Loosen wheel bolts
Jack up.
Stick on axle stands.
Remove wheel
Remove brake caliper - 2x 18mm bolts
Remove brake disc - little torx screws. Might be worth loosening these while you've got the calipers on.
Remove pinch bolt
Use ball joint seperator to split hub and wishbone. If you don't have a seperator, use a breaker bar to put pressure on the wishbone, and use a hammer and chisel to hit the wishbone down.
Undo 2x 18mm nuts underneath ball joint.
Reverse procedure to fit.