ENGINE AFES - ENGINE COMPARTMENT FIRE SENSING ELEMENTS: REMOVAL AND INSTALLATION
(CONTINUED)
INSTALLATION
E
Secure sensing element (1) in each mounting and clip
CAUTION
assembly (4) by flipping clip over each rubber bushing (6)
When hand shaping sensing element for
installed on sensing element (1). Secure clip using quarter-
turn fastener (5).
installation, do not damage sensing element
by crushing or too much bending (allowable
?
radius - 6-inches minimum). Ensure 1/2-inch
CAUTION
to 3/4-inch clearance between sensing element
Before installation, clean connector fittings
and personnel heater exhaust tube.
thoroughly with an electrical contact cleaner
A Install eight rubber bushings (6) spacing equally along
(item 74, Appx D).
length of sensing element (1).
F
Remove cap from straight coupling. Join connector of
B
If removed, install eight mounting and clip assemblies (4) on
sensing element (1) to straight coupling (3) and tighten.
eight engine compartment clip assembly mounts, securing
G Remove cap from elbow coupling. Join connector of sensing
each with one screw (7) and one new lockwasher (8).
element (1) to elbow coupling (2) and tighten.
C Install sensing element. Hand shape sensing element (1) to
fit in engine compartment. Route sensing element correctly
H Close louvered engine access doors.
through front portion of the engine compartment.
D 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.
Turn engine T/A panel Maintenance switch
to horizontal position. Turn MASTER switch
ON to activate engine AFES.
14-21
Change 3
TM 9-2350-267-20