TM 9-2320-209-10-1 FRAME 5 1. Using straight bar plug wrench and ratchet wrench, unscrew flywheel housing drain plug (1) from drain port (2). 2. Screw drain plug (1) into storage boss (3). 3. Wash off all salt water and salt deposits from every part of truck. 4. As soon after fording as possible, take truck to organizational maintenance for lubrication and servicing. Be sure to tell organizational maintenance that truck has been used in fording operations. 4-402