TM 9-2350-261-20-3 REPAIR COMMANDER’S CUPOLA MACHINE GUN MOUNT (M113A2, M1059, AND M1064 ONLY) — Continued 0457 00 INSTALLATION 1. Place machine gun mount (17) on commander’s cupola. Secure with four washers (18) and screws (19). END OF TASK 0457 00-4