TM 9-2350-277-10 UNSTOW/STOW MAP TABLE AND BOARD (M577A3 AND M1068A3 ONLY) — Continued 0051 00 UNSTOW MAP BOARD (M577A3 ONLY) NOTE Map board can be removed and used in tent. Chains on back make it easy to hang. 1. LOOSEN THUMBSCREWS, RELEASE CLAMPS, AND LOWER MAP BOARD. 0051 00-2