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5.1.1 Ultrasonic Cleaning with Organic Solvent (Volatile Solvent)
WARNING: When using a volatile solvent during the cleaning of parts for the system,
verify information (MSDS and the like) on the nature and handling of the
solvent, and be sure to handle it properly.
Do not put such chemicals near an open fire.
Ventilate a room.
Wear the directed protection tool.
For cleaning of the Wehnelt cylinder and anode plate, the polishing paste is used and organic
solvent is used to remove the polishing paste.
Conduct the work safely with reference to the warnings given at the beginning of this manual.
(1)
Supply water into the wash-basin of the ultrasonic cleaner up to 10 to 20% of its
capacity.
(2)
Fill organic solvent into a beaker to about half of its capacity.
(3)
Put parts, which have been cleaned with polishing paste, into the beaker.
(4)
Place the beaker in the wash-basin of the ultrasonic cleaner.
(5)
Turn on the cleaner and clean the parts for 2 to 3 minutes.
(6)
After the cleaning, take the parts out of the beaker and rinse them in distilled water for 2
to 3 minutes to remove organic solvent.
(7)
Put the rinsed parts into another beaker filled with clean ethyl alcohol.
(8)
After substituting water adhering to parts with alcohol, take the parts out of the beaker
with tweezers and place them on a sheet of clean filter paper to evaporate the alcohol
heat to dry.
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