What to do – Kenmore 15/I649 User Manual

Page 31

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WHAT TO DO

PROBLEM

PROBABLE CAUSE

CORRECTION

Skipping

Stitches

Incorrect size needle.
Bent or blunt naedia,
incorrect setting of nesdis

Tight upper thread tension
Light pressure on presser foot

Choose correct size needle for thread and fabric (page 5
Insert new needie (page 5).
Reset needie (page B)

Loosen upper thread tension (page 12)

* ■

increase pressure on presser foot (page 10),

Breaking Upper

Thread

Starting to stitch too fast
improper thraadirig

Tight upper thread tension
Incorrect size needle
Sharp eye in needie

Start to stitch at a medium speed.

Rathread machine (page 9),
Loosen upper thread tension (page 1 2),.
Choose correct size needle for thread arid fabric (page 5
Insert new needle (page 5)

Breaking Bobbin

Thread

Improper bobbin esse threading
Tight bobbin thread tension.
Lint in bobbin esse or shuttie

Check bobbin case threading (page 8}
Loosen bobbin thread tension (page 13) ,

Clean bobbin case and shuttSe (pages 28. 29).

Fabric not

Moving

Feed dog down.
Light pressure on presser foot,

Threads knotted under fabric.

Raise feed dog (page 1 5)
Increase pressure on presser foot (page 10).

Place both threads back under presser foot before

beginning to stitch

Machine Jamining

(Knocking Noise)

Thread caught in shuttle.

Disassemble and clean shuttle (pages 28, 29)