SECTION 2 - USER RESPONSIBILITIES, MACHINE PREPARATION AND INSPECTION
2-8
– JLG Lift –
3121272
2.5
FUNCTION CHECK
Perform the Function Check as follows:
1.
From the
Ground Control Panel
with no load in the
platform:
a.
Ensure that the key selector switch and the plat-
form lift switch operates properly.
b.
Ensure that all machine functions are disabled
when the Emergency Stop Button is depressed.
c.
With platform raised a few feet (1m), ensure that
the manual descent control
(located at the right
rear of the machine),
lowers the platform properly.
2.
From the
Platform Control Console
:
a.
Ensure that the control console is firmly secured
in the proper location.
b.
Ensure that all guards protecting switches are in
place.
c.
Operate all functions, drive/lift mode select
switch, and horn button.
d.
Operate all platform joystick functions to ensure
proper operation of drive, lift, steer, and enable
trigger switch operation.
e.
With the platform elevated on a smooth, firm,
level surface with no overhead obstructions, drive
the machine to check if the high drive cutout
speed-limit is engaged at the height indicated in
Table 2-2. Ensure drive speed is reduced from a
top speed to a slower speed. Limit switch loca-
tions shown in Figure 2-2. on page 2-9.
f.
Ensure that all machine functions are disabled
when the platform Emergency Stop Button is
depressed.
3.
With the platform in the transport (stowed) position.
a.
Drive the machine on a grade, not to exceed the
rated gradeability, and stop to ensure the drive
motor brakes hold.
b.
Check the tilt indicator light/alarm to ensure
proper operation. The light/alarm should be acti-
vated, and lift up disabled when tilted at or
beyond the values in Table 2-3.
NOTE:
When the tilt indicator warning is activated the following
functions are affected; drive and lift up functions are dis-
Table 2-2. High Drive Cutout Height
MODEL
HIGH DRIVE SPEED
CUTOUT HEIGHT
DRIVE SPEED REDUCTION
1932RS/6RS
68.9 in. (1.75m)
2.5 mph (4 kph) to
0.3 mph (0.5 kph)
3248RS/10RS
88.5 in. (2.25 m)
