Instruction/ maintenance manual of the product coverlock 4.0 Pfaff
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coverlock TM 4.0 Owner’s Manual.
This household sewing machine is designed to comply with IEC/EN 60335-2-28 and UL1594 IMPORT ANT SAFETY INS TRUCTIONS When using an electrical appliance, basic safety precautions should always be followed, including the following: Read all instructions before using this household sewing machine.
OPERA TING INS TRUCTIONS INTRODUCTION Parts of the machine .................................................................... 4 Accessories ....................................................................................... 5 Optional accessories from INSPIRA ™ .
PF AFF coverlock 4.0 german design 21 19 22 20 23 24 25 4 5 6 7 8 coverlock 4.0 2 9 10 3 1 12 11 16 17 18 15 13 14 Introduction 4 1. Telescopic thread stand 2. Handle 3. Touch screen 4. Load stitch button 5. Save stitch button 6. Clear button 7. Settings menu button 8.
31 32 33 34 26 28 27 30 29 23 4 5 6 7 8 9 11 1 10 12 13 15 14 Introduction 5 Accessories Accessories are contained in the accessory box. 1. Accessory box 2. Screwdriver 3. Knife blade (for the movable upper cutter) 4. Thread unreeling discs (5) 5. Thread spool nets (5) 6.
Introduction 6 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.
A B C Prepar ations 7 Connecting the foot control and the power supply Among the accessories you will À nd the power cord and the foot control. Note: Before plugging in the foot control, check to ensure that it is type ”FR5” (see underside of foot control).
coverlock 4.0 ger man design 1 2 coverlock 4.0 Prepar ations 8 Setting up the telescopic thread stand Extend the telescopic thread stand to its full height, then turn until it clicks into place. Place the thread spools over the cone holders on the spool pin.
A B E D C german design Prepar ations 9 Changing the presser foot Turn off the main power switch and unplug the machine. • Raise the presser foot. • Turn the handwheel toward you until the needles are at the highest position. • Push the red button on the back of the presser foot ankle to release the presser foot.
B A B B A B A B Prepar ations 10 Movable upper cutter Disengaging, position B Turn off the main power switch and unplug the machine. • Turn the handwheel toward you until the upper cutter is raised to the highest position. • Open the front cover. • Pull the movable cutter knob to the right as far as it will go.
B A 1 2 3 4 R N N R N R Prepar ations 11 Upper looper Disengaging For coverstitch and chaintitch sewing the upper looper needs to be disengaged. • Turn the handwheel until the upper looper is in its lowest position. • Push the clutch lever to the right and back until position B is visible from the front.
Threading 12 Gener al threading information A color coded diagram is located inside the front cover for quick reference. Always start threading the loopers and then the needles from right to left. See the table below for recommendations on what needles and thread to use for different fabric weights.
1 2 9 coverlock 4.0 2 3 4 5 6 7 8 9 1 Threading 13 Threading the upper looper (r ed) • 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.
1 2 coverlock 4.0 1 2 3 9 A A B B Option 1 Option 2 4 5 6 7 8 9 10 5 Threading 14 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).
coverlock 4.0 1 2 3 1 2 8 4 5 6 7 8 9 10 11 5 A 10 BB A Option 1 Option 2 Threading 15 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).
coverlock 4.0 2 4 5 6 7 8 9 1 2 3 1 9 Threading 16 Threading the right needle (green, B on needle clamp) • Raise the presser foot to release tension discs.
coverlock 4.0 2 1 2 3 1 4 5 6 7 8 9 9 Threading 17 Threading the left needle (blue, A on needle clamp) • Raise the presser foot to release tension discs.
2 5 6 7 8 9 coverlock 4.0 1 2 3 1 4 9 Threading 18 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).
1 2 5 6 7 8 9 coverlock 4.0 2 3 1 4 9 Threading 19 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.
2 5 6 7 8 9 coverlock 4.0 4 1 2 3 1 9 Threading 20 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).
2 5 6 7 8 9 1 coverlock 4.0 1 2 3 4 9 Threading 21 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).
PF AFF coverlock 4.0 german design PF AFF coverlock 4.0 german design Threading 22 Needle threader To make threading the needles easier, use the needle threader included with the accessories. • Turn the handwheel so the needles are in their highest position and lower the presser foot.
1 2 3 7 4 9 8 5 10 6 A 11 12 13 14 15 T ouch screen 23 T ouch screen overview Sewing mode is the À rst view on the graphic display after you turn on the machine. Your selected stitch will be shown in real size in the stitch À eld. Here you will À nd all the basic information you need to start sewing.
T ouch screen 24 On-screen stitch adjustments Your machine will set the best settings for each selected stitch. You can make your own adjustments on the selected stitch. The setting changes only affect the selected stitch. Your changed settings will be reset to default when selecting another stitch.
B B B A A C DE T ouch screen 25 Save Stitch To save the adjusted stitch, touch the Save Stitch button to open the Save Stitch view. You can save up to 30 different stitches. You can scroll through the list to À nd a free position, using the arrows. Any box without a stitch is a free position and can be used to save your new stitch.
