BEARING-ALIGNING 3807676 - Caterpillar

Installation Procedure
Ensure that all adjustments and repairs that are carried out to the fuel system are performed by authorized personnel that have the correct training.Before beginning ANY work on the fuel system, refer to Operation and Maintenance Manual, "General Hazard Information and High Pressure Fuel Lines" for safety information.Refer to Systems Operation, Testing and Adjusting Manual, "Cleanliness of Fuel System Components" for detailed information on the standards of cleanliness that must be observed during ALL work on the fuel system.
Ensure that the faces of the fuel injection pump and the fuel transfer pump are clean and free from damage. Replace any components that are damaged.
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Install a new O-ring seal (12) for fuel transfer pump (4).
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Align fuel transfer pump (4) with dowels (11) in fuel injection pump (5). Install the fuel transfer pump to the fuel injection pump.
Use an allen wrench with a ball end to install allen head bolts (6). Tighten the allen head bolts to a torque of 30 N m (22 lb ft).
Install a new O-ring seal to outlet connection (2). Install outlet connection (2) to fuel transfer pump (4). Tighten the connection to torque of 15 N m (11 lb ft).
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Install banjo bolt (8) and new sealing washers (10) to tube assembly (9).
Install banjo bolt (3) and new sealing washers (10) to tube assembly (9).
Install tube assembly (9) to the fuel return to fuel transfer pump (4) and to the cylinder head. Tighten banjo bolt (3) and banjo bolt (8) to a torque of 22 N m (16 lb ft).
If necessary, install a new O-ring seal to inlet connection (7). Install inlet connection (7) to fuel transfer pump (4). Tighten the connection to torque of 15 N m (11 lb ft). Note: If the tube assembly has quick fit connections, ensure that the connections are clean before the tube assembly is connected.
Install the plastic tube assembly to outlet connection (2) on the fuel transfer pump.
Install the plastic tube assembly to inlet connection (7) on the fuel transfer pump.
If necessary, connect the harness assembly to position sensor (1). Slide the locking tab into the locked position.
If necessary, connect the hose for the crankcase breather to the clip that secures the hose to the engine oil pan.
Install the mounting bracket for the electronic control module. Refer to Disassembly and Assembly, "ECM Mounting Bracket - Remove and Install".
Install the electronic control module. Refer to Disassembly and Assembly, "Electronic Control Module - Remove and Install".
Turn the fuel supply to the ON position.
Remove the air from the fuel system. Refer to Operation and Maintenance Manual, "Fuel System - Prime".