Kenmore 16677 Service Manual - Page 29
To Adj Ust The Thread, Tension, Dials - sewing
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TO ADJ UST THE THREAD TENSION DIALS TO CHECK: WHEN THE TENSION DIAL IS SET AT "3", THE STANDARD THREAD TENSION MEASURED WITH WHITE POLYESTER THREAD (#50) SHOULD BE AS FOLLOWS: • LEFT NEEDLE THREAD 36-48GRAM • RIGHT NEEDLETHREAD • UPPER LOOPER THREAD 13-25GRAM 9-19 GRAM • LOWER LOOPER THREAD 17-27 GRAM ADJUSTMENT PROCEDURE: 1. REMOVETHE BACK COVER ANDTHETOP COVER. 2. ADJUST EACH THREAD TENSION WITH THE ADJUSTING PLATE (A). * IF THE THREAD TENSION IS AT STRONGER LEVEL, SHIFT THE ADJUSTING PLATE IN THE DIRECTION (B). * IF THE THREAD TENSION IS AT WEAKER LEVEL, SHIFT FHE ADJUSTING PLATE IN THE DIRECTION (C). 3. ROTATE THE THREAD TENSION DIAL WHILE SEWING TO CHECK THE SEWING PERFORMANCE. 4. ATTACH THE TOP COVER AND THE BACK COVER. FRONT COVER UNIT TOP COVER ADJUSTING PLATE (A) t 27