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Caution, Chapter 10 – emergency operation – Snorkel TB85J CE User Manual

Page 57

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TB80/TB85J – 0112622EE

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If the main hydraulic system fails, the aerial platform may

be lowered and stowed using the emergency power sys-

tem. The main boom may be lowered using the emer-

gency lowering knob. The machine may be towed if the

drive system fails. Refer to Emergency Power System,

Emergency Lowering, or Towing for the appropriate pro-

cedure.

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

battery. Do not use this system for normal opera-

tion.

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 controls 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. Place the controls selector switch in the lower con-

trols position.

Chapter 10 – Emergency Operation

Figure 10.2 – Lower Controls

5. Hold the ground operation 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 po-

sition.

• 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 us-

ing the emergency power system from the upper con-

trols.

1. Pull the emergency stop button outward (refer to Fig-

ure 10.3).

2. Turn the start switch on.

3. Place the drive/boom selector switch in the appropri-

ate position.

Battery Disconnect Switch

Engine/Emergency

Power Switch

Ground

Operation Switch

Emergency
Stop Button

Start Switch

Controls

Selector Switch

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