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Jack
Sewing Machine
A3
Jack A3 User Manual
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Manual
Specs
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Me
c
hani
cal
ad
ju
stm
ent
-oi
l r
etu
rn
oil return pipe:Mainly
absorbed back
the excess oil of the head, to avoid
oil
to the w
orkbench
from the needle bar or
press foot
linoleum :A
bsorb
the excess
oil supply
,
then oil return pipe
oil return pipe
20
22
Table of Contents
Product Introduction
2
Operating Instructions
4
Factory Reset
4
Electronic Parameter
12
Trouble Removal
16
Mechanical Adjustment
19
Lower Shaft Oil Supply
19
Mechanical Adjustment-Armshaft Oil Supply
20
Adjustment of the Needle Bar Height
22
Adjustment of the Hook
23
Adjustment of Positioning Hook
24
Feeding Dog Angle
25
Adjustment of the Synchronization
26
Take-Up Lever Function,Installation
28
Stitch Adjustment Method-Link
29
Trimming
30
Adjustment Method of Trimming Standard
31
Mounting and Dismounting of Motor Encoder.mp4
32
Grating Film
33
4
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Jack A3 Specifications
General
Brand
Jack
Model
A3
Category
Sewing Machine
Language
English
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