ENGINE COMPARTMENT FIRE SENSING ELEMENTS: REMOVAL AND INSTALLATION (CONTINUED)
D
To remove sensing element (1) from 10 mounting and clip
E
To remove 10 mounting and clip assemblies (4), remove from
assemblies (4), release quarter-turn fasteners (5) and open
each: one screw (7) and one lockwasher (8). Discard
clip assembly. Remove sensing element (1) with attached 10
lockwashers.
rubber bushings (6).
INSTALLATION
A
B
C
D
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.
E
Secure sensing element (1) in 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).
Install 10 rubber bushings (6) spacing equally along length
F
Remove cap from elbow coupling. Join connector of sensing
of sensing element (1).
element (1) to elbow coupling (3) and tighten.
If removed, install 10 mounting and clip assemblies (4) on
G Remove cap from straight coupling. Join connector of
eight engine compartment clip assembly mounts. Secure
sensing element (1) to straight coupling (2) and tighten.
each with one screw (7) and one new lockwasher (8).
H
Close louvered engine access door.
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).
WARNING
Remove locking pin in valve actuator guard 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 3
TM 9-2350-267-20
