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 TM 55-1905-219-14-9
4-77.3. SEARCHLIGHT-SHUTTER-MAINTENANCE INSTRUCTIONS (Continued).
LOCATION
ITEM
ACTION
REMARKS
REPAIR (Cont.)
d. Four bumper
1. Remove.
screws( s)
(27) and
2. Close the shutter
insert (28)
blades.
3. Screw in one bumper
screw until the in-
sert in the end of
the bumper screw
just reaches the
flat surface of the
bearing housing (24
or 25).
4. Screw bumper screw
The object of
in approximately
this procedure
another turn so
is to have the
that the shutter
force of the
blades still appear
blades, when
closed, but do not
they are clos-
actually touch
ing absorbed
each other.
by the insert
and not by
having one
blade strike
another.
e. Nut(s) (26)
Tighten.
1. Adjust the
second
bumper screw
on the other-
side of shut-
ter so that
its insert
just touches
the bearing
housing as-
sembly when
the blades
are closed.
2. Tighten nut
(26)
4-1510
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