12
Adjusting the thread trimmer -900/93
.06
12
Basic position of the thread trimmer
.06.01
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.
Fig. 12 - 17
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.
6
3
1
9
2
7
Adjustment
8
109-091
5
4
5
12 - 18