Singer 7285Q - Threading the Top Thread

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Original issue
May, 2014
Service Manual
7285Q
Model
10. Adjustment of thread tension
Checking:
1. Set thread tension at the center of “AUTO” position.
2. Pull thread between tension discs and check thread tension value with two twisted
Polyester #50 thread.
3. Measured value should be 40 to 50 g.
* Bobbin thread tension should be 12 to 16 g.
* For actual sewing, sew zigzag stitch and check balance of upper and lower threads.
Adjustment:
1. Raise take-up lever to its highest position by turning hand wheel by hand.
2. Set thread tension at the center of “AUTO” position. Insert your forefinger from the rear
of thread guide plate and rotate toothed plate (A) to adjust spring in either direction.
3. Viewing the toothed plate (A) from face cover side,
*Rotate it counter-clockwise when increasing thread tension.
*Rotate it clockwise when decreasing thread tension.
A
Thread tension is increased
Position of spring adjustment plate (A)