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TM 10-4930-247-13&P 4-21. 3-INCH FUEL HOSE ASSEMBLY HOSE REPAIR -CONT. c. Inspection.  Refer to figure 4-17. (1) Inspect ball valve assembly (4) for cracks, corrosion and damaged quick disconnect coupling. (2) Inspect valved dry break coupling assembly (8) for cracks, corrosion and damaged coupling body. (3) Inspect hose (9) for cuts, tears, punctures, bulges and delamination. (4) Inspect ends of hose (9) for damage or missing ground wires.  Perform continuity test of ground wire from one end of hose to the other.  Continuity must exist. (5) Inspect ground wires at both ends of hose (9).  At least 1/2 inch of wire must be exposed.  If required, trim back hose material to obtain correct wire length. d. Repair. (1) Replace damaged components and all mandatory replacement parts. (2) Repair ball valve assembly (para 4-22). (3) Repair valved dry break coupling assembly (para 4-18). e. Assembly.  Refer to figure 4-17. (1) Slide sleeve (5) onto hose (9) and position it about 12 inches back from end of  hose. (2) Fold ends of grounding wires into hose (9). (3) Push valved dry break coupling assembly (8) into end of hose (9). (4) Slide sleeve (1) onto hose (9) and position it about 12 inches back from end of hose. (5) Push ball valve assembly (4) into end of hose (9). (6) Perform  continuity  test  between  ball  valve  assembly  (4)  and  valved  dry  break  coupling  (8)  to  ensure  ground wires are firmly seated.  Continuity must exist. (7) Wrap end of clamp (1, figure 4-18) around hose (3) and through seal (2).  Position clamp about 1-inch from end of hose. (8) Wrap another loop of clamp (1) around hose (3) and through seal (2). (9) Position tag end of clamp (1) in slots of clamping tool (4).  Tool nose (5) should fit snug against seal (2). (10)  Apply  pressure  to  gripper  lever  (6)  and  turn  handle  (7)  until  clamp  (1)  is  snug.    Tool  will  lock  in  place  when correct tension is applied.  Reposition tool as required. 4-44

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