2015-10-14 09:38:21
We we should do if "Brake cannot work"?
The brake cannot work and the effect is poor, which may caused by gas circuit system. Brake shoe’s friction plate and brake drum have problems. The touch area between brake shot plate and brake drum shall be larger than 70% of the total area. At the same time, the friction plate shall be clean, dry and have no greasy dirt and moist. In order to guarantee the touch surface between brake shoe’s friction plate and brake drum, when the brake drum is out of round and has drag mark and friction plate is damaged or the is replaced, please perform smooth turning on the surface of friction plate and brake drum with special tools. The practical experience shows that the effect of both end faces of brake shoe’s friction plate meshed is better than meshed center and unmeshed ends. Therefore, when brake friction plate performs smooth turning, the diameter of smooth turning shall be 0.2mm larger than inner diameter of brake drum. The maximum smooth turning amount of brake drum shall be 2mm on the diameter generally.
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