TB-9-2350-277-40&P-2 M121 M1064A3 Crew Modification Kit Volume 2 Download
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TB 9-2350-277-40&P-2 INSTALLATION PROCEDURES – Continued 0006 00 0006 00-13 INSTALL PRIMARY UNIT BRACKET ASSEMBLY NOTE Do not tighten screws until the mounting assembly is level. Brackets are slotted to help align and keep the mount assembly level. 1. Install two mounting brackets (49) to primary unit mounting bracket assembly (51). Secure with two screws (26), lockwashers (25), and washers (48). 2. Position primary unit mounting bracket assembly (51) on right side sponson. NOTE If carrier is a M113A3AMB ambulance, use two screws (50) (P/N B1821BH038C150N). Otherwise, use two screws (50) (P/N B1821BH038C200N). a. Install two screws (50), lockwashers (25), and flat washers (48) to secure primary unit bracket assembly (51) to right side sponson. b. Secure forward mounting bracket (49) to right side hull with a screw (26), lockwasher (25), and flat washer (48). c. Secure rear mounting bracket (49) and ground strap (52) to right side hull with a screw (26), lockwasher (25), and flat washer (48). 3. Level primary unit mounting bracket assembly (51) and tighten four screws (26) and two screws (50). TORQUE SCREWS TO 44 LB-FT (59.6 N·m). 4. Secure ground strap (52) to primary unit bracket assembly (50) with one tie strap (16). Figure 12. Primary Unit Mounting Brackets Installation