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If Prime Bulb Doesn’t Pump Gas “watch This First” Echo String Trimmer (testing Check Valves)

2022 5:11

Synopsis

This video demonstrates how to test the check valves in a prime bulb on an Echo string trimmer. The video shows how to access the check valves, how to test them with a hose, and how to replace the prime bulb if the check valves are faulty. The video also shows how to install a new carburetor.