Singer 20U109 User Manual

11
Zigzag Sewing Machine | Instruction Manual and Parts List
3.7
Needle and
Thread
Figure 10
Selection of the proper needle
depends not only on the machine
model, but also on the material and
thread used. For selection of proper
needle and thread sizes to be used
on the various machine models
please refer to the table below.
Caution
The power
supply should
be cut off
before attach-
ing the needle.
3.8
Inserting
the Needle
Use needle Cat. No. 1910-05 needle
system (135x9) only.
Raise needle bar to its highest
position by turning handwheel
toward you.
Loosen needle set screw ‘1’ (see
Figure 10). Insert the needle in the
needle bar and push it up as far as it
will go.
Make sure its long groove faces
toward the front. Tighten needle set
screw ‘1’ securely.
Caution
Switch off the
machine.
Do not operate
the machine
without the
finger guard ‘2’
(see Figure 10)
1
2
* or an equivalent size of other types of thread
Table 4 - Needle and Thread
Model
Application
Light weight
materials
Medium weight
materials
Mid-heavy weight
materials
Max. thread size (Nm)-
Synthetic*
120 60 30
Needle size (1/100mm) 10 (60) 12 ~ 16 (80 ~ 100) 18 ~ 19 (110 ~ 120)
Needle catalog
(Needle system)
20U-109 / 109C / 112 / 112C / 309, 20E-910
1910-05 (135x9)

Singer 20U109 Specifications

General

Brand	Singer
Model	20U109
Category	Sewing Machine
Language	English