Snorkel AB46JE - Manual (Page 53)

AB46JE – 0260072 49
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).
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.
Figure 11.2 – Lower Controls
Battery Disconnect Switch Battery Disconnect Switch
Emergency
Power Switch
Ground Operation
Switch
Emergency
Stop Button
Emergency
Power Switch
Ground Operation
Switch
Emergency
Stop Button
Control
Selector Switch
Start Switch
Control
Selector Switch
Start Switch
Chapter 11 – Emergency Operation
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).
Figure 11.3 – Upper Controls
2. Step down on the platform foot switch (refer to Figure
11.4).
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Emergency
Power Switch
Emergency
Stop Button
Emergency
Power Switch
Emergency
Stop Button