Snorkel TB126J CE - Manual (Page 57)

TB126J – 0192117EE 53
If the main hydraulic system fails, the aerial platform
may be lowered and stowed using the emergency
power system. The main boom may be lowered using
the emergency bleed down system. The machine may
be towed if the drive system fails. Refer to Emergency
Power System, Emergency Lowering or Towing for the
appropriate procedure.
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
lowering and stowing only. The length of time the
pump can be operated depends on the capacity
of the battery. 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 10.1).
Figure 10.1 – Battery Disconnect Switch
2. Place the key in the control selector switch (refer to
Figure 10.2) and turn the control switch to the lower
controls position.
3. Pull the emergency stop button outward.
4. Hold the ground operation switch in the on position
while holding the engine/emergency power switch
in the emergency power position.
5. Hold the appropriate function toggle switch in the
desired direction.
Chapter 10 – Emergency Operation
Figure 10.2 – Lower Controls
Upper Controls
For the upper controls to be operational:
• the battery disconnect switch must be in the on
position.
• the control selector 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 10.3).
2. Turn the start switch on.
3. Place the drive/boom selector switch in the appropri-
ate position.
4. Step down on the platform foot switch (refer to Figure
10.4).
Battery Disconnect Switch
Ground
Operation Start
Button
Emergency
Stop Button
Engine/
Emergency
Power
Control
Selector