Danger – Snorkel TB47J User Manual

Page 36

Advertising
background image

Chapter 7 – Prestart Inspection

32

TB47J – 0075182

Inspect the optional swinging gate to see that it swings

freely, closes firmly, and is not deformed in any way. Make

sure the spring closes and secures the gate when the

gate is closed.

Lanyard Anchors

There are two lanyard anchors below the upper control

panel (refer to Figure 7.19).

Visually inspect the lanyard anchors to make sure they

are in place, are not deformed and are securely fastened

to the platform.

Operating Controls

Use the following procedure to operate the machine from

the upper controls.

1. Turn the battery disconnect switch on.

2. At the lower controls, place the emergency stop

switch and the master switch in the on position. Place

the control selector switch in the platform position.

3. At the upper controls (refer to Figure 7.20), pull the

emergency stop button out.

Figure 7.20 – Upper Controls

4. Turn the master start switch on the front of the upper

control panel to start until the engine starts, then

release it.

5. Let the engine warm to operating temperature.

A

Danger

Pinch points may exist between moving compo-

nents. Death or serious injury will result from be-

coming trapped between components, buildings,

structures, or other obstacles. Make sure all person-

nel stand clear of the aerial platform while perform-

ing the prestart inspection.

6. Test the platform foot switch by moving a boom func-

tion switch without stepping on the foot switch. If

Figure 7.18 – Inside Turntable

Inspect the rotation bearing bolts to ensure that none are

missing, damaged, or loose.

Upper Control Station

Inspect the platform and upper controls only if all func-

tions operated properly from the lower controls.

Guardrail System

The guardrail system (refer to Figure 7.19) includes the

top rail, mid rail, toeboards and a gravity gate or optional

swinging gate.

Figure 7.19 – Guardrail System

Inspect all components of the guardrail system. The rails

and toeboards must all be in place and free of any dam-

age or deformation. Visually check the rail and toeboard

welds for cracks. All bolts and nuts fastening the plat-

form in place must be present and not show any signs of

looseness.

Inspect the gravity gate to be sure it is present, is not

damaged, and moves freely.

Engine

Throttle

Platform

Level

Engine/Emergency

Power

Drive Joystick

Boom Joystick

Boom Extend/

Retract Switch

Drive

Range

Speed

Knob

Platform Rotate

Jib Switch

Rotation Bearing Bolts

Platform Foot

Switch

Mid Rail

Toeboard

Lanyard

Anchors

Gravity

Gate

Top Rail

Advertising