JLG 600SC_660SJC Operator Manual - Manual (Page 26)

SECTION 2 - USER RESPONSIBILITIES, MACHINE PREPARATION, AND INSPECTION
2-6 – JLG Lift – 3121156
light comes on. Boom angle must be approximately
45 to 50 degrees
Lift boom up until 1000 lb. light comes on. The
switch should reset when the boom angle is about
55 degrees to 64 degrees.
NOTE: If limit switch settings need to be changed, you will need
to recheck that the 500 lb. light comes on at 45 degrees to
50 degrees when lifting down.
4. Drive Disable Switch (Refer to Figure 2-2., Drive Func-
tion Operating Range Diagrams - Sheet 2 of 3).
a. Telescope the boom out over 40 ft. (12.2 m).
b. Manually tilt the tilt sensor.
c. Drive Disable Indicator Light should come on.
d. Retract the boom and elevate to at least 55°.
e. Manually tilt the tilt sensor.
f. The Drive Disable Indicator Light should come on
again.
5. Raise main boom, extend and retract telescope. Check
for delayed movement of fly section, indicating loose
cables.
NOTE: Turntable lock is on turntable facing platform. To disen-
gage lock, pull snap pin from lock pin, lift lock pin up to
unlock turntable. Return snap pin to lock pin to hold lock
pin in the disengaged position. Reverse procedure to
engage turntable lock.
6. Swing turntable to LEFT and RIGHT a minimum of 45
degrees. Check for smooth motion.
7. Check the chassis out of level indicator located on the
platform control console by driving, with the machine in
level position, up a suitable ramp of at least 5° slope.
Check the out of level indicator, with the machine on the
ramp. If the light does not illuminate, return the machine
to a level surface, shut down the machine, and contact a
qualified technician before resuming operation.
8. Check that platform automatic self-leveling system func-
tions properly during raising and lowering of the boom.
9. Check platform level adjustment system for proper oper-
ation.
10. Check platform rotator for smooth operation and assure
platform will rotate 90 degrees in both directions from
centerline of boom.
ANSI, ANSI Export, CSA, Japan 5°
CE, Australia 3°