TM-9-2350-261-20-3

CARRIER, M113A2, M577A2, M1064, M1068, M1059 AND M901A1

TECHNICAL MANUAL; UNIT MAINTENANCE MANUAL - VOLUME 3 OF 4

TM-9-2350-261-20-3 - Page 545 of 932

TM 9-2350-261-20-3

ADJUST RAMP LOCK (M577A2 AND M1068 ONLY) — Continued

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12. With ramp lock lever (1) remaining in locked position, adjust clevis (2) 3/16 inch (5 mm) short of pin (4) fitting freely

with arm (3).

13. Release lever (1) and align clevis (2) with arm (3). Secure with headed pin (4) and new cotter pin (5). Tighten locknut

(6).

14. Loosen two nuts (7) on lever (1) and move arm (3) to obtain 3/8 inch (10 mm) clearance between end of clevis (2)

and bulkhead. Tighten nuts (7).

15. Raise and lock ramp (see your -10).

NOTE

Ramp seal should be compressed enough to prevent water leakage, yet without metal-to-metal

contact between ramp and hull. Make linkage shorter to compress seal more. Make linkage

longer to compress seal less.

17. With ramp up, release lock lever (1).

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16. Check ramp for proper seal. Stand inside the carrier with ramp up. Insert a thick piece of paper or inspection tag

between ramp (8) and hull (9). The paper should slide freely around edge with no metal to metal contact. If ramp is

too tight or too loose, repeat Steps 1 - 16.