Adjustment
14 - 22
14
.20
Eccentric hook shaft bearing
Requirement
1. The notch in bearing
3
(see arrow) must be visible from below.
There must be a slight but still noticeable play between gears
5
and
7
.
2. With the hook lightly touching the spin disc
4
and the hook point opposite the center
line of the needle, there must be a clearance of less than
0.1 mm
between the hook
point and the clearance cut of the needle.
3. Gear
5
must be flush with gear
7
.
●
Loosen screw
1
and both screws
2
.
●
Turn bearing
3
in accordance with
requirement 1
.
●
Set the hook lightly against spin disc
4
and shift bearing
3
, without turning it, in
accordance with
requirement 2
. Tighten screws
1
and
2
.
●
Position gear
5
(screws
6
) in accordance with
requirement 3
.
5
6
7
3
1
4
2
max. 0.1 mm
Fig. 14 - 20