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The JASON INDUSTRIAL 3L190 is a fractional-horsepower rubber V-belt designed for light-duty industrial and commercial drive applications. Measuring 3/8 inch wide by 19 inches in outside circumference, this 3L-series belt transmits power between sheaves in fans, blowers, pumps, compressors, and general machinery. The rubber construction provides flexibility and resistance to everyday wear in enclosed and semi-enclosed drive systems. HVAC technicians, maintenance mechanics, and equipment service professionals install this belt as an OEM-style or aftermarket replacement on fractional-horsepower motors and driven components.
The 3L190 is suited for residential and light commercial equipment where 3L-series fractional-horsepower belts are specified. Typical applications include belt-driven blower assemblies, small compressors, agricultural equipment, and shop machinery. The 3L cross-section profile seats correctly in standard 3L-groove sheaves and pulleys, making it a straightforward drop-in for service calls and preventive maintenance restocks. This belt is sold in cases of 50, allowing shop or truck-stock quantities for high-turnover replacement needs.
Designed as an OEM-style replacement for equipment specifying a 3L190 fractional-horsepower V-belt with a 3/8-inch cross-section and 19-inch outside circumference.
V-belt replacement is performed by qualified HVAC technicians, mechanical contractors, or maintenance personnel. Always de-energize and lock out the drive motor before removing guards or handling the belt. Inspect the sheave grooves for wear, misalignment, and debris before installing the new belt. Never pry or force the belt over sheave flanges; release tension on the drive first, seat the belt, then restore proper tension per equipment manufacturer specifications.
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