Hydraulic service brake system with diagonal circuit separation «X» controls pressure in two circuits:
1st: front right front and left rear wheels;
2nd: rear right rear and left front wheels.
- Connect two pressure gauges to the front right and rear left bleeder fittings.
- Remove air from the brake system.
- Press the brake pedal until the prescribed pressure is created in the front brake mechanisms. Check the pressure in the rear brakes.
- If the values are incorrect, adjust the pressure regulator.
- To identify possible asymmetry, check the second circuit of the brake system.
- Remove the pressure gauges.
- Remove air from the brake system.
Pic. 12.28. Adjusting the position of the pressure regulator: 1 - preliminary adjustment probe; 2 - preliminary adjustment nut; 3 - lock nut