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SECTION 2 – USER RESPONSIBILITIES, MACHINE PREPARATION, AND INSPECTION
Function Check
Refer to Sections 3 & 4 for description and operation of
machine functions.
Control Stations
1. From the Ground Control Console with no load in the
platform:
a. Operate all functions to ensure proper operation.
b. While operating a mast lift-up movement, push in all
other function buttons. Mast lift-up movement
should continue and no other movement should
occur.
c. Ensure that all machine functions are disabled
when the emergency stop button is depressed.
d. Raise the mast about one meter (3 ft.), check if the
manual descent valve lowers the mast properly
(refer to Figure 3-3. for mast manual descent valve
location).
e. Raise the jib about half a meter (2 ft.), check if the
manual descent valve lowers the jib properly (Refer
to Figure 3-4).
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2. From the Platform Control Console:
a. Ensure that the platform control console is firmly
secured.
b. Check that all guards protecting the switches are
securely in place.
c. Operate all functions including horn button to
ensure proper operation.
d. Ensure that all machine functions are disabled
when the emergency stop button is depressed.
e. Ensure all mast and jib functions stop when the
function enable button is released.
f. Ensure all drive functions stop when joystick trigger
is released.
g. With the mast elevated half a meter (2 ft.), on a
smooth, firm and level surface, drive the machine to
check if the high drive cutout speed-limit is
engaged. Drive speed will be reduced from a top
speed of 5.5 km/h to 0.75 km/h (3.40 mph to 0.45
mph) (Approx.).
h. Swing the superstructure either to the left or to the
right: when the jib is no longer over the rear axle,
the drive orientation system (DOS) indicator lights
up (Yellow).
Actuate a drive function: the drive function is dis-
abled. The DOS indicator blinks and the DOS over-
– JLG Lift –
2-7
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