JLG 600SC_660SJC Operator Manual - Manual (Page 65)

SECTION 4 - MACHINE OPERATION
3121156 – JLG Lift – 4-11
4.7 BOOM
A TILT ALARM WARNING LIGHT, LOCATED ON THE CONTROL 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 BOOM ABOVE HORIZONTAL.
TO AVOID UPSET, IF 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 EXTENDING OR RAIS-
ING MAIN BOOM.
TRAVELING WITH MAIN BOOM RETRACTED AND BELOW HORIZONTAL
IS PERMITTED ON GRADES AND SIDE SLOPES SPECIFIED ON CAUTION
PLACARD AT PLATFORM.
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.
NOTE: When boom functions are being operated there an inter-
lock prevents the use of DRIVE and STEER functions.
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.