Adjustment
13
.05.02
Roller lever
Requirements
1. With the roller lever
6
in resting position and the needle bar at TDC, there must be a
clearance of
0.3 mm
between roller
7
and control cam
8
.
2. When the thread trimmer is on and the needle bar is at BDC, roller
7
must be in the
middle of the recess in control cam
8
.
●
Position the needle bar at TDC.
●
Bring the thread trimmer to resting position.
●
Move eccentric
1
(screw
2
) in accordance with
requirement 1
.
●
Position the needle bar at BDC and disengage latch
3
.
●
Turn screw
4
(nut
5
) in accordance with
requirement 2
.
Fig. 13 - 20
6
7
8
0.3 mm
1
2
3
4
5
13 - 24
Содержание 1421E1
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