Pfaff 1122-720/02, Руководство по настройке, Страница: 26 / 34

Adjustment
12 - 23
109-032
12
.07
Adjusting the thread wiper -909/93
Requirement
1. When the thread wiper
3
is in its resting position, it should have a clearance of approx.
3 mm
to the presser foot bar.
2. When the thread take-up lever is at t.d.c. and the stitch length is set at "2", with the
thread wiping mechanism switched on, thread wiper
3
should pass
0.5
behind and
0.5 – 1.0 mm
below the needle point.
3. The thread wiper
3
should catch the threads reliably.
4. During its movement thread wiper
3
should not bump against anything.
●
Adjust stop
1
(screws
2
) in accordance with
requirement 1
.
●
Adjust thread wiper
3
(screws
4
und
5
) in accordance with
requirement 2
.
●
Adjust thread wiper
3
(screws
6
) in accordance with
requirement 3 (approx. 0.3 mm
clearance to the needle).
●
Check
requirement 4
and, if necessary readjust the previous settings.
Fig. 12 - 22
2
1
5
3
6
109-060
4
4
109-034
ca. 3.0 mm
0.5 - 1.0 mm
0.5 mm
0.3 mm
0.3 mm