F250/350 (2-Wd & 4-Wd)

Tighten adjusting nut to 50-80 ft.lbs. while rotating brake drum. Now back off adjusting nut 1/4 turn. Coat a new lock washer with axle lubricant and install against adjusting nut with smooth side out. Install lock nut and tighten to 90-110 ft.lbs. Wheel should rotate freely with 0.001 - 0.010" bearing end play.