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Pfaff hobbylock 756 - page 1
Cl) C C) 0 D 3 a) D C a) Cs’ C, C C-) C C) ...
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Pfaff hobbylock 756 - page 2
Simple, up-to-date sewing Congratulations! You have bought a high-quality product that provides unique advantages. Your new hobbylock 756 can take any material in its stride and will sew, trim and neaten up for you in one ope ion. Your PFAFF hobbylock features the very latest in design and technology, and it is just as easy to use as this instructi ...
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Pfaff hobbylock 756 - page 3
IMPORTANT SAFETY INSTRUCTIONS For the United States only This sewing machine is designed and manufactured for HOUSHOLD use only. When you use an electric appliance, the following basic safety precautions should always ___________________ be adhered to: Read all instructions before using this sewing machine. DANGER To reduce the risk of electric sho ...
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Pfaff hobbylock 756 - page 4
Notes on safety Notes on safety for domestic sewing machi nes according to EN 60335-2-28 bzw. IEC 335-2-28. 1. The user must exercise adequate caution with regard to the up and down move ment of the needle and keep the sewing area under constant observation while working. 2. When leaving the machine, during maintenance work or when changing mechani ...
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Pfaff hobbylock 756 - page 5
CONTENTS Page 1 Accessories 4 2. Needle information 4 3. Principal parts 5 4. How to open looper cover 6 5. Principal parts behind looper cover 6 6. Preparation prior to sewing 6 7. Setting up the thread guide holder 7 8. How to remove and insert needle 8 • To remove needle (s) 8 • To insert needle (s) 8 9. How to remove and replace cloth plate ...
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Pfaff hobbylock 756 - page 6
1. ACCESSORIES ( Needle set ( Screwdriver (sheet metal) Sciewdiver (small si7e) ® Tweezers © Rolled hemming throat plate © Hex-head wrench See page 44 for optional accessories. 1 1 I 2. NEEDLE INFORMATION * This overlock uses a flat shank industrial needle that eliminates the possibility of inserting the needle backwards. * Do not attempt to use ...
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Pfaff hobbylock 756 - page 7
3. PRINCIPAL PARTS Thread guides and holder © Handle Pressure regulating screw Left needle thread tension dial (blue) ® Right needle thread tension dial (green) © Upper looper thread tension dial (orange) © Lower looper thread tension dial (yellow) ® Throat plate ® Cylinder cover Cloth plate © Looper cover © Power & light switch © Stit ...
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Pfaff hobbylock 756 - page 8
4. HOW TO OPEN LOOPER COVER * Push the cover to the right as far as it will go. * Pull cover down toward you. () Caution: Be sure looper cover is closed when sewing. 5. PRINCIPAL PARTS BEHIND LOOPER COVER () Upper looper () Movable upper knife ® Presser foot ® Stationary lower knife ® Lower looper 6. PREPARATION PRIOR TO SEWING * Connect the con ...
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Pfaff hobbylock 756 - page 9
Warning: * Be sure that the electrical voltage of the electric outlet (wall receptacle) is the same as the rated voltage of the motor. * Handle the foot controller with care and avoid dropping it on the floor. Be sure not to place anything on top of it when not in use. * Disconnect the powerline plug from the electric outlet when changing needles, ...
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Pfaff hobbylock 756 - page 10
8. HOW TO REMOVE AND INSERT NEEDLES • TO REMOVE NEEDLE (S) * Be sure to disconnect the machine from the electric outlet before removing needle(s). * Turn the hand wheel toward you until the needle is at its highest position. * Loosen, but do not remove the needle set screw with the small screwdriver. — left needle set screw — right needle set ...
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Pfaff hobbylock 756 - page 11
9 HOW TO REMOVE AND REPLACE CLOTH PLATE * Remove cloth plate for free arm sewing (tublar work) * To remove, pull cloth plate to the left while pressing the push botton on underside of cloth plate upward. * To replace, guide latch on cloth plate into hole in cylinder cover and push cloth plate to the right as far as it will go. :10. HOWTO REMOVEAND ...
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Pfaff hobbylock 756 - page 12
r 11. THREADING THE MACHINE • THREADING DIAGRAM * A color coded threading diagram is located inside the loopei cover for quick refcrcnce. * Thread the machine in the order ® to as shown. • UNDERSTANDING THE COLOR CODE Blue ® Green ® Orange ® Yellow © * Left needle thread — * Right needle thread — * Upper looper thread * Lower looper th ...
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Pfaff hobbylock 756 - page 13
I I :4 F F F * Pass thread from back to the front through the thread guide D * Pass thread through hole @ from front to back, then to the front through right slot as shown. * While holding thread with finger, pass it between the tension discs and pull thread down to make certain it is properly located in between the tension discs. * Thread the loop ...
