[Milsurplus] BC-342/BC-344 Question
Robert Kilian
robertkilian at ostechnologies.net
Tue Nov 5 14:20:55 EST 2019
The wax-paper Micamold caps (that look like dominos) typically have gone
bad, and there are a handful used as B+ bypasses that are absolutely
critical to be replaced. Unfortunately, some of those are in the RF/IF
cans which be slightly tricky to remove, but not bad if you document
connections with photographs and take your time.
I've never encountered a bad oil bathtub in one of these sets, but
others may have had different experiences.
Rob Kilian
K6RBK
Additionally
On 11/5/19 10:32 AM, Joe Connor via Milsurplus wrote:
> What's the current thinking on cap replacement in these receivers? I
> wouldn't trust the 75-year-old electrolytic caps in the power supply
> or the Micamolds located throughout the set, but what about the
> oil-filled bathtub caps? Do you replace them as a matter of routine,
> or do you wait until one of them acts up?
>
> The triangular piece of metal attached to the Vernier knob has some
> rust. What do you folks use to clean and shine a piece like that?
>
> As always, thanks for your guidance.
>
> Joe Connor
>
>
>
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