FORD 2012 F-550 v.2 - Manual (Page 344)

4. Be sure to install all the clips on the nuts over the flanges so that
there is an even gap all around and the retention clips are fully seated.
Stowing the flat/spare tire
Note: Failure to follow spare tire stowage instructions may result in
failure of cable or loss of spare tire.
If you are stowing a tire that requires reattaching it to the
vehicle with a tether, perform these steps first, then proceed with
the steps following.
1. Place the tire on end with the
valve stem facing toward the front
of the vehicle.
2. Place the tether into the bolt
holes in the wheel and attach the
lug nut using the lug winch.
3. Lay the tire on the ground with the valve stem facing up.
4. Slide the wheel partially under the vehicle and install the retainer
through the wheel center. Pull on the cable to align the components at
the end of the cable.
Roadside Emergencies
344
2012 F-250/350/450/550 (f23)
Owners Guide, 2nd Printing
USA (fus)