DISC-FRICTION 1516399 - Caterpillar

Do not fill the secondary fuel filter with fuel before installing. The fuel would not be filtered and could be contaminated. Contaminated fuel will cause accelerated wear to fuel system parts.
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, "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.
Note: The secondary fuel filter is a standard flow filter. When you service the machine, the proper filter must be used.Note: Before you replace the secondary fuel filter, the primary fuel filter must be replaced. Refer to the Operation and Maintenance Manual, "Fuel System Filter and Water Separator - Replace".
Park the machine on a level surface. Ensure that the parking brake is fully engaged.
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Use a strap wrench and remove the secondary fuel filter. Discard the secondary fuel filter properly.
Clean the fuel filter base.
Coat the seal for the new secondary fuel filter with clean diesel fuel prior to installation.
Install the new secondary fuel filter by hand.Instructions for the installation of the filter 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.
Start the engine and check for leaks.