TM 9-2520-246-34-1 k. Top Cover and Shifter Shaft. FRAME 1 1. Take out four capscrews (1) with four lockwashers (2). 2. Take off cover (3) and gasket (4). Throw away gasket. 3. Take out spring (5), plunger (6), and ball (7). 4. Take off safety wire (8). 5. Take out setscrew (9) and pull out shifter shaft (10). END OF TASK 2-126