Push button micro switches dirty

Anyone know how to clean recording etc push button micro switches ? Deoxit externally doesn't really work . Any way to do so internally that's feasible ?

Generally, most find that Deoxit gets the job done.

Disassembly discussed briefly in this thread.
https://www.tascamforums.com/threads/advice-please-dp-24sd.9551/#post-49132

That's the only specific one I recall, but a forum search might turn up some other past discussion(s).

Thanks , I'll look into that and let you know if I get anywhere with it .

Here's some disassembly instructions created by member Tom Boyles.