JLG 800A Operation And Safety Manual page 41

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 indicator
lights change from 1000 lb. (454 kg) to 500 lb. (227 kg).
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SECTION 2 - USER RESPONSIBILITIES, MACHINE PREPARATION, AND INSPECTION
– JLG Lift –
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 Position).
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.
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