TM  10-3930-638-24&P 4-3.   FUEL   SYSTEM   MAINTENANCE   (cont) a. Fuel Injector (cont). STEP LOCATION ITEM ACTION REMARKS REASSEMBLY 26 27 28 29 30 31 32 33 34 All parts Valve (7) Locating plate (10) Lift  adjusting screw (9) Pressure   adjusting screw locknut (3) Lift  adjusting screw locknut (8) Spring  (5)  and spring seat (6) Compression seal  (2) Carbon  dam seal  (1) Wash  and flush Install Install Install  in pressure adjusting screw (4) Install Install Install Install Install Wet all parts and hands with clean diesel fuel during assembly Handle valve by its shank and slide it partially  into  body  (11) On screw (4) On screw (9) Install on lift and pressure adjusting screw assembly. Tilt injector body and with spring seat contacting valve top, push valve and spring components into body. Exercise care not to dislodge spring seat during reassembly. Thread pressure ad- justing screw into body by hand until spring is compressed enough to hold all parts in place Use carbon seal tool P/N A42499 as shown Test and adjust fuel injector 4-85