SCREW 3038578 - 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.
Illustration 1 g01453091
Typical primary fuel filter/water separator
(1) Primary fuel filter element
(2) Collection bowl for the water separator
(3) Drain for the water separator The bowl should be monitored daily for signs of water. If water is present, drain the water from the bowl.
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, "Cat Dealer Service Tool Catalog" or refer to Special Publication, PECJ0003, "Cat Shop Supplies and Tools Catalog" for tools and supplies suitable to collect and contain fluids on Cat products.Dispose of all fluids according to local regulations and mandates.
Open the drain. The drain is a self-ventilated drain. Catch the draining water in a suitable container. Dispose of the water properly.
Close the drain.
The water separator is under suction during normal engine operation. Ensure that the drain valve is tightened securely to help prevent air from entering the fuel system.