Oshkosh JLG 520AJ, Operation And Safety Manual

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SECTION 2 - USER RESPONSIBILITIES, MACHINE PREPARATION, AND INSPECTION
3121664 – JLG Lift – 2-5
11. Function Check – Once the “Walk-Around” Inspection is
complete, perform a functional check of all systems in an
area free of overhead and ground level obstructions. Refer to
Section 4 for more specific operating instructions.
IF THE MACHINE DOES NOT OPERATE PROPERLY, TURN OFF THE MACHINE IMMEDI-
ATELY! REPORT THE PROBLEM TO THE PROPER MAINTENANCE PERSONNEL. DO NOT
OPERATE THE MACHINE UNTIL IT IS DECLARED SAFE FOR OPERATION.
Function Check
Perform the Function Check as follows:
1. From the ground control console with no load in the plat-
form:
a. Check that all guards protecting the switches or locks
are in place;
b. Operate all functions and ensure proper operation;
c. Check auxiliary descent and ensure proper operation;
d. Ensure that all machine functions are disabled when
the Emergency Stop Button is pushed in.
e. Ensure all boom functions stop when the function
enable switch is released.