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Pfaff hobbylock 756 - page 14
(2) Threading the Lower Looper (Yellow) * Thread the lower looper as indicated D * Pass thread from back to the front through the thread guide * Pass thread through hole J from front to back, then to the front through right slot as shown. * While holding thread with finger, pass it between the tension discs and pull thread down to make certain it i ...
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Pfaff hobbylock 756 - page 15
I: I * Thread the looper area of the machine following the yellow color coded thread guides ®®. * Remove the cylinder cover (page 9) to expose the lower looper for threading. * Turn the hand wheel toward you until the lower looper is at the far left. * Pull 7.5 10 cm (3 4 inches) of thread through thread guide (ij. * Insert the thread through the ...
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Pfaff hobbylock 756 - page 16
A (3) Threading the Right Needle (Green) * Thread the right needle as indicated (iJ--®. I — . L_—4 1- • —- — * Pass thread from back to the front through the thread guide D * Pass thread through hole ® from front to back, then to the front through right slot as shown. * While holding thread with finger, pass it between the tension dis ...
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Pfaff hobbylock 756 - page 17
* Continue to thread points® —®. Note: Be sure to pass the thread through upper thread path of the thread guide(). 15 L * Thread the eye of the right needle ®. * The needle may be easier to thread when the upper knife is disengaged and placed in the non operating position. (see page 23). — Be sure to engage knife before sewing. * Place the t ...
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Pfaff hobbylock 756 - page 18
I * Pass thread from back to the front through the thread guide * While holding thread with finger, pass it between the tension discs and pull thread down to make certain it is properly located in between the tension discs. (. (4) Threading the Left Needle (Blue) * Thread the left needle as indicated * Pass thread through hole from front to back, t ...
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Pfaff hobbylock 756 - page 19
• IMPORTANT THREADiNG INFORMATION * Always thread the needle(s) last to prevent mis threading the lower looper. * If the lower looper should come unthreaded. 1) Unthread the needle(s) 2) Thread the lower looper 3) Thread the needle(s) * Continue to thread points ®—®. Note: Be sure to pass the thread through lower thread path of the thread gui ...
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Pfaff hobbylock 756 - page 20
12. CHAINING OFF AND TEST SEWING * When the machine is completely threaded, bring all of the threads over the throat plate and slightly to the left under the presser foot. * Hold the threads and apply a slight tension. * Turn the hand wheel toward you 2 or 3 complete turns to start the thread chain. * Lower presser foot. * Continue holding the chai ...
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Pfaff hobbylock 756 - page 21
13. BASIC STITCH TYPES • 4 THREAD OVERLOCK MOCK SAFETY STITCH * This machine is a four-thread overlock that uses two needles and two loopers to create a 5.7mm (7/32 inch) wide four-thread mock safety stitch. • WIDE 3 THREAD OVER LOCK STITCH * When the right needle is removed a wide 5.7mm (7/32 inch) three-thread stitch is sewn. 4 114. I *1 .4 S ...
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Pfaff hobbylock 756 - page 22
• SUGGESTED TENSION SETTINGS FOR 4 THREAD OVERLOCK MOCK SAFETY STITCH Note: * These are suggested tension settings only. * Tension settings are effected by 1) Type and thickness of fabric 2) Needle size 3) Size, type and fiber content of thread • CORRECT BALANCE OF THE 4 THREAD OVER LOCK MOCK SAFETY STITCH • HOW TO BALANCE THE 4 THREAD OVER L ...
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Pfaff hobbylock 756 - page 23
• SUGGESTED TENSION SETTINGS FOR THE 3 THREAD OVER LOCK STITCH Note: * These are suggested tension settings only. * Tension settings are effected by 1) Type and thickness of fabric 2) Needle size 3) Size, type and fiber content of thread. • HOW TO BALANCE THE 3 THREAD OVER LOCK STITCH * When the upper looper thread lies on the under side of the ...
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Pfaff hobbylock 756 - page 24
15. HOW TO CHANGE THREADS/TIE ON METHOD * To change thread type or color, clip thread near the spool. * Place new thread on stand. * Tie new thread and old thread ends together. * Clip thread tails to 2 3 cm (1 inch) length. If clipped too short, threads may come untied. * Firmly pull both thread to test knot security. * Note tension dial settings. ...
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Pfaff hobbylock 756 - page 25
* Pull the threads through the machine one at a time. * If threads do not pull easily, check for tangles on thread guides or looping under thread stand. * When pulling thread through the needle, STOP when the knot is in front of the needle. * Cut the thread, and insert it through the needle. * Return tension dials to previous settings. 16. HOW TO A ...
