JLG 510AJ Operator Manual - Manual (Page 62)

SECTION 4 - MACHINE OPERATION
4-8 – JLG Lift – 3121179
4.7 BOOM
DO NOT SWING OR RAISE BOOM ABOVE HORIZONTAL WHEN
MACHINE IS OUT OF LEVEL.
DO NOT DEPEND ON TILT ALARM AS A LEVEL INDICATOR FOR THE
CHASSIS.
TO AVOID SERIOUS INJURY, DO NOT OPERATE MACHINE IF ANY CON-
TROL LEVER OR TOGGLE SWITCH CONTROLLING PLATFORM MOVE-
MENT DOES NOT RETURN TO THE ‘OFF’ OR NEUTRAL POSITION WHEN
RELEASED.
IF THE PLATFORM DOES NOT STOP WHEN A CONTROL SWITCH OR
LEVER IS RELEASED, REMOVE FOOT FROM FOOTSWITCH OR USE
EMERGENCY STOP SWITCH TO STOP THE MACHINE.
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
EQUIPMENT.
Raising and Lowering the Lower and Mid Boom
To raise or lower the Lower Boom, use Lower Boom Lift
switch to select UP or DOWN movement.
Raising and Lowering the Main (Upper) Boom
To raise or lower the Upper Boom, use Upper Boom Lift
switch to select UP or DOWN movement.
Telescoping the Main Boom
To extend or retract the main boom, use the Main Telescope
Control Switch to select IN or OUT movement.