AMMETER AS 4W8642 - Caterpillar

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, "Dealer Service Tool Catalog" for tools and supplies suitable to collect and contain fluids on Cat products.Dispose of all fluids according to local regulations and mandates.
Illustration 1 g02846065
(1) Primary Fuel Filter (2) Water Separator (3) Drain Valve (4) Secondary Fuel Filter
Open the engine hood. The water separator is located on the bottom of the primary fuel filter on the right side of the machine.
Attach a hose to the bottom of the drain valve (3) . Open the drain valve on the bottom of the water separator bowl. Allow the water and the fuel to drain into a suitable container.
Close the drain valve.Note: The water separator is under suction during normal engine operation. Tighten the drain valve securely in order to prevent air leakage into the fuel system.
Close the engine hood.