- Attach a small piece of hose to the drain cock onto
the water-in-fuel sensor.
 
- Place an approved fuel-resistant container under the fuel filter.
 
- Open the drain cock 3 or 4 turns or until
the water contaminated fuel seeps from the drain cock.
 
- Operate the priming pump until only diesel
fuel is visible. Allow the pump to return upward between pushes.
 
- Tighten the drain cock.
 
- Remove the container and hose.