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am not 100% sure what the quadrant does mate but am pretty sure you have to upgrade the quadrant and clutch pedal to an adjustable one. i maybe wrong, but i upgraded mine when i fitted my ap organic clutch. it may just apply to ap clutches.
look at the pedal itself, above on the rear you will see a plastic ratchet and pawl unit, make sure all the teeth are in good order, as this can prevent the unit from self adjusting correctly