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TM 9-2350-287-20-2
21-9.
ENGINE COMPARTMENT FIRE SENSING ELEMENTS REPLACEMENT (continued).
To install fire sensing element (5), perform steps 8 through 11.
To install fire sensing element (4), perform steps 12 through 15.
To install fire sensing element (1), perform steps 16 through 19.
To install fire sensing element (3) perform steps 20 through 23.
1.
Secure sensing element (2), with rubber bushings (10) attached, in 24 clamps (13).
2.
Remove one plastic cap (26) from straight coupling (25).
3.
4.
Connect connector of sensing element (2) to straight coupling (25).
5.
Install 24 rubber bushings (10), equally spaced along length of sensing element (2).
CAUTION
When hand-shaping sensing element for installation, do not crush or bend element
excessively. The smallest allowable radius is 1 inch (15 cm). Excessive bending can
damage sensing element.
Make sure there is 1/2 inch to 3/4 inch (1 -2 cm) clearance between sensing element
and personnel heater exhaust tube. Failure to do this can lead to equipment damage
and inadvertent bottle discharge.
6.
Hand-shape sensing element (2) to route correctly through front portion of engine compartment.
7.
Install rubber bushings (10) in 24 clamps(13). Tighten clamps (13).
21-33
Install, loosely, each of 23 clamps (13) on each of 24 mounting plate assemblies (14) with screw (11) and new
lockwasher (12) for each clamp (13).
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