JLG DVSP Series Operator Manual - Manual (Page 19)

SECTION 2 - PREPARATION AND INSPECTION
3121135 – 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. From the ground controls with no load in the plat-
form:
a. Operate ground control functions, platform lift
up and lift down.
NOTE: Ensure Pot-Hole-Protection device is fully engaged
(both bars down) when the platform is elevated.
b. Ensure that all machine functions are disabled
when the Emergency Stop Button is activated.
c. Check Manual Descent Control valve is operat-
ing properly.
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) several times. Check for smooth elevation
and lowering of platform.
c. Operate all functions and check all limit and cut-
out switches.
d. Ensure that all machine functions are disabled
when the Emergency Stop Button is activated.
3. With platform in the transport (stowed) position:
a. Drive the machine on a grade, not to exceed the
rated grade ability, and stop to ensure the
brakes hold.
b. Check the 1.5 degree tilt sensor alarm to ensure
proper operation.