TM-9-2350-277-20-4 Unit Maintenance Manual Volume 4 M113A3 M577A3 M1064A3 M1068A3 M58 Download
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TM 9-2350-277-20-4 ADJUST RAMP LOCK (M577A3 AND M1068A3 ONLY) — Continued 0522 00 6. Loosen locknuts (1) on both sides of the vehicle. C A U T I O N Insure proper thread engagement after clevis adjustment. Thread engagement should be at least 1-1/2 times diameter of rod. NOTE Setscrew must be adjusted so the center of the top arm is offset toward front of vehicle in reference to the center of rod. 7. Adjust two setscrews (2) and rotate arm (3) until center line of arm (3) is aligned with center line of rod (4). Continue to rotate arm (3) until it is tilted 1/8 inch (3 mm) past center in reference to rod (4) toward front of vehicle. 8. Tighten locknut (1) on setscrew (2). 0522 00-3