. OPERATION MACHINE OPERATIONS AND CONTROLS WORK EQUIPMENT CONTROLS AND OPERATIONS WARNING of manual. position and the work equipment is held in that 3 - 90 For operation m odes other than the standard one (ISO p attern), refer to the chapter OPTIONS i n this Us e the contro l levers to operate the wor k equipme Not e tha they return position. he HOLD Arm c ontrol Move the le ft work e quipment control l ever to the f ront or rear to pera te the arm. Swing contr Move the le ft work equipment control l ever to the left or right to wing the u pper structure. Boom contr Move the ri ght work equipmen t contro l lever to th e front or rear o operate t he boom