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.
6.5
Width of overedge seam
24
6.6
Upper and lower knives
25
6.7
Height of feed dogs
27
6.8
Tilt of feed dog
28
6.9
Needles and loopers
29
6.9.1
Height of needle
29
6.9.2
Installing angle of lower looper
30
6.9.3
Distance between needle and lower looper
30
6.9.4
Parallel of needles
31
6.9.5
Back and forth position of lower looper
32
6.9.6
Distance between needle and upper looper
33
6.9.7
Back and forth position of upper looper
34
6.9.8
Timing relation between lower looper and upper looper
34
6.10
Needle and double chaining looper
34
6.11
Needle and needle guards for AZ7000SDR-8
35
6.11.1 Needle and needle guard(rear)
35
6.11.2 Needle and needle guard(front)
35
6.12
Needle and needle guards for AZ7500SDR-8
36
6.12.1 Needle and needle guard(rear)
36
6.12.2 Needle and needle guard(front)
36
6.12.3 Needle and needle guard for double chain stitch
37
6.13
Position of presser foot
37
7. SC10 device
38
7.1
Outline
38
7.2
Adjusting ventilating amount
38
7.3
Installation
39
8. K2 device
41
8.1
Adjustment for engagement between upper trimming knife and lower trimming knife 41
8.2
Oiling
41
9. Specifications
42
9.1
AZ7000SDR-8 class
42
9.2
AZ7500SDR-8 class
43