Shark 412N Instruction Manual
Instruction Manual
Please read the instructions carefully before operating
the machine.
Model
EURO-PRO Operating LLC, 94 Main Mill Street, Door 16, Plattsburgh, NY 12901 Tel.: 1 (800) 361-4639
5 YEAR LIMITED WARRANTY
EURO-PRO Operating LLC warrants this sewing machine for a period of 5 years from date of the
original purchase, to be free of defective parts due to imperfections in the workmanship and materials,
subject to the following conditions, exclusions and exceptions.
EURO-PRO Operating LLC will, at its option, repair or replace this sewing machine free of charge if it
fails to operate according to specifications due to factory defects in materials or workmanship within one
year of purchase date. For 5 years from date of purchase, EURO-PRO Operating LLC will repair or
replace defective sewing machine head parts; owner pays for labor charges. The sewing machine must
be shipped freight and insurance prepaid to:
US: EURO-PRO Operating LLC, 94 Main Mill Street, Door 16, Plattsburgh, NY 12901
Canada: EURO-PRO Operating LLC, 4400 Bois Franc, St. Laurent, Qc, H4S 1A7
A copy of your sales receipt and $15.95 for handling and return packaging/shipping charges must be
included.*
The electrical equipment (motor, rheostat, control, light, electronic parts, etc.) are warranted from defects
in material and workmanship for a period of two years from the date of original purchase. Non-durable
parts including, without limitation, needles, belts, bobbins, bulbs, bobbin cases, shuttles, springs and
parts which normally require replacement are specifically excluded from this warranty.
This warranty is in effect provided the sewing machine is used only for normal household use by the
original purchaser when new, and is given reasonable good care and proper maintenance in accordance
with the accompanying instruction manual. The manufacturer is not held responsible for damage,
normal wear, accident, abuse, neglect, negligence or if the machine has been repaired by unqualified
personnel.
This warranty is extended to the original purchaser of the unit and excludes all other legal and/or
conventional warranties. The responsibility of EURO-PRO Operating LLC if any, is limited to the specific
obligations expressly assumed by it under the terms of the limited warranty. In no event is EURO-PRO
Operating LLC liable for any indirect, incidental or consequential damages of any nature whatsoever.
Some states do not permit the exclusion or limitation of incidental or consequential damages, so the
above may not apply to you.
This warranty gives you specific legal rights, and you may also have other rights which vary from state to
state or province to province.
*Important: Carefully pack the item to avoid damage during shipping. We recommend you insure the
package (as damage in shipping is not covered by your warranty). Be sure to include a copy of your
sales receipt and attach a tag to the machine with your name, address and telephone number. Please
include $15.95 to cover return shipping and handling.
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OWNERSHIP REGISTRATION CARD
Please fill out and mail the product registration card within ten (10) days of purchase. The registration will
enable us to contact you in the unlikely event of a product safety notification. By returning this card, you
acknowledge to have read and understood the instructions for use, and warnings set forth in the
accompanying instructions.
Return to:
US: EURO-PRO Operating LLC, 94 Main Mill Street, Door 16, Plattsburgh, NY, 12901
Canada: EURO-PRO Operating LLC, 4400 Bois Franc, St. Laurent, Qc, H4S 1A7
___________________________________________________________________________________
Appliance Model
___________________________________________________________________________________
Date Purchased Name of Store
___________________________________________________________________________________
Owner’s Name
___________________________________________________________________________________
Address City State/Prov. Zip/Postal Code
412N
Matching needle / fabric / thread
NEEDLE,FABRIC,THREAD SELECTION GUIDE
NEEDLE SIZE
FABRICS
THREAD
9-
11(65-75)
12(80)
14(90)
16(100)
18(
110)
Lightweight fabrics-thin cottons.voile,
serge,lilk,muslin,Qiana,interlocks,cotton
knits,tricots,jerseys,crepes,woven
polyeste
r,shirt& blouse fabrics.
Light-duty
thread in cotton,
nylon or polyeste
r.
Medium weight fabrics-cotton,satin,
kettlecloth,sailcloth,double knits,
lightweight woollens.
Most threads old are
medium size and
suitable
for these fabrics
and needle sizes.Use
pollyester threads on
synthetic materials and
cotton
on natural woven
fabrics for best results.
Always use the same
thread on top and
bottom.
Medium weight fabrics-cotton duck,
woolen,heavier knits,terrycloth,
denims.
Heavy duty thread,carpet
thread,(Use heavy foot
pressure-large numbers.)
Heavyweight
fabrics-canvas,woolens,
outdoor tent and quilted fabrics,
denims,upholstery material (light to
medium).
Heavy woollens,overcoat fabrics,
upholstery
fabrics,some leathers and
vinyls.
IMPROTANT: Match needle size to thread size and weight of fabric.
14
IMPORTANT SAFETY INSTRUCTIONS
When using an electrical appliance, basic safety instructions should always be
followed, including the following:
“Read all instructions before using this sewing machine.”
“DANGER - To prevent the risk of electric shock:” A sewing machine should
never be left unattended when plugged in. Always unplug this appliance from
the electric outlet immediately after using and before cleaning.
