Platform Level Adjustment; Platform Rotation; Boom - JLG 400SJ Operation And Safety Manual

SECTION 4 - MACHINE OPERATION

Platform Level Adjustment

ONLY USE THE PLATFORM LEVELING OVERRIDE FUNCTION FOR
SLIGHT LEVELING OF THE PLATFORM. INCORRECT USE COULD
CAUSE THE LOAD/OCCUPANTS TO SHIFT OR FALL. FAILURE TO DO
SO COULD RESULT IN DEATH OR SERIOUS INJURY.
This switch is used to adjust the platform level in situations
such as ascending/descending a grade. To Level Up or
Down - Position the Platform/Level control switch Up or
Down and hold until the platform is level.

Platform Rotation

1. Depress footswitch to rotate platform to the left, PLAT-
FORM ROTATE control is positioned to the LEFT and
held until desired position is reached.
2. Depress footswitch to rotate platform to the right, PLAT-
FORM ROTATE control is positioned to the RIGHT and
held until desired position is reached.
4-10
4.8

BOOM

A 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. THE TILT ALARM INDICATES THE CHASSIS IS ON A SEVERE
SLOPE (5 DEGREE OR GREATER). CHASSIS MUST BE LEVEL BEFORE
SWINGING, OR RAISING BOOM ABOVE HORIZONTAL.
TO AVOID MACHINE UPSET IF THE TILT WARNING LIGHT ILLUMI-
NATED WHEN THE BOOM IS RAISED ABOVE HORIZONTAL, LOWER THE
PLATFORM TO GROUND LEVEL, THEN REPOSITION MACHINE SO THAT
CHASSIS IS LEVEL BEFORE RAISING BOOM.
TRAVELING WITH BOOM BELOW HORIZONTAL IS PERMITTED ON
GRADES AND SIDE SLOPES SPECIFIED ON SERIAL NUMBER PLAC-
ARD.
TO AVOID SERIOUS INJURY, DO NOT OPERATE MACHINERY IF ANY
CONTROL LEVER OR TOGGLE SWITCH CONTROLLING PLATFORM
MOVEMENT DOES NOT RETURN TO THE "OFF" POSITION WHEN
RELEASED.
– JLG Lift – 3121216