Pfaff Coverlock 3.0 Owner's Manual
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Pfaff Coverlock 3.0 Owner's Manual

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O w n e r ' s M a n u a l

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Summary of Contents for Pfaff Coverlock 3.0

  • Page 1 O w n e r ’ s M a n u a l...

  • Page 2: Important Safety Instructions

    This household sewing machine is designed to comply with IEC/EN 60335-2-28 and UL1594 IMPORTANT SAFETY INSTRUCTIONS When using an electrical appliance, basic safety precautions should always be followed, including the following: Read all instructions before using this household sewing machine. DANGER - To reduce the risk of electric shock: •...

  • Page 3: Table Of Contents

    Table of contents Introduction Stitches & Sewing techniques Parts of the machine ............4 Stitch overview ..............22 Accessories ................5 Start sewing ..............28 Pin placement ..................28 Optional accessories from INSPIRA™ ......6 Chain off .....................28 Preparations Rolled edge sewing ............29 Connecting the foot control Coverstitch sewing ............

  • Page 4: Introduction

    Parts of the machine 3 4 5 6 7 12 13 1. Telescopic thread stand 2. Handle 3. Left needle thread tension ne tuning lever (blue) 4. Right needle thread tension ne tuning lever (green) 5. Upper looper thread tension ne tuning lever (red) 6.

  • Page 5: Accessories

    28. Moveable upper cutter 29. Stitch nger lever 30. Stationary lower cutter 31. Chainstitch/Coverstitch looper 32. Lower looper 33. Upper looper 34. 2-thread converter 35. Upper looper clutch 36. Chain/coverstitch thread guide Accessories Accessories are contained in the accessory box. 1.

  • Page 6: Optional Accessories From Inspira

    Optional accessories from INSPIRA™ Optional presser feet specially prepared for this machine are available at your PFAFF® dealer. The snap-on type presser foot used on this machine allows easy removal and replacement. Some fabrics have a lot of excess dye which can cause discoloration on other fabric but also on your overlock machine.

  • Page 7: Preparations

    Connecting the foot control and the power supply Foot control to use with this machine: Type 4C-345B22 for USA/Canada Type 4C-345G22 for Europe Type 4C-345G25 for UK Type 4C-345G23 for Australia Before plugging your machine in, make sure the voltage is the same as indicated on the plate under the machine.

  • Page 8: Front Cover

    Front cover Open First push the cover to the right as far as it will go and then pull it downward toward you. Close First pull the cover upward and then slide it to the left until it locks. Note: The front cover has a safety switch and the machine will not sew if the front cover is open.

  • Page 9: Needle Information

    Needle information This overlock uses a at shank industrial needle that eliminates the possibility of inserting the needle backwards. Do not attempt to use a standard household sewing machine needle of any size or type in this overlock. Use INSPIRA™ needle EL x 705 sizes 14/90 and 12/80, supplied with this machine.

  • Page 10: 2-Thread Overlock Converter

    2-thread overlock converter Engaging Turn off the main power switch and unplug the machine. 2-thread overlock stitches are sewn using one needle thread and the lower looper thread. Before sewing, the 2-thread converter must be attached to the upper looper. •...

  • Page 11: Stitch Nger Lever Setting

    Stitch nger lever setting The stitch nger lever should be set to N for all standard overlock sewing. To sew rolled edge you need to retract the stitch nger by setting the stitch nger lever to R. When moving the stitch nger lever, be sure to push the lever as far as it will go in each direction.

  • Page 12: Threading The Upper Looper (Red)

    Threading the upper looper (red) • Raise the presser foot to release tension discs. • Pass the thread from back to front through the thread guide on the thread stand (1). • Thread the top cover thread guide by pulling the thread towards the left until it slips under the guide.

  • Page 13: Threading The Lower Looper (Yellow)

    Threading the lower looper (yellow) • Raise the presser foot to release tension discs. • Pass the thread from back to front through the thread guide on the thread stand (1). • Thread the top cover thread guide by pulling the thread towards the left until it slips under the guide.

