Brake Proportioning/Combination Valve: Testing and Inspection

INSPECTION

1. Connect the two oil pressure gauges 9810 kPa (100 kg/cm2, 1422 psi) to the outlet valve of front and rear brake.




2. Bleed the air from the brake system.
3. Depress the brake pedal until the front brake pressure equal to A; then record rear brake pressure A'.
4. Depress the brake pedal again, and apply additional pressure until the pressure equal to B; then record pressure B'.
SPECIFICATIONS (DYNAMIC CONDITION)














5. If the test value exceeds standard value, replace the proportioning valve.

Tightening torque
35-55 Nm (3.5-5.5 kg-m, 25-40 lb-ft)