JLG 800A Operation And Safety Manual page 43

13. Check that the platform level override operates properly.
14. Check platform rotator for smooth operation and assure
platform will rotate 90 degrees in both directions from cen-
terline of boom.
15. If equipped with 4-wheel steer, check rear steer left and right
for proper operation.
16. If equipped, raise and lower the articulating jib boom. Check
for smooth operation.
17. If equipped with Auxiliary Power, operate each function con-
trol switch to assure that they function in both directions
using auxiliary power instead of engine power.
18. Ground Controls - Place GROUND/PLATFORM SELECT switch
to GROUND. Start engine. Platform controls should not oper-
ate.
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SECTION 2 - USER RESPONSIBILITIES, MACHINE PREPARATION, AND INSPECTION
– JLG Lift –
2.4 OSCILLATING AXLE LOCKOUT TEST
LOCKOUT SYSTEM TEST MUST BE PERFORMED QUARTERLY, ANY TIME A SYSTEM COM-
PONENT IS REPLACED, OR WHEN IMPROPER SYSTEM OPERATION IS SUSPECTED.
NOTE: Ensure boom is fully retracted, lowered, and centered between
drive wheels prior to beginning lockout cylinder test.
1. Place a 6 inch (15.2 cm) high block with ascension ramp in
front of left front wheel.
2. From platform control station, start engine.
3. Position DRIVE SPEED/TORQUE SELECT SWITCH to SLOW.
4. Place DRIVE control lever to FORWARD position and carefully
drive machine up ascension ramp until left front wheel is on
top of block.
)
(IF EQUIPPED
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