How to set the lower thread
Detailed instructions for beginners on how to remove from rotary hook and the direction to set.
Check out the video on Youtube for more points of detail.
INDEX
How to Remove from the Rotary Hook
For cylinder type, open the rotary hook cover.
Pinch the knob (latch) part of the bobbin case and remove it.
How to Set the Lower Thread in the Bobbin Case
Set the lower thread in a clockwise winding direction. Let the thread out 10 cm long.
Pass the lower thread through the slit in the bobbin.
Slide the thread up to the under-tension spring.
For coil type, wrap the thread around the coil twice.
Setup in the bobbin case is completed.
How to Check and Adjust the Lower Thread Tension
Quick way to check the tension of the lower thread
Quick way to check 1
Bobbin moves slowly when pulling the lower thread.
Quick way to check 2
Bobbin drops slightly when lightly shaken with the lower thread.
How to adjust the lower thread tension
Adjust the lower thread tension with a screwdriver if necessary.
・To reduce tension: Loosen the screw.
・To tighten tension: Tighten the screw.
How to attach to the rotary hook
Pull 3 to 5 cm of the lower thread out of the bobbin case and attach it.
Push the bobbin in until it “click.”
Setting of the lower thread is completed.
This completes the process! You can also watch Youtube and try it!
