Quantcast Fuel Shut-Off Valve Replacement.
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TM 10-3930-671-24 b. Fuel Shut-Off Valve Replacement. (1) Disconnect batteries (Para 3-25). Fuel is very flammable and can explode easily.  To avoid serious injury or death, keep fuel away from open fire and keep fire extinguisher within easy reach when working with fuel.  Do not work on fuel system when engine is hot.  Fuel can be ignited by hot engine.  When working with fuel, post signs that read NO SMOKING WITHIN 50 FEET (15 m) of vehicle. NOTE • Prior to removal, position wiping rag under fuel shutoff valve to catch any spilled fuel. • Tag and mark all fittings and hoses prior to removal. • Note position and alignment of all fittings and hoses prior to removal. (2) To remove fuel shutoff valve (1), proceed as follows: (a) Remove fuel line (2) from fitting (3). (b) Remove two fuel lines (4 and 5) from two fittings (6 and 7). (c) Remove hose (8) from fitting (9). (d) Remove screw (10) and handle (11) from fuel shutoff valve (1). (e) Remove two nuts (12), fuel shutoff valve (1), two spacers (13), screws (14), and plate (15) from shield (16). (f) Remove three fittings (3, 6, and 7) from fitting (17) and fuel shutoff valve (1). (g) Remove fitting (17) and fitting (9) from fuel shutoff valve (1). 3-25

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