TM 9-2350-277-20-4ADJUST RAMP LOCK (M1064A3 ONLY) — Continued 0523 0015. Add or remove flat steel washers (1) between ramp trip plates (2) and hull top plate. Use same number of washers asshims on each side of trip plate. Install two new lockwashers (3) and screws (4) in trip plate (2). Do not tighten screws atthis time.16. Measure distance between trip plates (2) and latch (5). It should be 1/16 inch (2 mm) maximum. Add or delete flat steelwashers (1) until this clearance is obtained.17. Start engine (see your -10).18. Raise and lock ramp (see your -10).19. Stop engine (see your -10).20. Check both trip plates (2) to see that they bear against top of latches (5).21. Check that latch (5) and catch (6) are firm and flush against each other.22. Lower ramp (see your -10). Adjust trip plates (2). Slide plates forward or rearward until latches (5) open, both at thesame time, when ramp lock lever is pulled all the way to the rear. Latches (5) should raise up to clear catch. Tighten twoscrews (4).23. If latches (5) do not raise when trip plates (2) are adjusted correctly, replace spring (7) (WP 0528 00).0523 00-5
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