I got a stupid question. I just purchased a F-250 4x4 with man. lock hubs. I have always had the auto lock hubs. I have no manual with the vehicle. Whats the proper procedeure for engaging the 4 wheel drive? do you lock out the hubs first? Or does it matter?

 

Welcome to FTE, nice to have you on board.
Here are the links to the forums: https://www.ford-trucks.com/forums/index.php
Be sure to visit you local Michigan Chapter and join in.
For replies to your 4X4 question go to the Offroad and 4x4 forum.