TM 9-2815-225-34&P 3-55.  FUEL INJECTOR TESTING; TEST NO. 3 (Contd) LOCATION/ITEM ACTION REMARKS b.  Setting Up Injector on Test NOTE   The top-stop adjustment is made after top-stop type injector is calibrated.   Install 0.020 in. (0.508 mm) restriction orifice in cup seat and tighten to 6 lb-in. (0.9 Nm). 28. Filter and screen clip (43) Remove. and filter screen (44) 29. Plunger (40) and injector Remove. spring (42) 30. Plunger (40) Place in injector assembly (39) without injector spring (42). 31. Adapter (28) Lubricate inside with diesel Lubrication permits O-rings to fuel. slide more easily in adapter (28). 32. Injector assembly (39) a.  Position in adapter (28) so injector assembly (39) inlet port and adapter (28) inlet holes are aligned. b.  Secure by tightening locating screw (41) on adapter (28). 33. Fuel inlet connector (30) Connect to adapter (28). 3-370