Brake Pedal Assy: Service and Repair

Pedal Box

Service Repair No - 70.35.03

Removal
1. Remove closing panel.
2. Remove shroud.





3. Disconnect brake sensor multiplug from pedal box.
4. Remove clip and clevis pin securing brake servo push rod to brake pedal.
5. Remove and discard 3 nuts securing pedal box to bulkhead.
6. Release and withdraw pedal box.

NOTE: Do not carry out further dismantling if component is removed for access only.

7. Release and remove brake sensor from holder.
8. Remove holder from pedal bracket.
9. Remove pedal return spring.
10. Remove 2 nuts and bolts securing return spring bracket to pedal box. Remove bracket.

Installation
1. Position return spring bracket to pedal box, fit nuts, bolts and tighten to 10 Nm (7 ft. lbs.).
2. Fit return spring and sensor holder to pedal bracket.
3. Position pedal box to bulkhead, fit new nuts and tighten to 26 Nm (19 ft. lbs.).

CAUTION: Nuts securing brake servo to pedal bracket must be re-torqued after 30 minutes have elapsed.

4. Position sensor, connect multiplug and secure to holder.
5. Align push rod, fit clevis pin and secure with clip.
6. With brake pedal released, ensure sensor is in contact with operating tang on brake pedal.
7. Fit shroud.
8. Fit closing panel.