OIL PUMP 7S9841 - Caterpillar

1. Remove the air cleaner housing. Remove the shield and bracket from the turbocharger and the pipe assembly. 2. Remove the bolt, nut, spacer and bracket (1) from the exhaust manifold.3. Thoroughly clean the area around each fuel line connection before the removal of any fuel lines.4. Use two wrenches, one to hold adapter assemblies (2) so they will not turn and one to loosen nuts (3).5. Loosen nuts (6), and remove fuel injection lines (4) from the fuel injection pump and the adapter assemblies as a unit.6. Put caps or plugs on all fuel system openings to keep dirt or foreign material out of the fuel system.
If clamps (5) are not installed in their exact location, vibration can cause fuel injection lines (4) to break and cause possible personal injury or damage to the engine.
7. If a separation of fuel injection lines (4) has to be made, make sure the exact location of clamps (5) are marked for assembly purposes. Remove the clamps, and make a separation of fuel injection lines (4). The following steps are for installation of the fuel lines.8. Connect fuel injection lines (4) together with clamps (5). Make sure the clamps are installed in their original locations.9. Remove the caps and plugs from the fuel system openings, and make sure the fuel injection lines are clean and dry.
The fuel injection lines must not make contact with other fuel lines or engine components except at fittings and clamps.
10. Put fuel injection lines (4) in position on the engine as a unit. Use a wrench to hold the adapter assemblies, so they will not turn. Use tool (A) and a torque wrench to tighten fuel injection line nuts (3) at adapter assemblies (2) to a torque of 40 7 N m (30 5 lb ft). When a crowfoot wrench is used with a torque wrench, a correction is necessary for the dial reading. To find the amount of correction necessary, use the Caterpillar Torque Computer, Form No. GEGO2229.11. Use tool (B) and a torque wrench to tighten fuel injection line nuts (6) at the fuel injection pump to a torque of 40 7 N m (30 5 lb ft).12. Remove (bleed) the air from the fuel system. See the Operation and Maintenance Manual.13. Put the spacer and bracket (1) in position on the exhaust manifold, and install the bolt and nut to hold them in place.14. Put 5P3931 Anti-Seize Compound on the threads of the bolts and clamps that hold the shield and bracket in place, and install the shield and bracket on the turbocharger and pipe assembly. Install the air cleaner housing.