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Question posted by jillivey80 on August 1st, 2014

How To Fix Tension Problem?

Suddenly the automatic tension isn't working. when threading through the tension disks it is either too loose or so tight the tread breaks. put tension on zero, cleaned disks, re threaded, new needle, new thread but still looping.

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Answer #1: Posted by waelsaidani1 on August 1st, 2014 9:46 PM

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waelsaidani1

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Here are the most common tips to resolve this problem
- Rethread and check that you are threading as the Instruction Book for your machine shows
- Check there is no lint or dirt in or around your tension unit (discs especially) if you find any then clean it out
- Check you are using the correct needle and change for a fresh needle (may be bent)

If looping occurs on the top of your fabric
- lower the top thread tension
- If you have this feature on your machine you may want to try and increase your bobbin tension please consult your manual to see how to do this correctly (some are painted shut and not adjustable)
- Make sure your bobbin is threaded correctly, rethreading this only takes seconds
- Make sure your bobbin is housed correctly

If looping occurs on either sides of your fabric
- Try using the same thread on the top and the bobbin if you are having problems where these are different
- Adjust the length of your stitch as depending on which kind of fabric you are stitching it could be too short or too long
- Check that you are using the correct presser foot for the kind of sewing you are doing (check your manual if you are unsure
- Make sure that you are letting the machine feed the fabric itself and do not stretch the material while you are sewing, guide it only with your hand
- Presser foot pressure can be a problem, if you are still having this problem you may need to adjust the pressure (see manual for help)
- Check you are using the correct needle plate for your project, if you are sewing light fabrics then you may need a straight stitch needle plate to stop the fabric from being pushed through the zig zag hole while sewing (be careful when changing needle plates over to make sure you check the needle position is correct to drop down through the needle plate, if you do not check this you could damage your machine. Remember if you change to a straight stitch needle plate you will have to change back before doing any zig-zag or wide stitches
- Also if you are sewing thin fabric you must consider using a backing (e.g. stabilizer) this will help to avoid puckering

If these tips don’t resolve your issues then it may be more serious, you might need a new tension unit

Related Pfaff quilt expression 4.0 Manual Pages

Owner's Manual - Page 2

... to break. • Wear safety glasses. • Switch the sewing machine off ("0") position, then remove plug from the electrical outlet when removing covers, lubricating, or when making any adjustment in the needle area, such as described in the instruction manual. • Never drop or insert any opening. • Do not use as threading needle...

Owner's Manual - Page 3

... transform all your creative ideas into reality. As a sewing enthusiast, you have acquired a machine that features the very latest in both design and technology, enabling you at any time. Your PFAFF® expression™ machine will soon discover how to experience a totally new dimension of your new PFAFF® sewing machine. Before you to maximize the use of...

Owner's Manual - Page 4

... the power supply 2:1 Pack away after sewing 2.2 Free arm 2:2 Thread cutter 2:2 Spool pins 2:2 Threading the machine 2:3 Bobbin winding 2:5 Inserting the bobbin 2:6 IDT (Integrated dual feed 2:6 Electronic knee-lift (4.0 2:7 Needles 2:7 Changing the needle 2:8 Lowering feed dogs 2:8 Changing the presser foot 2.8 Buttons for quilt expression™ 4.0 2:10 Buttons for...

Owner's Manual - Page 13

... all outer packing material and the plastic bag. 3. Slide off the machine carrying case. 2. Lay the cord in the foot control, check to Àt in the accessory tray while sewing may affect stitch quality. Plug the cord into the wall socket. ... packing purposes only and should be removed. For the USA and Canada This sewing machine has a polarized plug (one way. C A B 2:1 Preparations

Owner's Manual - Page 18

...work with the IDT, use presser feet with two Àngers at the same time. Replace the cover. Pull the thread to the left into place. 4. A C Preparations IDT (integrated dual feed) D For sewing any fabric precisely PFAFF® expression™ sewing machine...the thread cutter (C). Disengaging the IDT Raise the presser foot. Engaging the IDT Important: For all layers of quilt ...

Owner's Manual - Page 19

...a slightly rounded point and come in the fabric when sewing entredeux and other specialty threads for you press the knee-lift to penetrate tightly woven fabrics without deÁecting the needle. A damaged... not use a straight needle with a blue band. If you . Preparations Needles The sewing machine needle plays an important role in a variety of fabric types and weights. Marked with ...

Owner's Manual - Page 20

... feed dogs You can lower the feed dogs by raising the presser foot. 2:8 Push the new needle upwards with the Áat side away from you wish to the right if you ...screw as tight as it will go no further. 5. Loosen the needle screw. Attach presser foot Place the presser foot under the presser foot holder, so that the presser foot is lowered, the pins of the sewing machine to hold...

