Adjustment
13 - 8
13
.06.05
Hook shaft bearing and hook-to-needle clearance
Requirement
1. The groove in bearing
3
(see arrow) should be visible from below and there should be
slight but palpable play between gear wheels
5
and
9
.
2. When the hook is resting lightly on the centrifugal disk and the hook point is positioned
at the center of the needle, there should be a clearance of
less than 0.1 mm
between
the hook point and the clearance cut of the needle.
3. Gear wheel
5
should align with gear wheel
9
.
Fig. 13 - 07
●
Loosen screws
1
and
2
.
●
Turn bearing
3
according to the
requirement 1
.
●
Move the hook gently against centrifugal disk
4
until it stops.
●
Move bearing
3
without turning it according to
requirement 2
.
●
Tighten screws
1
and
2
.
●
Move gear wheel
5
(screw
6
) according to
requirement 3
.
9
5
6
3
1
2
4
<0.1 mm
