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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 >> 1. Aluminium

1. Aluminium

WARNING: This page is about a different variant/trim than selected.
Hazards/effects Measures/regulations
Repair stage 1 and 2:
No hazards/effects
none
Repair stage 3: (Welding - only E52)
  • Explosion hazard due to high concentration of fine aluminium dust.

    Arising e.g. during straight-through grinding of coated components in the base material and large-surface grinding of bright-finish components.

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

    Created by the necessary, thorough cleaning of machining surfaces and tools before and after machining aluminium.

  • Avoid high concentration of fine aluminium dust by means of continuous extraction.
  • 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 fine aluminium 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.