Singer Sewing Machine, Instruction Manual

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CONTENTS
Warranty......................................................... 3
Preface............................................................. 5
Getting Ready to Use Your Machine...........
Packaging
The Portable Case
Needles
Machine Lubrication 6–7
Getting Ready to Sew......................................
Winding the Bobbin
Threading the Machine
Bobbin & Bobbin Case Installation
Picking up the Bobbin Thread
Adjusting the Stitch Length
Reverse Sewing
Straight Stitch & Zig Zag Sewing
Adjusting the Tension 8–13
Adjusting the Shuttle Hook..........................
Removing the Hook
Cleaning the Hook
Replacing the Hook 14
Troubleshooting
Motor & Balance Wheel Run But
Machine Will Not 15
Common Sewing Problems...........................
Skipped Stitches
Steps to Eliminate Skipped Stitches
Pressure Foot Pressure
Needle Bar 16–17
Timing and Hook 18–23
Schematics.....................................................
Helpful Hints.................................................. 24–35
36-39
4 37
REASONS CORRECTIONS
MAKES LOOSE STITCHES AND LOOPS ON UNDERSIDE
OF FABRIC.
a) Threading is incorrect.
b) Presser foot is not
completely lowered.
c) Insuf fi cient needle thread
tension.
d) Thread take-up spring is
bent or broken.
e) Poor stitches and bad
seams for following
reasons:
1. The bobbin is wound
unevenly.
2. Upper thread tension is
too tight or too loose.
3. Bobbin thread is too
coarse for material.
4. The needle is not suited
for material.
5. Needle damaged.
6. Uneven thread tension
likely to be caused by
thread of poor quality.
a) Correctly thread machine.
b) Check whether Presser foot is
down.
c) Adjust thread tension.
d) Change the spring.
e)
1. Adjust the bobbin winder
thread guide.
2. Adjust the upper thread
tension.
3. Use thread of same size as the
needle thread.
4. Use fi ner needle and thread
which is suitable for the fabric.
5. Change the needle.
6. Change the thread.
IF THE MATERIAL PUCKERS
a) The needle thread tension
is too tight.
b) The needle and the bobbin
thread are too tight for the
fabric.
c) Too much pressure applied
to the presser foot.
a) Loosen the tension.
b) Loosen both tensions.
c) Release the pressure of presser
foot and adjust.
IF THE MACHINE JAMS OR CLOGS
a) The machine is not
properly threaded.
b) Running the machine
without fabric.
c) Sewing with the stitch
regulator lever at ‘O’.
a) Correct the threading.
b) Do not operate the machine
without fabric. Clean the
shuttle race.
See “When the shuttle hook
becomes jammed” under
“Helpful Hints”.
c) Increase stitch length