Crank Arm - Less calibration scale, John Blue 50-0002

The CDS-John Blue Company Crank Arm (Model 50-0002) is a component designed for use with John Blue ground-driven pumps. It features a high and low range sprocket setup, allowing for a broader application range. The crank arm is compatible with all current John Blue pumps and fits various bar sizes, including 7″ x 7″, 6″ x 6″, 6″ x 4″, and 4″ x 4″. It includes pump mounting bolts, nuts, and washers, and is adjustable to fit bar heights ranging from a minimum of 17″ to a maximum of 31″, measured from the bottom of the bar to the ground using a 13.5″ loaded radius tire. The wide pivot angle accommodates bar heights from a minimum of 3.5″ to a maximum of 17.5″, measured from the bottom of the bar to the axle centerline. This crank arm is suitable for both push and pull configurations and is designed for easy installation on John Blue ground-driven pumps.

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