Fourth Edition • Fourth Printing
Test Up/Down Functions and Function
Enable
14 Start the engine.
15 Activate the up/down rocker switch in
the direction indicated by the blue arrow.
Result: The platform should not raise.
16 Press and hold the lift function
enable button.
17 Activate the up/down rocker switch in
the direction indicated by the blue arrow.
Result: The platform should raise.
18 Press and hold the lift function enable button.
19 Activate the up/down rocker switch in the
direction indicated by the yellow arrow.
Result: The platform should lower. The
descent alarm should sound while the
platform is lowering.
Test the Steering
Note: When performing the steer and drive
function tests, stand in the platform facing the
steer end of the machine.
20 Press and hold the function enable switch
on the control handle.
21 Press 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 indicated by the blue triangle.
22 Press 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 indicated by the yellow triangle.
Operator's Manual
Inspections
Test Drive and Braking
23 Press and hold the function enable switch on
the control handle.
24 Slowly move the drive 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.
25 Press and hold the function enable switch on
the control handle.
26 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 Limited Drive Speed
27 Press and hold the lift function enable button.
Raise the platform at least 6 ft / 1.8 m.
28 Press and hold the function enable switch on
the control handle.
29 Slowly move the control handle to full drive
position.
Result: The maximum achievable drive speed
with the platform raised should not exceed
1.03 ft / 31 cm/s.
If the drive speed with the platform raised exceeds
1.03 ft / 31 cm/s, immediately tag and remove the
machine from service.
Part No. 133564 GS-3384 • GS-3390• GS-4390• GS-5390 29
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