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Jack
Sewing Machine
A4S
Jack A4S User Manual
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Manual
Specs
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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
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Jack A4S Specifications
General
Type
Lockstitch
Stitch Length
5 mm
Lubrication
Automatic
Power
550W
Needle
DBx1
Max Sewing Speed
5000 stitches per minute
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