Snorkel AB60J - Manual (Page 37)

Chapter 7 – Prestart Inspection
AB60J – 0181972 33
Punctures caused by bolts, screws, or nails are not a
problem for foam filled tires.
Lower Control Station
With no personnel or materials in the platform, test the
operation of each control from the lower controls (refer
to Figure 7.10).
Figure 7.10 – 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 the start position until the engine starts, then re-
lease it to on.
Note
If the machine has a GM engine, there will be a 7 to 10
second delay after starting the engine, before the throttle
will go to mid or high. Start the engine and wait 10 seconds
before proceeding with machine operation.
4. Let the engine warm to operating temperature.
5. Hold the ground operation switch upward.
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 preforming prestart
inspection.
5. The sight glass on the reservoir has an internal
thermometer to measure the fluid temperature. The
temperature should be less than 200°F (93°C).
Fluid Filter
Checking the condition of the hydraulic fluid filter is part
of the machine maintenance schedule and should not be
performed by the operator.
Hoses, Tubes, and Fittings
To inspect the hoses, tubes and fittings:
1. Inspect all hydraulic hoses, tubes, and fittings for
wear, leakage, or damage (refer to Figure 7.8).
2. Make sure the hoses are properly routed to avoid
sharp edges, kinking, and scuffing.
3. Inspect the tubes for dents or other damage that may
restrict fluid flow.
4. Make sure all hoses and tubes are held firmly in their
support brackets.
5. Check under the chassis for fluid that has leaked. Hy-
draulic fluid leaks are easily visible on the ground.
Tires and Wheels
Visually inspect the tires and wheels (refer to Figure 7.9)
to make sure they are suitable for service.
Figure 7.9 – Tires and Wheels
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
Emergency
Stop Button
Control Selector
Switch
Ground Operation
Switch
Start Switch
Engine/Emergency
Power Switch