TM 9-2320-209-20-3-1 FRAME 4 I 1. Working under truck using 9/16-inch wrench, hold nut ( 1). Using 7/16-inch combination box and open end box wrench, screw on and tighten tube nut (2) . NOTE Follow-on Maintenance Action Required: Close hood and right side panel. Refer to TM 9-2320-209-10. END OF TASK TA 085546 4-85