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21-9.
ENGINE COMPARTMENT FIRE SENSING ELEMENTS REPLACEMENT (continued).
NOTE
There are five sections of fire sensing elements. Three sections are located in the
engine compartment, and two are located on the underside of the deck plates.
To remove fire sensing elements (3), perform steps 1 through 4.
To remove fire sensing elements (1), perform steps 5 through 7.
To remove fire sensing elements (4), perform steps 8 through 10.
To remove fire sensing elements (5), perform steps 11 through 14.
To remove fire sensing element (2), perform steps 15 through 17.
Note location and routing of installed sensing element before removal from engine
compartment. Install new sensing element in same location, using same routing.
1.
Disconnect connector of sensing element (3) from elbow coupling (6) in engine compartment. Cap elbow
coupling (6) with plastic cap (7) attached to elbow coupling (6).
2.
Disconnect connector of sensing element (3) from straight coupling (9) in engine compartment. Cap straight
coupling (9) with plastic cap (8) attached to straight coupling (9).
3.
Remove 24 screws (11), Iockwashers (12), and clamps (13) from 24 mounting plate assemblies (14). Discard
lockwashers.
4.
Remove sensing element (3), with rubber bushings (10) attached, from 24 clamps (13).
21-30
TM 9-2350-287-20-2
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