Cylinder Head and Valves Remove Cylinder Head On some applications, it may be necessary to remove engine from machine to service cylinder head. Refer to your Machine Technical Manual for engine removal procedure. 02 020 12 RG8187A –UN–05DEC97 CAUTION: After operating engine, allow exhaust system to cool before servicing engine. DO NOT drain coolant until the coolant is below operating temperature. Only remove radiator filler cap when cool enough to touch with bare hands. Slowly loosen cap to first stop to relieve pressure before removing completely. Removing Turbocharger and Exhaust Manifold A—Turbocharger B—Exhaust Manifold C—Thermostat Housing/Water Manifold 1. Drain all oil and coolant.
2. Remove intake manifold (6105H and 6125H engines). (See REMOVE, INSPECT AND INSTALL INTAKE MANIFOLD in Group 080.) 3. Remove turbocharger (A). (See REMOVE TURBOCHARGER in Group 080.) 4. Remove exhaust manifold (B). (See REMOVE, INSPECT AND INSTALL EXHAUST MANIFOLD in Group 080.) 5. On 6105A and 6125A engines, remove aftercooler assembly. (See REMOVE AND INSTALL AFTERCOOLER ASSEMBLY in Group 080.) 6. Remove thermostat housing/water manifold (C). (See REMOVE AND INSTALL THERMOSTAT HOUSING in Group 070.) 7. Remove rocker arm assembly. (See REMOVE AND INSTALL ROCKER ARM ASSEMBLY, earlier in this group). 8. Remove electronic unit injectors and wiring harness.
Refer to the appropriate fuel system repair manual. Delphi/Lucas ECU controlled fuel systems: CTM100 (06APR04) 02-020-12 P OWER T ECH 10.5 L & 12.5 L Diesel Engines Continued on next page RG,RG34710,65 –19–13AUG99–1/5 040604 PN=84