Electronics > Beginners
crying Newbie
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dmills:
For cleaning knobs, pull them off, throw them in a sock, close with cable tie, chuck in with the laundry, much less messing about then going at them with a toothbrush. 

A flooded lab is almost always an insurance claim in the first instance.

Regards, Dan.
tggzzz:

--- Quote from: ogden on September 20, 2018, 09:21:38 am ---
--- Quote from: tggzzz on September 20, 2018, 08:13:33 am ---
--- Quote from: Hero999 on September 20, 2018, 08:00:18 am ---It wouldn't surprise me if some electronics companies just used a dishwasher fed by tap water many years ago, but I'd think they would have stopped this long ago.

--- End quote ---

During servicing, Tektronix used to clean scopes by spraying them with water.
https://www.elektormagazine.com/news/saturday-afternoon-give-your-oscilloscope-a-good-wash-down

ISTR there are videos of that process.

--- End quote ---

Again "small details" are omitted  :-DD

--- End quote ---

The "omitted" details are prominent in the link; if someone can't be bothered to RTFLink, on their own head be it.


--- Quote ---1) It was "Back in the 1960s and 1970"

2) “[the instruments] are easy to wash and no particular precautions, other than those applying to vacuum tube type instruments, need be observed“

Pay close attention to vacuum tube type instruments

--- End quote ---

Er no. Did you read the link; it contains "Chuck Phillips is pictured at right washing a 7000." The 7000 series is transistorised.

For the avoidance of doubt, I don't recommend this procedure on a modern scope :)
PA0PBZ:
For the too-lazy-to-click-the-link people:

ogden:

--- Quote from: tggzzz on September 20, 2018, 11:00:55 am ---The "omitted" details are prominent in the link; if someone can't be bothered to RTFLink, on their own head be it.

--- End quote ---

RTFmypost: I did read the article. Others may not. That's why I made it clear for those who plan to give their electronics "good wash". Don't forget that this is forum, not various RTFLink bookmark collection.


--- Quote from: PA0PBZ on September 20, 2018, 11:53:28 am ---For the too-lazy-to-click-the-link people:

--- End quote ---

Exactly what I am talking about. People are lazy and most of them will not read linked article.
tggzzz:

--- Quote from: ogden on September 20, 2018, 01:08:16 pm ---
--- Quote from: tggzzz on September 20, 2018, 11:00:55 am ---The "omitted" details are prominent in the link; if someone can't be bothered to RTFLink, on their own head be it.

--- End quote ---

RTFmypost: I did read the article.

--- End quote ---

Since you chose to omit the inconvenient-to-you context, I'll point out you "missed"

* the picture of the transistorised 7000 series scope being washed
* the text stating "A photo of Charles (Chuck) cheerfully washing a Tek 7000 scope back in 1972 has survived"
That doesn't fit with your statement "Pay close attention to vacuum tube type instruments" (your emphasis).
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