Upper Thread Tension - Husqvarna VIKING Designer Jade Service Manual

17. UPPER THREAD TENSION

STEP 1
Check
1. Remove the thread tension cover.
2. In service program, Menu 1, press the Key No. 4.
3. At this time, the projection (a) should be touching
the stopper (b) of the bracket.
Adjustment
1. Loosen the screw (c) on the step motor gear.
2. Press the Key No. 5 (Thread tension calibration
point -power on)
3. Pressing the projection of the tension cam to the
stopper lightly and tighten the screw.
STEP 2
Check
1. In service program, Menu 3. Select No. 0. (Thread
tension adjusting mode)
2. Thread the Polyester #60 thread using ordinary
threading route until pass through the thread
tension discs.
3. Lower the presser foot. (Tension discs will be
closed)
4. Pull thread slowly. At this time the resistance
should be 75g.
Adjstment
1. Loosen the lock screw (d).
2. Adjust the tension by turning the tension regulator
screw(e) either to the front or back.
For stronger, turn the screw backward.
For weaker, turn the screw frontward.
3. Retighten the lock screw (d).
18
Settings
3
a
1
e
d
b
c