1947 Ford F 472 A – Workshop Service & Repair Manual

If you notice fuel in the crankcase, follow these steps:

1. Check Oil Condition: Verify if the oil smells like gasoline, indicating fuel contamination.
2. Inspect Fuel Mixture: Adjust the fuel mixture to avoid running too rich, which can wash oil off the cylinder walls.
3. Change Oil: Drain the contaminated oil from the crankcase and replace it with fresh oil.
4. Monitor: After making adjustments, keep an eye on the oil level and condition to ensure the problem is resolved.

Our manual provides detailed instructions on handling fuel contamination and maintaining the correct fuel mixture.

If the fuel pump diaphragm is ruptured and causing excessive fuel in the crankcase:

1. Drain the Oil: Remove the contaminated oil from the crankcase.
2. Disconnect Fuel Line: Detach the fuel line from the pump to stop further fuel from entering the crankcase.
3. Turn Engine Over: Crank the engine to allow the bearings to re-lubricate without fuel.
4. Replace the Fuel Pump: Install a new fuel pump diaphragm to prevent future issues.
5. Refill Oil: Add fresh oil to the crankcase.

Our manual includes detailed steps for repairing fuel pump issues and ensuring proper fuel system maintenance.

To address stuck accessories:

1. Identify the Accessory: Determine which accessory is stuck, such as the alternator or water pump.
2. Inspect for Obstructions: Check for any debris or mechanical issues causing the accessory to stick.
3. Free the Accessory: Gently free the stuck accessory by applying lubrication or gently tapping it if necessary.
4. Test Functionality: Once freed, test the accessory to ensure it operates correctly.

Our manual provides troubleshooting tips and repair procedures for stuck accessories.

To avoid fuel contamination:

1. Adjust Fuel Mixture: Ensure the fuel mixture is not too rich to prevent washing oil off the cylinder walls.
2. Maintain Fuel System: Regularly check and service the fuel pump and other components to prevent malfunctions.
3. Monitor Engine Performance: Watch for any signs of running issues that could indicate a problem with the fuel system.

Our manual offers preventative maintenance tips and detailed procedures to help avoid fuel contamination problems.

For routine maintenance of the fuel pump:

1. Inspect Regularly: Check the fuel pump and diaphragm for signs of wear or damage.
2. Replace Parts: If you find issues, replace the fuel pump diaphragm or other worn components.
3. Check Fuel Lines: Ensure fuel lines are not cracked or leaking.
4. Test Pump Functionality: Verify that the fuel pump is operating correctly and supplying fuel to the engine properly.

Our manual provides comprehensive maintenance guidelines and repair tips for keeping the fuel pump in good working condition.