14-26Change 3TM 9-2350-267-20ENGINE AFES - ENGINE COMPARTMENT AFES SENSING ELEMENT COUPLINGS: REMOVAL AND INSTALLATIONREMOVALWARNINGTurn engine T/A panel Maintenanceswitch to vertical position. Make surelocking pin is installed in valve actuatorguard of engine extinguisher cylinderbottle no. 1 and install locking pin inv a l v e a c t u a t o r g u a r d o f e n g i neextinguisher cylinder bottle no. 2.NOTEWhen removing bulkhead couplings, removestarter relay (p 6-45) to gain access tocoupling.ADisconnect sensing element (1) from elbow coupling (2). Pullsensing element away from elbow coupling (p 14-15 or 14-18).BLoosen locknut (3). Remove elbow coupling (2) and flatwasher (4) from adapter (5) at bulkhead. Cap both ends ofelbow coupling (2).CDisconnect sensing element (6). Pull sensing element awayfrom elbow coupling (7) (p 14-15, 14-20 or 14-22).DDisconnect sensing element (8). Pull sensing element (8)away from elbow coupling (7) (p 14-18, 14-20 or 14-24).ERemove hex nut (9) and remove washer (10). Pull elbowcoupling (7) from bracket (11). Cap both ends of elbowcoupling (7).FDisconnect sensing element (12) from straight coupling (13)and pull sensing element (12) away from straight coupling.G Disconnect sensing element (14) from straight coupling (13)and pull sensing element (14) away from straight coupling.HRemove locknut (15) and washer (16) from straight coupling(13). Pull straight coupling (13) from bracket (17). Cap bothends of straight coupling (13).
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