Electronics > Repair
Cleaning smoke affected equipment
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David Aurora:
This is a pretty new one for me- I just had a pile of gear arrive at the shop that was pulled from a burned building. Most of it looks reasonably good from the outside, a lot of soot but nothing looks soaked or melted. Stinks to high heavens of fire though. Obviously it's all going to need some really deep cleaning and testing, I'll need to check the state of things like caps/wire insulation given how hot things might have gotten around it, etc

Just curious if anyone knows if any specific cleaning of boards/components may be necessary for smoke residue or if fairly standard alcohol and scrubbing ought to be enough? Obviously I'll get an idea of what's working once I open things up and start, but I'm just not sure what the residue might be like long term and how effective different cleaning chemicals may be
amyk:
Hexane or other hydrocarbon solvents should work well, although beware that they will attack many plastics too.
coromonadalix:
they need to go thru  ozone chambers  to kill the odors
Simmed:
1) ultrasonic ?
2) dish washer ?
3) high pressure air blasting ?

manual washing PCB in soap/water + drying it is actually normal
but i have never tried dish washer

Sorama:
Professional cleaning companies use dry ice for this.
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