116 Maintenance Section Fuel System Primary Filter (Water Separator) - Drain 4. Start the engine. Look for leaks around the fuel filter assembly. If the engine does not start, or if the engine misfires, more priming is necessary. i01556371 Fuel System Primary Filter (Water Separator) - Drain SMCS Code: 1263-543 S/N: 5SK1990-Up S/N: 8TK3231-Up NOTICE Care must be taken to ensure that fluids are contained during performance of inspection, maintenance, test- ing, adjusting and repair of the product. Be prepared to collect the fluid with suitable containers before open- ing any compartment or disassembling any compo- nent containing fluids. g00808970 Illustration 188 2.
Open the drain valve on the bottom of the water separator bowl. Allow the water and the fuel to drain into a suitable container. Refer to Special Publication, NENG2500, “Caterpillar Tools and Shop Products Guide” for tools and supplies suitable to collect and contain fluids on Caterpillar products. 3. Close the drain valve. Dispose of all fluids according to local regulations and mandates. 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. 4. Close the engine access door. g00729143 Illustration 187 1. Open the engine access door on the right side of the machine.
The water separator is located on the bottom of the primary fuel filter.