TM 9-2350-256-20CHAPTER 9: MAINTENANCE OF HULL- AND CAB-RELATED COMPONENTS9-27 REPLACE/REPAIR COMMANDER’S CUPOLA ASSEMBLY-Continued13 Install padding assembly (34) with eight new lockwashers (33) and eight screws (32). Torque not to exceed 96pound-inches (lb-in.) (10.8 newton-meters [N•m] ).14Install new seal (27) by applying adhesive and pressing seal into place.15Install lock ring shoe (29) with bolt (30) and new pin (19). Peen ends of pin. Install two buttons (31)16Install setscrews (20 and 21), nut (22), block (23), adapter (24), screw (25), and new pin (18) to gun supportpintle (15). Peen ends of pm. Install two buttons (26)17Install gun support pintle (15) with four screws (17). Secure screws with new lockwire (16).Be sure that springs (14) are installed with cupola door (4) open in vertical position. Secure cupoladoor open to prevent accidental closure.NOTEAllow adhesive to dry before closing cupola door (4)18 Place cupola door (4) in vertical position and install with six springs (l-t), tube (13), two bearings (12), twoadapters (11). and two cap assemblies (8). Secure cap assemblies with eight screws (9) and eight newlockwashers (10) each.19Secure cupola door (4) with inside latch (47)9-42
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