Changing The Sewing Equipment - DURKOPP ADLER 381 Service Instructions Manual

16.

Changing the sewing equipment

10
13
44
1
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Remove the needles.
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Remove the screw 12.
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Remove the needle heads 13.
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Remove the sewing foot.
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Remove the screw 11 and loosen the clamnping screw 10.
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Remove the throat plate.
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Turn out the screw 1 and remove the feed dog.
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Inseert new needle heads and new needles (modified needle
distance.
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Adjust the needle bar height according to chapter. 9.
11
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Remove the oil collector tray 8.
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Loosen the clamping screws 9 and the screw 6.
12
–
Loosen the clamping screws 3 and 4 and the toothed wheel 2
NOTE! The first screw, seen in the direction of rotation, will remain
in the shaft groove!
–
Shift the hook blocks in the axial direction. Ensure that the latereal
distance between the groove of the needle and the hook top
amounts to 0,1 mm , as specified in chapter. 9.
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Tighten the clamping screws for the hook blocks 6 and 9.
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Set the toothed wheel 2 at a distance of 0,2 mm from the holder
and tighten the screws 3 and 4 of the toothed wheel 2.
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Adjust the loop stroke according to chapter. 13.1.
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Fit new sewing foot, throat plate and feed dog. Note for the feed
dog the chapter. 5.
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Replace the oil collector tray 8.
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It is absolutely necessary to note the position of the hook shaped
knife in relation to the counter knife. See chjapter 14.5 ff.
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Function test (turn the machine by hand).
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Conduct a sewing test.
2 3
9
6
8
4
5
6
7