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SECTrON 6.
What to Do When (Continued)
PROBLEM PROBABLE CAUSE CORRECTtON
Monograms and buttonholes not Machine was not allowed to complete the Hold down the fOOTcontrol until the machine h_s
ident{caI. !asl tow stitches, stopped.
Incorrect size needle. Choose correct size needle tot thread end fabric.
Bent or blunt needle, lnsert new _eedle.
Skipping Stitches Incorrect setting of needle. Reset needle.
Tight upper thread tension. Loosen upper thread tension.
Light pressure on presser loot. Increase pressure on presser toot.
Starting to stitch too last. Start to stitch at a medium speed.
Improper threading. Re_hread machine,
Breaking Upper Thread Tight upper thread tenslon. Loosen upper thread tension.
Incorrect slze need|e. Choose correct slze needle lot thread and fabric.
Sharp eye In needle, insert new needle,
Nicks or burrs at hote of naedIe plate. Replace needle plate, Orpolish off burrs completely.
Breaking Bobbin Thread improper bobbin holder lipreading. Check bobbin holder threading.
Lint m bobbin holder or hook race. Clean bobbin holder and hook race,
Darning plate m place. Remoue darning plate.
Light pressure on p_esser loci, tncrease pressure on presser toot,
Fabric not Moving Thread knotted under fabric. Place both threads back under presser toot before beginning
to StITCh.
Push-put! clutch _sdisengaged. Push m the clutch,
Machine Jamming Knocking Noise Thread caught in hook race. Disassemble and clean hook race,
Lint in bobbin holder or hook race. Clean bobbin holder and hook race.
Fabric _s pulling and distorting the
automatic fabn_ teed.
PERFORMANCE PROBLEMS CHART
Buttooholes are not identical
in lenf_th and shape.
96
Fabric ts too thick near the seam and the
buttonholes.
i.
2,
2.
3.
Keep the fabric _rom fallinrj off the edges of the sewing
surface.
Bunch the taboo slightly all around the needle.
Use the J Foot inThese instances.
Start the buttonhole so that you sew toward the edge of
the fabric.
Put standard writing paper {not tissue paper) under The
garment to aid fabric teed {for woven and stretch taboos},
Do not use the Automatic Buttonhole function,
Sew each button individuaIIy,