The Temper Axle Doctor Preload Bearing Adjustment Tool, distributed by Meritor, an be used with Temper Axle's Temper-Loc Spindle Nuts for quick preload or tight bearing adjustments on a variety of steer, drive and trailer axles. The Doctor Preload Bearing Adjustment Tool and the Temper-Loc single-lock nut system help fleets meet the SAE J2535 optimal bearing setting of a light preload. According to the company, technicians can set proper preload on each wheel-end bearing in less than one minute. The Doctor Preload tool is covered by a one-year warranty while Temper-Loc nuts are covered by a three-year warranty from the date of installation.
