DIFFERENTIAL & BEVEL GEAR GP 3125910 - Caterpillar

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 System Operation, Testing and Adjusting, "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 wiring harness are correctly routed and the cable straps are not over tightened. Over tightening of the cable straps will damage the wiring harness convoluting.
This installation procedure is for installing all fuel injection line between the fuel manifold, the electronic unit injectors, and the fuel injection pump. Loosening of all the electronic unit injectors and the fuel manifold will be necessary. Refer to Disassembly and Assembly, "Electronic Unit Injector - Remove" and Disassembly and Assembly, "Fuel Manifold (Rail) - Remove and Install" and for correct procedure.
Illustration 2 g03667375
Install new seals (7) to the electronic unit injector and the cylinder head. Ensure that the flange on the seals is flush with the cylinder head.
Remove the caps from new fuel injection line (1) and new fuel injection line (2).
Remove the caps from the appropriate ports in fuel manifold (15) and fuel injection pump (8).
Position fuel injection line (1) and fuel injection line (2) onto fuel injection pump (8) and fuel manifold (15). Hand tighten the nuts for the fuel injection line onto the fuel manifold and the fuel injection pump.
Ensure that the ends of fuel injection line (1) and fuel injection line (2) are correctly seated in the fuel manifold and the fuel injection pump.
Position the clamp and isolator (9) onto the fuel injection lines. Install new bolt (10) hand tight. Ensure that the isolators are correctly positioned onto the fuel injection lines.Position the clamp and isolator (12) onto the fuel injection lines. Position the spacer behind clamp (12) and install new bolt (11) hand tight. Ensure that the isolators are correctly positioned onto the fuel injection lines.Note: On some engines there may be only one clamp retaining the fuel injection lines to the cylinder head.
Position the clamps and isolator (13) to the fuel injection lines. Install the nut and bolt (14) hand tight.Note: Ensure that the isolators are correctly positioned onto the fuel injection lines.
Remove the caps from new fuel injection lines (3) and new fuel injection lines (5).
Remove the caps from the port of the electronic unit injector and from the ports in fuel manifold (15).
Loosely connect the nuts at both ends of fuel injection line (3) and fuel injection lines (5) to the electronic unit injector and to the appropriate port in fuel manifold (15). Ensure that the ends of the fuel injection line are correctly seated in the electronic unit injector and in the fuel manifold.
Install clamp and isolator (4) to the assembly of fuel injection pipe (3).
Install clamp and isolator (6) to the assembly of fuel injection