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Singer 4423 Heavy Duty Support Question

Singer 4423 Heavy Duty Support Question

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Question posted by Lefulton1970 on February 17th, 2023

I've Cleaned The Bobbin Case Of Fluff And Broken Thread, Oiled, Timing Was Off

I've fixed timing. Changed needle changed bobbin and thread. It does not sew now.

Current Answers

Answer #1: Posted by VAAA on February 17th, 2023 8:16 PM
VAAA

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Answer #2: Posted by SonuKumar on February 17th, 2023 9:07 PM
SonuKumar

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Singer 4423 Heavy Duty Bobbin Case - (available at amazon buy and replace it )



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Related Singer 4423 Heavy Duty Manual Pages

Instruction Manual - Page 2

...needles. 8. To unplug, grasp the plug, not the cord. 16. Always unplug before cleaning. 3. To reduce the risk of lint, dust, and loose cloth. 5. Switch the sewing machine... sewing machine is being used by the manufacturer as threading needle, changing needle, threading bobbin, or changing presser foot, and the like. 10. Do not allow to break. 9. Always unplug sewing machine ...
Instruction Manual - Page 6

...Source...6 Two Step Presser Foot Lifter/ Adjusting Presser Foot Pressure...8 Accessories...10 Threading the Machine Winding the Bobbin...12 Inserting the Bobbin ...14 Threading the Upper Thread...16 Automatic Needle Threader ...18 Raising the Bobbin Thread ...20 Thread Tension ...22 Sewing How to Choose Your Pattern...24 Three Needle Position Dial ...26 Stitch Width Dial & Stitch Length Dial ...28...
Instruction Manual - Page 9

... extension table/ accessory storage 5 13 9. Stitch width dial 7 12. One step buttonhole lever 14 15 2 Thread tension dial 2. Reverse sewing lever 11 3 5. Thread take-up lever 2 10 4. Thread cutter 6. Presser foot 4 12 7. Stitch length dial 13. EN Principal Parts of the Machine 1. Bobbin stopper 11. Needle plate cover 8. Pattern selector dial 8 14.
Instruction Manual - Page 11

... 22 28. Buttonhole stitch balance adjustment slot 18 21. Power cord 4 23 24 25 26 27 29 30 28 Handwheel 20. Face plate 20 26. Bobbin thread guide 24. EN Principal Parts of the Machine 16. Foot speed control 30. Upper thread guide 25. Handle 21 27.
Instruction Manual - Page 13

... wider than the other). Do not modify the plug in use . Polarized attachment plug b. Unplug power cord when machine is intended to be grounded 2 6 A 3 Foot control The foot control pedal regulates the sewing speed. (3) Attention: Consult a qualified electrician if in doubt of electric shock, this plug is not in the outlet, reverse...
Instruction Manual - Page 15

... you need to the type of fabric (light-or-heavy weight). For sewing very thin fabric, loosen the pressure by turning the screw counter clockwise, and for easy positioning of the work. (A) A Adjusting Presser Foot Pressure The presser foot pressure of the machine has been pre-set and requires no particular readjustment according...
Instruction Manual - Page 17

Button sewing foot e. Seam ripper/ brush f. Hemmer foot q. Cording foot r. Twin needle 2 Optional accessories n o p q r 006172008 006907008 006900008 006813008 006904008 s t u v w 006916008 006917008 006016008 0061850081 10 EN Accessories Standard accessories (1) a. Spool pin felt m. Even Feed foot w. Edge/ quilting guide g. Bobbin (3x) j. Auxiliary ...
Instruction Manual - Page 19

... and corresponding spool holder on foot control pedal. (8) - Wind thread clockwise around bobbin winder tension discs. (4) - Thread bobbin as illustrated and place on spindle. (5) - Cut thread. (9) 2 - Please Note: When the bobbin winder spindle is in "bobbin winding" position, the machine will not sew and the handwheel turn. Push bobbin spindle to the left (10) and remove. Snap...
Instruction Manual - Page 21

