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2.7
Shuttle settings
2.7.1
Loop lift and distance between shuttle beak and needle
0,1 mm
2
3
1
4
Regulation and inspection
The loop lift is the travel of the needle bar from bottom dead centre to
the point at which the shuttle beak is at the centre of the needle.
The loop lift is 1.8 mm.
–
Lock the machine in position A.
The shuttle beak 1 must be at the centre of the needle.
The distance between the shuttle beak 1 and the needle must be
0.1 mm.
Caution: danger of injury
Turn off the main switch.
The loop lift and the distance between the shuttle beak and needle
may only be adjusted with the sewing machine switched off.
Adjustment
–
Remove shaping module and slide plate (see section 2.6).
Fit new needle.
–
Undo first attachment screw 3 of shuttle 4.
–
Lock sewing machine in position A.
–
Undo second attachment screw 3 of shuttle 4.
–
Place shuttle beak 1 at centre of needle.
The distance between the shuttle beak 1 and the furrow of the
needle must be 0.1 mm.
In this position there is a distance of about 0.4 mm between the
shuttle 4 and the bush 2.
If the distance of 0.4 mm is not achieved, the shuttle-drive housing
should be adjusted accordingly (see section 7.2).
–
Retighten 2 attachment screws 3 of the shuttle 4.
–
Replace all the parts which have been removed.
11
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