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Page Title: REMOVAL, REPAIR AND INSTALLATION OF JACKSCREW.
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TM 55-1730-223-13
d. Remove rear legs. (See para. 3-21.)
e. Remove steps. (See para. 3-22.)
f. Rotate handwheel to raise front leg 12 inches.  Support securely
with safety stands between main frame and front leg.
g. Loosen self-locking nuts (1)
and capscrews from upper tubing
and mount (2).
h. Loosen capscrew (3) to
release tension on clamp (4).
Support drive shaft (5) to
prevent it from falling.
i. Loosen self-locking nuts (1)
and capscrews and remove from
lower tubing and mount (2).
j. Loosen capscrew (3) to
release tension on clamp (4).
k. Pull jackscrew (1) so that
upper tubing and mount (2) and
lower tubing and mount (3) slides
thru front leg (4) and main frame
(5).
l. When jackscrews are free
from frame and front leg, loosen
two capscrews (6 and 7) and two
self-locking screws (8 and 9) on
both jackscrews. Remove both
upper and lower tubing and mounts
(2 and 3) from both jackscrews.
m. Straighten any bent parts.
Weld any cracks that appear.
3-20

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