Change Bushing in Speed-Feed Head

How to change the adapter (if required) and install the Speed-Feed for... Item# 99944200902 - 375 Speed-Feed Standard Capacity Head. Item# 99944200903 - 450 Speed Feed High Capacity Head Item# 99944200905 - 375 Speed Feed Universal Head (Fits ECHO Straight Shaft models and most competitor LH threaded straight shaft models) Item# 99944200907 - 400 Speed Feed Universal RH/LH Thread Trimmer Head (this video shows LH instalation only). For additional assistance please contact our Support Team at http://www.echo-usa.com/Support-Help/FAQs