TB-9-2350-277-40&P-3 M121 M1064A3 Crew Modification Kit Volume 3 Download
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TB 9-2350-277-40&P-3 INSTALLATION PROCEDURES – Continued 0005 00 0005 00-6 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 column mount (33) to primary unit mounting bracket assembly (22). Secure with screw (34), two washers (29), and self-locking nut (31). 2. Position primary unit mounting bracket assembly (22) on floor plate (30) and hopper baseplate assembly (26). a. Install two screws (23), lockwashers (24), and washers (25) to secure primary unit mounting bracket assembly (22) and hopper baseplate assembly (26) to hull. b. Secure column mount (33) and floor plate (30) to hull with screw (27), lockwasher (28) washer (29), and shouldered washer (32). 3. Level primary unit mounting bracket assembly (22) and tighten screws (23), (27), and (34). TORQUE SCREWS (23) TO 159-166 LB-FT (216-225 N·m). TORQUE SCREW (27) TO 120 LB- FT (162.8 N·m). TORQUE SCREW (34) TO 105 LB-FT (142.4 N·m). 4. Install ground strap (21) to primary unit mounting bracket assembly (22). Secure with screw (20), two lockwashers (14), and self-locking nut (17). Figure 5. Primary Unit Bracket Assembly Installation