Chapter 6 - Controls; Battery Disconnect Switch; Lower Controls; Emergency Stop Button - Snorkel AB60J Operator's Manual

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 behind the door on the
left side of the turntable above the engine gauge panel
(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.
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 un-

authorized use of the aerial platform.

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.
AB60J – 0181972
Chapter 6 – Controls
Battery
Disconnect Switch
The following are located on the lower control panel:

Emergency stop button



Control selector switch



Start switch


Ground operation switch

Rotation switch

Riser boom elevation switch

Main boom elevation switch

Boom extension switch

Jib boom elevation switch

Boom speed knob

Platform level switch

Platform rotation switch

Engine/emergency power switch

Throttle switch

Fuel switch (dual fuel machines)

Hydraulic system warm-up switch (option)

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.

Control Selector Switch
Use the control selector switch (refer to Figure 6.2) to
select between the lower control and upper control op-
eration.
Push the switch upward to operate the aerial platform

from the upper controls.
Push the switch downward to operate the aerial plat-

form from the lower controls.
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.
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