Stitch Length Adjustment Wheel; Adjustment Wheels For The Top Feed (Only On The Pfaff 939 U) - Pfaff 939 U Instruction Manual

Controls
7

Stitch length adjustment wheel

.09
PFAFF 939 U
● Set the stitch length by turning the stitch length adjustment wheel 1.
7 Adjustment wheels for the top feed
.10
7 - 5
2
Fig. 7 - 10
The stitch length setting can be read on scale 2.
2
Fig. 7 - 12
PFAFF 3704-2/..
1
Fig. 7 - 11
(only on the PFAFF 939 U)
● Adjustment wheel 1 (1st setting)
This adjustment wheel is for adjusting the
setting with which the machine is
to do most of its work.
1
Green area = Apply fullness
Red area
Zero
same feed stróke).
● Adjustment wheel 2 (2nd setting)
Adjustment wheel 2 is used for setting a
value, which deviates from the first
setting. This value can be selected with
the second pedal (see Chapter 7.03
Pedal).
1
2
= Stretch
= Normal sewing
(The main and differential
feed dogs work with the