7.7.2 Insert the test vessel
1. Open the protective cover.
2. Remove the test vessel.
Note: To avoid impurities in the test vessel isolators, place the test vessel on an even,
clean and dry base when you remove the test vessel from the oil breakdown voltage
tester.
3. Remove the cover of the test vessel.
4. Clean the test vessel and the lid with a clean, lint-free cloth.
5. Rinse the test vessel and lid with petroleum ether or acetone.
6. Dry the test vessel and lid.
7. Rinse the test vessel and lid three times with the oil to be tested.
8. Allow the oil to be tested to flow down the inside wall of the test vessel slowly without
bubbles until the vessel is 95 to 98% full.
9. Replace the full test vessel in the oil breakdown voltage tester.
10. Close the lid of the test vessel.
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