Owner's Manual - Page 22

...sewing buttonholes, programmed tie-off stitches and stops automatically. Thread snips with indicator (5) For permanent reverse, press the button before the needle moves to change the sewing speed. If you press the reverse button while sewing, the machine sews... and the presser foot will be lit and the machine sews in reverse for quilt expression™ 4.0 8 9 10 11 13 12 14...

Owner's Manual - Page 28

... on the wheel to default when you deselect the twin needle setting. Preparations Thread tension (4.0) Your sewing machine will inform you that this setting is activated, since the needle might damage the presser foot. In sewing mode, press the info button. In sewing mode, press the info button. Spring foot free-motion (4.0) Activate to lock the...

Owner's Manual - Page 29

... lowered even if the machine stops with the needle in steps of the presser foot recommendation. Automatic presser foot lift (4.0) When selected, the automatic presser foot lift is on a piece of the machine on the wheel to ... left and right arrow buttons on or off . When sewing in your sewing machine. Preparations Sensormatic free-motion (4.0) Activate to set for free-motion.

Owner's Manual - Page 32

...tension. Note: This is only possible when using a stitch that is too tight. buttons adjust the density. You can decrease the stitch width to the icons for satin stitches. The set stitch width and the stitch length are not automatically...thread tension. If top thread is visible on the underside of the entire stitch. For 4.0: Your sewing machine electronically sets the best thread tension ...

Owner's Manual - Page 33

... (B) of the machine. Press the F2 button (F1 for 2.0) again. The needle and presser foot will be performed. 3. The reverse indicator will automatically cut the threads after performing the ...For 4.0: When a thread snip (C) is programmed, the machine will be lit. The programmed tie-off indicator will be lit. To go back to sewing forward, stop sewing in reverse to sew. 2. Both the ...

Owner's Manual - Page 36

... to repeat the same size darning square, just continue sewing. Choose a lightweight thread in the bobbin. 3. Once you should only see your bobbin thread. By default, the machine will be highlighted, indicating that repeat is selected. 3:6 Baste the completed quilt top to produce the desired effect. Thread the needle with a layer of batting sandwiched between. 1. Use...

Owner's Manual - Page 39

... press OK on the wheel to close when the mainmotor and power supply are sewing on the screen. The pop-up appears on very heavy fabric or if the machine is almost empty, the machine stops automatically and a pop-up message will stop sewing. Sewing Common sewing pop-ups Bobbin empty (4.0) When the bobbin is blocked when...

Owner's Manual - Page 41

...cursor. Sequencing (4.0 and 3.0) The sequencing function on your machine makes it possible to create stitches and sequences with your sewing machine can be used for sequencing except for 4.0) and stop commands.... Stitch Àeld 3. You can insert tie-offs, thread snips (for buttonholes, darning, tapering stitches, button sewing and bartacks. Stitch length/density 8 7. Press the number ...

Owner's Manual - Page 45

... the main switch. 1 Place the light bulb remover with the deep hole, marked OUT, around the new bulb. Remove the presser foot and slide off the machine. Light bulbs are available at your sewing machine operating well, clean it up . Change the light bulbs as shown on the picture, and gently turn the bulb, just...

Owner's Manual - Page 47

... be happy to touch? Insert a new needle. Are you . Use needle system 130/750 H. If the buttons do not respond to sewing position. Is the needle too small for the fabric. Wrong stitch , irregular or narrow stitch? (4.0 and 3.0) The needle breaks? The sewing machine function buttons do not cut the thread? (4.0) Fabric does not move? Make...

Owner's Manual - Page 48

... PFAFF® dealer! Bobbin thread breaks Did you thread the machine properly? Is the bobbin wound correctly? Check the bobbin thread. Wind a new bobbin. Is a correct needle used? Check needle thread tension and the threading. Change the thread. Check how the machine is a great help to test sew with a brush. Remove the stitch plate and clean the feed dogs with...

Owner's Manual - Page 49

... Automatic presser foot lift 2:17 Automatic thread tension 2:16, 3:2 Auxiliary spool pin 2:3 B Balance 2:17 Bobbin, insert 2:6 Bobbin winding 2:5 Winding from horizontal position 2:5 Winding through the needle 2:5 Button, sew on 3:9 Buttonholes 3:7 Manual buttonhole 3:8 Sensormatic buttonhole 3:8 Buttons expression™ 2.0 2:14-2:15 expression™ 3.0 2:12-2:13 quilt expression...

Owner's Manual - Page 51

PFAFF, EXPRESSION, QUILT EXPRESSION and IDT (image) are trademarks of accessories without prior notice, or make modiÀcations to the performance or design. Please note that on a label positioned underneath the Sewing Machine. If in accordance with relevant National legislation relating to the beneÀt of the user and the product. All trademarks are listed...