  • Page 14: Threading Chainstitch Looper (Purple)

    Threading chainstitch looper (purple) • Raise the presser foot to release tension discs. • Pass the thread from back to front through the thread guide on the thread stand (1). • Thread the top cover thread guide by pulling the thread towards the left until it slips under the guide.

  • Page 15: Threading The Right Needle

    Threading the right needle (green, B on needle clamp) • Raise the presser foot to release tension discs. • Pass the thread from back to front through the thread guide on the thread stand (1). • Thread the top cover thread guide by pulling the thread towards the left until it slips under the guide.

  • Page 16: Threading The Left Needle

    Threading the left needle (blue, A on needle clamp) • Raise the presser foot to release tension discs. • Pass the thread from back to front through the thread guide on the thread stand (1). • Thread the top cover thread guide by pulling the thread towards the left until it slips under the guide.

  • Page 17: Threading The Chainstitch Needle

    Threading the chainstitch needle (blue, D on needle clamp) • Raise the presser foot to release tension discs. • Pass the thread from back to front through the thread guide on the thread stand (1). • Thread the top cover thread guide by pulling the thread towards the left until it slips under the guide.

  • Page 18: Threading The Coverstitch Needles

    Threading the coverstitch needles Note: Thread the needles in to following order: right (E), middle (D), left (C) Threading the right coverstitch needle (red, E on the needle clamp) • Raise the presser foot to release tension discs. • Pass the thread from back to front through the thread guide on the thread stand (1).
  • Page 19 Threading the middle coverstitch/chainstitch needle (green, D on the needle clamp) • Raise the presser foot to release tension discs. • Pass the thread from back to front through the thread guide on the thread stand (1). • Thread the top cover thread guide by pulling the thread towards the left until it slips under the guide.
  • Page 20 Threading the coverstitch left needle (blue, C on the needle clamp) • Raise the presser foot to release tension discs. • Pass the thread from back to front through the thread guide on the thread stand (1). • Thread the top cover thread guide by pulling the thread towards the left until it slips under the guide.

  • Page 21: Needle Threader

    • Remove the thread spool and place the new thread on the spool pin. PFAFF coverlock 3.0 • Tie the end of the new thread to the end of the old german design thread. Cut the thread tails to 2-3 cm (1”) in length and rmly pull both threads to test knot security.

  • Page 22: Stitches & Sewing Techniques

    Stitch overview The settings shown in this table are our recommendations based on normal conditions. The correct tension is set automatically by the use of the Auto Tension Dial (ATD). It may be necessary to adjust the thread tension according to the stitch, type of fabric and thread you are using.
  • Page 23 Threading path Stitch A and • • • • 4-thread safety stitch, wide For joining with reinforced stitch and overcasting in one step. Converter required. B and • • • • 4-thread safety stitch, narrow For joining with reinforced stitch and overcasting in one step. Converter required. •...
  • Page 24 Threading path Stitch • • • 3-thread narrow edge* For edging lightweight fabrics. It gives a nice nish on silky scarves, pillow ruf es and napkins. Thread the looper with a decorative lightweight thread, such as 40 weight rayon for a beautiful satin edge. Read more on page 29.
  • Page 25 Threading path Stitch • • • 3-thread rolled edge* For edging lightweight fabrics. It gives a nice nish on silky scarves, pillow ruf es and napkins. For a beautiful rolled edge, thread the looper with decorative thread and the needle and lower looper with lightweight regular thread.
  • Page 26 Threading path Stitch • • 2-thread atlock, wide For sewing stretchy fabrics together with a decorative effect either with the atlock side or the ladder stitch side. Create varying effects by threading the loopers with decorative thread. Converter required. Read more on page 30.
  • Page 27 Threading path Stitch C, D • • • • and E Coverstitch, triple For hems on stretch fabrics and for decorative effects on all kind of fabrics. Use decorative thread in looper for embellishment. Read more on page 29. C and •...

