4 - 18
Genie Z-45/22
Part No. 29487
Service Manual - First Edition
Section 4 - Scheduled Maintenance Procedures
B-15
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 can
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
off position.
Result: The engine should be off and no
machine functions should operate.
Diesel models: All functions
should stop immediately. The
engine will shut off after 2 or 3
seconds.
3 Start the engine from the platform controls.
4 Push down the Emergency Stop button to the
off position.
Result: The engine should be 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.
ground controls whether or not the Emergency
Stop button on the platform controls is in the
on or
off position. This function is particularly useful if
the operator at the platform controls can not return
the boom to the stowed position.
1 Push in the platform Emergency Stop button to
the
off position.
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 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
B-17
Test the Oscillate Lock-out
Perform this test on oscillating
axle equipped machines only.
Proper axle oscillate lock-out when the boom is
raised is essential to safe machine operation. If
the lock-out wedges do not extend when the boom
is raised, the stability of the machine is
compromised and it may tip over.
1 From the ground controls, raise the primary
boom above the drive speed limit switch.
Oscillating axle limit switch
a
limit switch
b
oscillating lock out wedge
Result: The oscillate cylinder should extend the
lock-out wedges 3 inches (7.6cm) past the
chassis frame. The boom should stop moving
until the wedges are fully extended.
b
a
TABLE
B
PROCEDURES
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