FAN GP-REVERSIBLE 4754903 - Caterpillar

1. Using Tool (A), remove fuel filter (4).2. Remove fuel pressure sending unit (3) from the fuel filter base.3. Mark the position of breather assembly (2) for installation purposes. Remove the bolt that secures breather assembly (2) to the fuel filter base. Remove breather assembly (2) and the O-ring seal from the fuel filter base.4. Disconnect tube assembly (6) from the fuel filter base.5. Disconnect tube assembly and bypass valve (1) from the fuel filter base.6. Remove four bolts (5) and washers that hold the fuel filter base to the engine. Two bolts are located underneath the fuel filter base. When removing the bolts the wiring harness and clip for the fuel pressure sending unit will come free.7. Remove the fuel filter base and the gasket from the engine. 8. Remove fuel pressure bypass valve (2) from the tube assembly. The following steps are for the installation of the fuel filter base and fuel filter.9. Check the condition of the gasket for the fuel filter base, the O-ring seal for the breather assembly and the O-ring seals used in the tube assemblies that connect to the fuel filter base. If the gasket and the seals are damaged, use new parts for replacement.10. Put the gasket and the fuel filter base in position on the engine.11. Install four bolts (5) and washers that hold it. Two bolts are located underneath the fuel filter base. Remember to install the wiring harness and clip for the fuel pressure sending unit.12. Connect tube assembly (6) to the fuel filter base.13. Install fuel pressure bypass valve (1) to the tube assembly. Connect the tube assembly and bypass valve (1) to the fuel filter base.14. Install the O-ring seal and breather assembly (2) on the fuel filter base. After positioning the breather assembly, install the bolt and tighten the bolt that holds it to a torque of 7 2 N m (62 18 lb in).15. Install fuel filter (4). For information regarding filter installation and service intervals, refer to the "Operation & Maintenance Manual."End By:a. install engine oil filler group