How To Measure Sheave Groove Wear in HVAC Belt Drives

Measuring sheave groove wear in HVAC belt drives is essential to prevent premature belt failure and maintain driving efficiency. This process involves using tools like the Browning grooved gauge or a straightedge to accurately assess groove wear and identify the appropriate belt size and pulley condition. Groove wear exceeding 1/32 of an inch is a clear indicator that pulley replacement is necessary. For variable-pitch shivs, a standard straightedge offers an effective method for measuring wear, particularly for older or unidentified shivs.
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