TM 55-1520-240-23-9
11-161
ASSEMBLE PITCH CCD ACTUATOR (AVIM)
(Continued)
11-161
21.
Position cover (46) on chassis (14). Install four
washers (47) and screws (48) in cover and
chassis.
22.
Install two washers (49) and screws (50) in
receptacle (21) and cover (46). Lockwire screws.
Use lockwire (E229).
23.
Mount chassis (14) in vise (51).
24.
Install shim (52) on shaft (53).
25.
Align mark on chassis (14) and stop plate (54).
Install plate on shaft (53).
26.
Position and hold 0.002 inch feeler gage (55)
between shim (52) and plate (54).
27.
Align marks on arm (56) and chassis (14). Install
arm on shaft (53) and slide against plate (54).
Install bolt (57), two washers (58), and nut (59)
in arm. Tighten nut until arm does not slide on
shaft.
28.
Attach scale (60) to nut (59). Position scale
parallel to shaft (53). Apply 6 pounds inward to
nut (59). Check gap between shim (52) and plate
(54). Gap shall not be less than 0.002 inch. If
gap is less, perform steps 29 thru 33. If gap is
more, go to step 34.
29.
Measure gap X. Subtract X from 0.002 to give Y.
Use feeler gages.
30.
Loosen nut (59). Remove arm (56) and plate
(54).
31.
Measure thickness Z of shim (52). Add Y of step
29 to Z to give thickness A.
32.
Install shim (61) of thickness A, on shaft (53),
in place of shim (52).
33.
Repeat steps 25 thru 28 with shim (61) installed.
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