Remove the axle nut (1 nut).
One note about removing the axel nut. If you do that when the wheel is on the ground, and you still have the brakes intact, you can use a big ol' breaker bar to loosen and remove the nut. In other words, do that first.
David C. Wilker Jr. USAF
(RET)
ECST
Instructor
Modesto
Institute of Technology
Modesto
CA 95356
(209)
545-3100