Mechanical Adjustment; Needle Thread Tension - Janome NH22 Service Manual

MECHANICAL ADJUSTMENT

TOP TENSION
THE TOP TENSION SHOULD BE BETWEEN 65 AND 80G WHEN PULLING THE THREAD UP IN
THE DIRECTION OF C.
* USE POLYESTER SEWING THREAD #50 (WHITE).
* IF IT IS NOT WITHIN THE ABOVE LIMIT, ADjUST AS FOLLOWS.
1. SET THE TENSION DIAL "4".
2. REMOVE THE COVER.
3. LOWER THE PRESSER FOOT.
• IF THE TOP TENSION IS TOO LOOSE, TURN THE LEAD SCREW IN THE DIRECTION (A).
• IF THE TOP TENSION IS TOO TIGHT, TURN THE LEAD SCREW IN THE DIRECTION (B).
4. CHECK THE TOP TENSION AND ATTACH THE COVER.
(B)
(A)
PULL THE THREAD AT THE SPEED OF 110 MM/
SEC IN THE DIRECTION OF ARROW
10
WHITE POLYESTER THREAD SIZE 50