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PFAFF 15
10 Needle rise, final adjustment of needle bar height and bobbin case
positioning finger
Requirement
With the stitch length set at “0” and the needle bar at a position 1.8 mm past b.d.c.
(cylindrical pin in hole “4”)
1. the hook point must be opposite the center line of the needle and the top edge of the
needle eye must be 0.8 mm below the bottom edge of the sewing hook.
2. there must be a clearance of 0.5 mm between the lug of positioning finger 3
and the
inside edge of the positioning slot.
2
3
0,5 mm
0,8 mm
1
4
● Adjust the hook (screws 1) without shifting it and the needle bar (screws
2) without
turning it according to requirement 1.
● Set lug of positioning finger
3
into the slot in the bobbin case base; adjust and fix it
according to requirement 2.