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In This Issue
| - How to Check Hydraulic Tank Cleanliness
- Keeping Stored Gearboxes Healthy
- Common Rolling Contact Wear Mode
- Switching to H1 Food-grade Lubricants
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| How to Check Hydraulic Tank Cleanliness |
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To check the cleanliness of the inside of a new hydraulic reservoir, take a small strip of transparent adhesive tape and stick it on the surface (roof, side wall or bottom plate) of the reservoir where you want to check the surface cleanliness. Firmly press the strip with your thumb so that it is in proper contact with the surface. Now peel off the strip and paste it on a white piece of paper. You will find that the strip has sampled large particulate contaminants. You can also use it with standard visual comparators, similar to common patch-test comparators. With this method, you know whether or not your tank needs further cleaning. Also, keep in mind that the unaided eye can only see individual particles larger than about 50 microns. (P. Urushottam, Tata Steel)
Join us in Houston, Texas, on May 22-24 for
Machinery Lubrication training.
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If appropriate measures are taken, a gearbox can be stored for extended periods with little or no risk. Learn how you should fill a gearbox for storage, whether preservatives should be used and if the breather fitting should be removed and replaced with a plug.
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FULL STORY
Test your knowledge and prepare for ICML lubrication and oil analysis certification.
Question: Name a common rolling contact wear mode.
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GET THE ANSWER
While many users will insist on full H1 compliance, for those ancillary machines with low risk of incidental contact with a food product, it may be a better choice to invest in more stringent maintenance practices. There is a tendency to assume that the H1 lube is a fail-safe option or simply a convenient substitute for poor maintenance, especially where pesky leakage problems have occurred. Conversely, a healthy, well-maintained machine can substantially reduce the risk of contaminating a food product with a lubricant.
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FULL STORY
Poll Question: Does your plant use extreme pressure (EP) oils to lubricate worm gears?
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