SPRING ADJUSTMENT (CONT). -724650182

TM 9-3990-206-14&P

9-18. SPRING ADJUSTMENT (CONT).

NOTE

If wall is too heavy, Perform Steps (27) through (29). If wall raises too easily, or if wall

starts to raise by itself, Perform Steps (30) through (33).

(27)

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

(28)

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

(29)

Repeat Steps (25) through (28) until rear wall (10) is easy to raise but does not raise by itself.

(30)

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

(31)

Tighten jam nuts (3) until jam nuts contact removable crossmember (7).

(32)

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

(33)

Repeat Steps (25), (26) and (30) through (32) until rear wall (10) is easy to raise but does not raise by itself.

Flatrack weighs 7,300 lbs (3,312 kg).

LIFTING

Attach suitable lifting device prior to

DEVICE

lifting to avoid possible injury or death

to personnel.

(34)

Attach lifting device to four corners of

flatrack (1).

(35)

With the aid of an assistant and using lifting

device, raise flatrack (1) and remove

jackstands.

(36)

With the aid of an assistant, lower flatrack

(1) to floor.

(37)

Remove lifting device from flatrack (1).

Follow-On Maintenance:

Lower front and rear wall, (Para 7-10).

END OF TASK

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