ENGINE AFES - ENGINE COMPARTMENT FIRE SENSING ELEMENTS: REMOVAL AND INSTALLATION (CONTINUED)
INSTALLATION
A
B
C
D
E
CAUTION
When hand shaping sensing element for installation, do
not damage sensing element by crushing or too much
bending (allowable radius 6-inches minimum). Ensure
1/2-inch to 3/4-inch clearance between sensing element
and personnel exhaust tube.
Install 10 rubber bushings (6) spacing equally along lengh of sensing
element (1).
If removed, install 10 mounting and clip assemblies (4) on eight engine
compartment clip assembly mounts. Secure each with one screw (7) and
one new lockwasher (8).
Install sensing element. Hand shape sensing element (1) to fit in engine
compartment. Route sensing element correctly through front portion of
engine compartment.
After sensing element is installed, move rubber bushings (6) on sensing
element (1) so each will engage one mounting and clip assembly (4).
Secure sensing element (1) m each mounting and clip assembly (4) by
flipping clip over each rubber bushing (6) installed on sensing element.
Secure clip using quarter-turn fastener (5).
CAUTION
Before installation, clean connector fittings thoroughly
with an electrical contact cleaner (item 74, Appx D).
F
Remove cap from elbow coupling. Join connector of sensing element (1)
to elbow coupling (3) and wrench tighten. Do not overtighten.
G Remove cap from straight coupling. Join connector of sensing element (1)
to straight coupling (2) and wrench tighten. Do not overtighten.
H Close louvered engine access door.
WARNING
Remove locking pin in valve actuator of engine
extinguisher cylinder bottle no. 2 (p 14-28). Turn
engine T/A panel Maintenance switch to horizontal
position. Turn MASTER switch ON to activate engine
AFES.
14-23
Change 4
TM 9-2350-267-20