JLG 800A_AJ Operator Manual - Manual (Page 38)

SECTION 2 - USER RESPONSIBILITIES, MACHINE PREPARATION, AND INSPECTION
2-18 – JLG Lift – 3121209
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
centerline 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
control switch to assure that they function in both direc-
tions using auxiliary power instead of engine power.
18. Ground Controls - Place GROUND/PLATFORM SELECT
switch to GROUND. Start engine. Platform controls
should not operate.
2.4 OSCILLATING AXLE LOCKOUT TEST
(IF
EQUIPPED )
LOCKOUT SYSTEM TEST MUST BE PERFORMED QUARTERLY, ANY TIME
A SYSTEM COMPONENT 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.
5. Carefully activate SWING control lever and position
boom over RIGHT side of machine.