SECTION 2 - USER RESPONSIBILITIES, MACHINE PREPARATION, AND INSPECTION
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Function Check
TO AVOID SERIOUS INJURY, DO NOT OPERATE MACHINE IF ANY CONTROL LEVERS OR
TOGGLE SWITCHES CONTROLLING PLATFORM MOVEMENTS DO NOT RETURN TO THE
OFF POSITION WHEN RELEASED.
TO AVOID A COLLISION AND INJURY IF PLATFORM DOES NOT STOP WHEN A CONTROL
SWITCH OR LEVER IS RELEASED, REMOVE FOOT FROM FOOTSWITCH OR USE EMER
-
GENCY STOP TO STOP MACHINE.
Perform the Function Check as follows:
1.
From the ground control console with no load in the plat
-
form:
a.
Ensure that all machine functions are disabled when
the Emergency Stop Button is pushed in.
b.
Ensure all functions stop when the function switch is
released.
c.
Operate all functions and ensure proper operation.
d.
Ensure that all machine functions are disabled when
the Emergency Stop Button is pushed in.
e.
Raise main boom approximately horizontal, then
extend and retract boom sections. All boom sections
should extend/retract together at the same rate of
speed. Any difference would indicate delayed move
-
ment and loose wire ropes.
IF DELAYED MOVEMENT IS DETECTED IN WIRE ROPE OPERATION, LOWER PLATFORM
TO STOWED POSITION, SHUT DOWN MACHINE, AND HAVE WIRE ROPES INSPECTED/
SERVICED BY A QUALIFIED JLG MECHANIC. LOOSE OR MISADJUSTED WIRE ROPES
COULD RESULT IN SERIOUS INJURY OR DEATH.
2.
Check the Boom Control System. Refer to Boom Control Sys
-
tem Check Procedure later in this section.
3.
From the platform control console:
a.
Ensure that the control console is firmly secured in the
proper location.
b.
Check that all guards protecting the switches or locks
are in place.
c.
Ensure that all machine functions are disabled when
the Emergency Stop Button is pushed in.
d.
Ensure that all machine functions stop when the
footswitch is released.
e.
Operate all functions and ensure proper operation.
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