How to put on the lead surface thread and wind the bottom thread of double needle sewing machine

Lead the thread side:

1, put the thread ball into the insertion peg, toggle the upper wheel to raise the pick thread, as shown in the picture below.

2. Pull the stitching thread from the ball of thread along the cover plate to the left side through the small hole in the threading seat, as shown in the picture below.

3, pull the thread around the clamping plate of the bobbin holder then pull it out from the stopper bar and down around the pickup spring as shown in the picture below.

4, then up through the small hole in the pickup bar from the right side, then down through one of the small holes in the lower threading seat, then pull the thread into the facing cover and slide it into the needle clip thread hook as shown in the picture below.

5. Finally, twist the tip of the sewing thread to the point, and pull out two or three inches of thread by threading it through the machine needle hole from left to right, as shown in the picture below.

Winding the thread bottom:

1. Unscrew the clutch screw in the center of the upper wheel, as shown in the picture below.

2. Thread the sewing thread into any small hole in the bobbin you are going to use, wind the thread around a few times, and then insert it into the bobbin winder so that the bobbin pin catches in the notch of the bobbin, as shown in the picture below.

3. Push the bobbin out in the direction of the upper wheel, then step on the sewing machine and the bobbin will rotate to wind the thread, as shown in the picture below.

Expanded Information

Notes:

1. For smooth threading, it is recommended that the operator selects a straight stitch (with the needle in the center) when using the automatic threader to avoid injury.

2, when pressing the threading control lever, it must be vertical downward force, and not left or right force.

3. At the moment when the threading hook passes through the needle hole, be careful not to exert too much force (use soft and hard force) to avoid damaging the threading hook or making it deviate.

4. Thick threads cannot pass through thin needles.

5. When the machine is running, do not pull down the automatic threading control lever, otherwise it will cause damage to the threading hook.

Baidu Encyclopedia - Twin Needle Sewing Machine