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Re: 438A Power Meter Fan Transplant


 

Dave,

I'm working on this this afternoon. I forgot to mention that all three of the 438As I have are Option 002...so there's a bunch of extra cabling in the way of pulling the rear panel off. Ugh. Also can you clarify what you mean by "eight corner screws"? I see 4 screws holding the fan in, and 4 screws holding the rear panel into the frame.

Thanks,

Sean


On Thu, Apr 23, 2020 at 07:40 AM, Dave Smith W6TE wrote:

Hi Sean,

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It¡¯s relatively easy to change the fan and takes about 15 ¨C 20 minutes.

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  1. Remove the two power supply plug-in boards.
  2. Remove the four metric screws on top and bottom of the frame.
  3. Remove the eight corner screws.

You will now be able to remove the fan from the rear panel.

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Dave

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