Problem: You have installed a new ventilation blower and forgotten to check it for rotation. You can't easily get visual access. Solution: Don't hold a strip of tissue near the duct outlet.
Problem: You have installed a new ventilation blower and forgotten to check it for rotation. You can't easily get visual access.
Solution: Don't hold a strip of tissue near the duct outlet. You'll be misled because a centrifugal blower moves air in the forward direction even when it's rotating backwards. Instead, use your clamp-on ammeter. A blower turning the wrong way draws only a fraction of its rated current.
Contributor: Martin Green, Benchmark Testware, Winnipeg, MB; 204-774-4932
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Annual Salary Survey
Before the calendar turned, 2016 already had the makings of a pivotal year for manufacturing, and for the world.
There were the big events for the year, including the United States as Partner Country at Hannover Messe in April and the 2016 International Manufacturing Technology Show in Chicago in September. There's also the matter of the U.S. presidential elections in November, which promise to shape policy in manufacturing for years to come.
But the year started with global economic turmoil, as a slowdown in Chinese manufacturing triggered a worldwide stock hiccup that sent values plummeting. The continued plunge in world oil prices has resulted in a slowdown in exploration and, by extension, the manufacture of exploration equipment.
Read more: 2015 Salary Survey