Computerized Control System for Square Buttonhole Machine Preparation before Sewing
7
2
Preparation before Sewing
2.1
Installation of Needle
In order to avoid the personal injury caused by the sudden start of
machine, user has to turn off power and make sure the motor stops
before performing the following operation
1
）
Turn the wheel to lift the needle to the highest
position.
2
）
Turn the slot on the needle to the front (in
Direction A).
3
）
Insert the needle into the needle bar hole
deeply.
4
）
Fix the needle screw
①
※
The needle should be DP×5 # 11J ~ # 14J
Do turn off power when you install
needles.
2.2
Threading (Needle Thread)
In order to avoid the personal injury caused by the sudden start of
machine, user has to turn off power and make sure the motor stops
before performing the following operation
