7 - 6
Controls
112-005
7.11 Adjustment lever for the differential feed (only on the PFAFF 3704-2/..)
● Lever 1 (standard value)
Lever 1 is set at the value, with which
the machine usually operates.
● Lever 2 (fullness)
Lever 2 can be set at a value, which
deviates from the first setting. This value
can be called up with the knee switch,
see Chapter 7.14 Knee switch…
If the machine is set at the
standard setting, display unit 3
on the machine head is green.
7.12 Adjustment wheel for multi-stitch and zigzag stitch (only on the PFAFF 939 U)
Before sewing begins, make
sure that adjustment wheel 1 is
locked in position! Only switch
over when the machine is at a
standstill! Danger of machine
damage!
● It is possible to switch between multi
stitch and zigzag stitch with adjustment
wheel 1, see Chapter 9.08 Adjusting
the multi- or zigzag stitch.
Fig. 7 - 14
1
2
1
112-050
3
Fig. 7 - 13