Genie GRC-12 Operator's Manual page 25

First Edition • First Printing
Test Drive and Braking
27 Press and hold the function enable switch.
28 Slowly move the control handle in the direction
indicated by the blue arrow on the control panel
until the machine begins to move, then return
the handle to the center position.
Result: The machine should move in the
direction that the blue arrow points on the
control panel, then come to an abrupt stop.
29 Slowly move the control handle in the direction
indicated by the yellow arrow on the control
panel until the machine begins to move, then
return the handle to the center position.
Result: The machine should move in the
direction that the yellow arrow points on the
control panel, then come to an abrupt stop.
Note: The brakes must be able to hold the machine
on any slope it is able to climb.
Test the Tilt Sensor
30 Locate the tilt sensor
located above the ground
controls panel behind the
ground controls cover.
31 Press down one side of
the tilt sensor and place
the tilt sensor test tool
under one of the posts.
Result: The alarm, located in the platform,
should sound after 1 second.
Part No. 133136
32 Test all ground and platform control functions.
Result: Before the platform is raised
approximately 30 cm, the lift function should
stop, an alarm should sound and the LED
readout should display LL.
33 Remove the tilt sensor test tool.
34 Turn the key switch to platform control.
Test Limited Drive Speed
35 Press the lift function select button.
36 Press and hold the function enable switch on
the control handle. Raise the platform
approximately 60 cm from the ground.
37 Press the drive function select button.
38 Press and hold the function enable switch on
the control handle. Slowly move the control
handle to the full drive position.
Result: The maximum achievable drive speed
with the platform raised should not exceed
20 cm per second.
If the drive speed with the platform raised exceeds
20 cm per second, immediately tag and remove the
machine from service.
GRC-12
Operator's Manual
Inspections
23