B A T ouch screen 26 When a stitch is selected, a pop-up message with detailed information about the stitch appears. Touch OK (A) to load the selected stitch or Cancel (B) to return to the Load Stitch list. Settings menu Touch the Settings button to open the settings menu.
T ouch screen 27 Pop-ups Front cover open As a safety precaution you cannot sew with the front cover open. The pop-up will close when the front cover is closed. Presser foot is up You cannot start sewing with the presser foot up. The pop-up will close when the presser foot is lowered.
Stitches & sewing techniques 28 Stitch A B CD E N/R A/B Threading path BGR Y P 5-thread safety stitch, wide For joining with a reinforced stitch and overcasting in one step. A durable chainstitch seam with overlock edge for garment sewing, quilt piecing and other projects.
Stitches & sewing techniques 29 * Not recommended for heavyweight woven f abrics or medium to heavyweight stretch fabrics. Stitch A B CD E N/R A/B Threading path BGR Y P 4-thread safety stitch, narr ow For joining with reinforced stitch and overcasting in one step.
Stitches & sewing techniques 30 Stitch A B CD E N/R A/B Threading path BGR Y P 3-thread Á atlock stitch, narrow For sewing stretchy fabrics together with a decorative effect either with the Á atlock side or the ladder stitch side. Create varying effects by threading the loopers with decorative thread.
Stitches & sewing techniques 31 Stitch A B CD E N/R A/B Threading path BGR Y P 2-thread overlock, wide For overcasting a single layer of light to medium weight fabrics. Converter required. A 6.0 N Yes A •• 2-thread overlock, narr ow For overcasting a single layer of light to medium weight fabrics.
Stitches & sewing techniques 32 Stitch A B CD E N/R A/B Threading path BGR Y P 2-thread r olled edge* For edging lightweight fabrics. It gives a nice À nish on silky scarves, pillow ruf Á es and napkins. Thread the looper with a decorative lightweight thread, such as 40 weight rayon for a beautiful satin edge.
5-8 cm (2-3“) Stitches & sewing techniques 33 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.
Stitches & sewing techniques 34 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.
Standard Á atlock stitch Ornamental Á atlock stitch 3-thread ladder stitch Stitches & sewing techniques 35 Flatlock sewing A Á atlock stitch is made by sewing the seam and pulling the fabric apart to Á atten the seam.
A B Stitches & sewing techniques 36 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.
6 mm 9 mm 4 mm • 5.5 6.0 6.5 PF AFF Stitch adjustments 37 Stitch width adjustment The stitch width can be increased or decreased by 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.
Stitch adjustments 38 F abric Differential feed 1.0 Adjustment Result Stretch f abric (Knit, jersey) 1.0 - 2.0 Non-stretch f abric (Chino, denim) 1.0 Lightweight fabric (Silk, silky knit - wear) 0.6 - 1.0 Differential feed adjustment The differential feed system consists of two sets of feed teeth arranged one behind the other.
Stitch adjustments 39 Thread tension À ne tuning Thread tension is automatically set when selecting a stitch but it may have to be À ne tuned depending on: • Type and thickness of the fabric • Needle size • Size, type and À bre content of the thread See page 24 for how to adjust the thread tension settings.
Stitch adjustments 40 Chainstitch When the chainstitch needle thread tension is too loose Increase the needle thread tension (blue), or decrease the chainstitch looper thread tension (purple). Coverstitch When the coverstitch looper thread is too loose Increase the coverstitch looper thread tension (purple).
1 2 3 Maintenance 41 Machine maintenance An overlock machine requires more frequent maintenance than a conventional machine mainly for two reasons: • A lot of lint is produced when the cutters are cutting the the fabric. • An overlock runs at a very high speed and needs to be oiled frequently to lubricate the internal working parts.
Maintenance 42 Stor age When the machine is not in use, be sure to keep it unplugged. Cover the machine with the dust cover to protect it from the dust. Store the machine, so it is not exposed to direct sunlight or humidity. Servicing If you have any questions regarding service and/or operation, contact your local PFAFF® dealer.
Sewing speed 1100 stitches/min Stitch length 1.0 - 4.0 mm Differential feed r atio 1:0.6 - 1:2 Overlock stitch width Left needle: 5 - 7 mm Right needle: 3 - 5 mm Coverstitch: 3 - 6 mm Presser foot rise 4.
413 19 69 - 26F • English • Inhouse • © 2011 KSIN Lux embourg II, S.ar .l. • All rights reserved • Printed in Sweden on envir onment friendly paper www .
An important point after buying a device Pfaff coverlock 4.0 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Pfaff coverlock 4.0 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Pfaff coverlock 4.0 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Pfaff coverlock 4.0 you will learn all the available features of the product, as well as information on its operation. The information that you get Pfaff coverlock 4.0 will certainly help you make a decision on the purchase.
If you already are a holder of Pfaff coverlock 4.0, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Pfaff coverlock 4.0.
However, one of the most important roles played by the user manual is to help in solving problems with Pfaff coverlock 4.0. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Pfaff coverlock 4.0 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
