Originally Posted by
cflykins
When sewing some painting tarp material, the 99K sewed beautifully at first but after sewing for several minutes the motor got hot and slowed down and eventually stopped. This machine is new to me and I oiled it but am not sure what to do with the motor. What would make it do this? Is there anything I can do or do I need to find a person that repairs old sewing machines? Cindy in Cali
Do your thing and when it slows right down, disconnect the belt and run it again: Very important to identify what's actually slowing down before trying to fix it