MAINTENANCE OF HANDWHEEL AND JACKSCREW ASSEMBLY

TM 55-1730-223-13

3-31. MAINTENANCE OF HANDWHEEL AND JACKSCREW ASSEMBLY. The removal,

repair and installation instructions are as follows:

a. Refer to paragraph 3-32 for removal, repair and installation of

the handwheel.

b. Refer to paragraph 3-33 for removal, repair and installation of

the jackscrews.

3-32. REMOVAL, REPAIR AND

INSTALLATION OF HANDWHEEL.

NOTE

The handwheel can be

replaced at AVUM but

must be repaired at

AVIM.

a. Loosen two setscrews (1).

b. Pull handwheel (2) away from

shaft (3).

c. Straighten any bent areas.

Weld all cracks. Replace stripped

setscrews. Re-tap stripped

setscrew holes.

d. Install handwheel (2) on

shaft (3). Align setscrew (1)

with flat on shaft (3).

e. Tighten setscrew (1).

REMOVAL, REPAIR AND INSTALLATION OF JACKSCREW.

NOTE

Jackscrew can be replaced at AVUM but must

be repaired at AVIM.

Lower platform to perform all maintenance.

(See para. 3-18 and 3-19.)

Remove handrails.

Remove platform.

3-19