TM 9-2320-209-20-3-1 Replacement. 1. Put gasket (1) on sparkplug (2). Using 7/8-inch wrench, screw on and tighten spark plug (2). 2. Using 3/4-inch wrench, screw on and tighten coupling nut (3). NOTE Follow-on Maintenance Action Required: Close hood and right side panel. Refer to TM 9-2320-209-10. END OF TASK TA 086455 4-76