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Chapter 8 – Operation
Caution
Not all hydraulic fluid is suitable to use in the hydrau-
lic system. Some have poor lubricating character-
istics and may increase component wear. Only use
hydraulic fluid as recommended.
Use cold weather hydraulic oil as recommended in the
machine General Specifications in temperatures of 10°F
(-12°C) or below.
Preparing for Operation
Use the following procedure to prepare the aerial platform
for operation.
1. Perform a prestart inspection as described in Chapter 7.
2. Place the battery disconnect switch in the on position.
3. Close and latch the cowling doors.
Lower Controls
The lower controls override the upper controls. This
means that the lower controls can always be used to
operate the platform regardless of the position of the
upper control emergency stop button.
Boom, turntable, and platform functions may be operated
from the lower controls. The lower controls may be used
for initial set up of the aerial platform, and for testing and
inspection.
Use the following procedure to operate boom, turntable,
or platform functions using the lower controls.
1. Pull the emergency stop button (refer to Figure 8.1)
outward and place the control selector switch in the
lower control position.
Platform Capacity
Indicator Lights
Controls Selector Switch
lb
kg
Platform Overload/
Tilt Warning Light
Start/Emergency Power/
Ground Operation Switch
Figure 8.1 – Lower Controls
48
2. The start switch (refer to Figure 8.1) function works
An alarm sounds when the switch is turned on to warn
others that the machine engine is being started.
• Before starting the engine, check the Diagnostic
• Do not start the engine until the wait message is no
• If the engine turns over but does not start while the
• Hold the switch downward until the engine starts, then
• If the engine dies, the controls switch must be turned
3. Hold the ground operation switch upward while oper-
Note
If a machine function is not operated within 10 seconds of
activating the ground operation switch, no functions will
operate until the switch is released and again placed in
the enable position.
4. Hold the appropriate toggle switch in the desired direction.
5. Release the toggle switch to stop movement.
6. Release the ground operation switch to the off posi-
1000 lbs
600 lbs
454 kg
272 kg
Upper Controls
The upper controls may be used for driving the aerial
platform and positioning the booms and platform while
on the job.
Use the following procedure to operate machine functions
using the upper controls.
1. At the lower controls, pull the emergency stop button
2. Enter the platform and securely close the gate.
3. Attach the fall protection lanyard to one of the anchor
Emergency
Stop Button
4. Pull the emergency stop outward (refer to Figure 8.2).
1434747 _REV A
like an automobile ignition switch.
Center LCD display window. WAIT TO START will be
displayed if the engine is cold and the engine heater
is on. The message may appear for 1 to 12 seconds,
depending on the engine and ambient air temperature.
longer displayed.
WAIT TO START message is displayed, turn the
control selector switch to the middle/off position and
back to the lower controls position. Do not start the
engine until the wait message is no longer displayed.
release it to on.
to off before the engine can be restarted.
ating the boom and turntable control toggle switches.
tion when no functions are being operated.
outward and place the control selector switch in the
upper control position.
points.
460SJ – 1433685
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