Steering Gear Pitman Shaft Over-Center Preload Adjustment - Off Vehicle (Saginaw - 710 Model)

Steering Gear Pitman Shaft Over-Center Preload Adjustment - Off Vehicle (Saginaw - 710 Model)

Tools Required

J 7754-01 Torque Wrench

1. Inspect the worm shaft bearing preload adjustment before adjusting the pitman over-center preload. Adjust the worm shaft bearing preload, if necessary. Refer to Steering Gear Worm Gear Thrust Bearing Preload Adjustment - Off Vehicle (Saginaw - 710 Model) Steering Gear Worm Gear Thrust Bearing Preload Adjustment - Off Vehicle (Saginaw - 710 Model).
2. Turn the over-center adjusting screw all the way out clockwise.
Turn the screw 1/2 turn clockwise.




3. Place the J 7754-01 with a 3/4 inch twelve point socket (4) onto the stub shaft (3).




4. Rotate the stub shaft from one stop to the other stop.
Count the turns.
Turn the stub shaft back to the center.
5. Use the following steps in order to measure the over-center preload:

1. Rotate the J 7754-01 through a 180 degree arc on each side of the center.
2. Make a note of the highest readings. The readings must be 0.8-1.9 Nm (7-17 lb in).

6. Turn the over-center adjusting screw counter-clockwise until the J 7754-01 shows a reading of 0.7-1.1 Nm (6-10 lb in) higher than the reading in step 4.
The total reading must not exceed 3 Nm (27 lb in).

Notice: Refer to Fastener Notice in Cautions and Notices.

7. Adjust the lock nut (1).

Tighten the lock nut to 89 Nm (66 lb ft) while holding the adjusting screw.

8. Inspect the adjustment. Adjust again, if necessary.
9. Install the steering gear assembly. Refer to Steering Gear Replacement (TRW Ross with FH4) Steering Gear Replacement (TRW Ross with FH4)Steering Gear Replacement (TRW Ross) Steering Gear Replacement (TRW Ross)Steering Gear Replacement (Saginaw - 710 Model) Steering Gear Replacement (Saginaw - 710 Model).