... (A). 3. Pull out about 15 cm (6 inches) of thread and attach the bobbin cover plate. (C) Attention: 1 Turn power switch to off ("O") before inserting or removing the bobbin. EN Inserting the Bobbin When inserting or removing the bobbin, the needle must be fully raised. 1. Insert the bobbin in the bobbin case with the thread running counterclockwise direction (arrow). 2. Draw the...
Instruction Manual - Page 23

... leading thread down to the needle which should be threaded from front to back. - Draw thread from right to left channel. (5) During this movement pass thread from spool through the upper thread guide (3) and pulling thread through the slotted eye of thread to hold the thread between the spool and thread guide. - Thread tension module by not doing so several sewing problems...
Instruction Manual - Page 25

... lever (A) down as far as it will go. - A C B D A 2 18 Pass thread around the hook (D) from bottom to its highest position. - Pull the thread through the needle eye. 1 Attention: Turn power switch to the threading position (B). - EN Automatic Needle Threader - Release lever (A). - Pass the thread in front of the needle around thread guide (C). - Raise the needle to top. -
Instruction Manual - Page 27

Note: If it is difficult to raise the bobbin thread, check to make sure the thread is not trapped by the hinged cover or the Removable Extension Table. 1 Gently pull on the upper thread to bring the bobbin thread up through the needle plate hole. (2) Lay both threads to the back under the presser foot. (3) 2 3 20 Turn the handwheel...
Instruction Manual - Page 29

B. Turn dial to lower number. Lower thread tension The bobbin tension has been set correctly at the factory, so you will be less than for straight stitch construction sewing. - 90% of all sewing will always obtain a nicer stitch and less fabric puckering when the upper thread appears on the bottom side of your fabric. A balanced tension...
Instruction Manual - Page 35

... stitches are called satin stitches. (2) 1 Function of the individual stitches will decrease as the dial approaches "4". Use a shorter stitch length when sewing lighter weight fabrics or when using a thicker needle or thread. EN Stitch Width Dial & Stitch Length Dial Function of stitch length dial approaches "0". however, the width can be reduced on any...
Instruction Manual - Page 39

... stitches. Guide the threads to cut. (3) 32 B 3 Pull threads down the reverse sewing lever (A). A Release the lever and the machine will sew forward again. (1) Removing the Work Turn the handwheel toward you (counterclockwise) to bring the thread take up lever to its highest position, raise the presser foot and remove work behind the needle and presser 1 2 foot...
Instruction Manual - Page 43

... lighter weight fabrics, and a wider stitch is completed and press. 2 Note: To make sure the machine settings are normally sewn with the top edge of the hem extending about 7 mm (1/4") to the desired... of the folded fabric. 1 Start to sew slowly on the fold, making sure the needle touches slightly the folded top to catch one or two fabric threads. (2) Unfold the fabric when hemming is ...
Instruction Manual - Page 45

...thread. 4. Lower the buttonhole lever and gently push it is completed, gently pull the heavy thread to the front of your fabric and stabilizer. Lower the presser foot and start the machine... is a simple process that provides reliable results. Once sewing is strongly suggested to " ". While lightly holding the upper thread, start sewing. *Set the stitch width to be sewn first.) ...
Instruction Manual - Page 49

... width, as illustrated in (3). Set the machine for zig-zag stitch, then set the width to check that the needle goes cleanly into the left and right holes of the button. EN Sewing on Buttons Move the drop feed control to right side to lower the feed dogs. (1) Change the all purpose foot to the...
Instruction Manual - Page 55

...other garment ) and/ or at first thread breakage or skipped stitches. 48 Heavy woolen, overcoat fabrics, upholstery fabrics, some Heavy duty thread, carpet thread. results. Knits-polyesters, interlocks, tricot, single and double knits. Leather, vinyl, upholstery. (Leaves smaller hole than standard large needle.) Note : 1. THREAD Light-duty thread in cotton, nylon, polyester or cotton wrapped...
Instruction Manual - Page 64

... Clean the hook and feed dog as described. 2. Fabric has been pulled. Lint or oil have collected on the fabric while sewing, let the feed dogs pull the fabric under the foot. 1. Select a larger needle. 4. Replace the needle. 1. Remove and reinsert the bobbin case and pull on the thread. Insert a new needle. 2. Check the threading. 2. Select a finer needle. 2. The lower thread tension...

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