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When a bearing is making noise, internal damage has likely occurred.
If the bearing continues to run without being replaced, more internal
damage may occur with the potential for failure. Access this 1-minute,
7-second video at www.machinerylubrication.com.
Troubleshooting Hydraulic Strainer Issues
There could be several reasons for a downward trend or even a
sudden drop in viscosity without warning. However, the most
common cause is adding in a lower viscosity fluid than what's
required. A decrease in viscosity
may also occur when non-lubricants like solvents and diesel fuel
accidently get into the lubricant.
If this happens, it is a good idea
to change the oil. Find this article
on the ML site to learn other
ways your lubricant could be
losing its viscosity.
Hydraulic systems undergo several pressures. Where a strainer
is placed within the system will decide the pressure it will experience. Obviously, if the
strainer is on the return
side, it will endure less
system pressure and may
potentially last longer.
Read this article on the ML
site to discover what could
cause a hydraulic strainer
to blow out.
Lubrication Myth: Add Grease to a Noisy Bearing
This video explains why adding grease to a bearing that's making
noise may only provide temporary relief. Instead, a noisy bearing
should be closely monitored and replaced as quickly as possible.
Why an Oil's Viscosity Drops
Catastrophic Ball Bearing Failure
This video shows a ball bearing failure of a power plant condensate pump. The pump is a vertical KSB unit from 1972 that is almost
20 feet tall. The bearing box has three ball bearings, and the uppermost has evaporated. The other two were
cracked, burned, bent and heavily distorted. The
shaft was distorted as well. Access this 55-second
video at www.machinerylubrication.com.
The Disadvantages of Using
Anti-Friction Metal Conditioners
Using "metal conditioners" generally is not
recommended because most of these types of
products are derived from a chlorinated
compound. The chlorine in these compounds is
very reactive with a metal surface and will immediately corrode it. Understand why it is better to
have your equipment operating under a full
hydrodynamic fluid film, as opposed to relying
on a friction barrier under boundary conditions,
by reading this article on the ML site.
Featured White Papers
Machinerylubrication.com is the place to turn
for white papers on a host of lubrication-related
topics. Here's a sampling of the latest white
papers that are currently available for download:
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July - August 2013
| www.machinerylubrication.com
Alternatives to Traditional Oil Testing
Using SEM/EDX
Overview of FluidScan Handheld
Infrared Oil Analyzer
Find Sources of Energy Waste
A Practical Guide to Shaft Alignment
Check out the full list of white papers by
visiting www.machinerylubrication.com and
clicking on the "White Papers" link.