerial platform.

Battery Disconnect Switch