ENGINE AFES - ENGINE COMPARTMENT FIRE SENSING ELEMENTS: REMOVAL AND INSTALLATION(CONTINUED)INSTALLATIONESecure sensing element (1) in each mounting and clipCAUTIONassembly (4) by flipping clip over each rubber bushing (6)When hand shaping sensing element forinstalled on sensing element (1). Secure clip using quarter-turn fastener (5).installation, do not damage sensing elementby crushing or too much bending (allowable?radius - 6-inches minimum). Ensure 1/2-inchCAUTIONto 3/4-inch clearance between sensing elementBefore installation, clean connector fittingsand personnel heater exhaust tube.thoroughly with an electrical contact cleanerA Install eight rubber bushings (6) spacing equally along(item 74, Appx D).length of sensing element (1).FRemove cap from straight coupling. Join connector ofBIf removed, install eight mounting and clip assemblies (4) onsensing element (1) to straight coupling (3) and tighten.eight engine compartment clip assembly mounts, securingG Remove cap from elbow coupling. Join connector of sensingeach 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) tofit in engine compartment. Route sensing element correctlyH 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 andclip assembly (4).WARNINGRemove locking pin in valve actuator guard ofengine extinguisher cylinder bottle no. 2.Turn engine T/A panel Maintenance switchto horizontal position. Turn MASTER switchON to activate engine AFES.14-21Change 3TM 9-2350-267-20
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