JLG 740AJ ANSI Operator Manual User Manual
Page 40
SECTION 2 - USER RESPONSIBILITIES, MACHINE PREPARATION, AND INSPECTION
2-14
– JLG Lift –
3121650
11.
Check the Tilt Alarm and Warning System as follows:
IF THE TILT ALARM AND WARNING SYSTEM DOES NOT OPERATE PROPERLY, DISCON-
TINUE OPERATION. CONTACT A QUALIFIED SERVICE TECHNICIAN TO CORRECT THE
MALFUNCTION BEFORE OPERATING THE MACHINE.
With the platform in the transport position (tower base
boom lowered, main fly boom retracted, and main base
boom below horizontal) drive up a suitable ramp of at least
5° slope. The tilt indicator light on the platform control con-
sole should illuminate.
12.
Check that the platform automatically levels properly during
raising and lowering of the boom.
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.