TM 9-2815-225-34&P 3-82.  INJECTOR ASSEMBLY INSTALLATION THIS TASK COVERS: Installation INITIAL SETUP: APPLICABLE MODELS REFERENCES (TM) All None SPECIAL TOOLS TROUBLESHOOTING REFERENCES Injector puller (15434) 3376872 Para. 2-8 TEST EQUIPMENT EQUIPMENT CONDITION None Injection timing completed (para. 3-72). MATERIALS/PARTS SPECIAL ENVIRONMENTAL CONDITIONS Oil, lubricating OE/HDO 10 Work area clean and away from blowing dirt and (Appendix C, Item 20) dust. Three preformed packings (15434) 193736 GENERAL SAFETY INSTRUCTIONS PERSONNEL REQUIRED None Automotive repairman MOS 63H LOCATION/ITEM ACTION REMARKS CAUTION If  injector  assembly  fails  to  seat  completely,  remove  and  check  for  a  twisted  or  damaged preformed packing (O-ring). NOTE   Inspect fuel cooling sleeve in cylinder head prior to installing injector.  Remove any dirt with a lint-free cloth.   The  following  procedure  involves  installation  of  one  injector  assembly.    Installation  of remaining five is similar.   Ensure injector assemblies are installed in same location as noted during removal. Installation 1. Three new preformed Lubricate lightly with OE/HDO 10 packings (3) and injector lubricating oil. assembly (M915/Big Cam I) or fuel injection nozzle assembly (M915A1/Big Cam III) (7) 2. Injector assembly (M915/ Install on fuel cooling sleeve Align filter screen of fuel inlet Big Cam I) or fuel injection (4) of cylinder head assembly (5). (6) hole so that it is toward nozzle assembly (M915/ exhaust side of the cylinder Big Cam III) (7) head assembly (5).  Use injector puller (3376872) for installation. A snap should be heard and felt as injector assembly (M915/Big Cam I) or fuel injection nozzle assembly (M915A1/Big Cam III) (7) seats in fuel cooling sleeve (4) of cylinder head assembly (5). 3-632