TM-9-2350-261-20-3 Unit Maintenance Manual Volume 3 M113A2 M577A2 M1064 M1068 M1059 M901A1 Download
Page 548 of 936
TM 9-2350-261-20-3 ADJUST RAMP LOCK (M577A2 AND M1068 ONLY) — Continued 0561 00 18. Remove cotter pin (1), headed pin (2), and clevis (3) from lever (4) for one side of vehicle only. Discard cotter pin. 19. Adjust clevis (3) to lengthen or shorten linkage and obtain a water tight seal between ramp (5) and hull (6). Latches (7) must pull tight on catches (8). 20. Align clevis (3) with lever (4). Secure with headed pin (2). 21. Latch ramp lock lever (9). 22. Check for adequate tension on ramp latch (7) and catch (8). There should be no free play in latches (7) when ramp lock lever (9) is latched. 23. Repeat Steps 17 - 22 until latch (7) is under proper tension. Install new cotter pin (1) in headed pin (2). 25. With ramp up and locked, loosen locknuts (10) on setscrew (11). Adjust setscrew (11) to obtain 1/16 inch (2 mm) to 3/32 inch (3 mm) maximum clearance between latches (7) and setscrew (11) 26. Tighten locknut (10) on setscrew (11). 0561 00-6 24. Repeat Steps 17 - 23 for latch (7) on opposite side of carrier.