Every 20,000 Miles or 500 Service Hours Whichever Occurs First
Usage:
Fuel Filters - Final Fuel Filter
Service the fuel filters at regular intervals determined by fuel conditions.
- 1. Unscrew and remove the filter.
- 2. Clean the gasket sealing surface on the filter base.
- 3. Lubricate the new filter gasket with clean diesel fuel.
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| NOTICE |
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Do not pour fuel into the new filter element before installing. Prime the system as instructed in the topic, "To Prime the Fuel System". |
- 4. Tighten the filter by hand until the gasket contacts the base, then tighten 1/2 to 3/4 turn more.
- 5. Turn the fuel supply valve on.
- 6. Start the engine and run at 1000 RPM for several minutes and check for leaks. If the engine fails to start, prime the fuel system. See the topic "To Prime the Fuel System".
Primary Filter
- 1. Stop the engine.
- 2. Shut off the fuel tank supply valve.
- 3. Loosen the nut (1) on the filter cover and lower the filter case (3).
- 4. Remove the element (2) and wash in clean, non-flammable solvent.
- 5. Reinstall the element.
To Prime the Fuel System
- 1. Open the vent valve on the injection pump.
- 2. Unlock the priming pump and operate the priming pump until fuel flows free of air bubbles.
- 3. Close the vent valve and lock the priming pump.
Caterpillar Information System:
3306 TRUCK ENGINE Every 10,000 Miles or 250 Service Hours Whichever Occurs First
3306 TRUCK ENGINE Engine Crankcase
3306 TRUCK ENGINE Every 400 Miles or Daily Whichever Occurs First
3306 TRUCK ENGINE Lubrication and Maintenance Chart
3306 TRUCK ENGINE Recommended Lubricants, Fuels, and Coolants
3306 TRUCK ENGINE Engine Specifications
3306 TRUCK ENGINE Maintenance Recommendations
3306 TRUCK ENGINE Stopping the Engine
3306 TRUCK ENGINE Operating the Engine
3306 TRUCK ENGINE Starting the Engine
3306 TRUCK ENGINE Before Starting
3306 TRUCK ENGINE Safety
3306 TRUCK ENGINE Every 30,000 Miles or 750 Service Hours Whichever Occurs First
3306 TRUCK ENGINE Every 50,000 Miles or 1,000 Service Hours Whichever Occurs First
3306 TRUCK ENGINE Every 100,000 Miles or 2,500 Service Hours Whichever Occurs First
3306 TRUCK ENGINE Troubleshooting
3306 TRUCK ENGINE Emission Related Components Required Maintenance And Warranty Information
3306 TRUCK ENGINE Important Reference Numbers
3408 TRUCK ENGINE Foreword
3408 TRUCK ENGINE Emergency Service (U.S.A. Only)
3408 TRUCK ENGINE General Information
3408 TRUCK ENGINE Model View
3408 TRUCK ENGINE Safety
3408 TRUCK ENGINE Before Starting