Table of Contents
Advertisement
• Hold the switch to the right to extend the boom.
• Hold the switch to the left to retract the boom.
Jib Articulation Switch
The jib switch (refer to Figure 6.2) is used to raise or
lower the jib. The switch is spring returned to the center
off position.
• Hold the switch upward to raise the jib.
• Hold the switch downward to lower the jib.
Platform Level Switch
The platform level switch (refer to Figure 6.2) is used to
level the platform floor with respect to the ground. The
switch is spring returned to the center off position.
• Hold the switch upward to tilt the platform floor upward
or away from the ground.
• Hold the switch downward to tilt the platform floor
downward or toward the ground.
Platform Rotation Switch
The platform rotation switch (refer to Figure 6.2) is used
to rotate the platform relative to the end of the tip boom.
The switch is spring returned to the center off position.
• Hold the switch to the right to rotate the platform
counterclockwise.
• Hold the switch to the left to rotate the platform clockwise.
Platform Overload Warning Light
When the platform overload limit is exceeded, the horn will
sound intermittently and the platform overload light (refer
to Figure 6.2) will blink until the excess load is removed
from the platform.
Dual Platform Capacity System
There are two indicator lights on the lower control panel
(refer to Figure 6.2) that indicate whether the platform is in
the 600 lb or 1,000 lb region of the working envelope. Some
boom control functions prevent positioning the boom into a
restricted position.
Tilt Alarm
If the aerial platform chassis is out of level more than the
machine specified slope sensor alarm setting when the
main boom is raised or extended, an alarm will sound and
the tilt warning light on the lower control panels (refer to
Figure 6.2) will illuminate.
Diagnostic Center Display
The diagnostic center LCD display (refer to Figure 6.2) is
located on the left side of the lower control panel.
When the battery disconnect is in the on position and the
emergency stop button is enabled at the lower controls,
the LCD display shows:
460SJ – 1433685
• The accumulated aerial platform operating time.
• "Mode Neutral" is displayed when no functions are
being operated. When the machine is operated, the
display will indicate the name of that function.
This display is also used by service technicians to trou-
bleshoot and diagnose errors that may occur with the
machine operating system.
Hydraulic Oil Warm-Up Switch
The optional hydraulic fluid warm-up switch is used to
warm the hydraulic fluid when the ambient temperature
is below 32°F (0°C) and boom movement is sluggish
because of cold fluid.
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.
The toggle switches for the warm-up system are on the lower
control panel and on the front of the upper control panel.
Note
Machine functions are not operational while using the
hydraulic warm-up system.
To warm-up the hydraulic fluid from the lower controls:
1. Start the engine from the lower controls.
2. Place the hydraulic fluid warm-up switch in the on
position.
• The engine throttle speed will increase to warm
the hydraulic fluid.
• The engine throttle speed will decrease and
return to idle once the hydraulic fluid reaches a
preset temperature.
• If the warm-up switch is left on the engine speed
will continue to increase and decrease to keep
the hydraulic fluid at a preset temperature.
3. When the engine throttle speed returns to idle, place
the hydraulic fluid warm-up switch in the off position.
Circuit Breaker Reset Buttons
The lower control panel electrical system has a 25 amp
circuit breaker for the main control system circuit. The
reset button is on the front of the lower control panel
(refer to Figure 6.2).
Chapter 6 – Controls
25
Advertisement
Table of Contents
