TM 9-2815-225-34&P 3-55.  FUEL INJECTOR TESTING; TEST NO. 3 (Contd) LOCATION/ITEM ACTION REMARKS e.  Top-stop Injector 60. Top-stop screw (53) and top- Install on injector assembly (39). Install with two threads of top- stop locknut (54) stop screw (53) protruding above top-stop locknut (54).  This is a ref- erence point only. 61. Injector assembly (39) Install on setting fixture (55) and Be certain that seat and cup tighten. of injector assembly (39) is cen- tered over cup retainer (56). 62. Cup retainer (56) Adjust and tighten upward to 100-115 lb-in. (11.3-12.5 Nm). 63. Plunger (40) a.  Bottom in cup seat (60) with Set dial indicator at zero.  Weight fixture handle (57). (61) should be 10.1875 in. (258.76 mm) from centerline of dowel (62). b.  Release slowly. Observe travel required until plunger (40) spring washer con- tacts injector top-stop screw (53). Bottom plunger again and adjust stop (58) up or down as required until travel equals 0.224 in. (5.690 mm) 0.0005 in.  ( 0.0127 mm). 64. Top-stop locknut (54) Using torque wrench (59), tighten Recheck travel after torquing. to 55 lb-ft (75 Nm). FOLLOW-ON TASK:  Install injector assembly (para. 3-82). 3-382