Diesel Data: Automotive Repair

Koyo Recirc Ball Worm & Nut

PITMAN SHAFT OVERCENTER PRELOAD

1. Perform steps 1 through 3 of ``Worm Bearing Preload, Adjust'' procedure.
2. Rotate worm shaft from one extreme to the other while counting total number of turns. Turn worm shaft back halfway to center gear.
3. Using inch pound torque wrench, rotate worm shaft approximately 90 degrees across center. Highest reading should be within specifications listed at end of section. Turn sector shaft adjusting screw until proper specification is obtained.
4. Hold sector shaft adjusting screw and tighten locknut to 25 ft. lbs.