– 22 –
(8) Returning amount of the looper
1. It is the standard that returning amount of looper
from top end of looper
to the center of needle bar is
5.9 mm regardless of the needle gauge when looper
is in the extreme right position.
2. Returning amount of looper for each gauge (dimension
A
)
5.9mm
A
0.05 to 0.1mm
Standard Adjustment
2-needle
3-needle
Needle gauge
Returning amount
A
Needle gauge
Returning amount
A
4.0
3.9
–
–
4.8
3.5
–
–
–
–
5.6
3.1
–
–
6.4
2.7
Unit : mm
(Dimension
A
is the dimension from the center of right needle to the top end of looper
.)
Summary of Contents for MF-7800D Series
Page 64: ...60 5 Adjusting the upper knife stroke A B Standard Adjustment H21...
Page 66: ...62 MEMO...
Page 80: ...76 3 Adjusting the elastic band presser plate 0 5mm Standard Adjustment E10 A A Approx 7 5 mm...
Page 84: ...80 MEMO...
Page 94: ...90 3 Setting of SC 510 2 Change of the setting Type B Type A Standard Adjustment UT25...
Page 114: ...110 MEMO...
Page 118: ...114 2 Installing SC 510 1 Wiring SC 510 Standard Adjustment UT22...
Page 124: ...120 MEMO...
Page 134: ...130 MEMO...
Page 142: ...138 7 Feed timing of the roller A Standard Adjustment PL11 C D B...
