VALVE-RELIEF 3807428 - Caterpillar

Removal Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 195-4609 Seal Pick 1
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 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.
Care must be taken to ensure that fluids are contained during performance of inspection, maintenance, testing, adjusting and repair of the product. Be prepared to collect the fluid with suitable containers before opening any compartment or disassembling any component containing fluids.Dispose of all fluids according to local regulations and mandates.
Illustration 1 g01459748
Typical example
Slide locking tab (2) into the unlocked position.
Disconnect harness assembly (3) from fuel pressure sensor (1).
Use a deep socket to remove fuel pressure sensor (1) from the fuel manifold. Note: After the engine has stopped, allow the pressure to dissipate for 60 seconds before removing the fuel pressure sensor.
If necessary, use Tooling (A) in order to remove sealing washer (4) from the fuel manifold. Note: Do not damage the seat for the washer in the fuel manifold. Ensure that no debris enters the fuel manifold during the removal of the sealing washer.
Plug the open port in the fuel manifold immediately with a new plug. Installation Procedure
Table 2
Required Tools
Tool Part Number Part Description Qty
B 8T-3052 Degree Wheel 1
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Illustration 2 g01459748
Typical example
Position a new sealing washer (4) onto fuel pressure sensor (1).
Remove the plug from the fuel manifold.
Install fuel pressure sensor (1) to the fuel manifold. Use a deep socket to tighten the fuel pressure sensor to a torque of 5 N m (44 lb in). Use Tooling (B) to turn the fuel pressure sensor through an additional 120 degrees.
Connect harness assembly (3) to fuel pressure sensor (1).
Slide locking tab (2) into the locked position.
Remove the air from the fuel system. Refer to Operation and Maintenance Manual, "Fuel System - Prime".