Bernina 43 Manual - Page 13

ADJUSTING THREAD TENSIONS (CONTINUED) (A) Lower looper thread tension is too tight or upper looper thread is too loose. (B) Upper looper thread tension is too tight or lower looper thread is too loose. Back side Back side Front side Tighten the upper looper thread tension dial or loosen the lower looper thread tension dial. (C) Left needle thread tension is too loose, upper and lower looper tensions are too tight or cutting edge too wide. Front side Tighten the lower looper thread tension dial or loosen the upper looper thread tension dial. (D) Right needle thread tension is too loose. Back side Front side Tighten the left needle thread tension dial, loosen the upper and lower tension or adjust cutting blade. Back side Front side Tighten the right needle thread tension dial. -10-