| Operation and safety notes for gas discharge bulbs |
WARNING | Never change bulbs if you are not familiar with the appropriate procedures, safety precautions and tools. |
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| If repairs are to be made to the headlights with gas discharge bulbs, observe the following: |
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| Notes on dangerous high voltage/currents → Anchor |
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| Notes on pressure, temperature, radiation/arcs → Anchor |
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| Assembly notes for gas discharge bulbs → Anchor |
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| Disposal regulations for gas discharge bulbs → Anchor |
| Special tools and workshop equipment required |
WARNING | Control units for light systems, connectors and components pertaining to bulb holders conduct lethally high voltage. |
| Operating the control unit and the starter unit is permitted only with the bulb fitted. |
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WARNING | l
| Switch off ignition and all electrical consumers and remove ignition key. |
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| When working on headlight system, ensure that there is no voltage in any components, including the dissipation of residual voltage after the headlights are switched off. |
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| Residual voltage can be dissipated by turning the dipped beams on and then off again after withdrawing the ignition key. |
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| When working on the headlight system, ensure that the lights cannot be switched on. |
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WARNING | t
| Within the glass bulb of a gas discharge bulb, pressure can range from between 7 bar (cold) and 100 bar (hot). Temperatures can reach up to 700 degrees Celsius on the glass bulb. |
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| Should the glass bulb explode, there is a risk of injury from burning. |
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| Always wear eye protection and gloves when removing and installing gas discharge bulbs! |
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WARNING | l
| The bulbs may be operated in the headlight housing only (protection against contact due to very hot bulbs, absorption of UV radiation, avoidance of dazzling light, protection against explosion). |
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| The glass bulb of the bulbs can be very hot - danger of burns! |
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| Avoid looking directly into the beam, as the UV rays from the gas discharge bulb are about 2.5 times greater than normal halogen bulbs. |
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| Avoid looking into the light beam (danger of glare); vision may be impaired for a substantial time. |
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WARNING | l
| Avoid contact with burst glass bulbs. |
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| H7 bulbs and gas discharge bulbs (xenon and bi-xenon) are under pressure and can explode while being changed - danger of injury. |
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| Always wear eye protection and gloves when removing and installing gas discharge bulbs! |
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Caution | t
| Before renewing a bulb, always switch off the concerned electrical consumer. |
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| Switch off ignition and all electrical consumers and remove ignition key. |
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| Do not touch the glass bulb with bare fingers; use a clean cloth glove. When the light bulb is switched on, the heat would vaporise the oil of the finger prints which would then settle on the reflector, impairing the brightness of the headlight. |
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| A light bulb must always be renewed with a bulb of the same sort. The designation appears on the base of the bulb or on the glass bulb. |
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| Properly engage connector during installation and ensure tight seating of the connection. |
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WARNING | l
| Gas discharge bulbs must be disposed of as hazardous waste; never dispose of gas discharge bulbs via household waste system. |
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| Gas discharge bulbs contain metallic mercury (Hg) and traces of thallium; never destroy these bulbs. |
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| These components must be recycled in the correct manner according to national law. |
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| Only dispose of in containers intended for this purpose at an authorised collection point. |
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