Chapter 10. emergency operation, Emergency power system 10-1, Lower controls 10-1 – Snorkel TB37 2001 User Manual
Page 47: Upper controls 10-1, Emergency operation, 10-1, Emergency power system, 10-1, Hydraulic system failure, 10-1, Emergency power, 10-1, Emergency power system -1, Lower controls -1 upper controls -1
Chapter 10. Emergency Operation
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 lowering knob. 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.
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 oper-
ation.
Only use the emergency power system if the main
power system fails.
Lower Controls
Use the following procedure to operate the machine us-
ing the emergency power system from the lower con-
trols.
1. Place the battery disconnect switch in the on posi-
tion (refer to Figure 10.1).
Figure 10.1—Battery Disconnect Switch
2. Place the key in the master switch (refer to Figure
10.2) and turn the start switch on.
Figure 10.2—Lower Controls
3. Place the emergency stop switch in the on position.
4. Place the controls switch in the ground position.
5. Hold the ground controls switch in the on position
while holding the engine/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 master switch at the lower controls must be
turned on.
●
the emergency stop button at the lower controls
must be in the on position.
●
the controls switch at the lower controls must be in
the platform position.
Use the following procedure to operate the machine us-
ing the emergency power system from the upper con-
trols.
1. Pull the emergency stop button out (refer to Figure
10.3).
2. Turn the anti-restart switch on.
3. Step down on the platform foot switch (refer to Fig-
ure 10.4).
TB37 – 0172094
page 10 - 1
CAUTION
Emergency
Stop Switch
Emergency
Power Switch
Ground Controls
Switch
Start Switch
Controls Switch