JLG 800A_AJ Operator Manual - Manual (Page 42)

SECTION 2 - USER RESPONSIBILITIES, MACHINE PREPARATION, AND INSPECTION
2-16 – JLG Lift – 3121627
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 operate.
2.4 OSCILLATING AXLE LOCKOUT TEST (IF EQUIPPED )
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.
5. Carefully activate Swing control lever and position boom
over Right side of machine.
6. With boom over right side of machine, place Drive control
lever to Reverse and drive machine off of block and ramp.
7. Have an assistant check to see that left front or right rear
wheel remains elevated in position off of ground.