SPRING ADJUSTMENT (CONT). -724650180

TM 9-3990-206-14&P

9-18. SPRING ADJUSTMENT (CONT).

NOTE

If wall is too heavy, Perform Steps (10) through (12). If wall raises too easily, or if wall

starts to raise by itself, Perform Steps (13) through (16).

Nut may be marked to ensure a complete revolution.

(10)

Loosen four jam nuts (3), on threaded rods (4), one complete turn.

(11)

Tighten four nuts (2) on threaded rod (4).

(12)

Repeat Steps (8) through (11) until wall (8) is easy to raise but does not raise by itself.

(13)

Loosen four nuts (2) on threaded rods (4) one complete turn.

(14)

Tighten four jam nuts (3) against crossmember (7) one complete turn.

(15)

Tighten four nuts (2) on threaded rods (4).

(16)

Repeat Steps (8) and (13) through (15) until wall is easy to raise but does not raise by itself.

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