2003 Path Front Brake Rotor

I am quit handy with cars and have done many brake jobs. I am trying to get the front brake rotors off of my truck and it does not appear to be as easy as I anticipated.

There is a set of bolt holding ths rotor on to the hub, but I vcan not get the hub off. If I get this piece off will it be difficult for me to get it back on. Have I bitten off more than I can chew ?

Can anyone help me ?

look up the factory service manual (or FSM) for your specific vehicle, you may even be able to get one on ebay pretty cheap (disk is really nice, but a hard copy is MUCH better) or go to your local parts store and get the chilton's/hayes manual. they aren't as thorough, but they tend to get us backyard mechanics out of a few binds now and then.