Chapter 3: Threading; Threading The Lower Looper - Brother 3534DT Operation Manual

CHAPTER 3
THREADING
CAUTION
Turn off the machine before threading for safety.
Threading has to be done in the following order.
1. Lower looper
2. Upper looper
3. Right needle
4. Left 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
9 8
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
plate 2 on the thread tree from back to front.
3. Pass the thread thourgh the hole 3 on the top
of machine.
1
3
2
4
3
4
5
8
7
6
6
4. Pass the thread through the tension disc 4
which is in the channel next to the blue tension
adjustment dial.
5. Guide the thread down the channel and
pass the thread through the threading points
5678 next to the blue color marks following
the numerical order in the accompanying
illustration.
NOTE:
Make sure to thread both of the thread take ups 7.
Continue on "Lower looper easy threading
operation".
Lower looper easy threading operation
1. Slide the lower looper threading lever <A> to
the right.
The lower looper <B> moves to the position
illustrated as below.
<B>
CAUTION
Slide the threading lever only in the directions
shown by the arrow. Forcefully moving the
threading lever in any other direction may damage
it.
Before sliding the lower looper threading lever,
make sure the needle is at its highest position.
2. Pass the thread as illustrated.
<A>
<B>
15