Boom - JLG 800A Operation And Safety Manual

SECTION 4 - MACHINE OPERATION
4.8

BOOM

(See Figure 4-2.)
AN ORANGE TILT ALARM WARNING LIGHT, LOCATED ON THE CON-
TROL CONSOLE, LIGHTS WHEN THE CHASSIS IS ON A SEVERE SLOPE
(5 DEGREES OR GREATER). 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. TILT ALARM INDICATES CHASSIS IS ON A SEVERE SLOPE (5
DEGREES OR GREATER). CHASSIS MUST BE LEVEL BEFORE SWING-
ING, 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.
4-10
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.
– JLG Lift – 3121209