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Se�ng up and opera�ng
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Derksen Lich�echnik
5.7. Closing the projector housing
1.
Check whether moisture or water has entered. Re-
move visible water drops with a dry cloth.
2.
Make sure that the sealing ring is in the intended posi-
�on. The sealing ring must be free of oil, lubricant or
other substances.
3.
Screw the shell onto the projector head with at least
6.0 Nm to ensure �ghtness.
5.8. Closing the device stand
1.
Ensure that the sealing ring is in the correct posi�on
and is free from oil, lubricants and other contamina-
�on.
2.
Connect the device cover to the protec�ve conductor.
3.
Fit the cover with the four cylinder head screws un�l it
fits firmly and evenly on the device stand.