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TUBE AS 3157489 - Caterpillar

3157489 TUBE AS Caterpillar parts TUBE
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Caterpillar 3157489 TUBE AS

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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.
Do not allow dirt to enter the fuel system. Thoroughly clean the area around a fuel system component that will be disconnected. Fit a suitable cover over disconnected fuel system component.
Do not use a tool in order to remove the fuel filter. Attempting to remove the fuel filter with a filter wrench or a filter strap could damage the locking ring.
Illustration 1 g02546577
Place a tray under fuel filter (1) in order to catch any fuel that might spill. Clean up any spilled fuel immediately.
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.Refer to Special Publication, NENG2500, "Dealer Service Tool Catalog" for tools and supplies suitable to collect and contain fluids on Cat products.Dispose of all fluids according to local regulations and mandates.
Clean the outside of fuel filter assembly. Open the drain (4) on the bottom of the fuel filter. Drain the fuel and the water from the element into a suitable container.
Hold the element and rotate the locking ring (2) counterclockwise. Remove the locking ring (2). The used filter element should be removed and discarded.
Remove the sediment bowl (3) from the element.
Thoroughly clean the sediment bowl (3). Inspect the O-ring seals. Install new O-ring seals, if necessary.
Install the sediment bowl to the new element. Hand tighten the sediment bowl.Note: Hand tightening is the only method that should be used.
Do not fill fuel filters with fuel before installing them. Contaminated fuel will cause accelerated wear to fuel system parts.
Ensure that the filter head is clean. Push a new element fully into the filter head.
Hold the element in place. Fit the locking ring (2) into position. Rotate the locking ring clockwise in order to fasten the element to the filter head.Note: If the nylon insert was removed, install the nylon insert and install the cap.
Prime the fuel system. Refer to the Operation and Maintenance Manual, "Fuel System - Prime" in the Maintenance Section for more information.

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