JLG 660SJ Operator Manual - Manual (Page 66)

SECTION 4 - MACHINE OPERATION
4-8 – JLG Lift – 3121205
Swinging the Boom
To swing boom, use SWING control switch to select RIGHT
or LEFT direction.
WHEN SWINGING THE BOOM MAKE SURE THERE IS AMPLE ROOM FOR
THE BOOM TO CLEAR SURROUNDING WALLS, PARTITIONS AND EQUIP-
MENT.
NOTE: When boom functions are being operated there is an
interlock that prevents the use of DRIVE and STEER func-
tions.
Raising and Lowering the Boom
To raise and lower the Boom, position LIFT control switch or
controller to UP or DOWN and hold until desired height is
reached.
Telescoping the Boom
To extend or retract the 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 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.