Snorkel TB47J CE User Manual download pdf (Page 54)

Chapter 10 – Emergency Operation

50 TB47J – 0075239EE

Figure 10.4 – Platform Foot Switch

5. Hold the engine/emergency power switch in the emer-

gency power position.

6. Hold the appropriate function toggle switch in the

desired direction.

Emergency Lowering

The main boom can be lowered in an emergency using

the emergency lowering knob at the base of the lift cylin-

der. The emergency lowering knob allows the main boom

to be lowered only. Only use this method if the engine

will not start and the emergency power system will not

work.

ADanger

Pinch points exist between boom components and

between the booms and turntable. Death or serious

injury will result if the booms or platform lowers

onto personnel. Make sure all personnel stand clear

while lowering the booms.

Use the following procedure to manually lower the main

boom.

1. Slowly turn the knob (refer to Figure 10.5) to open

the bleed down valve. Control the rate of descent by

turning the knob.

Figure 10.5 – Emergency Lowering Knob

AWarning

The potential for an accident increases when safety

devices do not function properly. Death or serious

injury can result from such accidents. Fully close

the emergency lowering knob before operating the

aerial platform.

2. Turn the knob to close the cylinder bleed down valve.

Towing

The aerial platform may be towed at slow speeds using

the optional tow kit. The tow vehicle must have sufficient

capacity to safely tow and stop itself and the aerial plat-

form on the steepest grade and type of surface that may

be encountered. Refer to Chapter 2 for the gross vehicle

weight of the aerial platform.

Emergency

Lowering Knob

Figure 10.3 – Upper Controls

Platform Foot

Switch

Top Front

Start Switch

Emergency Stop Engine/Emergency

Power Switch

Drive/Boom

Selector

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Snorkel TB47J CE User Manual Page 54

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