2.4.7 Height of the needle bar linkage
Caution: Danger of injury !
Switchthemainswitchoff.
Check and adjust the height of the needle bar linkage only with the
sewing unit switched off.
Standard checking
If the two needle bars in the top dead centre are engaged, there must
be a distance of 0.2 mm between the yoke 4 and the needle bar
linkage 3.
–
Unscrew the screws 1 and take off the head cover 2.
–
Check the distance of 0.2 mm between yoke 4 and needle bar
linkage 3.
Correction
–
Unscrew the screws 1 and take off the head cover 2.
–
Slightly loosen screw 5 at the support plate.
–
Loosen the counternuts 7 and 9.
–
Set the linkage height with the screws 6 and 8 in such a way that
there is a distance of 0.2 mm between linkage 3 and yoke 4.
–
Tighten the counternuts 7 and 9.
–
Tighten screw 5 at the support plate.
–
Mount the head cover again.
21
121
43
9876
5
0,2 mm
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