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3 — OPERATION
3-7
WARNING
Always verify that the green outrigger LEDs light up when the outrigger feet be-
come loaded. If an outrigger LED fails to light up or lights up before the outrigger
foot becomes loaded, the limit switch or switch setting is faulty. Using the boom
lift with a faulty limit switch or switch setting can cause severe injury, death, or
damage to the equipment.
d. Push down on the rear outrigger levers (1 & 2) to lower the rear outriggers.
Lower the rear outriggers only until the rear outrigger LEDs light up on the
control panel.
e. Push down on the front outrigger levers (3 & 4) to lower the front outrig-
gers. Raise the trailer wheels off the ground. Verify that the front outrigger
LEDs light up on the control panel.
f. Watch the bubble level indicator and adjust the outriggers as needed to
level the trailer.
NOTE: An LED level switch and four outrigger position switches prevent boom
motions if the trailer is not level or if one or more outriggers is not sup-
porting the vehicle load. The load of the boom lift vehicle must be placed
on all four outriggers and the trailer must be level to enable motor-
powered boom lift operations.
7. Remove the keeper pins and transport pins that secure the upper and lower
booms. Stow the transport pins in the retainer clips provided.
8. Use the ground control station to operate the boom lift controls. Raise, lower,
and rotate the boom to get familiar with the controls. Learn to smoothly start
and stop all boom motions.
9. Lower the boom sections to position the basket for boarding. Turn the key
switch to the basket control position.
10. Raise the safety bar and enter the basket. Put on the safety harness and attach
the lanyard to the attachment position on the basket railing. Operate the boom
lift carefully.
11. When boom lift operations are complete, retract the boom and outriggers for
trailer towing according to the following procedure:
a. Using the basket control station, rotate the basket to the center position.
b. Fully retract the jib boom, the upper boom, and the lower boom.
c. Exit the basket and turn the key switch to the ground control position.
d. Retract the two rear outriggers until the trailer tires touch. Do not fully re-
tract the rear outriggers.
e. Retract the front outriggers until fully raised.
f. Retract the rear outriggers until fully raised.
g. Prior to towing, install the transport pins and keeper pins to secure the up-
per and lower booms. Refer to paragraph 3-6 for towing instructions.