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 TM 55-1905-219-14-9
4-77.3. SEARCHLIGHT-SHUTTER-MAINTENANCE INSTRUCTIONS (Continued).
LOCATION
ITEM
ACTION
REMARKS
REPAIR (Cont.)
f.
Third and
1. Open shutter blades
In this posi-
fourth bumper
fully so they are
tion a minimum
screws (27)
at 90 degrees to
amount of the
the front lens.
beams will be
blocked out.
2. Adjust the remain-
ing bumper screws
until the insert
just touches the
flat surface of
the bearing housings
(24 or 25).
g. Nuts (26)
Tighten.
These bumper
screws will now
stop the move-
ment of the
blades at the
fully open
position.
h. Shutter
Install.
Refer to step 5.
spring
i.
Shutter
Install.
Refer to step 4.
handle
7. Shutter
a. Shutter
Remove.
Refer to step 4.
Bearing
handle
housing
b. Shutter
Remove.
Refer to step 5.
spring
c.
Screw (29)
Remove.
d. Stop lever
Remove.
(23) and
key (30)
e. Screw (31)
Remove.
and lock-
washer (32)
4-1512
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