Operation Manual

Stitch adjustments40
Chainstitch
When the chainstitch needle thread tension is too loose Increase the needle thread tension (blue), or decrease the
chainstitch looper thread tension (purple).
Coverstitch
When the coverstitch looper thread is too loose Increase the coverstitch looper thread tension (purple).
When the coverstitch left needle thread tension is too
loose
Increase the coverstitch left needle thread tension
(blue), or decrease the coverstitch looper thread tension
(purple).
When the coverstitch middle needle thread tension is too
loose
Increase the coverstitch middle needle thread tension
(green), or decrease the coverstitch looper thread
tension (purple).
When the coverstitch right needle thread tension is too
loose
Increase the coverstitch right needle thread tension
(red), or decrease the coverstitch looper thread tension
(purple).
When the top surface of fabric bulges between needle
threads and the seams on the underside of the fabric
becomes tight;
Decrease the coverstitch looper thread tension (purple).