ENGINE AFES - ENGINE COMPARTMENT FIRE SENSING ELEMENTS: REMOVAL AND INSTALLATION (CONTINUED)INSTALLATIONABCDCAUTIONWhen hand shaping sensing element for installation donot damage sensing element by crushing or too muchbending (allowable radius -6 inches minimum). Ensure1/2-inch to 3/4-inch clearance between sensing elementand personnel heater exhaust tube.Install 24 rubber bushings (6) spacing equally along length of sensingelement (1).If removed, install 24 mounting and clip assemblies (4) on 24 enginecompartment clip assembly mounts, securing each with one screw (7) andone new lockwasher (8).Install sensing element. Shape sensing element (1) by hand to fit in enginecompartment. Route sensing element correctly through front portion ofengine compartment.After sensing element is installed, move rubber bushings (6) on sensingelement (1) so each will engage one mounting and clip assembly (4).ESecure sensing element (1) in each mounting and clip assembly (4) byflipping clip over each rubber bushing (6) installed on sensing element(1).Secure clip using quarter-turn fastener.CAUTIONBefore installation, clean connector fittings thoroughlywith an electrical contact cleaner (item 74, Appx D).FRemove cap from elbow coupling. Join connector of sensing element (1)to elbow coupling (3) and wrench tighten. Do not overtighten.G Remove caption elbow coupling. Join connector of sensing element (1)to bulkhead elbow coupling (2) and wrench tighten. Do not overtighten.H Close battery and louvered engine access doors.WARNINGRemove locking pin in valve actuator of engineextinguisher cylinder bottle no. 2 (p 14-28). Turnengine T/A panel Maintenance switch to horizontalposition. Turn MASTER switch ON to activate engineAFES.14-19Change 4TM 9-2350-267-20
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