Sony Feeder Parts Spring, Tension, take-up Lever tension 4-716-537-02 for Sony 8mm feeder Sony 4-716-537-02 Tension Spring is a mechanical replacement component specially used in Sony 8mm SMT feeder take-up lever assemblies. The spring provides proper tension force for the take-up lever mechanism, helping maintain stable tape recovery performance during continuous component feeding operations. In SMT production, feeders must perform thousands of repetitive movements with high