TM 9-2320-209-20-3-1 c. Replacement. FRAME 1 1. Put exhaust pipe (1) through hole in fender (2) and position as shown. 2. Put U-bolt (3) around exhaust pipe (1), through support block (4), and support brace assembly (5). 3. Put two flat washers (6) on U-bolt (3) and screw on two locknuts (7). Using 9/16-inch wrench, snug up locknuts but do not tighten at this time. GO TO FRAME 2 TA 047220 5-83