JLG 800A_AJ Operator Manual - Manual (Page 36)

SECTION 2 - USER RESPONSIBILITIES, MACHINE PREPARATION, AND INSPECTION
2-16 – JLG Lift – 3121209
NOTE: Footswitch has a 7 second delay timer. If a function is not
activated within 7 seconds after depressing the foot-
switch, reset the footswitch.
3. Ensure that all machine functions are disabled when the
Emergency Stop Button is activated.
4. Check auxiliary power for proper operation. Operate
each function control switch to ensure proper operation
of the auxiliary power system.
NOTE: Step 5 is only applicable for 800A ANSI market machines.
5. If equipped with a dual capacity system, check the limit
switch as follows:
a. On a level surface with less than 500 lb (227 kg) in
the platform, raise tower base boom to maximum
angle keeping main boom horizontal.
b. Extend the main fly boom until the capacity indica-
tor lights change from 1000 lb. (454 kg) to 500 lb.
(227 kg).
c. With main boom in this position, raise the main
base boom until the capacity indicator lights
change back to the 1000 lb. (454 kg) indicator.
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-engine 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 Posi-
tion).
c. Using extreme caution, partially position the DRIVE
control to FORWARD just enough to obtain high
engine but not enough to cause the machine to
move.
d. Raise the TOWER BASE BOOM until the engine
speed shifts from high speed to mid speed. The
bottom of the upright should NOT be above the
hood level of the machine.