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machinerylubrication.com
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September - October 2020
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7
ML
35 things that are not happening when oil is clear, bright and the
correct color when observed at both the oil level sight glass and
the BS&W sight glass (some exceptions apply):
1. Oil is NOT oxidized
2. Oil additive system is NOT instable
3. Oil is NOT contaminated with free water
4. Oil and water are NOT emulsified
5. Oil is NOT laden with heavy varnish potential
6. Oil is NOT hydrolyzed
7. Oil does NOT contain sludgy suspensions
8. Oil is NOT cross-contaminated with another lubricant
9. Oil additives have NOT turned to floc from chemical degradation
10. A wrong oil is NOT being used
11. e fishbowl effect is NOT happening (Google: noria fishbowl effect)
12. Filter has NOT burst or not gone into bypass
13. Oil is NOT loaded with sediment or stratified solids
14. Oil is NOT thermally degradation
15. Oil is NOT loaded with soft organic insolubles from various sources
16. Oil does NOT have impaired air release properties
17. Oil is NOT exhibiting foam tendency/stability problems
18. Oil does NOT have microbial contamination
19. Oil does NOT have severe corrosive potential
20. Oil does NOT need to be immediately changed for various reasons
21. Antifreeze contamination has NOT occurred
22. Abnormal levels of particle or water ingression conditions is
NOT occurring
23. Advanced wear debris generation is NOT likely occurring
24. Machine is NOT starved of oil due to low oil level
25. Machine is NOT dangerously flooded with oil
26. Machine sump/reservoir is NOT over-agitated for various reasons
27. Circulating machine does not have a suction line air-induction leak
28. Process chemicals/liquids have NOT invaded the lubricant
29. The desiccant breather and general headspace management are
NOT malfunctioning
30. Machine is NOT likely to have hotspots
31. Severe misalignment is NOT likely to be occurring
32. Precipitous gear or bearing failure is NOT likely to be occurring
33. Process gases have NOT invaded the lubricant system
34. Failure of internal or external seals does NOT appear to have occurred
35. Negligent PMs and inspection practices does NOT appear to be occurring