TM 10-3930-659-34 4-22.  LEAK-OFF TUBES AND FUEL LINES REPLACEMENT (Con’t). a.  REMOVAL NOTE Four leak-off tubes are removed the same way.  One leak-off tube is illustrated. 1. Loosen nut (4). 2. Loosen two nuts (2) and remove leak-off tube (3) from two tees (1). NOTE One  leak-off  tube  Is  permanently  connected  to  fuel  injection  pump  fuel  line.    Perform  step  3  to remove this leak-off tube. 3. Loosen nut (12) and remove fuel line (13) and leak-off tube (7) from engine. NOTE Five clamps hold fuel line assembly.  Remove clamps as necessary to remove fuel lines. 4. Remove screw (9) and clamp (8) from engine. NOTE Fuel   lines,   numbers   one   through   six,   are   removed   the   same   way.      Fuel   line   number   two   is illustrated. 5. Remove nut (14) from fuel injection nozzle (6). CAUTION Ensure that fuel injection pump fitting does not turn when removing fuel line nuts. Damage to fuel injection pump may result if fitting turns. 6. Remove nut (10) and fuel line (5) from fuel injection pump (11). TA708164 4-86