Cylinder Head and Valves 10. Remove six cap screws securing camshaft gear retaining washer (A) and remove camshaft gear (B). NOTE: Later engines: 10.5 L S.N. (003764— ) and 12.5 L S.N. (010967— ) with single rail fuel systems do not have a fuel manifold. Return fuel line is connected to port of single rail in back of cylinder head. Inlet line and port are on left side of head up by No.1 cylinder. 02 020 14 RG8251A –UN–06DEC97 11. Remove fuel manifold block (C) on engines with dual rail systems, or disconnect fuel inlet and return lines on single rail systems. Refer to the appropriate fuel system repair manual. Removing Camshaft Gear Delphi/Lucas ECU controlled fuel systems:
See REMOVE AND INSTALL FUEL MANIFOLD in CTM115, Section 02, Group 090. John Deere Level 6 ECU controlled fuel systems: RG8264B –UN–06DEC97 See REMOVE AND INSTALL FUEL MANIFOLD in CTM188, Section 02, Group 090. 12. Remove fuel supply pump. Refer to the appropriate fuel system repair manual. Removing Supply Pump and Fuel Manifold (Early Engine Shown) Delphi/Lucas ECU controlled fuel systems: See REMOVE AND INSTALL FUEL SUPPLY PUMP in CTM115, Section 02, Group 090. John Deere Level 6 ECU controlled fuel systems: RG8544B –UN–10DEC97 See REMOVE AND INSTALL FUEL SUPPLY PUMP in CTM188, Section 02, Group 090 (dual rail fuel systems).
See REMOVE AND INSTALL FUEL SUPPLY PUMP in CTM188, Section 02, Group 091 (single rail fuel systems). DFRG4 Camshaft Locking Tool A—Gear Retaining Washer B—Camshaft Gear C—Fuel Manifold D—Fuel Supply Pump E—DFRG4 Camshaft Locking Tool Continued on next page RG,RG34710,65 –19–13AUG99–3/5 CTM100 (06APR04) 02-020-14 P OWER T ECH 10.5 L & 12.5 L Diesel Engines 040604 PN=86