NEXON BSVI MCE - SERVICE MANUAL

BRAKES 26 BRAKE BLEEDING THROUGH SOFTWARE: A normal bleeding procedure can be employed whenever:  Changing brake fluid as per the service intervals / schedule.  Replacing new brake system part like ABS hydraulic unit, master cylinder, wheel cylinders, correction valves and repair of hydraulic lines.  Spongy / Soft brake pedal or pedal travel high complaint. In below mentioned specific cases, bleeding process known as “ABS Secondary Circuit Bleeding” is to be employed. In this method solenoid valve and the pump motor are actuated by Software based TML - diagnostic system.  If customer service intervals are exceeded 5 yrs. or more.  Brake pedal feels soft following ABS application. NOTE:  Before conducting “ABS Secondary Circuit bleeding”, a normal bleeding should be performed.  Please refer to TML diagnostic tool for ABS system bleeding SERVICING OF BRAKE BOOSTER NOTE: Other than non-return valve kit, internal parts of brake booster are not serviceable in case of a major complaint/fault; replace the brake booster as an assembly. The output rod is retained internally and cannot be extracted. If the rod or the domed screw on the rod end is damaged the Supervac Unit must be replaced completely. No attempt should be made to disturb the domed screw. This is correctly set at the factory and should never be disturbed. PARKING BRAKE CABLE ADJUSTMENT Before checking parking brake cable slackness adjustment, confirm the following conditions. Bleeding should be completed. (I.e. there should not be air trapped in the brake system) Confirm pedal travel by depressing the brake pedal for few times. Check the lining condition of the rear brake it should not worn out beyond limit After confirming all the above points, start adjusting the parking brake lever stroke by either loosening or tightening the self-locking slackness adjustment nut after adjustment check for dragging of rear brake drum INSPECTION OF PARKING BRAKE: Pull the parking brake lever at the grip center by 20+/-0.5 kg force, with this force the travel should not exceed 4th notch position. Check both the wheel are locked at this condition and release the lever (i.e. take it to home position, Zeroth Notch) and check for free rolling of the wheels. For counting the notches easily, listen to the click sound from the ratchet while pulling the parking brake lever without pressing the button. one clicks sound pertaining to one notch movement.