JLG M450 Operator Manual - Manual (Page 59)

SECTION 4 - MACHINE OPERATION
3121647 – JLG Lift – 4-9
Platform Level Adjustment
1. Depress footswitch. To raise platform, position
Platform/Level control switch Up and hold
until platform is level.
2. Depress footswitch. To lower platform, posi-
tion Platform/Level control switch to Down
and hold until platform is level.
ONLY USE THE PLATFORM LEVELING OVERRIDE FUNCTION FOR SLIGHT LEVELING
OF THE PLATFORM. INCORRECT USE COULD CAUSE THE LOAD/OCCUPANT TO SHIFT OR
FALL. FAILURE TO DO SO COULD RESULT IN DEATH OR SERIOUS INJURY.
Platform Rotation
1. Depress footswitch. To rotate platform to the
left, Platform Rotate control switch is posi-
tioned to the Left and held until desired posi-
tion is reached.
2. Depress footswitch. To rotate platform to the
right, Platform Rotate control switch is posi-
tioned to the Right and held until desired position is
reached.
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 OR AUDIBLE ALARM SOUNDS.
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 SWINGING, OR RAISING BOOM ABOVE
HORIZONTAL.
TO AVOID TIP OVER 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 EMER-
GENCY STOP SWITCH TO STOP THE MACHINE.