HOSE AS 5334453 - Caterpillar

Removal 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 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.
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.
Turn the fuel supply to the OFF position.
Illustration 1 g01334899
Typical example
Remove plastic tube assembly (7) from fuel transfer pump (2) .Note: If the tube assembly has quick fit connections, ensure that the connections are clean before the tube assembly is plugged.
Disconnect plastic tube assembly (5) from the outlet of fuel transfer pump (2) .Note: If the tube assembly has quick fit connections, ensure that the connections are clean before the tube assembly is plugged.
Remove connector (6) from fuel transfer pump (2) . Remove the O-ring seal from connector (6) .If necessary, remove connector (9) from fuel transfer pump (2) . Remove the O-ring seal from the connector (9) .
Remove tube assembly (8) for the fuel return from the fuel transfer pump and the cylinder head.Note: Disconnect the tube assembly at the fuel transfer pump first in order to drain the fuel from the cylinder head.
Remove tube assembly (4) for the engine oil supply from fuel injection pump (1) .
Plug or cap all open ports and tube assemblies immediately with new plugs or caps.
Use an allen wrench with a ball end in order to remove allen head screws (3) that secure the fuel transfer pump to fuel injection pump (1) .
Illustration 2 g01335043
Remove fuel transfer pump (2) from fuel injection pump (1) .Note: Do not remove dowels (10) from the fuel injection pump.
Illustration 3 g01335045
Remove O-ring seal (11) from fuel transfer pump (2) .