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2.5
FUNCTION CHECK
Once the "Walk-Around" Inspection is complete, perform a
function check of all systems in an area free of overhead and
ground level obstructions. Refer to Section 3 for more specific
operating instructions.
IF THE MACHINE DOES NOT OPERATE PROPERLY, TURN OFF THE MACHINE
IMMEDIATELY! REPORT THE PROBLEM TO THE PROPER MAINTENANCE PER-
SONNEL. DO NOT OPERATE THE MACHINE UNTIL IT IS DECLARED SAFE FOR
OPERATION.
Perform a Function Check as follows:
1. From the ground controls with no load in the plat-
form:
a. Operate ground control functions, platform lift up and
lift down.
b. Ensure Pot-Hole-Protection device is fully engaged
(bars down on sides) when the platform is elevated (See
Figure 2-2.).
c. Ensure that all machine functions are disabled when
the Emergency Stop Button is activated.
d. Check Manual Descent Control valve is operating prop-
erly.
3121230
SECTION 2 - PREPARATION AND INSPECTION
Figure 2-2. Pot-Hole-Protection Bars Lowered.
2. From the platform control console:
a. Ensure that the control console is properly mounted
and secure.
b. Raise and lower platform 2 ft. to 3 ft. (.61m to .92 m) sev-
eral times. Check for smooth elevation and lowering of
platform.
c. Operate all functions, check all limit, cut-out, and
enable switches are functioning properly:
• Machine Brakes - Drive the machine on a grade,
(do not exceed the rated gradeability), and stop
to ensure the brakes hold.
• Tilt Warning Limit - With the platform completely
lowered, drive the machine onto a surface with a tilt
of more than 1.5° in any direction (do not exceed
rated gradeability). The machine will indicate a tilt
– JLG Lift –
2-7
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