JLG 800A_AJ Operator Manual - Manual (Page 72)

SECTION 4 - MACHINE OPERATION
4-10 – JLG Lift – 3121209
4.8 BOOM
(See Figure 4-2.)
AN ORANGE TILT ALARM WARNING LIGHT, LOCATED ON THE CONTROL
CONSOLE, LIGHTS WHEN THE CHASSIS IS ON A SEVERE SLOPE. DO
NOT SWING, EXTEND OR RAISE MAIN BOOM ABOVE HORIZONTAL
WHEN LIT.
DO NOT DEPEND ON TILT ALARM AS A LEVEL INDICATOR FOR THE
CHASSIS. CHASSIS MUST BE LEVEL BEFORE SWINGING, EXTENDING
OR RAISING TOWER BOOM ABOVE HORIZONTAL.
TO AVOID UPSET, IF ORANGE TILT ALARM WARNING LIGHT LIGHTS
WHEN MAIN BOOM IS EXTENDED OR RAISED ABOVE HORIZONTAL,
RETRACT AND LOWER PLATFORM TO NEAR GROUND LEVEL. THEN
REPOSITION MACHINE SO THAT CHASSIS IS LEVEL BEFORE EXTEND-
ING OR RAISING MAIN BOOM.
TRAVELING WITH MAIN BOOM RETRACTED AND BELOW HORIZONTAL
IS PERMITTED ON GRADES AND SIDE SLOPES SPECIFIED ON THE
SERIAL NUMBER PLACARD.
TO AVOID SERIOUS INJURY, DO NOT OPERATE MACHINERY IF ANY
CONTROL LEVERS OR TOGGLE SWITCHES CONTROLLING PLATFORM
MOVEMENT DO NOT RETURN TO THE OFF OR NEUTRAL POSITION
WHEN RELEASED.
TO AVOID A COLLISION AND INJURY IF PLATFORM DOES NOT STOP
WHEN A CONTROL SWITCH OR LEVER IS RELEASED, REMOVE FOOT
FROM FOOTSWITCH OR USE EMERGENCY STOP TO STOP THE
MACHINE.
Swinging the Boom
ASSURE THAT TURNTABLE LOCK IS DISENGAGED BEFORE STARTING
ANY SWING OPERATION.
Depress footswitch. To swing boom, position SWING control
switch or controller to RIGHT or LEFT for direction desired.