installation - TM-9-2350-267-20

TM-9-2350-267-20 Carrier Ammunition Tracked M992 (2350-01-110-4660) Manual
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Appx D ENGINE AFES - ENGINE COMPARTMENT FIRE SENSING ELEMENTS: REMOVAL AND INSTALLATION (CONTINUED) 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 hearer exhaust tube. INSTALLATION E Secure sensing element (1) in each mounting and clip assembly (4) by flipping clip over each rubber bushing (6) installed on sensing element (1). 1 1 1 Remove cap from straight coupling. Join connector of sensing element (1) A Install eight rubber bushings (6) spacing equally along length of sensing to straight coupling (3) and wrench tighten. Do not overtighten. element (1). G Remove cap from elbow coupling. Join connector of sensing element (1) B If removed, install eight mounting and clip assemblies (4) on eight engine to elbow coupling (2) and wrench tighten. Do not overtighten. compartment clip assembly mounts, securing each with one screw (7) and one new lockwasher (8). H Close louvered engine access doors. C Install sensing element. Hand shape sensing element (1) to fit in engine WARNING compartment. Route sensing element correctly through front portion of the engine compartment. Remove locking pin in valve actuator of engine extinguisher cylinder bottle no. 2. Turn engine T/A D After sensing element is installed, move rubber bushings (6) on sensing panel Maintenance switch to horizontal position. element (1) so each will engage one mounting and clip assembly (4). Turn MASTER switch ON to activate engine AFES. 14-21 Change 4 TM 9-2350-267-20

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