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20U109
Singer 20U109 User Manual
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55
Zigzag Sewing Machine
|
Instruction Manual and Parts List
6.13
Control
System
Components
for 20E-910
only
1
2
3
4
5
6
109
109C
112
112C
309
910
15
3
C
/
8
-
2
C
o
n
t
r
o
l
b
o
x
0
0
0
0
0
1
2
53C/8-5
Operation
panel
0
0
0
0
0
1
3
53C/8-4
Operation
panel
cable
0
0
0
0
0
1
4
53C
/
5-1
8
Ope
r
ati
on
pa
nel
br
ack
et
0
0
0
0
0
1
5
GB/T
84
5
Scre
w
0
0
0
0
0
4
6
W
3
4
S
c
r
e
w
000004
No.
P
ar
t
No.
Description
Qty
57
59
Table of Contents
Default Chapter
1
Instruction Manual
1
Table of Contents
2
1 Safety Instructions
4
Important Safety Instructions
4
For Safe Operation
5
2 Product Description and Machine Specification
6
Product Description
6
Machine Specification
7
Motor, Motor Pulley and V-Belt Specifications
8
Relationship between Zigzag Bight and Maximum Speed
8
3 Setup and Adjustment Instructions
9
Oil Reservoir Installation
10
Belt Cover Installation
11
Operation Panel Installation (for 20E-910 Only)
11
The Connecting the Connectors to the Control Box (for 20E-910 Only)
12
Lubrication
13
Inserting the Needle
14
Needle and Thread
14
Bobbin Case Attachment
15
Bobbin Thread Winding
16
Bobbin Case Threading and Replacement
17
Machine Threading
19
Presser Foot Pressure Adjustment
20
Stitch Length Adjustment (Except 20E-910)
20
Needle Thread Tension Adjustment
21
Thread Take-Up Spring Adjustment
21
Bobbin Thread Tension Adjustment
22
Needle Position Selector (Except 20U-309 and 20E-910)
22
Stitch Width Regulator (Except 20E-910)
23
Zigzag Stitch Width Control (Except 20E-910)
23
Needle Bar Frame Clamp Device
24
Straight and Zigzag Stitch Fitting (Except 20E-910)
25
Spool Cap Usage
26
Knee Lifter Installation
27
Thread Anti-Spill Net Usage
27
Fittings for Buttonhole Stitching
30
Fittings for Hem Sewing
30
Fittings for Zipper and Cord Sewing
31
4 Maintenance
32
Lubrication
32
Machine Head Cleaning
32
Safety Inspection
32
5 Troubleshooting
33
6 Parts List
34
Face Plate, Arm Top Cover and Arm Side Cover Components
35
Side Cover
36
Thread Take-Up, Arm Shaft and Handwheel Components
37
Needle Bar, Presser Bar and Needle Plate Components
39
Needle Bar
40
Needle Plate
40
Zigzag Triangular Cam and Hook Advancing Crank Components
41
Bight Amplitude, Bight and L-C-R Position Components
43
Arm Shaft (Upright) and Rotating Hook Drive Shaft Components
45
Arm Shaft
46
Hook and Bobbin Case Components
47
Feed Regulating Dial and Feed Reverse Lever Components
49
Feed Mechanism Components
51
Presser Bar Lifter and Thread Tension Components
53
Presser Bar
54
Feed Mechanism Components for 20E-910 Only
55
Needle Bar Vibration Components for 20E-910 Only
57
Control System Components for 20E-910 Only
58
Thread Stand Components
59
Thread Stand
60
Accessories and Attachments
61
Belt Cover Components and Extra Parts
63
4
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Singer 20U109 Specifications
General
Brand
Singer
Model
20U109
Category
Sewing Machine
Language
English
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