What do you need to know?
Crack the large nut on the axle hub, only a few turns. Pul a hydraulic jack behind the hub, pump it up and strike the bolt to crack the taper seal on the hub.
Drain chain case oil
Remove access cover under the cab, loosen bolts holding the sprocket to the axle. Use a hydraulic jack with the pump on the bottom, pump it up behind the axle hub to pull the axle out. Replace the required cups and cones. Remove the hub from the axle, push the axle in, sliding it over the sprocket. Do up the nut with loctite on the threads. Install outer seal, put the hub on and loctite and tighten the bolt up.
That is a very brief description, but it should get you there. You will need to remove bits and pieces to gain access.
