Checking Performance Problems - Kenmore 17881 Owner's Manual

4_
GO
Checking Pe i -o mance Probbms WHATTO O0
i/:4/ ,; : !
Puckerin
ty wound bobbin
Nicks or burr_ at hole of needle
plate.
Pul ngfabric.
Incorrect size needle. •
Incorrect setting of needle.
Loose presser foot.
Upper and lower threads not drawn
back under presser foot before
starting seam.
Incorrect thread tension(s).
Light pressure on presser foot.
Using two differe nt sizes or kinds
of th read.
Bent or blunt needle.
Loose presser foot.
Fabric too sheer or too soft.
CORRECTION
Choose correct size needle for thread and fabric.
Rethread machine.
Tighten upper thread tension.
Do not pull fabric; guide it gently.
Increase pressure on presser foot.
Reset presser foot.
Rewind bobbin.
Replace needle plate, or polish off burrs completely.
Do not pull fabriC; guide it gently.
Choose correct size needle for thread and fabric.
Reset needle.
Reset presser foot.
When starting a seam be sure to draw both threads under and
back of Dresser foot about 4" and hold until a few stitches
are formed.
Reset thread tensions(s}.
increase pressure on presser foot.
Upper thread and bobbin thread should be same size
and kind.
Insert new needle.
Reset presser foot•
Use underlay of tfssue paper.
;>i