JLG 600A_AJ Operator Manual - Manual (Page 66)

SECTION 4 - MACHINE OPERATION
4-10 – JLG Lift – 3121204
Raising and Lowering the Main Boom
To raise and lower Main Boom, position MAIN LIFT control
switch or controller to UP OR DOWN and hold until desired
height is reached.
Telescoping the Main Boom
To extend or retract Main Boom, position MAIN TELESCOPE
control switch to IN or OUT and hold until platform reaches
desired position.
4.8 SHUT DOWN AND PARK
1. Drive machine to a protected area.
2. Assure main boom is fully retracted and lowered over
rear (Drive) axle; all access panels and doors closed
and secured.
3. Remove all load and allow engine to operate 3-5 min-
utes at LOW setting to permit reduction of engine inter-
nal temperatures.
4. At Ground Controls, turn KEY SELECT switch to (center)
OFF. Position, POWER/EMERGENCY STOP switch
(down) to OFF. Remove key.
5. Cover Platform Control console to protect instruction
placards, warning decals and operating controls from
hostile environment.