TM 9-2320-209-20-3-1 FRAME 4 1. 2. 3. GO Using l/2-inch wrench, unscrew and take off locknut (1) . Take off bolt and two flat washers (2) from inside wheel well. Using 1/2-inch wrenches, unscrew and take off locknut ( 3) and bolt (4) from engine compartment. CAUTION Stackway may fall when coupling is taken off. Hold stackway when taking coupling off. Spread coupling (5) and lower exhaust pipe (6) a few inches. Take off clamp (7) and coupling (5) . TO FRAME 5 5-79