Danger – Snorkel S3219E-sn000017+ User Manual

Page 28

Chapter 8 – Prestart Inspection

S3219E/S4732E – 1500834

Diagnostic Center Display

To test the diagnostic center display in the con-

trol valve tray (refer to Figure 8.7), from the lower

controls:

1. Turn the battery disconnect switch to the on posi-

tion.

2. Pull the emergency stop button outward to the on

position.

3. The display on the LCD screen should indicate:

The accumulated aerial platform operating

time.

The available battery power to operate the ma-

chine.

Tires and Wheels

Visually inspect the tires and wheels (refer to Figure 8.8)

to make sure they are suitable for service.

Figure 8.8 – Tires and Wheels

To inspect the tires and wheels:

1. Visually inspect the tires. They should be smooth

without any cuts, gouges, or missing rubber that

might affect aerial platform stability.

2. Check the wheels to see that the fasteners are in

place and are not damaged or loose.

Ground Strap

Make certain the ground strap (refer to Figure 8.9) is se-

curely fastened to the chassis. It should be long enough

to contact the ground surface to eliminate static electricity

from the machine.



Figure 8.9 – Rear of Chassis

Lower Control Station

With no personnel or materials in the platform, test the

operation of each control from the lower controls (refer

to Figure 8.10).

Figure 8.10 – Lower Controls

Operating Controls

Use the following procedure to operate and test the ma-

chine from the lower controls:

1. Turn the battery disconnect switch on.

2. At the lower controls, pull the emergency stop switch

outward to the on position.

3. Hold the control select/ground operation switch

downward in the lower controls position.

Danger

Pinch points may exist between moving components.

Death or serious injury will result from becoming

trapped between components, buildings, structures,

or other obstacles. Make sure all personnel stand

clear of the aerial platform while performing the pre-

start inspection.

1500438

Ground Strap

Emergency

Stop Button

Platform

Raise/Lower Switch

Control

Select/Ground

Operation Switch