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Warning, Chapter 4 – safety devices – Snorkel TB85J CE User Manual

Page 19

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TB80/TB85J – 0112622EE

15

This aerial work platform is manufactured with safety de-

vices, placards, and decals to reduce the likelihood of an

accident. For the safety of all personnel, do not disable,

modify, or ignore any safety device. Safety devices are

included in the daily prestart inspection.

A

Warning

The potential for an accident increases when safety

devices do not function properly. Death or serious

injury can result from such accidents. Do not alter,

disable, or override any safety device.

If any safety devices are defective, remove the aerial plat-

form from service until qualified maintenance personnel

can make repairs.

Emergency Stop Controls

There is an emergency stop control at the lower and up-

per controls.

At the lower controls, the emergency stop is a two-posi-

tion push button (refer to Figure 4.1). Push the emer-

gency stop button in to disconnect power to all control

circuits. Pull the button out to restore power.

Figure 4.1 – Lower Controls

Note

The lower controls override the upper controls. If the up-

per control emergency stop button is engaged, the lower

controls can still be used to operate the aerial platform.

At the upper controls, the emergency stop is a two-posi-

tion push button (refer to Figure 4.2).

Chapter 4 – Safety Devices

Figure 4.2 – Upper Controls

Push the emergency stop button in to disconnect power

to the upper control circuits. Pull the button out to re-

store power.

Emergency Power System

The emergency power system includes a back-up pump,

motor, and battery. Use this system to operate the boom

and turntable functions to lower the platform if the main

power system fails due to engine or pump failure.

Hold the emergency power switch (refer to Figure 4.1

and 4.2) down to activate the emergency power system.

The length of time the pump can be operated depends on

the capacity of the battery.

Emergency Lowering Knob

The emergency lowering knob may be used to lower the

booms if the engine will not start and the emergency

power system will not work. The knob is on the base end

of the main boom lift cylinder (refer to Figure 4.3) under

the left side of the turntable.

Figure 4.3 – Emergency Lowering Knob

The knob may be turned to open the cylinder bleed down

valve for emergency lowering.

Emergency

Lowering Knob

Engine/Emergency

Power Switch

Ground

Operation Switch

Emergency
Stop Button

Emergency
Stop Button

Engine/Emergency

Power Switch

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