Threading; General Threading Information - Pfaff coverlock 4.0 Owner's Manual

General threading information

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:
2. Unthread the loopers
3. Thread the upper looper
4. Thread the lower looper
The following pages give you detailed step by step instructions on threading.
Fabric
Needles
Thread
12

Threading

Light fabric
#12/80
Polyester
Twisted thread
#60/2 - #100/3
Twisted thread
#80/3 - #100/3
Medium fabric
#14/90
Twisted thread
#60/2
#14/90
Twisted thread
#50/2 - #60/2