– 74 –
No
31
32
33
34
35
36
37
38
39
40
Sewing size
(mm)
Length- Cross-
wise
wise
7
10
7
12
6
10
6
12
10
7
10
7
3
24
2
8
ø12
Stitch diagram
Number of stitches
52
63
24
31
48
48
90
28
28
48
Semilunar bartacking
Large size bartacking
Knit goods
bartacking
Round
bartacking
No
41
42
43
44
45
46
47
48
49
50
Sewing size
(mm)
Length- Cross-
wise
wise
20
2.5
25
2.5
25
2.5
30
2.5
30
2.5
30
2.5
ø8
Stitch diagram
Number of stitches
29
39
45
58
75
42
91
99
148
164
Lengthwise bartacking
Radial bartacking
(Note) 1. Patterns Nos. 41 to 46 are arranged for the
optional presser bar (No. 12).
2. The origin is different by 5mm from that of
the lengthwise bartacking patterns Nos.
23 to 26.
Summary of Contents for LK-1900A
Page 20: ... 16 10 Hook adjustment Standard Adjustment 0mm 0mm 7 5mm 0 05 0 1mm For DPX5 For DPX17 ...
Page 90: ... 86 Grease Grease Grease Grease Grease 8 Needle thread clamp mechanism area ...
Page 91: ... 87 Grease Grease A Grease Grease Grease Grease 9 LK 1901A relations ...
Page 92: ... 88 10 LK 1903A relations Grease Grease ...
Page 114: ... 111 12 Circuit diagrams 1 Block diagram A ...
Page 115: ... 112 2 Power supply circuit diagram A ...
Page 116: ... 113 3 Power supply circuit diagram B ...
Page 117: ... 114 4 Power supply circuit diagram C ...
Page 118: ... 115 5 Servo motor circuit diagram ...
Page 119: ... 116 6 Sensor pedal VR circuit diagram ...
Page 120: ... 117 7 MAIN PANEL board circuit diagram ...
Page 121: ... 118 8 Motor solenoid circuit diagram Thread trimmer Lifting the work clamp foot motor ...