CONTENTS
Attention
The parts used for this product are subject to change without notice. If such a chang e is made , any part
of the contents and illustrations of this instruction manual may not conform to this product.
In preparing the instruction manual, we have made our best efforts for making it free of any error or
omission. If any error or omission should yet be found, it might not be rectified immediately.
Attention
◇This instruction manual is designed mainly for technicians , but it is advisable that also operators read
the instructions with mark to use the machine properly.
◇The numbers in lower left corners of figures are figure numbers. We use them in texts as needed for
your reference.
6.4
Looper thread tension for double chainstitch
23
6.5
Adjusting the width of overedge seam
24
6.6
Upper and lower knives
25
6.7
Height of feed dogs
26
6.8
Tilt of feed dog
27
6.9
Adjusting needles and loopers
28
6.9.1
Height of needle
29
6.9.2
Distance between needle and upper looper
30
6.9.3
Back-and-forth position of upper looper
30
6.9.4
Installing angle of lower looper
31
6.9.5
Distance between needle and lower looper
31
6.9.6
Back-and-forth position of lower looper
31
6.9.7
Parallel of needles
32
6.9.8
Timing between lower looper and upper looper
32
6.10
Needle and double chaining looper
33
6.11
Needle and needle guards
34
6.11.1 Needle and needle guard(rear)
34
6.11.2 Needle and needle guard(front)
34
6.11.3 Needle and needle guards for double chainstitch
34
6.12
Position of presser foot
35
7. SC10 device
36
7.1
Outline
36
7.2
Adjusting ventilating amount
36
7.3
Installation
37
8. Specifications
39