Page 14 MAINTENANCE SECTION 2 FUEL FILTER 1. Open the engine side cover located on the right of the engine hood. 2. Using a filter wrench, remove cartridge (1) by turning it counterclockwise. 3. Clean the area around the fuel filter head. Remove the fuel filter. Clean the gasket surface of the filter head. 4. Clean the filter base fill the new cartridge with fuel and refit it after applying a dab of oil to the gasket face. * Be careful not to tighten it up excessively. * * Be sure to fit a genuine Cummins cartridge. * Tighten the filter until the gasket contacts the filter head surface.
Tighten the filter as additional one-half to three-fourths (l/2 to 3/4) turn after the gasket contacts the filter head surface. * Replace once every 6 months, regardless of the number of hours operated.