34 21 947 Fine-Grinding Both Sides Of Both Rear Brake Discs (Brake Discs Removed)
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IMPORTANT:
Always fine-grind both sides of both brake discs on one axle. Observe max. machining dimension per friction ring side, minimum brake disc thickness (MIN TH) and surface roughness of brake surfaces. Refer to SPECIFICATIONS . Only one brake lining set may be used up on brake discs which have been lathe-turned to minimum thickness (MIN TH). Brake discs of M models (Compound brake discs) must not
be machined!
Grinding machine: refer to Fig 1.
Follow the machine manufacturer's operating instructions.