Singer S18 - Thread Tension Adjustment

20
0.8mm (E)
Tension release
gear (C)
Tension release
gear (C)
Setscrew (A)
Set screw (B)
Tension release
plate (F)
Mounting plate (D)
The tension release motor should open the tension
discs 0.8mm. If not, adjust it as follows:
1. Remove the face plate, top cover and thread
guide (refer to pages 1 and 6.
2. Set the tension dial at “9”.
3. Turn the tension release gear (C) counter-clock-
wise until it stops.
4. Check the opening. It should be 0.8mm (E).
If the opening is not wide enough, loosen the
setscrews (A) and (B).
Tighten the setscrew (B) slightly.
Move the mounting plate (D) toward you to
increase the opening.
Tighten the setscrews (A) and (B).
5. Attach the thread guide, top cover and face
plate.
* Note
When the tension release gear is turned clock-
wise until it stops, the tension release plate (F)
should have a play.
TO ADJUST TENSION RELEASE MECHANISM (2)