Shark 412N Craft Sewing Machines Instruction Manual

June 17, 2024
Shark

Shark logo Instruction ManualShark 412N Craft Sewing Machines Model
412N

Please read the instructions carefully before operating the machine.
EURO-PRO Operating LLC, 94 Main Mill Street, Door 16, Plattsburgh, NY 12901 Tel.: 1 800-361-4639

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

Details of the machine

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
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Shark 412N Craft Sewing Machines - Details of the
machine

Accessories

Shark 412N Craft Sewing Machines - Accessories

Fitting the snap-in sewing table

  1. Keep the snap-in sewing table horizontal, and pull it out from the machine as photo(1)
  2. The bobbin holder and accessory bag are put into the inside of the sewing table.
  3. Pull the side cover to open it as photo (2)

Shark 412N Craft Sewing Machines - Fitting the snap-in sewing
table

Connecting the machine to the power source

  1. Connect plug “A” to the machine and plug “B” into the mains socket.
  2. Turn on power switch “ON”
  3. Connect the foot control ‘C’ to the machine.
  4. The speed of the machine can be regulated by applying pressure to the foot controller.

Sewing light
Press main switch “ON” for power and light on.

Shark 412N Craft Sewing Machines - power source

Attaching the presser foot holder

  1. Raise the presser foot clamp “a” (1) Attach the presser foot holder “b” as illustrated.

Attaching the presser foot
Lower the presser foot holder “a” until the cut-out “c” is directly above the pin “d” (2)
Raise the lever, the presser foot ‘d’ insert into the floor ‘c’. Lower the lever ‘e’ ,the presser foot is fixed on the presser foot floor, and the presser foot “f” will engage automatically.
Removing the presser foot
Raise the presser foot. (3)
Raise the lever “e” and the foot disengages.

Shark 412N Craft Sewing Machines - Attaching the presser foot
holder

Winding the bobbin

Place empty bobbin on winding s pindle ,and place spool on the spool pin.
Wind thread a few times by hand round the empty bobbin in a clockwise direction . press the foot control till the bobbin full. Remove the bobbin by cutting the thread with cutter.

Shark 412N Craft Sewing Machines - Winding the bobbin

Inserting the bobbin

When inserting or removing bobbin, the needle must be fully raised.
Open the hook cover: insert the bobbin in the bobbin case, so that the thread runs in a clockwise direction.
Attention: Turn power switch to “off” position!

Shark 412N Craft Sewing Machines - Inserting the
bobbin

Inserting the needle

Change the needle r egularly,especially if it is showing signs of wear and causing problems.
Insert the needle as illustrated as follows:
A. Loose the needle clamp screw and tighten again after inserting the new needle.(1)
B. The flat side of the needle should be towards the back. I nsert the needle as far up as it will go.

Attention:
Turn power switch to “off” position!
Needles must be in perfect condition.
Needles with photo(2) can cause problems:
A. bent needles
B. blunt needles
C. damaged points

Shark 412N Craft Sewing Machines - Inserting the
needle

Thread tension

The lower thread tension is fixed ,it needn’t adjust in generally. For the upper thread ,turn the dial to the next number up, it will i ncrease the tension.
If turn the dial to the next number down, it is reduced.
A. normal thread tension
B. thread tension too loose
C. thread tension too tight

Shark 412N Craft Sewing Machines - Thread tension

Threading the upper thread

  1. Take the thread through the guide from right to left.
  2. Push thread tension release bar to left, then guide the thread down between the tension disc making sure that the thread has been inserted into the tension disc.
  3. Continue to draw the thread down ,and around the thread pulling bar fixed holder spring from left to right.
  4. Draw the thread up, around the take-up lever draw from left to right.
  5. Continue to draw the thread down through the upper guide from front to back.
  6. Drawing down the thread and through the lower guide from back to front.
  7. Finally thread the needle from front to back.

Shark 412N Craft Sewing Machines - Threading the upper
thread

Bring up the lower thread

  1. Raise the presser foot , hold the upper thread with the left hand, turn the handwheel anticlockwise until the needle is raised.
  2. Pull on the upper thread to bring the lower thread up, pull both thread to the back under the presser foot, pull out 10cm.

Shark 412N Craft Sewing Machines - lower thread

Reverse sewing
At the end of seam, press down reverse sewing lever, sew a few reverse stitches, fix the trace to avoid loosing. The reverse trace shouldn’t beyond 5cm. Release the lever and the machine will sew forward again.

Removing the fabric

  1. Turn the handwheel towards to bring the thread take up lever to its highest position, raise the presser foot.
  2. Push thread tension release bar to left and remove fabric toward back.

Straight stitching

  1. There are three kinds of straight stitch for your choice. Turn th e pattern selector dial to the one you need.
  2. Set the needle at the highest position by turning hand wheel anticlockwise. Gently pull both threads (about 10cm) towards rear, raise the presser foot, place the fabric under the presser foot
  3. Gently press down the foot control to start sewing. Guide fabric gently by hand.
  4. Stop the needle in its top position, and thread can be pulled out easily.
  5. Raise the presser foot, and remove the fabric. Use thread cutter to cut down the thread.

Shark 412N Craft Sewing Machines - Straight stitching

Notice:

  1. When turning the pattern selector dial, assure the needle tip is at the upper position, otherwise, it will be bent or damaged, or fail to sewing.
  2. When selecting the pattern dial, set the position corectly, otherwise, it will hurt the needle, or sew over the selected stitch trace. It will be different from the selected pattern.

Thread cutter

Cutting the thread:
Hold the threads behind the presser fo ot with both hands, guide them to the lsit “A” and press down.

