Jack C4 Training Courseware

Operating Instructions –thread trimmer model introduction
Press trimmer mode key
（ ），to adjust the trimmer mode，
continusly press this key，switch the
trimmer mode In cycles：Pre-cutting、
after cutting、Pre & After cutting、
Off、Pre-cutting length adjust
（Press 、 ，Small value means long）、
After cutting length(Press 、 to
adjust，Big value means long），After
adjustment then press（ ）to save，5S
no action is back to the standby
interface。

Jack C4 Specifications

General

Product Introducti	ion-technical specifications
Type/Name	C4 The Fastest Automatic Overlock Machine
Highest Speed	7000rpm/min
Differential	0.7-2.0
Thread Wideth（mm）	1.5-8.0
Presser Foot Height（mm）	5.0-7.0
Needle Type	DCX27
Needle Bar Height	（general）10.4mm/12mm（heavy）
Needle Bar Stroke	（general）24.5mm/26mm（heavy）

Weight and Dimensions

Max Length(mm)	0.8-4.8