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Summary of Contents for KONWA KW-505
- Page 1 ® KONWA KW-505 DOMESTIC SEWING MACHINE INSTRUCTION MANUAL & PARTS LIST...
- Page 2 The “KONWA” Model: KW-505 is also fitted with thread take up cam and oscillating shuttle hook, by which the under and upper thread are locked to form excellent stitches.
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Page 3: Winding The Bobbin
1. THREADING A new sewer is apt to run the balance wheel in a reverse direction, thus rendering the thread hitched in the shuttle race or breaking the thread, so it is necessary to practice idle running. This is carried out as follows. Loosen the stop motion screw (Fig. -
Page 4: Removing Bobbin Case
3. REMOVING BOBBIN CASE Turn the balance wheel towards you until the needle bar is raised to its highest (Fig. 4-1). Then draws the bed slide open (Fig. 4-2) and pull out the latch lid of the bobbin case with the thumb and the fore finger of the left hand (Fig. -
Page 5: Changing Needle
6. CHANGING NEEDLE Turn the balance wheel towards you until the needle bar is raised to its highest. Loosen the needle clamp screw, take off the old needle (Fig. 10), and insert a new one into the needle clamp (Fig. 11) as far as it touches the screw, with its flat side facing the balance wheel, then tighten the needle clamp screw. - Page 6 8. CATCHING BOBBIN THREAD Hold the end of the upper thread with the left hand, and with your right hand turn gently the balance wheel towards you till the needle comes down and up again to its highest position. Pull the end of the thread in your left hand gently, and it will bring up the bobbin thread (Fig.
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Page 7: Regulating Stitch Length
Fig. 20 The stitch regulator of Model: KW-505 has also the function of reverse feeding that enables you to seal stitches without the trouble of reversing the material. When you want to seal stitches during sewing, just move the stitch shifter (Fig. -
Page 8: Adjusting The Feed Dog Height
For sewing thin material, press downs the screw sleeve of the regulator (Fig. 21-2) instead to decrease the pressure. For Model: KW-505, regulate the pressure according to Fig. 22. To increase the pressure, turn the pressure adjusting screw in the direction of arrow A and to decrease in the direction of arrow B. - Page 9 (7) Pull up the presser foot lever to raise the presser bar high enough to allow the mounted embroidery frame to get onto the feed cover plate. After that, lower the presser foot lever and commence embroidering (Fig. 25). The speed of shifting the frame must be coordinated with that of the movement of the needle.
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Page 10: Cleaning Shuttle Race
16. CLEANING SHUTTLE RACE It is necessary to disassemble the shuttle race and take out the shuttle hook for cleaning after a long time of using. Otherwise the fluff would accumulate there and cause frequent hitching of the thread. We have two types of shuttle race, back-open and front-open, which are different in disassembling. - Page 11 Remove the shuttle-retaining ring (Fig. 28-3-2) and you can take out the shuttle hook (Fig. 28-3-3) from the front-face. After cleaning replace the hook first, and put on the ring. Be careful that the pin at the side of the ring should engage with the notch (Fig. 28-3-4). Shut the latches at last.
- Page 12 19. LIST OF TROUBLE USUALLY ENCOUNTED AND THEIR POSSIBLE CAUSES (1) Breaking of needle :- a. The needle used being unsuitable for the material or / and the thread. b. The shuttle back not being well replaced after cleaning of the shuttle race. c.
- Page 13 (6) Wrinkling of the material or loosening of stitches :- a. The pressure of the presser foot is too strong. b. Either needle thread or bobbin thread being too tense or too loose. c. Accumulation of fluff or appearance of rust in the shuttle race or on the tension disc.
- Page 14 ® KONWA KONWA INDUSTRIAL SEWING MACHINE (M) SDN BHD (124740-M) Head Office: Lot 11 & 13, Jalan 51/201, Off Jalan Tandang, Seksyen 51, 46050 Petaling Jaya, Selangor Darul Ehsan, Malaysia. Tel: +603-7788 1111 Fax: +603-7788 5555 E-mail: konwa@konwa.com.my URL: www.konwa.com.my...