Jack A4 User Manual

Mechanical adjustment-Feeding Dog Angle
1-1.2mm
feed dog high and low screws
feed dog before and
after the screw
Feed dog tilt screw
1、When the needle pitch reaches the maximum, by adjusting the feed dog before and
after the screw, make before and after the feed dog do not touch the needle plate
2、By adjusting the feed dog of the high and low screws, so that the feed dog at the
highest,exposed needle plate plane 1-1.2mm

Jack A4 Specifications

General

Brand	Jack
Model	A4
Category	Sewing Machine
Language	English