Make sure that the distance between the top surface of the brake pedal pad and the engine compartment bulkhead is within the standard.
- Pedal height - 214 - 219 mm
2. Adjusting the height of the brake pedal.
a) Disconnect the brake light switch connector.
b) Loosen the lock nut "B" and turn the switch "A" so that it does not touch the pedal.
c) Loosen the lock nut "D" and, by turning the rod "C", adjust the height of the brake pedal.
d) While holding the rod "C", tighten the lock nut "D".
- Tightening torque - 24 - 34 Nm
d) Tighten switch "A" so that the gap between the switch rods and the stop corresponds to the standard.
- Gap - 0.1 - 1.0 mm
e) Tighten lock nut "B".
- Tightening torque - 14 - 18 Nm
g) Connect the brake light switch connector.
h) After adjustment, check the free travel of the brake pedal and the correct operation of the brake lights.
3. Checking the free travel of the brake pedal.
a) To remove the vacuum from the system, press the brake pedal several times.
b) Remove the cotter pin and pin, make sure the holes in the pedal and fork are aligned, and reinstall the cotter pin and pin.
c) Gently press the brake pedal until you feel resistance, measure the free travel of the pedal.
- Pedal free travel - 3 - 8 mm
Make adjustments if necessary.
4. Adjusting the free travel of the brake pedal.
a) Remove the cotter pin and fork pin.
b) Loosen the lock nut "D" and, by rotating the rod "C", align the holes in the pedal and the rod fork.
c) Install the fork pin and pin cotter pin in place.
d) Tighten lock nut "D".
- Tightening torque - 24 - 34 Nm
d) Check the pedal height and the correct operation of the brake lights.
5. Checking the brake pedal travel reserve.
Start the engine and press the brake pedal with a force of 589 N. Make sure that the distance between the upper surface of the pedal pad and the floor covering is within the standard.
Text taken from an online platform: mazbook.ru
- Power reserve - not less than 105 mm
If the distance is less than the norm, make sure:
- lack of air in the brake system;
- serviceability of the automatic regulator;
- absence of excessive clearance between the pads and the brake disc/drum.