Zigzag Movement Of The Needle Adjustment - Pfaff ambition essential 1.0 Service Manual

7. Zigzag movement of the needle adjustment

NOTE! ONLY FOR AMBITION 1.0- 1.5
Check
1. Go to service program , Menu 3 choose the No 4 Zig-zag 4x7 mm.
2. Set needle bar at its lowest point when it swings to left.
3. Turn the hand wheel to move the needle bar upward. The vertical distance in which the needle point
goes up until it swings over to the right side should be 6.0~6.2mm. (1)
Adjustment
1. Remove the face plate and top cover.
2. Go to the service program of the machine.
3. Go to Menu 3 choose the No 4 Zig-zag 4x7 mm.
4. Set needle bar at its lowest point when it swings to left.
5. Turn the hand wheel to move the needle bar upward. The vertical distance in which the needle point
goes up until it swings over to the right side should be 6.0~6.2mm. (1)
6. If needle fl ow is less than 6.0 mm, loosen the screw of rotary sensor collar (a), and turn rotary sensor
collar (b) toward back. (2)
If needle fl ow is more than 6.2 mm, turn rotary sensor collar (b) toward front. (2). Tighten the screw
(a) after making sure the needle fl ow is between 6.0 mm to 6.2 mm.
NOTE! Check that the rotary sensor collar (a) not is touching photo sensor's (c).
16
Settings
1
Needle plate
2
104 73 15-26
6.0-6.2mm
b
a
c