Kenmore 15813470 Owner’s Manual
INSTRUCTIONS
MODEL[
3470
ZIG o ZAG
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Sears, Roebuck and Co.
Dear Homem_i_er :
You have just invested in a very fine zigzag sewing machine,.
Before using your new Kenmore machine, please pause for a
moment and carefully read this booklet which contains
instructions on how to operate and care for your machine.
specific instructions are given on threading, tension
a_justments, cleaning, oiling, etco This Will help you
obtain the best sewing results and avoid unnecessa_/
service expense for conditions beyond our control°
AOvice on the operation and care of your machine is always
available at your nearest Sears Retail Store.. Should you
have any further questions on your sewing machine, please
write to me at the address given below._
Please remember, an}' correspondence or reference to your
machine must mention the mode! number and serials,number
of your machine,.
Kenmore Sewin_ Machine
Record in space provided below the model
number and serial number of this appliance°
The model number and serial number are
located on _e nomenclature plate, as
identified on Page 2 of _is booklet°
Mode! No_ Serial NO_
Retain these nun_ers for future reference.
_,,::::i:,__/_i_
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] .
Consumer Services Manager
Department 620
Simpsons-Sears Limited
Yoronto, Ontario, Canada
Consumer Services Manager
Department 620
Sears, Roebuck and Co.
Sears Tower
Chicago, Illinois 60684
TABLE OF
CONTENTS
Section
_[ Knowing Your Sewing Machine
identifying Parts ..................... 2, 3
Installing Machine ................... 4
Winding the Bobbin .......................... 5
Threading the Bobbin Case ................... 6
Threading of Top Thread .... 7
Using the Controls
Top Tension Control .................... 8, 9
Bobbin Tension Adjusting ................. 10
Checking Tensions ........................ 11
Stitch Width Control .................. 12, 13
Stitch Length Control ................... 12, 13
Reverse Stitch Control ................. 14
Special Stitch Dial .......................... 15
Pressure Regulator ..................... 16
Feed Dog Control ...................... 17
Sewing Light ................................. 17
Seam Guides .......................... t8
Presser Foot Lever ..................... 18
Accessories
Needles ........................................ 19
Needle, Thread, Fabric Chart ............ 20
Presser Feet .................................. 21
Buttonhole Attachment .................. 22
Section ]_ Starting to Sew ............... 1
Garment Construction Stitches
Straight Stitching ....................... 2
Zigzag Stitching ..................... 3
Stretch Stitching ......................... 4
Special Finishing Stitches
Satin Stitching ..................... 5
Zipper Application .................... 6
Buttonhole Making ........................ 7
Appliqueing ................................. 8
Blind Hemming .................................. 8,9
Mending, Darning .............................. 10
Button Sewing, Bar Tacking ................ 11
Section ]]_ Checking Performance Problems
Section IV" Caring for the Machine
Cleaning Feed Dogs and Shuttle ............. i
Oiling Under Arm Cover Plate ............. 2
Oiling Underside .............................. 3
Oiling in Face Cover Plate ................... 3
Parts List ..................................... 5, 6
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1, Hand Hole Cover Plate
2 Seam Guide Lines
3, Presser Foot
4 Guide Pin Ho_e
5 Thread Guide
6, Needle Clamp Screw
7 Face Cover Thread Guide
8 Top Thread Tension Control
9 Thread Guide
10 Face Cover Plate
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11 Take- up Lever
12 Upper Thread Guide
13 Special Stitch Dial
14 Stitch Width Control
15,, Reverse Stitch Control
16, Stitch Length Control
17 Light and Power Switch
18 Feed Dog Control
19 Nomenclature Plate
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20' Clutch Knob
21 Hand Wheel
22 Bobbin Winder
23 Thread Spool Pins
24. Bobbin Winder Tension Disc
25. Pressure Regulator
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26 Presser Foot Lever
27 Thread Cutter
28 Presser Foot Thumb Screw
29 Needle Plate
30 Feed Dogs
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1o Loosen the two hinge screws
under holes in the rear edge of the
machine bed,
2, Raise hinge pins in the cabinet
or case. Sfip machine head onto
pins,
3 Tighten hinge screws securely,
4o Push the speed control plug onto
three-prong connector under the
bed plate_ Lower machine head to
front cabinet flap.
