Brother 884-B20/B21 Manual De Instrucciones página 27

4. Adjust the stitch width adjustment dial up to the
"R" position.
<A> Selection mark
5. Adjust the stitch length.
Set the stitch length adjustment dial to "R" to "2"
position (for narrow overlock stitch: "R" to "2",
for rolled hemming stitch: "R").
<A> Selection mark
Chart of Narrow overlock / Rolled
hemming stitch
For details on recommended materials and
threads for the needles, the upper looper and
the lower looper, see "CHAPTER 4 SEWING
MATERIALS, THREADS AND NEEDLES
COMPARISON CHART".
Narrow overlock stitch
Stitch style Reverse
Surface
Stitch length R (R-2.0)
Stitch width R (R-6)
Stitch finger Lowered
Thread tension For fine
materials
Needle thread 4 (3 - 5)
Upper looper thread 5 (4 - 6)
Lower looper thread 5 (4 - 6)
Stitch style
Stitch length
Stitch width
Stitch finger
Thread tension
Needle thread
Upper looper thread
Lower looper thread
Setting the two-thread-switching plate
Turn off the machine before setting the two-thread-
switching plate.
1. Open the front cover <A> and the knife cover
<B>.
2. Turn the handwheel so that the mark on the
handwheel <C> is aligned with the line on the
machine <D>.
For medium
materials
5 (4 - 6)
6 (5 - 7)
6 (5 - 7)
Rolled hemming stitch
Reverse
Surface
R (R-2.0)
R (R-6)
Lowered
For fine
materials
5 (4 - 6)
5 (4 - 6)
7 (6 - 8)
Two-thread sewing
CAUTION
For medium
materials
5 (4 - 6)
5 (4 - 6)
7 (6 - 8)
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