Test The Emergency Stop Buttons; Test The Ground Control Override; Test The Platform Self-Leveling - Genie S-80 Service Manual

Section 4 - Scheduled Maintenance Procedures
TABLE B PROCEDURES
B-14

Test the Emergency Stop Buttons

Properly functioning Emergency Stop buttons
are essential for safe machine operation. An
improperly operating Emergency Stop button
will fail to shut off power and stop all machine
functions, resulting in a hazardous situation for
ground and platform personnel.
As a safety feature, selecting
and operating the ground controls
will override the platform controls,
including the Emergency Stop
button.
1 Start the engine from the ground controls.
2 Push down the Emergency Stop button to the
position.
OFF
Result: The engine should shut off and no
machine functions should operate.
Deutz Diesel models: All functions
should stop immediately. The
engine will shut off after 2 to 3
seconds.
3 Start the engine from the platform controls.
4 Push down the Emergency Stop button to the
position.
OFF
Result: The engine should shut off and no
machine functions should operate.
The ground Emergency Stop
button will stop all machine
operation, even if the key switch
is switched to platform control.
4 - 20
B-15

Test the Ground Control Override

A properly functioning ground control override is
essential to safe machine operation. The ground
control override function is intended to allow
ground personnel to operate the machine from the
ground controls whether or not the Emergency
Stop button on the platform controls is in the
position. This function is particularly useful if
OFF
the operator at the platform controls cannot return
the boom to the stowed position.
1 Push in the platform Emergency Stop button
to the
2 Start the engine from the ground controls.
3 Operate each boom function through a
partial cycle.
Result: All boom functions should operate.
B-16

Test the Platform Self-leveling

Automatic platform self-leveling throughout
the full cycle of boom raising and lowering is
essential for safe machine operation. The
platform is maintained at level by the platform
leveling slave cylinder which is controlled by the
master cylinder located at the base of the boom.
A platform self-leveling failure creates an unsafe
working condition for platform and
ground personnel.
1 Start the engine from the ground controls, then
extend the axles and lower the boom into the
stowed position.
2 Adjust the platform to a level position using the
platform leveling switch.
3 Raise and lower the boom through
a full cycle.
Result: The platform should remain level at
all times to within ±5 degrees.
Genie S-80 & Genie S-85
Service Manual - First Edition
position.
OFF
or
ON
Part No. 34032