Technetters,
Have you ever heard of this?  About once every three weeks, always at night
(no evening shift on this machine), our wave solder machine burps out molten
solder.  I am concerned for my staff, if this were to happen during the day.
The machine is very old but it is not running hot and is drossed regularly.
However, the tank has not been emptied in at least the last seven months.
The solder is run-of-the-mill 63/37.  Any suggestions would be appreciated.

regards,
Bev Christian
XLTEK

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