
SEBU8213-04 115
Maintenance Section
Fuel System Water Separator - Drain
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Illustration 156
2. Place a suitable container under the fuel filter in
order to catch any fuel that might spill. Clean up
any spilled fuel.
3. Clean the outside of secondary fuel filter (1). Use a
suitable tool in order to remove the fuel filter from
the engine and dispose of the filter in a safe place.
4. If maintenance is required, remove the filter.
5. Clean filter mounting base. Make sure that the old
seal is removed.
6. Ensure that dirt can not enter the new fuel filter.
Do not fill the filter with fuel before the fuel filter
is installed.
7. Apply a thin coat of clean diesel fuel to the seal on
the new filter. Install a new fuel filter by hand.
Note: Instructions for the installation of the filters are
printed on the side of each Caterpillar spin-on filter.
For non-Caterpillar filters, refer to the installation
instructions that are provided by the supplier of the
filter.
8. Prime the fuel system. Refer to the Operation and
Maintenance Manual, “Fuel System - Prime” for
more information.
9. Before you start the engine, make sure that the
drain valves are completely closed. Start the
engine. Check for leaks.
10. Close the left engine access door.
i02807412
Fuel System Water Separator
-Drain
SMCS Code: 1263-543; 1263
Fuel leaked or spilled onto hot surfaces or elec-
trical components can cause a fire. To help pre-
vent possible injury, turn the start switch off when
changing fuel filters or water separator elements.
Cleanupfuelspillsimmediately.
NOTICE
Ensure that the engine is stopped before any servicing
or repair is performed.
NOTICE
The water separator can be under suction during nor-
mal engi
ne operation. Ensure that the drain valve is
tightened securely to help prevent air from entering
the fuel system.
NOTICE
Care must be taken to ensure that fluids are contained
during performance of inspection, maintenance, test-
ing, adjusting and repair of the product. Be prepared to
collect the fluid with suitable containers before open-
ing any compartment or disassembling any compo-
nent containing fluids.
Refer to Special Publication, NENG2500, “Caterpillar
Dealer Service Tool Catalog” for tools and supplies
suitable to collect and contain fluids on Caterpillar
products.
Dispose of all fluids according to local regulations and
mandates.
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Illustration 157