Page 52 - Textile

Textiles and Garment Construction

Faults Causes Remedies

(h) Seam or hem too bulky for the (h) Change the needle or cut
needle away some bulkiness
of the seam where not
required
Missed (a) Incorrect threading (a) Rethread the machine
stitches correctly
(b) Material pulled as it is being (b) Use a hand to guide the
stitched work. Do not pull the work
(c) Blunt needle, twisted or too low (c) Replace the needle with
a new one in the correct
position
(d) Thread too thick for the needle (d) Use identical threads on
used reel and bobbin
(e) Incorrect needle position (e) Check the needle position

(f) Upper thread tension too tight (f) Adjust the upper thread
tension
Material
not moving (a) Fabric folds too thick (a) Avoid placing many folds
under the of fabric under the foot
presser foot

(b) Beginning stitching too close (b) Adjust the position of the
to the edge presser foot
(c) Stitch regulator screwed to the (c) Regulate or adjust the
fullest extent of shortening regulator
(d) Lowered feed dog (d) Raise feed dog in a correct
position
Puckered (a) Tension too tight (a) Loosen the tension screw
seams
(b) Blunt needle (b) Replace the blunt needle
(c) Stitches may be too long, (c) Correct the length of the
especially on a fine fabric stitch
(d) Different thread on the needle (d) Use the same thickness of
and the bobbin has been used thread in the needle and
bobbin

44 Student’s Book Form One Student’s Book Form One 45

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