  • Page 28: Start Sewing

    Start sewing Pin placement When securing the fabric pieces using pins, insert straight pins to the left of the presser foot. The pins will be easy to remove and are away from the cutters. Sewing over pins will damage and might destroy the cutting edge of the cutters.

  • Page 29: Rolled Edge Sewing

    Rolled edge sewing The rolled edge stitch is appropriate for lightweight fabrics such as lawn, voil, organdy, crepe, etc. The rolled edge is achieved by adjusting the thread tension to make the fabric edge roll under the fabric while overlocking. Adjust the thread tension to change the degree of rolling.

  • Page 30: Flatlock Sewing

    Flatlock sewing A atlock stitch is made by sewing the seam and pulling the fabric apart to atten the seam. The atlock stitch can be used both as a decorative construction stitch, sewing two pieces together (Standard atlock stitch), or for embellishment on only one piece of fabric (Ornamental atlock stitch).

  • Page 31: Chainstitch Sewing

    Chainstitch sewing The chainstitch is sewn with two threads, one needle and one looper. Normally, the machine trims the fabric edge while the seam is being sewn. However, a chainstitch seam can be placed at a desired distance from edge of fabric by putting the upper cutter in B position, disengaging the upper looper and installing coverstitch table B.

  • Page 32: Stitch Adjustments

    Stitch width adjustment A) Left needle B) Right needle C) Chainstitch needle The stitch width can be increased or decreased by 6 mm 4 mm 9 mm changing the needle position or with the cutting width dial. Width adjustment by changing needle position A) When only the left needle, or when both needles are used the stitch width is 6 mm.

  • Page 33: Differential Feed Adjustment

    Differential feed adjustment The differential feed system consists of two sets of feed teeth arranged one behind the other. Both feed teeth work independently of each other to give perfect results when sewing on speciality fabrics. When the amount of feed by the front feed teeth is changed in relation to the feed by the rear feed teeth it will “stretch”...

  • Page 34: Thread Tension Ne Tuning

    Thread tension ne tuning Thread tension is automatically set when selecting a stitch type with the Auto Tension Dial (ATD), but it may have to be ne tuned with the ne tuning levers depending on: • Type and thickness of the fabric •...

  • Page 35: Thread Overlock

    4-thread overlock When the upper looper thread lies on the underside of the Move the upper looper thread tension lever (red) toward a fabric higher position. Or, move lower looper thread tension ne tuning lever (yellow) toward a lower position. When the lower looper thread appears on the top of the Move the lower looper thread tension ne tuning lever fabric...

  • Page 36: Maintenance

    The upper cutter can be replaced according to the following directions. If you are having any dif culties, consult your authorized PFAFF® dealer. • Open the front cover and set the movable upper cutter (1) in A position (See page 9).

  • Page 37: Changing The Light Bulb

    Replace the light cover before connecting the power cord. Only use light bulbs of the same type rated 15W. Light bulbs are available at your authorized PFAFF® dealer. • Remove the light cover screw and while pushing the cover lightly to the rear, swing cover to the left and remove from machine as shown in the illustration.

  • Page 38: Trouble Shooting

    Trouble shooting Problem Solution Fabric does not feed well - Lengthen stitch length. - Increase presser foot pressure for heavyweight fabric. - Decrease presser foot pressure for lightweight fabric. - Check the differential feed. Needle breaks - Insert needle correctly. - Do not pull fabric while sewing.

  • Page 39: Machine Speci Cations

    Intellectual Property PFAFF, COVERLOCK and INSPIRA are trademarks of KSIN Luxembourg II, S.ar.l. Please note that on disposal, this product must be safely recycled in accordance with relevant National legislation relating to electrical/electronic products.
  • Page 40 www.pfaff.com...

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