Operator's Manual First Edition • First Printing
22 GRC-12 Part No. 133136
Test the Function Enable Switch
16 Do not hold the function enable switch on the
control handle.
17 Slowly move the control handle in the direction
indicated by the blue arrow, then in the direction
indicated by the yellow arrow.
Result: No functions should operate.
Test the Up/Down Functions
18 Press the lift function select
button.
19 Press and hold the function
enable switch on the control
handle.
20 Slowly move the control handle in the direction
indicated by the blue arrow.
Result: The platform should raise. The pothole
guards should deploy.
21 Release the control handle.
Result: The platform should stop raising.
22 Press and hold the function enable switch.
Slowly move the control handle in the direction
indicated by the yellow arrow.
Result: The platform should lower. The descent
alarm should sound while the platform is
lowering.
When lowering the platform, the platform should
stop when it is approximately 2.1 m from the
ground. Be sure the area below the platform is
clear of personnel and obstructions before
continuing. To continue lowering, release the
control handle, wait 5 seconds, then move the
control handle again.
Test the Steering
Note: When performing the steer and drive function
tests, stand in the platform facing the steer end of
the machine.
23 Press the drive function select
switch.
24 Press and hold the function
enable switch on the control
handle.
25 Depress the thumb rocker switch on top of the
control handle in the direction indicated by the
blue triangle on the control panel.
Result: The steer wheels should turn in the
direction that the blue triangle points on the
control panel.
26 Depress the thumb rocker switch in the
direction indicated by the yellow triangle on the
control panel.
Result: The steer wheels should turn in the
direction that the yellow triangle points on the
control panel.
Inspections
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