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 ADJUST RAMP LOCK (M577A2 AND M1068 ONLY) — Continued 0561 00 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). 0561 00-5 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.