Relieving Fuel System Pressure on Ford E series?

Fuel pressure relieving details are as follows:----

Just go through procedure and diagram shown below:-------

Specific to:

Ford E-350 Super Duty 2008-2009

1. Before servicing the vehicle, refer to the Precautions Section.
2. Raise and safely support the vehicle.
3. Disconnect both battery ground cables.
4. Open the fuel/water separator drain valve to release the fuel pressure. 
   
   
   
   Fig. Open the fuel/water separator drain valve to release the fuel pressure-6.0L Engine

This will help.
Thanks.

FOR MORE HELP GO TO: ---

Car repair guide?

http://technoanswers.blogspot.in/2012/03/car-repair-guide.html