Pfaffメーカーhobbylock 4764の使用説明書/サービス説明書
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4764 hobbylock Operating Manual.
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This household sewing machine is designed to comply with IEC/EN 60335-2-28 and UL1594 IMPOR T ANT 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.
4 3 1 2 T able of contents Summary ............................................................................................ 4 1-1 Parts of hobbylock 4764 ................................................................................... 4 1-2 Accessories .
8 6 7 5 Sewing problems and their solutions ........................................... 28 T able of sewing fabrics, needles and machine settings ............... 29 Specifications .......................................................................
4 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 1 2 3 4 1. Summary 1-1 Parts of hobbylock 4764 1 Spool pin 2 Presser foot lift 3 Thread take up lever 4 Adjustment knob for presser foot pressure 5 Thread g.
5 1 2 3 4 5 6 7 8 9 11 10 12 13 14 1-2 Accessories 1 Thread unreeling discs (4 pcs.) 2 T weezers 3 Machine oil 4 Lower blade 5 Needles # 11 (75) 6 Needles # 14 (90) 7 Screwdrivers 8 Convertor 9 Thread.
6 1-3 Connecting the foot control and the electrical connection Connect the foot control and the electrical connection. Before plugging your machine, be sure that the voltage is same as that of your machine. (indicated on the plate on the back of the machine).
7 1-4 Setting telescopic thread stand Extend the telescopic thread stand to its full height, then turn until it locks against the stop. How to open the side cover Push the cover to the left to unlock and swing the cover back away from you. How to close the side cover Push the cover to the right and lock into place.
8 2. Threading 2-1 Threading When threading the machine from the beginning, threading must be carried out in the following sequence: First : Upper looper threading (A) Second : Lower looper threading (B) Finally : Needle threading (C, D) 1-6 Changing the needle Replace the needles in the following order: Unplug the machine.
9 10 9 11 (A) (B) 1 1 1 1 2 2 3 3 4 4 5 6 7 8 (D) (C) 5 9 7 10 9 8 8 5 6 5 1. Upper looper threading (A) Bring the upper looper to its lowest position by turning the handwheel towards you. Draw thread from spool and pass it through guide (1) of the thread stand and then, in order , through guides (2)-(8) (Fig.
10 A B 3. Right needle threading (C) For easy threading, disengage the moveable blade by turning it upwards. Push the upper blade holder screw (A) with the forefinger of your left hand and turn the right end of the holder (B) with your right fingers in the direction of arrow (Fig.
11 2. Raise the presser foot. 3. Set tensions to 0 so that the thread knot can pass through the guides smoothly . Draw out the looper thread until the thread knot comes to about 10 cm (4”) past the presser foot. Reset tensions after you have threaded the loopers.
12 2-3 T est sewing Ensure that the upper blade moves against the lower blade correctly by turning the handwheel slowly towards you. If it is not set correctly , check if there is any fabric or waste thread stuck between the blades. T urn the handwheel towards you while holding all 4 threads and applying slight tension.
13 Beginning and end of sewing 1. Beginning of sewing Place your left hand on the fabric to push it slightly until the edge of the fabric passes the presser foot. 2. End of sewing Make chain stitches at the end of the sewing to prevent the threads from coming undone and to prepare for the next sewing (this is called chaining off).
14 1 2 4 3 Presser foot pr essure adjustment The presser foot pressure is pre-adjusted for fabrics of medium (standard) thickness. Adjustment is necessary only when you work on very thin or ver y thick fabrics. Accordingly , sew thinner fabrics with less pressure and thicker fabrics with more pressure.
15 2. When the upper looper thread is unbalanced and lies under neath the fabric: Tighten the thread tension of the upper looper (Dial 3) or loosen the thread tension of the lower looper (Dial 4).
16 0.7-N N N-2 Differ ential feed adjustment The feed dogs work independently of each other to give per fect results when sewing speciality fabrics. Use differential feed to prevent stretching of knit fabrics and puckering of lightweight fabrics. • “N” indicates the neutral position.
17 Stitch width adjustment Adjust the stitch width from 4.2 mm to 6.2 mm according to the kind of fabric. T ypically , wider stitch widths are used for heavier fabrics. The standard width is 4.5 mm. Open the side cover to adjust the width. • T o increase the stitch width, turn the stitch width adjustment dial to a larger number .
