TM10-3930-660-34 4-5.  FUEL SHUTOFF VALVE - REPLACE This task covers: a.  Removal b.  Cleaning c.  Inspection d.   Installation Initial Setup Tools Materials/Parts Tool Kit,  Auto Mechanics Lockwasher  (7) O-ring  (5) Equipment Condition Vehicle parked on level surface. Engine shut off. Negative battery cable disconnected, TM10-3930-660-20. REMOVAL 1.  CLEAN FUEL SHUTOFF VALVE (1) AND SURROUNDING AREA OF PUMP TO PREVENT ENTRY OF CONTAMINANTS INTO VALVE. 2.  REMOVE FUEL SHUTOFF VALVE (1). a.  Disconnect electrical wires (2) from shutoff valve (1). b.  Remove shutoff valve (1),  using care not to drop plunger (3) and spring (4). c.  Remove O-ring (5),  nut (6), lockwasher (7) and spade terminal (8).  Discard O-ring (5) and lockwasher (7). NOTE Discard entire shutoff valve assembly, which includes plunger (3) and spring (4),  if shutoff valve is defective. INSTALLATION 1.  INSTALL NEW O-RING (5),  SPADE TERMINAL (8),  NEW LOCKWASHER (7) AND NUT (6) ON SHUTOFF VALVE (1). 4-14

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