Drum Brake Adjustment (Duo-Servo Drum Brakes)

1. Remove the adjusting hole cover in the backing plate.
2. Turn the adjusting screw until the wheel can be turned by hand. The brake drag should be equal at both ends.
3. Back off the adjusting screw 33 notches.

Important: Brakes should have no drag after the screw has been backed off about 15 notches. If a heavy drag is present. Refer to Park Brake Shoe Replacement in Parking Brake.

4. Install an adjusting hole cover in the backing plate.
5. Check the park brake adjustment. Refer to Park Brake Cable Service/Adjustment.