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removing light cover to change bulb

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removing light cover to change bulb Empty removing light cover to change bulb

Post by bonnie on Sun Sep 06, 2020 10:25 am

Good morning.
We have an Autosleeper Suffolk / Mercedes Sprinter.
We need to change a bulb in one of the ceiling lights.  (see photo)
We can't work out how to remove the circular white cover.  Have tried twisting it, but don't want to force it.
I can't find anything in the handbook.
Does anyone know how to do this?
Many thanks[You must be registered and logged in to see this link.]
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removing light cover to change bulb Empty Re: removing light cover to change bulb

Post by PLOUGHLIN on Sun Sep 06, 2020 11:21 am

The cover has three small tabs set at 120 deg around the perimeter, one at the switch position. Insert a small screwdriver to pop one out and the cover will drop out.

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Post by bonnie on Sun Sep 06, 2020 2:54 pm

Hi
Thanks for that.  I've looked, and can't see or feel any tabs.  Is it just the white cover that comes out?
I'm guessing it must be, if the switch is attached to the wiring.  I really can't see anything to insert a screwdriver into.
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Post by bonnie on Sun Sep 06, 2020 3:02 pm

Thanks, Peter.  My husband has managed to remove it.  I see now what you mean by tabs.  They aren't visible from outside.  Now we know.  Thank you
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removing light cover to change bulb Empty Re: removing light cover to change bulb

Post by bonnie on Sun Sep 06, 2020 3:18 pm

Next question!!
Is any four pin 9w/840 bulb of the correct size and shape suitable, as it is run off the 12v system, or is there a special type of bulb, or is there some sort of transformer in the wiring?
Thanks in advance for the help.
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Post by PLOUGHLIN on Sun Sep 06, 2020 4:32 pm

Provided rated 12v, yes any should fit.

Here is the Lumo spec sheet for your Crown light. [You must be registered and logged in to see this link.]

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removing light cover to change bulb Empty Re: removing light cover to change bulb

Post by brodco on Sun Sep 06, 2020 9:45 pm

Hi  wave

bonnie wrote:Is any four pin 9w/840 bulb of the correct size and shape suitable, as it is run off the 12v system, or is there a special type of bulb, or is there some sort of transformer in the wiring?

Fundamentally yes but just make sure that the base (layout of the pins) is the same.

No fluorescent lamp has a voltage associated with it. They all need a controller (for want of a better word) built into the fitting (mains or 12V) and it’s the controller that determines the working voltage.

If by any chance the new lamp doesn’t work it could well be the controller that’s faulty. shrugg

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https://www.eurotherm.com/en/eurotherm-products/

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