JLG 740AJ ANSI Operator Manual - Manual (Page 39)

SECTION 2 - USER RESPONSIBILITIES, MACHINE PREPARATION, AND INSPECTION
3121650 – JLG Lift – 2-13
DISCONTINUE OPERATION IF THE CAPACITY INDICATOR SYSTEM DOES NOT OPERATE
PROPERLY.
6. Drive forward and reverse; check for proper operation.
7. Steer left and right; check for proper operation.
8. Check the high-drive cutout for the tower boom assembly as
follows:
a. Place machine on level surface with booms retracted
and lowered.
b. From the platform control, position Drive Speed/Torque
Select switch to Fast (Forward Position).
c. Using extreme caution, partially position the DRIVE
control to Forward just enough to cause the machine to
move.
d. Raise the Tower Boom until the drive speed shifts from
high speed to slow or creep speed. The bottom of the
upright should NOT be above the hood level of the
machine.
9. Check the high-drive cutout for the main boom assembly as
follows:
a. Place machine on level surface with booms retracted
and lowered.
b. From the platform control, position Drive Speed/Torque
Select switch to Fast (Forward Position).
c. Raise the main boom above horizontal.
d. Using extreme caution, partially position the Drive con-
trol to Forward just enough to cause the machine to
move. The drive speed should be in slow or creep
mode.
10. Swing turntable to Left and Right a minimum of 45 degrees.
Check for smooth motion.
NOTE: Ensure the turntable lock is disengaged. To disengage 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.