JLG 1200SJP Operator Manual - Manual (Page 33)

SECTION 2 - USER RESPONSIBILITIES, MACHINE PREPARATION, AND INSPECTION
3121141 – JLG Lift – 2-5
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 panel with no load in the platform:
a. Check that all guards protecting the switches or locks
are in place;
b. Operate all functions and check all limiting and cut-out
switches;
c. Check auxiliary power (or manual descent);
d. Ensure that all machine functions are disabled when
the Emergency Stop Button is activated.
2. Check the Boom Control System. Refer to Boom Control Sys-
tem Check Procedure below.
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. Operate all functions and check all limiting and cut-out
switches;
d. Ensure that all machine functions are disabled when
the Emergency Stop Button is pushed in.
4. With the platform in the (stowed) position:
a. Drive the machine on a grade, not to exceed the rated
gradeability, and stop to ensure the brakes hold;
b. Check the tilt sensor alarm to ensure proper operation.
c. Check that the boom telescope (beyond transport
mode) and lift up (more than 15° above horizontal)
functions are disabled with the axles retracted.
5. Swing the boom over either of the rear tires and ensure that
the Drive Orientation indicator illuminates and that the
Drive Orientation Override switch must be used for the drive
function to operate.