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TM 9-2350-287-20-2
21-14. CREW AFES OPTICAL FIRE SENSING APPARATUS (OFSA) REPLACEMENT
(continued).
b.
INSTALLATION
CAUTION
Install OFSA in same position as noted at removal. Failure to do so can result in failure
of OFSA to detect fires.
1.
Position OFSA (1) on bracket (7) between scribed marks.
2.
Install OFSA (1) on bracket (7) with two screws (3), four washers (4), two new lockwashers (5), and two nuts
(6).
3.
Install electrical cable (2) on OFSA (1 ).
4.
Clean OFSA lenses with lens paper.
FOLLOW-ON MAINTENANCE:
Reactivate crew AFES (para 21-3).
21-53
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