18 Sewing curved seams For inside curves, guide the fabric gently with the trimming line of the fabric under the right front of the presser foot. By applying pressure to the fabric with your left hand, at the same time, apply a little pressure in the opposite direction with your right hand as shown.
19 1. Removing the right needle: Create a wide 3-thread stitch by using only the left needle and the left thread tension (Dial 1). The differential feed is normally set at “N” (see p. 16). 2. Removing the left needle: Create a narrow 3-thread stitch by using only the right needle and the right thread tension (Dial 2).
20 B C A 4 5 6 4 5 6 4 5 6 2 3 4 - - - 1 1 2 - - - - - - 1-2 1-2 2-3 - - - 4-6 4-6 - 5-6 5-6 - - - - - - - - - - - - - 3-4 3-4 - 4-6 4-6 - 3-4 3-4 4-5 3-4 3-4 4-5 2.5-3 4.5 2.5-3 4.5 1-1.5 5.5 1-1.5 5.5 Conversion to 2-thread overlock 1. Open the front cover .
21 Thread tension adjustment 1. Cor rect tension 2. Unbalanced lower looper thread wraps around the back. Tighten the thread tension of the lower looper (Dial 4) or loosen the needle thread tension (Dial 2). 3. Needle thread unbalanced and too loose. Tighten the needle thread tension (Dial 2) or loosen the tension of lower looper thread (Dial 4).
22 12 4 3 1.5 3-5 How to roll hem 3-thread r olled hem Rolled hemming is achieved by adjusting the thread tensions, so that the fabric is overlocked while rolling underneath at 1.5 mm width. This is ideal for lightweight fabrics. 1. Remove the left needle (see p.
23 5 2 3 4 5. The standard thread tensions are as follow: Dial 2: Needle thread .............................. 4-7 Dial 3: Upper looper thread ..................... 4-7 Dial 4: Lower looper thread ..................... 5-8 At the beginning of sewing, gently pull the end of the thread chain to get started.
24 1 2 3-6 Corded overlock Corded overlock can be used to strengthen stitches when joining elastic fabrics such as knits. There are two ways to sew corded overlock. 1. Thread cord through the hole on the front of the foot. Place a slightly wide cord or tape (about 3 mm) under the right needle and start to sew catching cord or tape in stitching.
25 0.5-1 1-1.5 Replacing the lower blade: 1. T urn the moveable blade to the non- operating position (see figure C, p. 10). 2. Loosen the lower blade clamp screw and remove the lower blade.
26 4-3 Oiling Lubrication is not necessary for this machine since the major moving parts are all made of a specially-made oil infused metal. However , periodically one or two drops of oil at the oiling point shown will increase its durability .
27 4-5 Storage 1. When the machine is not in use, be sure to unplug the machine. 2. Cover the machine with the vinyl cover to protect from the dust. 3.
28 5. Sewing problems and their solutions If the machine is used under normal conditions and the operating instructions are carefully followed, no difficult or special adjustment is necessary . Following cases are not failure of the machine. Check your machine before you call for service.
29 6. T able of sewing fabrics, needles and machine settings Note: Use ball point needle for synthetic or stretch fabric. Light fabric (crepe, georgette) Medium to heavy fabric (cotton, wool) Heavy fa.
30 7. Specifi cations Number of threads Number of needles Needles Width between two needles Stitch width Stitch length Differ ential feed Maximum sewing speed Machine dimensions Weight Width 290mm Depth 220mm Height 330mm (Max. 550mm) 7.3 kg 1200 RPM 0.
31 8. Index Accessories ...............................................5 Blades, replacing ...................................25 Chaining off / chain stitch .....................13 Cleaning .................................................27 Connection .
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W e reser ve the right to change the machine equipment and the ass ort ment of accessories without prior notice, or make modifications to the per formance or design. Such modifications, however , will always be to the benefit of the user and the product.
412 93 67-26C • English • Inhouse • © 2005 VSM Group AB • Printed in Sweden on envir onmental-friendly paper VSM Group AB • SE-561 84 Huskvarna • SWEDEN www .
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