TM-9-2350-277-20-4 Unit Maintenance Manual Volume 4 M113A3 M577A3 M1064A3 M1068A3 M58 Download
Page 322 of 884
TM 9-2350-277-20-4 REPLACE HOPPER HATCH (M58 ONLY) — Continued 0484 00 4. Install two hinge brackets (7), shims (8), four washers (9), and screws (10) on carrier top plate. 5. TIGHTEN FOUR SCREWS (10) ON HINGE BRACKETS (7) TO 76-83 LB-FT (103-112 N m) TORQUE. 6. Position hopper hatch cover (6) between hinge brackets (7). 7. Install shield (11), 17 springs (12), and two fiber washers (13) in hopper hatch cover (6) and hinge brackets (7). C A U T I O N Damage to equipment may occur if hopper hatch is not raised to 3/4 open position when installing retainer. 8. Have helper hold hopper hatch cover (6) at 3/4 open unsprung position. Install retainer (14), two screws (15), and new locknuts (16) on hinge bracket (7). ADJUSTMENT 1. Use shims (8) as required to achieve snug and even compression of seal (5). END OF TASK 0484 00-4