Summit 3522a Yard Vacuum User Manual


 
3 — OPERATION
15
Display Panel
The DISPLAY PANEL is a lighted text window that
displays the present operating status or an existing
error condition when the key switch is on.
Emergency Stop Button
When pushed in, the emergency
STOP button
disconnects electrical power to the ground and
platform control stations. The emergency
STOP
pushbutton should only be pressed to immediately
stop all boom motion. To resume control, pull out the
emergency
STOP button.
Boom Extend/Retract Buttons
Pressing and holding a desired SPEED button and the
BOOM EXTEND button at the same time extends the
telescopic boom. Pressing and holding a desired
SPEED button and the BOOM RETRACT button at the
same time retracts the boom. Boom motion
continues until the buttons are released or until the
boom reaches a hard stop or a safe travel limit.
Boom Raise/Down Buttons
Pressing and holding a desired
SPEED button and the
LOWER BOOM RAISE or the UPPER BOOM RAISE button
at the same time will raise the selected boom.
Pressing a desired
SPEED button and the LOWER
BOOM DOWN
or UPPER BOOM DOWN button at the same
time will lower the selected boom. Boom motion
continues until the buttons are released or until each
boom reaches a hard stop or a safe travel limit.
Jib Raise/Down Buttons
Pressing and holding a desired
SPEED button and the
JIB RAISE button at the same time will raise the jib
boom. Pressing a desired
SPEED button and the JIB
DOWN
button at the same time will lower the jib
boom. Boom motion continues until the buttons are
released or until the jib boom reaches a hard stop or
a safe travel limit.
Boom Rotation CW/CCW Buttons
Pressing and holding a desired
SPEED button and the
BOOM ROTATION CW (clockwise) or CCW
(counterclockwise) button at the same time enables
the boom to rotate in the direction selected. The
boom will rotate through 700 degrees until the
buttons are released or the stop is reached.
Speed Buttons
The
SPEED buttons along the lower right side of the
control panel must be pressed and held while
selecting a boom function. Four speeds are
available to control the positioning of the boom lift.
Outrigger Controls
For automatic outrigger extension/retraction: Select
EXTEND or RETRACT outrigger button and the AUTO
LEVEL
button at the same time. To manually extend
or retract the outriggers: Select
EXTEND or RETRACT
outrigger button and one of the
OUTRIGGER buttons
at the same time. The outrigger indicator LEDs light
up when the outriggers are properly deployed and
the boom weight is on the outriggers. Each of the
outer outrigger LEDs indicates load is on the
outrigger footpad. Each of the inner outrigger LEDs,
when flashing, indicate that side is low and needs to
be further raised for leveling. The Auto Level LED
lights up and a buzzer sounds when the boom is
level.
Platform Tilt Buttons
Press and hold any
SPEED button and the desired
PLATFORM TILT button at the same time to level the
work platform (levels the platform only, not the boom
lift).