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Home >> BMW >> 2011 >> 335i 2D Convertible, Standard >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 39 (Collision - Body Panel Repair (E90)) >> Body Panel Repair General Information >> 41 00... Information On Hazards >> 2. Carbon

2. Carbon

WARNING: This page is about a different variant/trim than selected.
Hazards/effects Measures/regulations
Repair stage 1:
No hazards/effects		 none
Repair stage 2 and 3:
  • Explosion hazard due to high concentration of carbon dust.

    Produced when grinding carbon.

  • Explosion hazard due to swirling up of carbon dust in cavities.

    Created by the necessary, thorough cleaning of machining surfaces and tools before and after machining carbon.
  • Avoid high concentration of carbon dust by drawing it off continuously.
  • Use explosion-proof exhaust extraction unit
  • Do not use compressed air when cleaning the workbay.
  • Avoid swirling up dust when cleaning the workbay.
  • Spontaneous combustion of carbon dust when ignition and fire sources are drawn in.

    E.g.: hot swarf, grinding sparks, cigarettes, etc.
  • Do not operate ignition and fire sources in the intake area of exhaust extraction unit.
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