A trailer was repaired after scraping the side a few years ago. The bolts that hold the cross members to the aluminum frame on the
Infrared (IR) thermography has become an essential tool in many Predictive Maintenance (PdM) Programs. In spite of becoming more user-friendly and affordable, there is a
Are you hearing a slapping noise? This can be caused by poor tension, which may cause a reduction in performance and lead to belt breakage.
Visual Inspections- Des-Case Breather Check the color of the breather. Blue color means that the breather is still active, while red means it is saturated and
Subjective OTR inspections on gear couplings should include Noise, Visual, Temperature, grease leaking, guards and keyway. Noise could be caused by:
Scenario: You are the Reliability Engineer responsible for developing an in-house condition based PM program. One item you’re monitoring is an important process fan. This
The most important point about oil samples and oil analysis in general is you are looking for any “change” that is taking place.
What Maintenance Method would you choose for the 4 components below?
Picture 1: Offset, or Parallel – the shafts are parallel to each other, but are not co-planar, or in the same plane. This can be both vertical
Why does silicone cause carbon brush wear in DC motors? It is known that the presence of silicone will cause very rapid wear of carbon
Companies tend to minimize the impact of basic cleanliness on equipment / components. Maintenance usually emphasize in condition monitoring programs such as vibration, temperature (motors,
Before discussing smart corrective maintenance methods, I would like to say that I appreciate feedback from readers. If you have any new or old tricks
Most maintenance problems are the result of neglecting the very basics of essential component care and inspections, including improper lubrication, poor operating practices, faulty alignment
A long time ago, I discovered that most maintenance people like gadgets and smart methods, especially from within their fields. I must include myself in
Over the past 10 years, the North American diesel fuel market has slowly moved from High Sulphur fuel to Low Sulphur fuel (< 500ppm) and
First question- what is grease? Grease is simply a semi-fluid product that’s made up of an oil (70-90%) combined with a “thickener” (5-15%). Added to
A collection of leaks in your compressed air system amounting to a .25″ hole equivalent in a system pressurized to 100PSI can cost over US$8,500
Bolts and screws are not something that occupies a lot of our reliability thoughts. After, the life of an appropriate bolt in a non-aggressive environment
Statistics indicate that more fires start from electrical system failure than from any other cause. Electrical equipment is usually well designed and properly installed. However,
Infrared thermography (IR) has become an essential tool in many Predictive Maintenance (PdM) Programs. Infrared cameras have become user-friendly and plentiful in the marketplace, but
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