JLG 9MP Operator Manual - Manual (Page 17)

SECTION 2 - PREPARATION AND INSPECTION
3121162 – JLG Lift – 2-5
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 PERSONNEL. DO NOT OPERATE THE
MACHINE UNTIL IT IS DECLARED SAFE FOR OPERATION.
Perform a Function Check as follows:
1. Ground Controls:
a. Turn on the main power key switch.
b. Set the floor stop.
c. Ensure that all machine functions are disabled
when the emergency stop button on the ground
control station is activated.
d. Enter the platform and raise the platform a few
feet. Have an assistant lower the platform to
check that the manual descent control valve is
operating properly. (Located under rear of
machine)
2. Platform Controls:
a. Ensure that the platform controls are properly
mounted and secure.
b. With floor stop set, raise and lower platform 2 ft.
to 3 ft. (.61m to .92 m) several times. Check for
smooth elevation and lowering of platform.
c. Disengage the floor stop and ensure the plat-
form does not elevate without the floor stop set.
d. Ensure that all machine functions are disabled
when the platform emergency stop button is
activated.