14
Adjustment
Needle rise position
Model C: Balance wheel position 202° / 2.0 mm
Model C/D: Balance wheel position 204° / 2.4 mm
1.05.09 Needle rise, hook clearance and needle height
Requirement
With the stitch length set at "4.5" and in the needle rise position (see table)
The hook point 1. 5 should be positioned at "needle centre" with a hook-to-needle clea-
rance of 0.05 – 0.10 mm.
The top of the needle eye should be positioned 2. 0.8 mm below hook point 5.
Set stitch length " ● 4.5" and bring the balance wheel into the needle rise position.
Adjust hook ● 1 (screws 2) in accordance with requirement 1.
Bring oil distributor ring ● 3 (screw 4) into contact with hook 1.
Without turning it, re-position the needle bar in accordance with the ● requirement 2.
Fig. 1 - 09
1
2
3
2
5
0,05 - 0,10 mm
4
0,8 mm
5