Jack C4 Training Courseware

Operation instructions -parameter Introduction
P33
sensor
sensitivity(
for avoiding cutting the fabric
)
20
-
40
36
Sensitivity
is more higher, its easy
to
identify
the transparent material.
P34
Stitch
number between back sensor and
third sensor.
1 - 99 99
P35
Stitch
delay for machine stopping 1 - 99 1
P36
Front
sensor response time 5 - 50 10
（
*10 ms）（Sensitivity）
P37
Front
sensor sensitivity
20
-
40
36
Sensitivity is more higher, its
easy to
identify the
transparent material.
P38
Back sensor
sensitivity
20
–
40
36
Sensitivity is more higher, its
easy to
identify the
transparent material.
P39
Front
presser foot protect time 1- 50 2
（
*100ms）The
time is more longer,
The presser foot can lasted longer.

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