TM-9-2350-277-20-4 Unit Maintenance Manual Volume 4 M113A3 M577A3 M1064A3 M1068A3 M58 Download
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TM 9-2350-277-20-4 REPLACE COMMANDER’S CUPOLA MACHINE GUN MOUNT STOPS (M1059A3 ONLY) — Continued 0499 00 INSTALLATION 1. Install catch (1) on mount (2). Secure with two new lockwashers (3) and screws (4). TIGHTEN SCREWS TO 264-284 IN-LB (30-32 N m) TORQUE. NOTE Install shims as required so pin of catch contacts bracket from 5/16 to 7/16 inch (8 to 11 mm). Make sure flat surface of bracket makes contact with pin. 2. Install shims (5) and bracket (6) on carrier. Secure with two washers (7), new lockwashers (8), and screws (9). TIGHTEN SCREWS TO 264-284 IN-LB (30-32 N m)TORQUE. 3. Turn cupola until catch (1) contacts bracket (6). Measure distance from bottom of pin to top of bracket. Distance should be 5/16 to 7/16 inch (8 to 11 mm). If not, add or remove shims (5) to obtain correct measurement. END OF TASK 0499 00-3/4 blank