Chapter 11 - Emergency Operation; Emergency Power System; Lower Controls; Upper Controls - Snorkel AB46JE Operator's Manual

If the main hydraulic system fails the aerial platform may
be lowered and stowed using the emergency power
system.

Emergency Power System

The emergency power system can be used to operate
the machine from the lower or upper controls.
A
Caution
The emergency power system is for emergency low-
ering and stowing only. The length of time the pump
can be operated depends on the capacity of the bat-
teries. Do not use this system for normal operation.
Only use the emergency power system if the main power
system fails.

Lower Controls

Use the following procedure to operate the machine using
the emergency power system from the lower controls.
1. Place the battery disconnect switch in the on position
(refer to Figure 11.1).
Battery Disconnect Switch Battery Disconnect Switch
Figure 11.1 – Battery Disconnect Panel
2. Place the key in the start switch (refer to Figure 11.2)
and turn the start switch to the on position.
Emergency Emergency
Stop Button Stop Button
Selector Switch Selector Switch
Start Switch Start Switch
Figure 11.2 – Lower Controls
AB46JE – 0260072
Chapter 11 – Emergency Operation
Control Control
Emergency Emergency
Power Switch Power Switch
Ground Operation Ground Operation
Switch Switch
3. Pull the emergency stop button outward.
4. Place the controls switch in the lower control position.
5. Hold the ground operation switch in the on position
while holding the emergency power switch in the
emergency power position.
6. Hold the appropriate function toggle switch in the
desired direction.

Upper Controls

For the upper controls to be operational:
• The battery disconnect switch must be in the on
position.
• The start switch at the lower controls must be turned
on.
• The emergency stop button at the lower controls must
be in the on position.
• The control selector switch at the lower controls must
be in the platform position.
Use the following procedure to operate the machine using
the emergency power system from the upper controls.
1. Pull the emergency stop button outward (refer to
Figure 11.3).
Emergency Emergency
Power Switch Power Switch
Emergency Emergency
Stop Button Stop Button
Figure 11.3 – Upper Controls
2. Step down on the platform foot switch (refer to Figure
11.4).
49