Answer: Brake piece belong to running stores, in use can wear away gradually, should wear away must change when ultimate position, will reduce the effect of apply the brake otherwise, cause safe accident even.
Usually before hoof of apply the brake piece tatty is opposite faster, hind hoof of apply the brake piece use time is relatively longer. Raising daily in protecting, should notice: Below normal travel condition, 5000 kilometers are opposite every travel brake piece check, want to check the rest ply not only, check hoof even piece tatty condition, rate of both sides tatty is same, time whether to freely etc, discover abnormal condition must be handled instantly, brake scarcely wants to wait for attrition material part to be ground did not have ability to change. A few car contain stop a machine by cutting off the power piece warning function, once reached wear limit, appearance can call the police clew changes.
In addition, a few consumer like to look for the home to repair a factory to change casually brake piece. In fact, the stop a machine by cutting off the power that former plant spare parts should exchange to offer when changing piece, such ability make brake piece with the effect of apply the brake between undercarriage of Buddhist templeput on the brakes best, wear away the smallest. Change a short while of hoof of apply the brake must use special tool to divide apply the brake pump top to answer. Cannot use other crow to be pressed forcedly, bring about clamp of apply the brake so easily to direct screw bends, make brake piece card is dead.
Change brake piece hind, must step on a few foot brake, in order to eliminate hoof piece with apply the brake dish clearance causes the first foot to do not have brake, easy occurrence accident. In addition, need to adjust 200 kilometers to just can achieve result of first-rate apply the brake, the stop a machine by cutting off the power that just exchanged piece need careful travel.