2-PC BOOM ATTACHMENTS AND OPTIONS OPERATION 6 Explanation of Devices 6 2 piece boom control pedal. The control pedal to the left of the travel levers controls two functions on a 2-Piece Boom machine: The pedal controls the operation of the second boom adjust cylinder. Pressing down on the front of the pedal pushes the second boom away from the cab, pressing down on the rear of the pedal pulls the second boom towards the cab. 1 2 Piece boom control pedal 9JH02584E A A Extend 2nd boom raise cylinder B Retract 2nd boom raise cylinder B A Press the rear of the pedal B Press the front of the pedal 9JH02586E 6-30