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Pfaff hobbylock 756 - page 26
• TO PLACE MOVABLE KNIFE IN WORKING POSITION * Open looper cover and push the movable knife holder to the right as far as it will go. * Turn the knob up and toward you until the knife clicks into the operating position. Caution: Always close looper cover before operating machine. 18. SEAM GUIDE LINES * When the left needle is inserted, the thick ...
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Pfaff hobbylock 756 - page 27
9. HOW TO ADJUST THE OVEREDGE SEAM WIDTH * The machine is set to sew the four-thread stitch and three-thread left needle position stitch at a width of 5.7mm (7/32 inch). * The machine is set to sew the three-thread right needle position stitch at a width of 3.5mm (9/64 inch). * The 5.7mm (7/32 inch) setting can be increased to 7.2mm (9/32 inch) and ...
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Pfaff hobbylock 756 - page 28
20. HOW TO SEW A ROLLED HEM * Rolled hemming is done by rolling and overedging the fabric edge. * Light weight fabrics such as lawn, you, organdy, crepe, etc. perform the best. * Rolled hemming is not suited for heavy or stiff fabrics. MACHINE SET UP Be sure the machine is disconnected from the power source. * Remove the left needle. * Insert a #20 ...
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Pfaff hobbylock 756 - page 29
• SUGGESTED TENSION SETTINGS FOR STANDARD ROLLED HEM * Always sew a test sample and adjust tension balance if neccessary. * Adjust tension balance the same as for a narrow three—thread overlock stitch (page 21). SUGGESTED TENSION SETTINGS FOR UPPER LOOPER THREAD WRAPPED ROLLED HEM For medium and heavy weight fabrics that are difficult to roll. ...
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Pfaff hobbylock 756 - page 30
* When the needle thread is too loose — Turn the needle thread tension dial (green) to a higher number. * Place a slight tension on the material in the sewing direction and a finer seam finish can be obtained. * The minimum overedge stitch width that can be obtained for rolled hemming is approximately 1.5 mm (1/16 inch) since the cutting width ca ...
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Pfaff hobbylock 756 - page 31
21. STITCH VARIATIONS AND SEWING TECHNIQUES • HOW TO SEW A FLATLOCK DECORATIVE SEAM * A flatlock stitch is achieved by adjusting the tension of the three-thread overlock stitch, sewing the seam and pulling the fabric apart to flatten the seam. * The flatlock stitch can be used as a construction and decorative stitch or for ornamentation only. (1) ...
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Pfaff hobbylock 756 - page 32
* Pull on opposite sides of the seam to pull the stitches flat. (3) Decorative Flatlocking * Place the movable uper knife in the nonworking position (page 23). The fabric is not trimmed on this stitch. * Fold fabric wrong sides together. * Position the fabric so the seam is sewn with part of the stitch extending off the fabric. * Pull on opposite s ...
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Pfaff hobbylock 756 - page 33
• HOW TO SEW AN OVER LOCK BLIND HEM The excess fabric is trimmed and the hem is sewn and the raw edges are overlocked in one operation. The overlock blind hem is best suited for sewing knit wear. It provides a durable finish that is almost invisible. * Remove the left needle and adjust machine for a narrow three-thread overlock stitch. Note: The ...
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Pfaff hobbylock 756 - page 34
* Fold the fabric with the wrong sides together and 32 sew. * Press the pin tucks in the same direction. • TURNING SQUARE CORNERS (1) Outside Corner * Cut out approximately 2 cm (51/64 inch) from the corner, in line with the overedge seam edge. * Sew one stitch beyond point (A) and stop. * Raise needle and presser foot. * Pull the fabric to the r ...
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Pfaff hobbylock 756 - page 35
* Place movable upper knife in nonoperating posi tion (page 23). Stitch on cut edge of fabric. Stop sewing before you reach the corner and fold the fabric to the left to straighten the corner. * Continue to sew slowly holding the fabric edge in a straight line moving the fold as you sew. • PIN PLACEMENT * Insert pins to the left of the presser fo ...
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Pfaff hobbylock 756 - page 36
• APPLYING ELASTIC * Place the movable upper knife in the nonoperat ing position. (page 23) * Divide the elastic and the area where the elastic will be attached into quarters and mark with a watersoluble marker. * Lay elastic on the wrong side of the fabric making sure elastic and fabric edges are even. * Line up with edge of throat plate. * Elas ...
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Pfaff hobbylock 756 - page 37
• BRAIDiNG BY CHAINING OFF * Place the movable upper knife in nonoperating position. * Insert filler cord such as yarn or twill tape through the hole in the front of the foot. * Position the filler cord under the foot and chain off the desired length. * Chained off braids can be used individually or woven into 3 or 4 ply braids. 35 • HOW TO REI ...
