JLG M400 Operator Manual - Manual (Page 56)

SECTION 4 - MACHINE OPERATION
4-10 – JLG Lift – 3121215
4.7 BOOM
A RED TILT WARNING LIGHT IS LOCATED ON THE CONTROL CONSOLE
WHICH LIGHTS WHEN THE CHASSIS IS ON A 5 DEGREE OR GREATER
SLOPE. DO NOT SWING OR RAISE BOOM ABOVE HORIZONTAL WHEN
LIGHT IS LIT.
DO NOT DEPEND ON TILT ALARM AS A LEVEL INDICATOR FOR THE
CHASSIS. TILT ALARM INDICATES CHASSIS IS ON A SEVERE SLOPE (5
DEGREE OR GREATER). CHASSIS MUST BE LEVEL BEFORE SWING-
ING, OR RAISING BOOM ABOVE HORIZONTAL.
TO AVOID UPSET IF RED TILT WARNING LIGHT LIGHTS WHEN BOOM IS
RAISED ABOVE HORIZONTAL, LOWER PLATFORM TO GROUND LEVEL.
THEN REPOSITION MACHINE SO THAT CHASSIS IS LEVEL BEFORE
RAISING BOOM.
TRAVELING WITH BOOM BELOW HORIZONTAL IS PERMITTED ON
GRADES NOT EXCEEDING THOSE SPECIFIED ON THE SERIAL NUMBER
PLATE.
TO AVOID SERIOUS INJURY, DO NOT OPERATE MACHINERY IF ANY
CONTROL LEVER OR TOGGLE SWITCH CONTROLLING PLATFORM
MOVEMENT DOES 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 SWITCH TO STOP
THE MACHINE.
Swinging the Boom
Depress footswitch to swing boom, with footswitch activated,
position SWING control switch to RIGHT or LEFT for direc-
tion desired.
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
Depress footswitch to raise or lower the Lower and Mid
Boom, with footswitch activated, position Lower Boom Lift
switch to UP or DOWN as desired.