TM 9-2320-209-20-3-1 FRAME 2 1. Join sending unit (1) to fuel tank flange (2) using five screws (3) with copper washers (4). 2. Using screwdriver, tighten five screws (3) evenly. 3. Plug connector (5) into sending unit (1). NOTE Follow-on Maintenance Action Required: 1. Fill fuel tank. Refer to TM 9-2320-209-10. Check FUEL LEVEL gage before and after filling fuel tank to be sure fuel sending unit is operating properly. 2. Reconnect battery ground cable. Refer to para 7-58. END OF TASK 7-18S7