Threading; General Threading Information - Pfaff Coverlock 3.0 Owner's Manual

overlock sewing. To sew rolled edge you need to retract
lever as far as it will go in each direction.

General threading information

upper looper, followed by the lower looper and then the needles from right to left.
Re-threading if a thread breaks
If the two loopers are not threaded in the correct order they will not create a stitch. If a looper thread
breaks always do the following:
1. Unthread the needle(s)
2. Unthread the loopers
3. Thread the upper looper
4. Thread the lower looper
5. Thread the needle(s) from right to left
The following pages give you detailed step by step instructions on threading.
Fabric
Needles
Thread
Light fabric
(voil, crepe, georgette, etc.)
#12/80
Polyester
Twisted thread
#60/2 - #100/3
Twisted thread
#80/3 - #100/3
N
Medium fabric
(cotton, chino, wool, satin
etc.)
#14/90
Twisted thread
#60/2
R
Heavy fabric
(denim, jersey, tweed etc.)
#14/90
Twisted thread
#50/2 - #60/2

Threading

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