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From "Lubrication Fundamentals":

An oil house should be located as centrally as possible with respect to the lubrication service activity. A study of service requirements based on total travel of lubrication service personnel to their work from the oil house can help to determine the most economical and efficient location for the oil house. Travel distances from the warehouse, unloading dock, or other storage facilities should also be taken into account. In multibuilding plants it may be advantageous to build a separate oil house in a central location within the plant area. In such cases, an oil warehouse and the oil house may be combined in one building, with consequent savings in handling and storage costs.

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Today's Tip

• Polyurea greases have very good oxidation resistance, because they don't contain metal soaps (such as calcium, lithium, etc.) which are pro-oxidants to varying degrees. They are therefore widely used in lubed-for-life bearings.

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Q & A

"We incorporated oil analysis into our predictive maintenance program over a year ago and haven't seen much difference in our machine life. We've been able to stop catastrophic failure, but not eliminate normal wear-out failures. What are we doing wrong?"

Oil analysis is a great predictive tool, but maintenance professionals must not lose sight of the importance of proactive maintenance in terms of value generating/benefit generating potential. As such, machine operating conditions must be adjusted to new targeted levels (cleaner, dryer, cooler, better aligned/balanced, etc.) in order for these rewards to be attained.

The most widely applied approach to proactive maintenance in lubrication and hydraulic applications is making quantum improvements in fluid cleanliness. This strategy often has the greatest single impact on both lubricant and machine life at an almost insignificant cost and risk. Once well-ingrained in an organization, the "cleanliness mindset" permeates nearly all work functions and achieving stabilized fluid cleanliness levels eventually becomes the norm.

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