Pfaff 1122-720/02, Руководство по настройке, Страница: 21 / 34

Adjustment
12 - 18
12
.06
Adjusting the thread trimmer -900/93
12
.06.01
Basic position of the thread trimmer
Requirement
1. When the thread trimmer is in its resting position, levers
1
and
2
should be touching the
stops
6
and
7
.
2. In needle rise position roller lever
8
should be positioned in the centre of the path of
control cam
9
.
●
Adjust levers
1
and
2
(screws
3
) in accordance with
requirement 1
.
●
Bring the machine into the needle rise position, see
Chapter 12.05.07 Hook-to-needle
clearance, needle rise, needle height and needle guard
.
●
Adjust connection rod
4
(nuts
5
, left and right thread) in accordance with
requirement 2
.
Fig. 12 - 17
1
6
5 4 5
2
7 3
109-091
109-055
9
8