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BA_327D_A2_200715_en.doc
Uneven stitching
Possible reasons:
-
frequently worn or damaged needles
-
height of Stitch plate or needle slide plate incorrectly adjusted
-
unsuitable needle thickness (too thin)
Solutions:
-
Replace damaged needle. Check adjustments and correct if necessary. Use
correct needle thickness.
Missing loops
Possible reasons:
-
incorrectly adjusted or badly adjusted hook
-
hook timing too small or too big
Solutions:
-
Turn machine by hand and check hook motion. The cause can usually be
seen.
-
If necessary, also correct thread tension or thread tension spring.
-
correct hook timing.
Loops become stuck
Possible reasons:
-
thread tension too slack
-
needle not tacking
Solutions:
-
Check thread tension or thread tension spring
-
Check stitch depth (even for skip stitch or plunger lowering)
Machine does not start
Possible reasons:
-
Control fault
-
Mechanical damage
Solutions:
-
Switch machine off and on again
-
Rectify mechanical faults
-
Check programming. If necessary, call customer service.
Содержание 327D
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