TM 10-3930-671-24 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 installation, position wiping rag under fuel supply pump to catch any spilled fuel. (3) To install fuel supply pump (1), proceed as follows: (a) Install fuel supply pump (1) and ground wire (10) on bracket (11) with two screws (9) and nuts (8).  Tighten nuts 71-88 lb-in (8-10 N-m). (b) Install fitting (7) and two fuel lines (5 and 6) on fuel supply pump (1). (c) Install fuel line (3) on center fitting (4) of fuel shutoff valve (5). (d) Connect connector (4). (4) Connect batteries (Para 3-25). 3-24