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John W. Koshak

John W. Koshak is head and founder of Elevator Safety Solutions, Inc., and a member of Elevator World, Inc.’s Board of Directors and Technical Advisory Group. He is also current president of the International Association of Elevator Consultants. Directly prior to reactivating his company in September 2008, Koshak served as director of Codes and Standards for North America for thyssenkrupp Elevator. He was formerly in research at thyssenkrupp Research, Innovation and Design. Koshak got his start in the industry in 1980 at Westinghouse Elevator Co. and has worked for Dover Elevator, Amtech Elevator and Adams Elevator Equipment Co., where he was vice president of Technical Support. He was a National Elevator Industry Educational Program instructor from 1982 to 1991, designed the LifeJacket hydraulic-elevator safety and holds several patents for elevator-component designs. Koshak is a member of the ASME A17 Standards Committee and a past chairman of the Elevator Escalator Safety Foundation.

Traction Sheave Maintenance

Traction Sheave Maintenance

By John W. Koshak | April 1, 2021
Posted in |

How to identify and prevent traction sheave damage due to unequal rope tension

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Elevator World | April 2021 Cover

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