54
Plug machine cord into any 110-
120 volt walt outlet° Turn on power
by pushing light and power switch.
r
Spool pins are packed in accessory
box. Screw thread spool pins in
place securely with a screw driver.
Position nylon discs as shown in
illustration,
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1. Release clutch by turning clutch
knob toward you,
2, Draw thread from spool through
bobbin winder tension disc as
shown,,
3, Pull end of thread through hole in
bobbin as shown.
4, Place bobbin onto bobbin winder
shaft with end of thread coming
from the top of the bobbin_ Push
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bobbin winder latch against bob-
bin until it clicks. Holding onto
end of thread, start machine, When
bobbin is slightly filled, snip off
end of thread,
5,, Start machine, Wind thread until
bobbin winder latch releases
6. Tighten clutch knob and remove
bobbin,
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1, To remove bobbin from the shuttle,
raise needle to its highest position.
Remove hand hole cover plate,,
2, Pull open latch of bobbin case.
3 Pull bobbin case straight out of
shuttle.
,
Insert bobbin into bobbin case
making sure thread is coming
from bobbin as shown.
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Pull thread through slot of case
as shown r
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Pull thread under tension spring.
7
Holding latch open, positionocase
into shuttle, and release latch, Case
should lock into place when latch
is released,
8, Hold needle thread loosely in left
hand and rotate hand wheel toward
you one complete turn Bring bob-
bin thread up by pulling upper
thread
Fig 1
Fig 2
Place thread on spool pin as shown
with thread coming from the back of
the spool_ Draw thread through the
top thread guide.. Holding the spool
stationary with right hand, pull the end
of the thread between the tension discs
as shown.. Pull the spring wire loop up
and past the top hook until the thread
Fig 3
can be slipped into the hook (See Fig,
1)_ When the thread is rejeased, the
spring wire loop will return to position
(See Fig, 2) with thread in proper
place. Release spool of thread and
continue to thread machine exactly as
shown Needle must always be thread-
ed in direction as shown in Fig, 3,
Probablythe mostimportantcontrolonyourmachineisthisonethat regulates
yourtop threadtension,tt consistsof discs between which the thread passes,
The pressure on these discs is regulated by turning the dial on the front of
the control.. The higher the number, the tighter the tension,
There are many reasons for having to reset your tension.. The best tension
for one fabric may not be correct for another. The required tension depends
upon the stiffness of the fabric, thickness of the fabric, numbers of layers of
fabric being sewn, as well as the type of stitch you are making.
it is best to test the stitching on a scrap of the fabric you are using before
starting to make a garment._ To adjust for the correct stitch, see next pager
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(_ Upper thread too tight
A perfect straight stitch wil! have
threads locked between the two
layers of fabric with no loops on
top or bottom.
Decrease Tension
(_ Upper thread too loose
Increase Tension
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Bobbin tension requires adjusting tess frequently than the upper thread
tension
If the stitch is satisfactory but the seam is puckered, it may be necessary to
loosen the tension on both the top and bottom threads Be sure to balance
them as indicated on Page 9
When adjusting the tension on the bobbin case, make slight adjustments with
a screwdriver
Turn Counter Clockwise,
Turn Clockwise,
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The easiest way to check tensions is to sew a medium zig zag stitch on the
fabric you will be using, Use the appropriate type of thread and needle
Use different colors of thread on the bobbin and upper spool
Sew a line of zig zag stitches The bobbin thread should not show on the
top of the fabric
Adjust the top tension if necessary to achieve the stitch balance mentioned
above
UNBALANCED BALANCED
Thiscontrolregulatesthe width of the stitchyouselect THEHIGHERTHE
NUMBER- THEWIDERTHESTITCH,Youmayvaryyourzigzagstitchwidth
by adjustingthis control to tile settingyou desire,
This control must beon RedDot in orderto do straight stitching
Thestitch length controlregulatesthe length of the stitchyou select THE
HIGHERTHENUMBER- THESHORTERTHESTITCH,
The numberon stitch length control indicatesthe approximatenumberof
stitches per inch The stitch setting you use wilt be determinedby the
thicknessof thefabric you aresewing
A longer stitch setting should be usedfor thicker fabric or morelayersof
fabric.
Themiddlerangeof the controlis the 10-12 stitch per inch rangewhich is
the mostcommonlyused.
A basting stitch is made by using the longest possible stitch setting - 6 stitches
per inch°
The red marking _, on the control is the setting used for the shortest
stitches such as in Satin Stitching.
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