Jack C4 Training Courseware

Operating Instructions –auto presser foot lifting introduction
Press auto-presser-foot Key（ ），
to adjust the auto-presser-foot mode，
continually press this key，switch the
auto-presser-foot mode In cycles：Pre
lift、after lift、pre&after lift、Off，
press（ ）to save，5S no action is
back to the standby interface。
parameter association：When P10=1 or P10=3
（Pre lift or pre&after lift），
P17automaticly turns to 1，Auto-presser-
foot-lifter will be on in half-auto mode

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