12. OPERATION 12.7 SWINGING ¤ WARNING When operating the swing, check that the area around the machine is safe. 1. Before operating the swing, turn swing lock switch 1 OFF (CANCELED). AM090630 NOTICE Check that swing lock monitor 2 goes out at the same time. 2. Operate left work equipment control lever 3 to swing the upper structure. Left swing Right swing AM090650 3. When not operating the swing, turn swing lock switch 1 ON (ACTUATED). ON AM090290 2-67