Adjustment
11 - 11
11.04.10 Hook-to-needle clearance, needle rise, needle height and needle guard
Requirement
In the needle rise position (see table), the following applies:
1. The hook point must be at the “needle centre“ position and clear the needle by 0.05 -
0.1 mm.
2. The top edge of the eye of the needle must be 0.8 - 1.0 mm below the hook point.
3. The needle guard 8 must lightly touch the needle.
Needle rise position
Model B: 1.8 mm after BDC of the needle bar
Model C: 2.0 mm after BDC of the needle bar
Model C/D and D: 2.2 - 2.5 mm after BDC of the needle bar
Fig. 11 - 10
● Loosen screws 1, 2
and 3.
● Loosen screws 4 on both sides of the posts.
● Bring the needle to its BDC and slide the feeler gauge for the appropriate model under the
needle bar bearing.
● Position the adjustable clamp against the feeler gauge and screw it tight.
4
5
1
1
1
1
23
3
2
6
7
7
6
0,8 - 1 mm
0,05 - 0,1 mm
8