VALVE GP-PUMP CONTROL 3469615 - Caterpillar

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If necessary, remove the fuel filter base. Refer to Disassembly and Assembly, "Fuel Filter Base - Remove and Install" for the correct procedure.
If necessary, remove the fuel priming pump. Refer to Disassembly and Assembly, "Fuel Priming Pump - Remove" for the correct procedure.
If necessary, remove the crankcase breather (Filtered Breather). Refer to Disassembly and Assembly, "Crankcase Breather (Filtered Breather) - Remove" for the correct procedure. Note: Either Tooling (A) can be used. Use the Tooling that is most suitable.
Contact with high pressure fuel may cause fluid penetration and burn hazards. High pressure fuel spray may cause a fire hazard. Failure to follow these inspection, maintenance and service instructions may cause personal injury or death.
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.
Turn the fuel supply to the OFF position.
Turn the battery disconnect switch to the OFF position.
Remove the valve mechanism cover. Refer to Disassembly and Assembly, "Valve Mechanism Cover - Remove and Install" for the correct procedure.
Use Tooling (A) in order to rotate the crankshaft so that number one piston is in the Top Dead Center Position on the compression stroke.
Remove the front cover. Refer to Disassembly and Assembly, "Front Cover - Remove and Install" for the correct procedure.
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Install Tooling (B) through Hole (X) in order to lock the crankshaft.
Remove nut (3) and spring washer (4) (not shown).
Remove gear (1) from fuel injection pump shaft (2).
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Place a suitable container below fuel injection pump (13) in order to catch any fuel that might be spilled.
Clean fuel injection pump (13) and the area around the fuel injection pump. Ensure that the area is free from contamination before beginning disassembly.
Remove fuel injection lines (5) from the fuel injection pump and the fuel manifold. Refer to Disassembly and Assembly, "Fuel Injection Lines - Remove" for the correct procedure. Note: Discard the fuel injection lines.
Remove banjo bolt (6) from tube assembly (8). Remove sealing washers (7) (not shown). Use Tooling (C) in