| http://www.w3.org/ns/prov#value | - When you say, it runs with the leg pedal fine, does the needle move when the speed control is actuated, or just the motor?Depending on the answers, the causes could be many: - Loose or broken drive belt - Thread wound around some component, binding the drive train - Rust or other corrosion - A piece of a broken needle jamming the mechanism - One of dozens of other possibilitiesYou probably won't
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