Function Check - JLG 1200SJP Operation And Safety Manual

16. Counterweight - See Inspection Note.
17. Ground Control Console - Switches and levers return to
neutral when activated and released, decals/placards secure
and legible, control markings legible.
18. Auxiliary Hydraulic Pump - See Inspection Note.

Function Check

Perform the Function Check as follows:
1.
From the ground control panel with no load in the platform:
a. Ensure that all machine functions are disabled when
the Emergency Stop Button is pushed in.
b. Ensure all functions stop when the function switch is
released.
c. Operate all functions and check all limiting and cut-out
switches to ensure proper operation.
d. Check auxiliary power and ensure proper operation.
e. Raise main boom approximately horizontal, then
extend and retract boom sections. All boom sections
should extend/retract together at the same rate of
speed. Any difference would indicate delayed move-
ment and loose wire ropes.
31215054
SECTION 2 - USER RESPONSIBILITIES, MACHINE PREPARATION, AND INSPECTION
IF DELAYED MOVEMENT IS DETECTED IN WIRE ROPE OPERATION, LOWER PLATFORM
TO STOWED POSITION, SHUT DOWN MACHINE, AND HAVE WIRE ROPES INSPECTED/
SERVICED BY A QUALIFIED JLG MECHANIC. LOOSE OR MISADJUSTED WIRE ROPES
COULD RESULT IN SERIOUS INJURY OR DEATH.
2. Check the Boom Control System. Refer to Boom Control Sys-
tem Check Procedure below.
3.
From the platform control console:
a. Ensure the control console is firmly secured in the
proper location.
b. Check all guards protecting the switches or locks are in
place.
c. Ensure all machine functions are disabled when the
Emergency Stop Button is pushed in.
d. Ensure all machine functions stop when the footswitch
is released.
e. Operate all functions and check all limiting and cut-out
switches to ensure proper operation.
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.
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