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Th e " Lub e -Tips " se c tion of M a ch i n e r y Lu b ricatio n magazin e feature s innovative ideas submit te d by our rea der s .
Check Your Records to Control Oil Losses
If you decide to implement a program to control oil losses, one of the first
steps you can take is to check historical records of the amount purchased
compared with the amount sent for disposal. Try to account for the differ-
ence by looking for leaks, products consumed in the process, evaporative
losses and products wasted due to contamination or misapplication.
Know the Pour Point
e pour point is the lowest temperature at which an oil
will flow. is property is crucial for oils that must flow at low
temperatures. A commonly used rule of thumb when selecting
oils is to ensure that the pour point is at least 10 degrees C (20
degrees F) below the lowest anticipated ambient temperature.
Preventing Water Contamination
Excessive water can create emulsions in bearing oil, reducing lubrication effectiveness. e formation of deposits
onto component surfaces compounds the problem. When water and polar chemicals are combined (even trace
amounts), the lubricant's demulsibility (water-shedding ability), corrosion protection and anti-wear capabilities
may be compromised. Water contamination can cut bearing life by as much as 80 percent.
What You Should Know When
Using Additives
Regarding the use of aftermarket additives and supplemental oil
conditioners, keep in mind that some base oils respond well to addi-
tives while others may not. Also, increasing the percentage of a certain
additive may improve one property of an oil while at the same time
degrade another. When specified concentrations of additives become
unbalanced, overall oil quality can be affected. ML
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