18
MA_141_142_A10-6-7-3-6-5_130617_en
Fig. 7
a
b
Fig. 8
4.5.4
Adjust the front crank
Set the front crank (131.0010, 131.0019, according to machine class) vertically
in position “1”.
The regulation of the front crank influences the looper’s upwards movement. In
its front position, the looper moves upwards, and should move very closely over
the needle (0.1 to 0.15 mm) to ensure that the loop is properly taken up. You
also have to consider the different needle sizes. In its utmost rear position, the
looper is placed below the needle, and the needle about 1 mm above the
looper’s bevelled edge. (Fig. 7b)
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