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Jack
Sewing Machine
JK-1900BSK
Page 24 (Troubleshooting)
Jack JK-1900BSK - Troubleshooting
42 pages
Manual
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CONFIDENTIAL
PROJECT NAME
| date
项目名称
|
日期
24
Tr
oub
les
hoo
ting
-
com
men
fa
ults
Co
de
mea
nin
g
：
Kn
ife
po
sit
ion
ab
norm
al
So
lut
io
n
：
1
、
T
urn
off
an
d
res
tar
t
the
ma
chi
ne
2
、
Che
ck
if
knif
e
pos
it
ion
is
nor
mal
3
、
Res
tor
e 6
7
（
25
reco
ver
y
）
Error code
（
E305
）
23
25
Table of Contents
Main Page
Product Introduction
2
One Machine, Two Uses - Fast Switching
5
Bar-Tacking Pattern
6
Operation Instructions
7
Parameter List
7
Patterns for Bar Tacking
13
List of Bartack Patterns
15
List of Buttonattaching Patterns
16
Errors Checking
18
Trouble Removal
21
Troubleshooting
24
Troubleshooting
27
Mechanical Adjustments
29
Horn Adjustment
29
Shuttle Hook Catch the Thread
30
Separate Thread Device
31
Adjustment of the Shuttle Hook Oil
32
Shuttle Bed Adjustment
33
Mechanical Adjustment
33
Presser Foot Level
34
Principal Axis Motor
35
Feeding Motor
36
Lower Gear Gap
37
Presser Foot Center Origin (Bar Tacking Mechanical Origin)
38
Presser Foot Center Origin (Button Attaching)
39
Trimmer Adjustment
40
Bar Tacking and Button Attaching Change (Mechanical)
41
Bar Tacking and Button Attaching Change (Control Box)
42
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