Thread For One-Needle Two-Thread Overlock Stitch (Right Needle); Thread For One-Needle Two-Thread Overlock Stitch (Left Needle); Threading The Lower Looper - Brother 4234D Handbook

Thread for one-needle two-thread
overlock stitch (right needle)
3
4
<A>
7
7
Thread for one-needle two-thread
overlock stitch (left needle)
3
4
<A>
7
7
14
1
2
3
4
6
5
1
2
3
4
6
5
Threading has to be done in the following order.
1. Lower looper
2. Upper looper
3. Left needle
4. Right needle

Threading the lower looper

Run the thread in the sequence illustrated,
following the blue color and the numbers next to
each threading point.
0
9
0
8
9
7
1. Open the front cover by sliding to the right and
guiding the top toward you.
2. Pull the thread off the spool and directly up
through the thread holder 1 and the thread
holder 2 on the thread tree from back to front.
3. Pass the thread through the thread guide 3 on
the top of machine.
4. Pass the thread through the tension disc 4
which is in the channel next to the blue tension
adjustment dial.
1
3
2
4
3
4
5
8
7
6
6