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The BROWNING 3693660 is a single-groove, Quick Detachable (QD) bushed V-belt sheave designed for industrial and HVAC drive systems. It accepts 5V, A, and B cross-section belts and features a 6.08-inch outside diameter with a belt pitch diameter of 5.9 inches for the 5V profile. The sheave uses a B-style QD bushing, allowing bore sizes from 5/8 inch up to 2-1/4 inches to be accommodated without machining a dedicated bore into the hub. Cast iron construction provides durability in continuous-duty motor and fan drive applications. Licensed HVAC technicians, millwrights, and mechanical contractors are the primary installers.
This sheave is suited for single-belt drive configurations in commercial and industrial settings, including HVAC air-handling unit fan drives, blower assemblies, pump drives, and general power transmission applications. The QD bushing design simplifies installation and removal, making it practical for equipment that requires periodic belt and sheave service. It is compatible with standard B-style QD bushings sold separately.
Designed for use with 5V, A, and B cross-section V-belts. Accepts B-style Quick Detachable bushings with bore sizes from 5/8 inch to 2-1/4 inches. Bushing must be ordered separately.
Installation should be performed by a qualified millwright, HVAC technician, or mechanical contractor. Disconnect and lock out all power to the drive system before mounting or removing the sheave. Align sheave and mating drive component within manufacturer-recommended tolerances using a straightedge or laser alignment tool before tensioning the belt. Do not exceed the maximum bore diameter when selecting a QD bushing, and torque bushing fasteners according to the bushing manufacturer specifications.
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