TM-9-2350-261-20-3 Unit Maintenance Manual Volume 3 M113A2 M577A2 M1064 M1068 M1059 M901A1 Download
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TM 9-2350-261-20-3 REPLACE DRIVER’S HATCH VISION BLOCK LOCKS AND SEALS — Continued 0444 00 NOTE Steps 5 - 8 apply to M1064 only. 5. Remove thumbscrew (1) and spring (2) from arm (3). 6. Remove screw (4), washer (5), and arm (3) from bolt (6). 7. Remove bolt (6) and washer (7) from driver’s hatch. 8. Scrape seal (8) from vision block opening. CLEAN 1. Clean seal mating surface on hull with cleaning compound. 0444 00-2