F: SWINGING 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). * Check that swing lock lamp (2) goes out at the same time. 2. Operate the left work equipment control lever to swing the upper structure. 3. When not operating the siwng, turn the swing lock switch ON (ACTUATED). - 64 -