BUSHING-REDUCER 6B5072 - Caterpillar

Fuel leaked or spilled onto hot surfaces or electrical components can cause a fire. To help prevent possible injury, turn the start switch off when changing fuel filters or water separator elements. Clean up fuel spills immediately.
Note: Refer to 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 all adjustments, maintenance and repairs are performed by authorized personnel that have had the correct training.Single Filter
Ensure that the engine is stopped before any servicing or repair is performed.
After the engine has stopped, you must wait for 60 seconds in order to allow the fuel pressure to be purged from the high pressure fuel lines before any service or repair is performed on the engine fuel lines. If necessary, perform minor adjustments. Repair any leaks from the low pressure fuel system and from the cooling, lubrication or air systems. Replace any high pressure fuel line that has leaked. Refer to Disassembly and assembly Manual, "Fuel Injection Lines - Install".
Illustration 1 g01566557
The engine can have the ability to auto start. Ensure that the power supply is isolated before any service or repair is performed.
Ensure that the fuel supply valve is in the OFF position. Place a suitable container under the fuel filter in order to catch any fuel that might spill. Clean up any spilled fuel.
Clean the outside of the fuel filter. Use 1U-8760 Chain Wrench in order to remove canister (1) from the engine and dispose of the canister in a safe place.
Lubricate O ring seal (2) with clean engine oil. Do not fill the new canister with fuel before the canister is installed.
Do not use a tool in order to install the canister. Tighten the canister by hand.
Install the new canister. Spin on the canister until the O ring seal contacts the filter base. Then rotate the canister 360 degree in order to tighten the canister correctly.
Remove the container and dispose of the fluid in a safe place. Open the fuel supply valve.
Prime the fuel system. Refer to the Operation and Maintenance Manual, "Fuel System - Prime" for more information. Duplex Filters
Illustration 2 g01674473
(A) The fuel flow is to the left hand fuel filter.
(B) The fuel flow is to both fuel filters.
(C) The fuel flow is to the right hand fuel filter.
Illustration 3 g01566558
Typical example
The control lever will point in the direction of the fuel filter that is active. With the control lever in position A, the right hand fuel filter can be replaced. With the control lever in position C, the left hand fuel filter can be replaced. Refer to illustration 2.
Isolate the contaminated filter by rotating the control lever into position A or position C.
Place a soft cloth over the vent of the filter that has been isolated, before opening the vent screw.
Open the vent screw and then close the vent screw on the filter that has been isolated. This will relieve any pressure that is still in