Snorkel AB46JRT - Manual (Page 33)

Chapter 7 – Prestart Inspection
AB46JRT – 0260071 29
3. Test the air pressure with a pressure gauge to make
sure the tires are properly inflated. Check the tires
several times throughout the day to see that they are
properly inflated.
Foam Filled
Foam filled tires do not have a pressure decal or a valve
core.
To inspect foam filled tires and wheels:
1. Check the wheel lug nuts to see that none are miss-
ing, damaged, or loose.
2. Carefully inspect for large holes or cuts where foam
is coming out of the tire.
3. Look for large imbedded objects, such as angle iron,
that can rip a tire open.
Note
Punctures caused by bolts, screws, or nails are not a
problem for foam filled tires.
Lower Control Station
With no personnel in the platform, test the operation
of each control from the lower controls (refer to Figure
7.9).
Figure 7.9 – Lower Controls
Operating Controls
Use the following procedure to operate the machine from
the lower controls.
1. Turn the battery disconnect switch on.
2. At the lower controls, pull the emergency stop button
outward. Place the control selector switch in the lower
control position.
3. Insert the key into the start switch and turn the switch
to start to the on position. Operate the preheat button
if required.
• When the engine is warmed up or the ambient
temperature is above 50°F (10°C), it is not neces-
sary to operate the glow plugs before starting the
engine.
• When the ambient temperature range is 50°F
(10°C) to 23°F (-5°C), press and hold the preheat
button for five seconds before starting the engine.
• When the ambient temperature is below 23°F
(-5°C), press and hold the preheat button for ten
seconds before starting the engine.
4. Turn the start switch until the engine starts, then
release.
5. Let the engine warm to operating temperature.
6. Hold the ground operation switch upward.
A
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.
A
Warning
The potential for an accident increases when operat-
ing an aerial platform that is damaged or malfunction-
ing. Death or serious injury could result from such
accidents. Do not operate the aerial platform if it is
damaged or malfunctioning.
7. Test the operation of each function in both direc-
tions.
Note
When checking the turntable rotation function in the
counterclockwise direction, the turntable will rotate to-
ward you.
Emergency Stop
To test the emergency stop button from the lower
controls:
1. Push the emergency stop button inward to turn off
electrical power.
2. Test the lower control functions to make sure they no
longer operate.
Ground
Operation
Switch
Engine/Emergency
Power Switch Start Switch
Control Selector Switch
Emergency
Stop
Button
Preheat Button