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Pfaff hobbylock 756 - page 38
DIFFERENTIAL FEED (with differential feed machine only) * Differential feed is a system which “stretches” or “gathers” the fabric, when amount of feed of front feed dog in relation to the rear feed dog is changed. * The differential feed ratio ranges from 1:0.77 1:2.0. Adjustment is made by means of the dif ferential feed adjusting lever as ...
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Pfaff hobbylock 756 - page 39
(2) Stretch overedge (Use regular or rolled hemming throat plate) * Stretch overedge is ideal for sewing decorative collars, sleeves, skirt hems, etc. on loosely knit and woven fabrics. To set the differential feed adjusting lever * Open looper cover and loosen differential feed adjusting lever thumb screw. * Slide adjusting lever upward above the ...
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Pfaff hobbylock 756 - page 40
22. HOW TO ADJUST THE PRESSER FOOT PRESSURE * The presser foot pressure of the machine is pre adjusted for sewing medium weight fabrics. * It may be necessary to adjust the pressure to sew different weights of fabrics by turning the pressure regulating screw. For light weight fabric—decrease pressure. For heavy weight fabric—increase pressure. ...
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Pfaff hobbylock 756 - page 41
ii 4 ..‘ 24. RELATIONSHIP BETWEEN CLOTH, THREAD AND NEEDLE Type of Fabric Type of Thread Needle Light Weight Lawn, Organdy Cotton No. 100 No. 10/70 Voil, Crepe, etc. Silk No. 100 Spun No. 80 — 90 Tetron No. 80 — 100 Medium Weight Muslin, Sheersucker Cotton No. 60 — 80 No. 10/70 Satin, Gabardine, Silk No. 50 No. 14/90 Broadcloth, etc. Spun N ...
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Pfaff hobbylock 756 - page 42
. CLEANING THE MACHINE 40 • OILING THE MACHINE Danger: Before lubricating your machine, disconnect power line plug from the wall receptacle. * The oiling points shown in the diagram, should be oiled periodically. Note: Use sewing machine oil. Do not use any other oil or damage could result. / 25. MACHINE MAINTENANCE * An overlock requires more ma ...
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Pfaff hobbylock 756 - page 43
HOW TO REPLACE THE STATiONARY KNIFE Danger: Before replacing the stationary knife, dis connect power line plug from the wall receptacle. * The stationary knife should be changed when it becomes dull. * The stationary knife can be replaced according to the directions provided, however if there are any difficulties experienced, consult your re presen ...
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Pfaff hobbylock 756 - page 44
• HOW TO EXCHANGE LIGHT BULB Danger: Always unplug before relamping. * Light bulb is available at your shop. Take old bulb to the shop and ask for same bulb. * If voltage indicated on the electrical rating plate of your machine is 110 — l27V, ask for light bulb conforming to following specification. * Remove light cover screw and while pushing ...
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Pfaff hobbylock 756 - page 45
26. TROUBLESHOOTING CHART Problem Solution Page Fabric does not — Lengthen stitch length feed well — Increase presser foot pressure for heavy weight fabric — Decrease presser foot pressure for light weight fabric — Insert needle correctly — Do not pull fabric while sewing — Tighten needle set screw — Use a larger needle on heavy fabri ...
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Pfaff hobbylock 756 - page 46
27. OPTIONAL ACCESSORIES AND ATTACHMENTS (1) Sewing with an Overlock * For additional information, the following book is recommended, Sewing with an Overlock-From The Sewing Reference Library, published by Cy Decosse Incorporated. (2) Edge Guide * Attaches to the looper cover to aid in seaming and decorative sewing such as flatlocking and pin tucki ...
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Pfaff hobbylock 756 - page 47
(5) Ultra Hem Foot * Special foot that makes sewing a blind hem easier. The machine will trim the excess fabric, finish off the edge and sew a hem in one operation. (See page 31) (6) Clean Pocket * Fits under the base of the machine and catches the fabric scraps as they are trimmed. (7) Fabric Separator * Most suited for gathering when sewing tiere ...
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Pfaff hobbylock 756 - page 48
PFAFF G. M. Pfaff Akt i en g esel Isch aft Werk Karisruhe-Durlach GritznerstraIe 11 76227 Karlsruhe Gedruckt n Deutschland Druckerel Geblenc GmbH 76356 Weingarten, Stettiner StraSe 17 Technische Anderungen vorbehalten. Nr.: 29-62999558/OOO DG englisch . 4/95 . 4/96 ...
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