installtion - TM-9-2350-267-20

TM-9-2350-267-20 Carrier Ammunition Tracked M992 (2350-01-110-4660) Manual
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ENGINE AFES - ENGINE COMPARTMENT FIRE SENSING ELEMENTS: REMOVAL AND INSTALLATION (CONTINUED) INSTALLATION A B C D E CAUTION When hand shaping sensing element for installation, do not damage sensing element by crushing or too much bending (allowable radius 6-inches minimum). Ensure 1/2-inch to 3/4-inch clearance between sensing element and personnel exhaust tube. Install 10 rubber bushings (6) spacing equally along lengh of sensing element (1). If removed, install 10 mounting and clip assemblies (4) on eight engine compartment clip assembly mounts. Secure each with one screw (7) and one new lockwasher (8). Install sensing element. Hand shape sensing element (1) to fit in engine compartment. Route sensing element correctly through front portion of engine compartment. After sensing element is installed, move rubber bushings (6) on sensing element (1) so each will engage one mounting and clip assembly (4). Secure sensing element (1) m each mounting and clip assembly (4) by flipping clip over each rubber bushing (6) installed on sensing element. Secure clip using quarter-turn fastener (5). CAUTION Before installation, clean connector fittings thoroughly with an electrical contact cleaner (item 74, Appx D). F Remove cap from elbow coupling. Join connector of sensing element (1) to elbow coupling (3) and wrench tighten. Do not overtighten. G Remove cap from straight coupling. Join connector of sensing element (1) to straight coupling (2) and wrench tighten. Do not overtighten. H Close louvered engine access door. WARNING Remove locking pin in valve actuator of engine extinguisher cylinder bottle no. 2 (p 14-28). Turn engine T/A panel Maintenance switch to horizontal position. Turn MASTER switch ON to activate engine AFES. 14-23 Change 4 TM 9-2350-267-20

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