July 2000

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HP Reliability: Cost-effective sheave maintenance

Good sheave alignment will increase efficiency by reducing premature wear or failure of belts, pulleys and bearings. This can be accomplished by several different alignment methods, suc..

Bloch, Heinz P., Hydrocarbon Processing Staff

Good sheave alignment will increase efficiency by reducing premature wear or failure of belts, pulleys and bearings. This can be accomplished by several different alignment methods, such as the labor-intensive string and straightedge method (most common) or by laser. The latter, in the form of the DotLine Laser Pulley Alignment Tool (Fig. 1), is new to the sheave alignment field, but has proven itself in greatly reducing downtime and the manpower needed to do the alignment. Simultaneously, it achieves far greater accuracy. This results in great labor savings and increased production uptime. A V-belt drive is a very effic

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