
Adjustment
14 - 23
14
.24
Needle thread tension release
Requirement
After thread trimming the distance
X
between tension discs
3
should be
0.6 – 0.8 mm
for
normal materials and
0.8 – 1.0 mm
for heavy materials.
●
Bring the machine into the cutting position by hand.
●
Move lever
1
(screw
2
) in accordance with the
requirement
.
Fig. 14 - 20
X
3
1
2
Summary of Contents for 3371-1 series
Page 43: ...15 2 91 191 486 95 Page 1 Version 13 10 04 Circuit diagrams...
Page 44: ...15 3 Circuit diagrams Version 13 10 04 91 191 486 95 Page 2...
Page 45: ...15 4 91 191 486 95 Page 3 Version 13 10 04 Circuit diagrams...
Page 46: ...15 5 Circuit diagrams Version 13 10 04 91 191 486 95 Page 4...
Page 47: ...Notes...