Flush the whole thing out with WD40, wipe out as much as you can from inside the hubshell, and then pop you're finger through and open up a gap in the ring drive, flood it with WD40 and then drip in a little Finishline Wet XC. Put the driveshell back in and give it a quick spin, pull it off again and shake as much as you can out of the ring drive and mop it all up with a lint free rag :rolleyes: Re-assemble and off you go. After the first ride, you'll soon probably see lube seeping out of the cone adjusting thing but thats ok, just wipe it everynow and again untill enough has been squeezed out :S
Mine hasnt skipped for about 3 months since I last did this ^^