14-24Change 4TM 9-2350-267-20NCXNFAFES - ENGINE COMPARTMENT FIRE SENSING ELEMENTS: REMOVAL AND INSTALLATION (CONTINUED)WARNINGTuun engine T/A panel MAINTenance switch to verticalposition. Make sure locking pin is installed in valveactuator of engine extinguisher cylinder bottle no. 1and install locking pin in valve actuator of engineextinguisher cylinder bottle no. 2.REMOVALNOTENote location and routing of installed sensing elementbefore removal from engine compartment. Install newsensing element in same location using same routing.A Remove powerpack (p 3-1).BDisconnect connector of sensing element (1) from straight coupling (2).Cap straight coupling.C Disconnect connector of sensing element (1) from elbow coupling (3). Capelbow coupling.D To remove sensing element (1) from 22 mounting and clip assemblies (8),release quarter-turn fasteners (4) and open clip assembly. Remove sensingelement (1) with attached rubber bushings (5).ETo remove 22 mountings and clip assemblies (3), remove from each: onescrew (6) and one lockwasher (7). Discard lockwashers.
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