CYLINDER AS 4658668 - 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.
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.
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Place a suitable container directly underneath the drain valve. The Drain is located under the primary fuel filter/water separator.
Open drain. Allow the fluid to drain into the container.
After the separator is completely drained, close drain by hand pressure only. Dispose of the drained fluid in a safe place.