TM 9-2520-246-34-1 e. Case Cover. FRAME 1 Soldiers 1. A and B Soldier A 2. GO TO FRAME 2 Aline three taper pinholes in gasket (1) and case cover (2) with three taper pins (3) in case (4). Put in six capscrews (5) and six lockwashers (6) and evenly tighten capscrews to 60 to 77 pound-feet. 2-262