“WARNING - To reduce the risk of burns, fire, electric shock, or injury to
persons:”
1. Do not allow to be used as a toy. Close attention is necessary when this
sewing machine is used by or near children.
2. Use this appliance only for its intended use as described in this manual.
Use only attachments recommended by the manufacturer as contained in
this manual.
3. Never operate this appliance if it has a damaged cord or plug, if it is not
working properly, if it has been dropped or damaged or dropped into water.
Return the appliance to EURO-PRO Operating LLC for examination, repair,
electrical or mechanical adjustment.
4. Never operate this appliance with any air openings blocked. Keep
ventilation openings of the sewing machine and foot controller free from the
accumulation of lint, dust and loose cloth.
5. Never drop or insert any object into any opening.
6. Do not use outdoors.
7. Do not operate where aerosol (spray) products are being used or where
oxygen is being administered.
8. To disconnect, turn all controls to the “Off” position, then remove the plug
from the electrical outlet.
9. Do not unplug by pulling on the power cord. To unplug, grasp the plug not
the cord.
10. Keep fingers away from all moving parts. Special care is required around
the sewing machine needle.
11. Always use the proper needle plate. The wrong plate can cause the
needle to break.
12. Do not use bent needles.
13. Do not pull or push fabric while stitching. It may deflect the needle causing
it to break.
14. Switch the sewing machine “Off” when making any adjustment in the
needle area, such as threading the needle, changing the needle, threading
the bobbin or changing the presser foot., etc.
15. Always unplug the sewing machine from the electrical outlet when
removing the cover, lubricating or when making any other user servicing
adjustments mentioned in the instruction manual.
16. This appliance has a polarized plug (one blade wider than the other). To
reduce the risk of electric shock, this plug is intended to fit into a polarized
outlet only one way. If the plug does not fit fully in the outlet, reverse the
plug. If it still does not fit, contact a qualified electrician to install the porper
outlet. Do not modify the plug in any way.
SAVE THESE INSTRUCTIONS
1
Trouble shooting guide
Problem Cause
Correction
Upper thread
breaks
1.The machine is not threaded correctly
2.The thread tension is too tight
3.The thread is too thick for the needle
4.The needle is not inserted correctly
5.The
thread is round wo und the spool
pin
6.The needle is damaged.
1.Rethread the machine
2.R educe
the threa d tens ion (low er
number)
3.Select a larger needle
4.Remove and reinsert the needle (flat
side towards the back)
5.Remove the reel and wind thread onto
reel
6.Replace the needle
Lower thread
breaks
Skippe
d
stitches
Needle
breaks
Loose
stitches
Seams
pucking
The machine
is noisy
The machine
jams
1.The
lower thread is not threaded correctly
2.The upper thread tension is too loose
1.Check the threading carefully
2.Adjust the upper thread tension
1.The needle is not inserted correctly
2.The needle is damaged
3.The wrong size needle has been used.
4.The foot is not attached correctly
1.
Remove a nd reinsert needle (flat si de
towards the back)
2.Insert a new needle
3.Choose a needle to suit the thread and
fabric
4.Check and attach correctly
1.The needle is damaged
2.The needle is not correctly inserted
3.
Wrong needle size for the fabric
4.The wrong foot is attached.
1.Insert a new needle
2.Insert
the needle correc tly (fl at side
towards the back)
3.Choose a needle to suit the thread and
fabric
4.Correct the thread tension
1.The machine is not correctly threaded
2.The bobbin case is not correctly threaded
3.Needle/fabric/thread combination is wrong
4.Thread tension wrong
1.Check the threading
2.Thread the bobbin case as illustrated
3.The
needle size must suit the fabric and
thread
4.Correct the thread tension
1.The needle size is too large for fabric
2.The stitch length is wrong
ly adjusted
3.The thread tension is too tight
1.Select a finer needle
2.Readjust the stitch length
3.Loosen the thread tension
1.Poor quality thread
2.The bobbin is wrongly threaded
3.Fabric has been pulled
Uneven stitches,
uneven feed
1.The machine must be lubricated
2.Flu
ff or iil have collected on the hook or
needle bar
3.Poor quality oil has been used
4.Fabric has been pulled
1.Thread is caught in the bobbin case
1.Select a finer needle
2.Remove
bobbin case and rethread and
insert correctly
3.Do not pull on the fabric while sewing,
let it be taken up by the machine.
1.Lubricate as described
2.C lean
the hook a nd fee d dog as
described
3.Only use good quality sewing machine
oil
4.Replace the needle
1.Cut the tip of the thread, remove the
bobbin, tidy up the caught thread
13
Details of the machine
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
17
19
20
21
23
22
1.Reverse sewing lever
2.Pattern selector dial
3.Hand wheel
4.Bobbin stopper
5.Bobbin winder
6.Spool pin
7.Handle
8.Winding thread guide
9.Upper thread guide
10.Thread take-up lever
11.Thread tension
release bar
12.Thread tension dial
13.Thread cutter
14.Needle clamp screw
15.Presser foot
16.Needle plate
17.Sewing table
18.Feed dogs
19.Presser foot lever
20.Presser foot holder
21.ON/OFF Switch
22.Foot control receptacle
23.AC/DC adaptor
2
16
18
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