– 19 –
6. Spreader thread guide
(1) Adjust the height of spreader
to 7.8 to 8.2 mm. Loosen setscrews
in the spreader thread guide and adjust the clearance provided
between the top surface of spreader
and spreader thread guide
to 0.4 to 1.0 mm.
(2) Needle clamp thread guide
Loosen setscrew
in the needle clamp thread guide and adjust
the clearance provided between the needle clamp thread guide and
spreader thread guide
to 0.8 to 1.2 mm.
(3) For the lateral direction, align the hole of needle clamp thread guide
to the prolonged line of the slot of spreader thread guide
.
(Caution) When adjusting spreader thread guide
in the lateral
direction, check whether there is any contact at section
B
(left side of spreader thread guide
and needle
clamp
)
7.8 to 8.2mm
o When height or position of the
spreader thread guide is im-
p r o p e r, s t i t c h s k i p p i n g o f
spreader thread will be caused.
o When height or position of the
needle clamp thread guide is
improper, stitch skipping of
spreader thread will be caused.
B
Adjustment Procedure
Results of Improper Adjustment
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...
