TM 9-2815-225-34&P 3-35.  CYLINDER HEAD AND VALVE REPAIR THIS TASK COVERS: a.  Disassembly c.  Inspection and Repair b.  Cleaning d.  Assembly and Testing INITIAL SETUP: APPLICABLE MODELS MATERIALS/PARTS All Solvent, SD-3 (Appendix C, Item 30) Cloth, crocus (Appendix C, Item 4) SPECIAL TOOLS Oil, cutting (Appendix C, Item 18) Head holding fixture (15434) ST-583 Compound, Prussian blue (Appendix C, Item 9) Valve spring compressor (15434) ST-448 Oil, lubricating, OE/HDO 30 (Appendix C, Item 21) Fuel passage cleaning brush (15434) ST-876 Sealant, cup plug (Appendix C, Item 25) Valve seat extractor (15434) ST-1279 Liquid thread sealant (Appendix C, Item 27) Valve seat insert tool (15434) ST-257 Forty-eight valve collets (15434) 127554 Valve seat insert cutter (15434) ST-662 Four O-ring seals (15434) 131026 Valve guide arbor (15434) ST-663 Six 3/4-in. expansion plugs (15434) 213394 Valve seat insert staking tool (15434) ST-1124 1-in. expansion plug (15434) 213395 Valve seat insert staking tool driver (15434) Two 1-1/4 in. expansion plugs (15434) 216524   ST-1122 Injector assembly (15434) 3030445 Dowel pin extractor (15434) ST-1134 Injector clamp (15434) 3028171 Crosshead guide spacer (15434) ST-633 Two injector clamp screws (15434) 3028279 Valve guide driver (15434) 3375282 Six injector preformed packings (15434) 3007759 Gauge block (15434) 3376220 Injector sleeve puller (15434) ST-1244 PERSONNEL REQUIRED Bead cutting tool (15434) ST-788 Automotive repairman MOS 63H Injector seat cutting tool (15434) ST-824 Injector sleeve driver (15434) ST-1227 TROUBLESHOOTING REFERENCES Injector sleeve holding tool (15434) ST-1179 Para. 2-8 Injector sleeve expander (15434) ST-880 Injector seat cutter (15434) ST-884 EQUIPMENT CONDITION Valve spring tester (15434) 3375182 Cylinder head assembly removed (para. 3-24). Expansion plug driver (3/4-in.) (15434)   3375190 REFERENCES (TM) Expansion plug driver (1-in.) (15434) 3375191 None Expansion plug driver (1-1/4 in.) (15434)   3375192 SPECIAL ENVIRONMENTAL CONDITIONS Valve vacuum tester (15434) ST-1257-A Work area clean and away from blowing dirt and dust TEST EQUIPMENT None GENERAL SAFETY INSTRUCTIONS    Always wear eye protection when using com- pressed air.    Approved solvents may be flammable and will not be used near open flame. LOCATION/ITEM ACTION REMARKS a.  Disassembly NOTE This procedure covers repair of any one of three cylinder head assemblies.  Quantities shown in legend are for one cylinder head assembly. 1.   Two locking nuts (21) and Remove from intake valve adjusting screws (20) crossheads (22). 3-112