Boom; Swinging The Boom - JLG 800a Operation And Safety Manual

SECTION 4 - MACHINE OPERATION
4.7

BOOM

AN RED TILT ALARM WARNING LIGHT, LOCATED ON THE CONTROL CONSOLE, LIGHTS
WHEN THE CHASSIS IS ON A SEVERE SLOPE. 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. CHASSIS
MUST BE LEVEL BEFORE SWINGING, EXTENDING OR RAISING TOWER BOOM ABOVE
HORIZONTAL.
TO AVOID UPSET, IF RED 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 RAISING MAIN BOOM.
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 EMER-
GENCY STOP TO STOP THE MACHINE.
4-12

Swinging the Boom

To swing boom, use Swing control switch to select
Right or Left direction.
WHEN SWINGING THE BOOM MAKE SURE THERE IS AMPLE ROOM FOR THE BOOM TO
CLEAR SURROUNDING WALLS, PARTITIONS AND EQUIPMENT.
NOTE: On CE Market machines, when boom functions are being oper-
ated there is an interlock that prevents the use of Drive and Steer
functions.
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