OPTO-EDU A63.7080, Инструкция по эксплуатации, Страница: 57 / 65

5. Remove the top column and small spring of the fixed diaphragm and place it in
alcohol for 20 minutes with ultrasonic cleaning.
6. Dry the top column and small spring of the fixed diaphragm with a hot air blower
and place it on a clean, lint-free cloth.
7. Use a bamboo stick to remove the rubber “O” ring from the light rod.
8. Apply a small amount of polishing paste on a lint-free cloth, polish the polished rod,
especially in the groove where the light is placed, and carefully polish it with a thin
bamboo stick against the lint-free cloth; carefully cut the three small holes in the
groove with a fine cotton swab. polishing.
Fig.5-2 Remove aperture from Bar
10. Dehydrate the optical mast with absolute ethanol and blow dry with a hot air
blower. 11. Install the rubber “O” ring that you just removed on the sealing groove of
the light rod. 12. Place the three objective lenses on the molybdenum boat of the
vacuum coater, pump to a high vacuum, and heat the diaphragm to orange for half an
minute
。
Note: The temperature should not be too high to avoid burning out the