TM 9-2350-277-34REPAIR COMMANDER’S CUPOLA (M113A3, M1059A3, M1064A3, AND M58 ONLY) —Continued0051 0031. Align catch (10) and spring (9) with support (11). Secure with headed pin (8) and new cotter pin (7).NOTECommander’s cupola cover should latch tightly with firm latching action.32. To increase pressure of catch (10) on striker (17), add shim(s) (11), as needed, between support (5) and hull.33. To decrease pressure of catch (10) on striker (17), remove shim(s) (14), as needed, from between support (11) and hull.34. TIGHTEN TWO SCREWS (12) TO 25-30 LB-FT (34-41 N m) TORQUE.END OF TASK0051 00-18
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