Rolled Hem With Polyester Thread; Rolled Hem Sewn With Bulk Thread - Pfaff hobbylock 799 Instruction Manual

Rolled hem with polyeste r thread (Figs. 1 and 2, page 37, bottom)
Preparat ion of the sewing machine :
Needle:
Remove needles A and B
Sewing foot:
Fit rolled hem foot ,,R"
Seam width:
From 2.5 to 3.0 mm (dependi ng on material )
Stitch length:
From 1 .5 to 2.5 (short stitch length)
Thread:
Polyeste r 1 00 to 140, for pink, green, and yellow thread tensions
Threadin g path:
1. Right looper, green path
polyeste r thread
2. Left looper, yellow path
polyeste r thread
3. Needle thread, pink path
polyeste r thread
Forthrea ding needles and loopers, see pages 8 to 1 3.
Tension setting:F ólded 3-thread
3-thread rolled
rolled hem. Fig.2
hem, Fig. 1
Green thread tension, right looper
approx. +2 to +4 approx. +5
Yellow thread tension, left looper
+5
approx. +2.5
Pink thread tension, needle thread approx. ,,N"
approx. ,,N" to —3
Dependi ng on material and thread, the respectiv e thread tension must be set higher or
lower.
Rolled hem sewn with bulk thread:
This hem requires three threads, one bulk thread and two polyeste r threads
120—14 0.
Preparat ion of the machine , as describe d above.
Thread:
bulk thread
—
green tension polyeste r
thread 1 20/2, for pink and yellow tensions
Threadin g path:
1. right looper, green path
bulk thread
2. left looper, yellow path
polyeste r thread 120-140
3, needle thread, pink path
polyeste r thread 1 20-140
For threadin g needles and loopers, see pages 8 to 13.
Tension setting:
Folded 3-thread
3-thread rolled
rolled hem. Fig.2 hem, Fig. 1
Green thread tension, right looper
approx. ,,N" to —1
approx. ,,N" to +2
Yellow thread tension, left looper +5
approx. +2.5
Pink thread tension, needle thread
approx. ,,N"
approx. ,,N" to —3
Dependi ng on material and thread, the respectiv e thread tension must be set higher or
lower.
Note:
Rolled hems can also be sewn with two bulk threads and one polyeste r
thread. Bulk threads must then be threaded in the left and right looper.
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