LINES GP-COUPLER 3156315 - Caterpillar

Fuel leaked or spilled onto hot surfaces or electrical components can cause a fire.Turn the disconnect switch OFF when draining and/or removing any fuel system components.
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.
Illustration 1 g01265849
Drain valve (1) is located at the bottom of the fuel tank behind the left tandem housing.
Remove the fuel tank drain plug. Drain the water and sediment into a suitable container.
Install the fuel tank drain plug.
Illustration 2 g01265860
Note: If you need to flush the fuel sump, use drain valve (2) which is located at the bottom of the fuel tank behind the right tandem housing.