TM 9-2320-209-20-3-3 b. Replacement. FRAME 1 1. 2. 3. 4. 5. WARNING Dry cleaning solvent is flammable. Do not use near an open flame. Keep a fire extinguisher nearby when solvent is used. Use only in well-ventilated places. Failure to do this may result in injury to personnel and damage to equipment. Using solvent, clean manhole cover (1) around where gasket (2) was. Use scraper, if needed, to get rid of all of old gasket pieces. Using solvent, clean around manhole where gasket (2) was. Use scraper, if needed, to get rid of all old gasket pieces. Do not let any gasket pieces fall into tank. Put new gasket (2) in place. Put manhole cover (1) down on gasket. Hold clamp ring (3) open and put it on manhole cover (1). Make sure it catches manhole cover and truck all around. Put screw (4) through clamp ring (3) and using wrench, hold it. Put washer (5) on screw. Using wrench, screw on and tighten nut (6). END OF TASK 18-260