TIGOR EV_ZIPTRON_SERVICE MANUAL

BRAKES 31 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. 1. Booster Assembly Kit 2. Vacuum Sensor Assembly 3. Vacuum Sensor Grommet 4. Spring Washer 5. Hex Nut 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 15-20 kg force, with this force the travel should not exceed 6th 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 click sound pertaining to one notch movement.