28 MA_560_A4_180619_en
3.7
The lifting closed being the spring-loaded plunger plate presses the material to
the needle plate around the area of needle penetration.
Plunger plate
3.7.1
Setting the plunger plate (Fig. 11 and Fig. 17)
ATTENTION!
Switch off machine electrically!
The plunger being in its basic position set collar (2) should be fixed approx.
2 - 3 mm. ABOVE THE LOWER ARM: When thicker fabrics are sewn the set
collar is released.
3.8
Distance looper point to knife point (Fig. 20)
ATTENTION!
Switch off machine electrically!
In stillstand position the distance between looper point (1) and knife (2) should
be 2 mm. Regulation by means of lever (3) on the magnet shaft.
Set collar (4) prefig.nts part (5) from moving upwards. Mount set collar (4) in a
way that (5) and knife (2) can do the cutting movement without jamming (play
0.2 mm).
Check this setting when changing the knife.
Fig. 20
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