14-34
Change 3
TM 9-2350-267-20
CREW AFES - OPTICAL FIRE SENSING APPARATUS (OFSA): REMOVAL AND INSTALLATION
CAUTION
Note position of OFSA before removal.
Installed position of OFSA is critical - install in
correct position.
NOTE
Removal procedures for all four fire sensing
apparatuses are the same.
A
Disconnect electrical cable (1) from OFSA (2).
B
Remove two screws (3), two nuts (4), two lockwashers (5) and
four flat washers (6). Discard lockwashers.
c
Remove OFSA (2) from bracket.
INSTALLATION
WARNING
Install OFSA in same position as noted at
removal. If installed in wrong position, OFSA
will not be effective in detecting fires.
A
Clean OFSA lenses (TM 9-2350-267-10).
B
Reverse order of removal procedures using new lockwashers.
When installing electrical cable (1), turn clockwise until
cable snaps in place.
C Turn crew T/A panel Maintenance switch to horizontal
position.