TM5-6115-593-34 NAVFAC P-8-631-34 TO-35C2-3-463-2 uncalibrated control without pre-determining its proper setting prior to reengergizing the equipment. 2-11.  WELDING.  Proper preparation is an important factor in welding, reference TM9-237.  Edges to be joined must be clean.  Necessary arrangements for holding parts in proper alignment during welding should be made.  Oil, grease, paint, or foreign matter of any kind must be removed.  With edges properly prepared for welding, the steps should be taken to make certain that the finished job will be in correct alignment. Table 2-1.  Special Tools, Test, and Support Equipment NSN or REFERENCE ITEM REFERENCE NO. FIG NO. PARA NO. USE Test stand, injector ST-990 13-17 13-13 Test injectors leakage Plunger extension ST-1089 - 13-13 Disassemble injectors Spray angle tester ST-668 13-18 13-13 Test injectors Test stand, injector ST-790 13-19 13-13 Test injectors Holding fixture ST-1298 - 13-13 Disassemble injectors Retainer wrench ST-995 - 13-13 Disassemble injectors Crowfoot wrench ST-1072 - 13-13 Disassemble injectors Injector sleeve cutter ST-884 - 13-27 Rebuilding of cylinder head Adapter wrench ST-890 - 13-27 Rebuilding of cylinder head Hydrostatic tester ST-1012 - 13-27 Hydrostatic test test of cylinder head Rod checking fixture ST-561 - 13-33 Check piston rod alignment Puller ST-647 - 13-17 Pull water pump impeller Ream Fixture ST-490 - 13-14 Overhaul fuel pump Injector sleeve holding ST-1179 - 13-27 Hydrostatic test of cylinder head Valve seat insert cutter ST-662 - 13-27 Rebuilding of set cylinder head Fuel pump spring pack ST-984 - 13-14 Adjust governor adjusting tool spring pack Oil seal assembly tool ST-419 - 13-8 and Assemble tachometer 13-10 drive 2-2