Troy-Bilt Grass Trimmer 4-Cycle Gas Trimmer/ Brushcutter TB490BC
Upper drive
Posted by stabvett on Jun 28th, 2008 at 4:18pm
The upper shaft is spinning ; appears that upper socket is spinning over lower square shaft slower shaft-Store warrenty replaced upper end after one day now it's occuring again(two years later). Do I need to replace the intire upper Drive shaft Housing Assemply? What is the easy way to accomplish this procedure.?