TM 55-1520-240-23-9
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ASSEMBLE THRUST CCD ACTUATOR (AVIM)
(Continued)
11-157
10.
Slide damper disk (23) on shaft (24) with boss
(25) outward until disk is 0.025 inch from end of
magnetic brake (26). Use feeler gage.
11.
Apply coat of sealant (E345) to thread of two
setscrews (27). Install and tighten set-screws in
disk (23). Wear gloves (E184.1).
12.
Check distance between disk (23) and brake (26)
is 0.020 to 0.025 inch. If not, loosen screws (27)
and repeat steps 10 and 11.
INSPECT
13.
Install bearing (28) in bracket (29).
14.
Position bracket (29) on chassis (13). Install
four washers (30) and two screws (31). Do not
tighten screws at this time.
15.
Install washer (32) and screw (33) in disk (23).
16.
Adjust in and out movement of disk (23) to 0.005
to 0.010 inch. Move bracket (29) in or out.
Measure distance between bearing (28) and
washer (32). Tighten screws (31). Use feeler
gage.
INSPECT
17.
Position magnet (34) in chassis (13), smooth
surface to chassis.
18.
Apply coat of sealant (E345) to thread of two
screws (35). Wear gloves (E184.1). Position
bracket (36) and clamp (37) on chassis. Install
screws and align magnet (34) with same gap on
each side of disk (23). Tighten screws (35).
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