TB-9-2350-277-40&P-1 M121 M1064A3 Crew Modification Kit Volume 1 Download
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TB 9-2350-277-40&P-1 MODIFICATION PROCEDURES – Continued 0004 00 0004 00-4 DRILL CREW II ANTENNA STOWAGE BRACKET 1. Locate and mark a hole (8) on top of hull bracket, measuring 32 inches from the left external fuel tank and 1-3/4 inches from rear edge of bracket (9). 2. Locate and mark a second hole (7) starting from the first hole (8), measuring 2-15/32 inches to the right and 3/8 inches from rear edge of bracket (9). 3. Drill one hole (8) using a 27/64 inch drill and tap using a 1/2 x 11 tap to a minimum depth of 1-1/4 inches. Break thru is permissible. Break all sharp edges on tapped holes. 4. Drill one hole (7) using a 5/16 inch drill and tap using a 3/8 x 16 course tap to a minimum 1 inch depth. DO NOT BREAK THRU. Break all sharp edges on tapped holes. Figure 3. Location for CREW II Antenna Stowage Bracket 5. Paint drilled areas to prevent corrosion. Reference TM 43-0139.