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Function Check
A functional check of all systems should be performed, once the
walk-around inspection is complete, in an area free of overhead
and ground level obstructions. First, using the ground controls,
check all functions controlled by the ground controls. Next, using
the platform controls, check all functions controlled by the plat-
form controls.
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.
3121713
SECTION 2 - USER RESPONSIBILITIES, MACHINE PREPARATION, AND INSPECTION
1.
Check boom limit switches. Raise and lower the Lower
Boom. Check for smooth operation.
NOTE:
Perform checks from ground controls first, then from platform
controls.
2.
Raise, extend, retract, and lower the Upper Boom. Check for
smooth operation.
3.
If tower boom does not rest on stop with machine in the
stowed position, this indicates upright is out of plumb.
4.
Telescope boom In and Out several cycles at various degrees
of elevation lengths. Check for smooth telescope operation.
5.
Swing turntable to Left and Right a minimum of 45 degrees.
Check for smooth motion.
2-9
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