Singer 20U-109 Instruction Manual - Page 8

Specification

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Zigzag Sewing Machine Instruction Manual and Parts List 2.2. Machine Specification Table 1 - Machine Specification Singer model For sewing Stitch type 20U-109 / 109C 20U-112 / 112C Light to medium Plain zigzag (Straight stitch) 20U-309 3-step zigzag Max. speed' Max. stitch bight 2,500 rpm 9.0 mm 2,000 rpm 12.0 mm 2,500 rpm 9.0 mm Max. stitch length 5.0 mm Needle bar stroke 34.8 mm Presser bar lift (manual) 6.35 mm Presser bar lift (knee lifter) 9.0 mm Needle catalog (needle system) Cat. 1910-05 (135x9) Needle size See Section 3.5 "Needle and Thread" Machine pulley 74.0 mm effective dia. for v-belt Oil Singer Oil Workspace (w x h) 211 x 130 mm Bedplate dimensions 399.0 mm x 178.0 mm Net weight (head only) 21.0 kg Gross weight (with accessories) 25.0 kg Noise2 Lower than 76 dBA at 1,600 spm Maximum speed will vary depending on fabric, threads and sewing condition 2 Noise measurement according to DIN 4563-45-A 1.

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Zigzag
Sewing
Machine
Instruction
Manual
and
Parts
List
2.2.
Machine
Specification
Table
1
—
Machine
Specification
Singer
model
20U-109
/
109C
20U-112
/
112C
20U-309
For
sewing
Light
to
medium
Stitch
type
Plain
zigzag
(Straight
stitch)
3
-step
zigzag
Max.
speed'
2,500
rpm
2,000
rpm
2,500
rpm
Max.
stitch
bight
9.0
mm
12.0
mm
9.0
mm
Max.
stitch
length
5.0
mm
Needle
bar
stroke
34.8
mm
Presser
bar
lift
(manual)
6.35
mm
Presser
bar
lift
(knee
lifter)
9.0
mm
Needle
catalog
(needle
system)
Cat.
1910-05
(135x9)
Needle
size
See
Section
3.5
"Needle
and
Thread"
Machine
pulley
74.0
mm
effective
dia.
for
v
-belt
Oil
Singer
Oil
Workspace
(w
x
h)
211
x
130
mm
Bed
plate
dimensions
399.0
mm
x
178.0
mm
Net
weight
(head
only)
21.0
kg
Gross
weight
(with
accessories)
25.0
kg
Noise
2
Lower
than
76
dBA
at
1,600
spm
Maximum
speed
will
vary
depending
on
fabric,
threads
and
sewing
condition
2
Noise
measurement
according
to
DIN
4563-45-A
1.