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TM 9-2815-225-34&P 3-52. FUEL INJECTOR REPAIR (Contd) LOCATION/ITEM ACTION REMARKS d.  Assembly CAUTION Be certain all mating surface parts are clean and free of burrs or defects which will result in incorrect flow or torque. 19. Check ball (12) Insert in barrel (9). 20. Two roll pins (13) Install on top-stop adapter (7). CAUTION Be  aware  that  check  ball  could  fall  out  during  assembly  of  barrel  and  injector  cup  which could render injector useless. 21. Barrel (9) and injector cup Insert in top-stop adapter (7). Apply a light coat of OE/HDO 10 (10) lubricating oil to barrel (9) and injector cup (10). 22. Cup retainer (11) and top- Screw down finger-tight.  Loosen stop adapter (7) 1/4 turn. WARNING Do not perform fuel system procedures while smoking or within 50 ft (15.2 m) of sparks or open  flame.    Diesel  fuel  is  flammable  and  may  explode.    Failure  to  comply  may  result  in injury to personnel. 23. Plunger(2) Insert in injector assembly (1). Immerse plunger (2) in clean diesel fuel. 24. Injector assembly (1) Place in injector stand (17) as follows: a.  Position base with single pin in center of injector stand (17). b.  Back off stud (22) from injector Lubricate threads on stud (22) stand (17) and slide clamp bar (21) and screw in injector stand (17) over injector assembly flats (20). with OE/HDO 10 lubricating oil. c.  Place retainer cup wrench (19) on cup retainer (11). d.  Tighten stud (22) in injector This aligns cup and injector stand (17) to 75 lb-in.  (8.  Nm). plunger. CAUTION When removing injector from injector stand, do not hit cup retainer on stud. e.  Tighten cup retainer (11) with Use crowfoot wrench (ST-1072). crowfoot wrench to 53-57 lb-ft Remove from injector stand (72-77 Nm). (ST-1298) (17) when task is com- pleted. 25. Plunger (2) Check injector cup (10) to plunger (2) alignment as follows: a.  Coat plunger (2) with clean Hold injector assembly (1) with diesel fuel. injector cup (10) down and allow plunger (2) to drip a few drops of diesel fuel. 3-348


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