Zigzag/Overlock stitching

  1. There are 4 patterns of zigzag for selecting. Turn the pattern selector dial to the stitch trace you need(4 – 7).

Shark 412N Craft Sewing Machines - Overlock stitching

Notice:

  1. When turning the pattern selector dial, assure t he needle tipis at the upper position, otherwise, it will be bent or damaged ,or fail to sewing.
  2. When selecting the pattern dial, set the position corectly, otherwise, it will hurt the needle, or sew over the selected stit chtrace. It will be different from the selected pattern.

Buttonholes

Preparation

  1. Raise the presser foot lever, remove the metallic presser foot, and replace on a buttonhole foot. ( note: Before s etting buttonhole foot, turn the handwheel and make sure that the feed dogs is below the needle plate and the needle have to be about 5MM above the needle plate.)
  2. Make sure the diameter of the button and add 3mm (1/8″) for the bartacks.
  3. If you have a very thick button, add more to the diameter measurement.
  4. Mark the position and length of the buttonhole on the fabric.
  5. Position the fabric so that the needle is on the mark that is the furthest from you.
  6. Pull the buttonhole foot towards you as far as it will go.
  7. Lower the foot.
    a) Turn t he pattern selector dial to . Sew at moderate s peed until you reach the end mark.
    b) Turn the pattern selector dial to and sew 5-6 bartacks stitches.
    c) Turn the pattern selector dial to and sew the left side of the buttonhole to the mark that is further from you (beginning of buttonhole).
    d) Turn the pattern selector dial to and sew bartacks stitches.
    Remove the fabric from under the foot. Draw the upper thread through the backside of the fabric and knot upper and lower threads. Cut the center of the buttonhole with the seam ripper, being careful not to cut the stitches on either side.

Tips:

  1. Slightly reduce the upper thread tension to produce better results.
  2. Use backing material for fine and stretchy fabrics.
  3. It is advisable to use a gimp cord for stretch or knit fabrics. The zigzag should sew over the gimp.
  4. Install buttonhole foot from back to front.

Shark 412N Craft Sewing Machines - Tips

Blind hem

  1. Fold the fabric as illustrated in figure (1)
  2. Place the fabric under the foot. Turn the handwheel forwards until the needle sewings to the left. It should just picrce the fold of the fabric. If it doesn’t, reposition the fabric under the foot. (2)
  3. Sew slowly, guiding the fabric carefully
  4. After sewing, open the fold and press with an iron.

Shark 412N Craft Sewing Machines - Blind hem

3-step zig-zag

  1. Sewing on lace and elastic,patching,mending, reinforcing edges.
  2. Set machine as illustrated.
  3. Place patch in position and sew around the edges.
  4. When mending tears,it is advisable to use a piece of backing fabric to reinforce.
  5. Fisrst sew over the center and then overlap on both sides. Depending on the type of fabric and damage, sew between 3 and 5 rows.

Shark 412N Craft Sewing Machines - 3-step zig-zag

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 wound the spool pin
6. The needle is damaged.| 1. Rethread the machine
2. Reduce the thread tension(lower 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| 1. The lower thread is not threaded correctly
2. The upper thread tension is too loose| 1. Check the threading carefully the upper thread tension
Skipped stitches| 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 and reinsert needle (flat side towards the back)
2. Inse a new needle
3. Choose a needle to suit the thread and fabric
4. Check and attach correctly
Needle breaks| 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 correctly (flat side towards the back)
3. Choose a needle to suit the thread and fabric
4. Correct the thread tension
Loose stitches| 1. The machine is not correctly threaded
2. The bobbin case is not correctly threaded
3. Needleffabridthread combination is wrong
4. Thread tension wrong| 1. Check the threading
2. Thread the bobbin case as illustrated
3. The needle size must s uit t he fabric and thread
4. Correct the thread tension
Seams pucking| 1. The needle size is too large for fabric
2. The stitch length is wrongly adjusted
3. The thread tension is too tight| 1. Select a finer needle
2. Readjust the stitch length
3. Loosen the thread tension
Uneven stitches, uneven feed| 1. Poor qualffy.thread
2. The bobbin is wrongly threaded 3.Fabric has been pulled| 1. Select a finer needle
2. Remove bobbin case and rethread and insert insert correctly not pull on the fabric while sewing, let it be taken up by the machine.
The machine is noisy| 1 .The machine must be lubricated
2.Fluff or ill have collected on the hook or needle bar
3.Poor quality oil has been used
4.Fabric has been pulled| 1. Lubricate as described
2. Clean the hook and feed dog as described
3. Only use good quality sewing machine oil
4. Replace the needle
The machine jams| 1. Thread is caught in the bobbin case| 1. Cut the tip of the thread, remove the bobbin, tidy up the caught thread

Matching needle / fabric / thread

NEEDLE, FABRIC, THREAD SELECTION GUIDE

NEEDLE SIZE FABRICS THREAD
9-11 (65-75) Lightweight fabrics-thin cottons voile, serge, lilk, muslin,

Qiana, interlocks, cotton knits, tricots, jerseys, crepes, woven polyester, shirt & blouse fabrics.| Light-duty thread in cotton, nylon or polyester.
12 (80)| 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.
14 (90)| Medium weight fabrics-cotton duck, woolen,heavier knits, terrycloth, denims.
16 (100)| Heavyweight fabrics-canvas, woolens, outdoor tent and quilted fabrics, denims, upholstery material (light to medium).
18 (110)| Heavy woollens, overcoat fabrics, upholstery fabrics, some leathers and vinyls.| Heavy duty thread,carpet thread,
(Use heavy foot pressure-large numbers.)

IMPROTANT: Mat chneedle size to thread size and weight of fabric.


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.


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 ———

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References

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