Instruction/ maintenance manual of the product 634D White
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INSTRUCTION BOOK BUPEFILDCK 634D W H I TE Sewing machine company.
POLARIZED PLUG CAUTION To reduce the risk of electric shock, this appliance has a polarized plug (one blade is wider than the other). This plug will fit in a polarized outlet only one way. if the plug does not fit fully in the outlet, reverse the plug.
IMPORTANT SAFETY INSTRUCTIONS When using an electrical appliance, basic safety precautions should always be followed, including the following: Read all instructions before using (this appliance). DANGER —To reduce the risk of electric shock: An appliance should never be left unattended when plugged in.
WARNING 1. Keep fingers away from all moving parts. Special care is required around the sewing machine needle. 2. Always use the proper needle plate. The wrong plate can cause the needle to break. 3. Do not use bent needles. 4. Do not pull or push fabric while stitching.
CONTENTS 1, NAMES OF PARTS 1 2. OPERATION AND FUNCTION OF PARTS 2 3. PREPARATION FOR SEWING 4 3-1. Connecting Power Cord 4 3-2. Setting Telescopic Thread Stand 5 3-3. Changing Threads 5 3-4. Replacing Needle 6 3-5. Threading 7 4 F-UR THREADQVERLOcksTiTCH USING 2 NEEDLES 10 4-i.
1. NAMES OF PARTS 1. Spool pin 2. Thread take up lever cover 3. Pressure regulator screw 4. Thread tension support 5. Telescopic thread stand 6. Thread tension dials 7. Tension release lever 8. Differential feed dial 9. Stitch length dial 10. Presser foot lifter 11.
2. OPERATION AND FUNCTION OF PARTS Handwheel + Always turn handwheel toward you. Changing Presser Foot Switch off the machine. 1. Raise presser foot. 2. Raise needles to their highest position by turning handwheel toward you. 3. Push red button A and foot will come off.
Stitch Finger Knob (Conversion from overlock to rolled edge) + Raise needle to the highest position by turning handwheeItoward you. For Overlock: Push stitch finger knob to align it with the rear red line © on needle plate.
3. PREPARATION FOR SEWING 3-1. ConneCting Power Cord Connect foot control and power cord ® Before plugging in your machine, be sure that the voltage is same as that of your machine. (written on a plate at back of machrne). ± Specifications vary from country to country.
3-2. Setting Telescopic Thread Stand Extend the telescopic thread stand to its full height, then turn it until the shaft clicks into its locked position. 3-3. Changing Threads The machine is supplied with thread but iiiy I au •.y (1) Cut the thread in use near the cone spool (behind the telescopic thread stand).
Cover the spool with the “NET” as needed to prevent thread from slipping down on thread cones. When using a standard type thread spool, insert the spooi adapter (supplied with the machine) (as shown). 3-4. Replacing Needle Replace needle in the following way: Note: be sure to take out the power supply plug before replacing needle.
3-5. Threading When threading the machine from the beginning, threading must be carried out in the following sequence: First: Lower loopef threading (A) Second: Upper looper threading (B) Finally: Needle threading (C, D) (1) Lower looper threading (A) Open front cover.
(2) Upper looper threading (B) Bring the upper looper to its lowest position by turning handwheel toward you. Draw thread from spool and pass it, through guide ( of the thread stand and then, in order, through guides ©-.
(3) Needle Threading (C) (D). For ease in threading, turn the moveable cutter to the non-operating position. (See Page 3). 1. Raise the needles to their highest position. 2. Draw thread from spool and pass it through guide ®. 3. Lay thread between thread tension discs © while pressing down the tension release lever.
4. FOUR THREAD OVERLOCK STITCH USING 2 NEEDLES 4-1. Before Sewing After threading is completed, and when the threads are not wound around the stitch finger, gently draw out the four threads under and behind the presser foot, and turn the handwheel towards you by hand two or three times to make stitch form on the stitch finger.
(2) Ending of sewing Sew off the material forming a chain to prevent the thread from untying and to prepare for the next sewing. — Draw the finished fabric gently backwards and to the left as the machine is operating and make chain-stitches. This is called chain-stitch sewing.
4-5. Thread Tension Chart ‘N.N. THREAD Left Needle Right Needle Upper Lower N TENSION Looper Loope N.. II1 1II STITCH CUTTING PATTERN’N C>IH t>Il4I II! STITCHES [LJ LJ [J LENGTH WIDTH OVERLOCK 4 4 4 4 2.5-5 mm 5-6 mm ROLLED Ffl(F — 4 A 0 FINE ROLLED EDGE — 4 4 4 1-1.
4-6. Thread Tension Adjustment Set the balance of the tension as weak as possible. To tighten the tension, turn tension dial to a higher number. To loosen the tension, turn tension dial to a lower number.
C C CD - . . D a a - T. zT CD — - (D? CD CD -‘0 CD . . - CD 0. — — 0-’ 0 3_ 0 a_ 0 o_ — CD0 — — — 0 (P - 0 0 - U) U) CD - .. C.) 0.CD oO.
5. ADJUSTING BALANCE OF STITCH WIDTH AND CUTTING WIDTH • Adjust the cutting width from 5.2 (0.2”) to 7.0mm (0.28”) according to the kind of material. • The standard cutting width is 5.5mm (0.21 “). • Open the front cover to adjust the cutting width.
7. DIFFERENTIAL FEED Differential feed prevents stretching or puckering fabrics, since two independent feed dogs, one in front and one behind the needles, can be adjusted to feed at different ratio. This function produces a neat finish of overlock for stretchable and lightweight fabrics.
8. CORDED OVERLOCK Corded overlock can be used tc strengthen and stabilize stitches when joining elastic materials such as knitted fabrics. There are two ways of corded overlock. (1) Place the narrow cord (about 3mm) into the hole in the foot and back under the foot, then sew with the right needle stitching through the cord.
10. THREE THREAD OVERLOCK STITCH USING 1 NEEDLE Though this machine is made mainly for 4 thread stitch overlock using 2 needles. To sew three-thread stitch overlock using 1 needle simply remove 1 needle.
11. ROLLED EDGE Rolled edge is achieved by rolling the fabric and ideal for use with thin materials. (1) Remove the left needle. (Sew only with the right needle> (2) Pull stitch finger knob toward you to align it with front red line on needle plate.
12. PIN TUCKS Pin tucks are overlocked on the edge. So as to avoid cutting the fabric, raise the upper cutter. Pin tucking is suited to the design of a child’s clothing and a lady’s blouse. (1) Remove the left or right needle for your desired pintuck width.
13. REPLACING LOWER CUTTER Replacing Lower Cutter * Unplug the machine (1) Open front cover and disengage upper cutter. (‘See page 3) (2) Loosen lower cutter clamp screw®and remove lower cutter. (3) Set the new lower cutter. Align the top of lower cutter with the top of needle plate, and tighten lower cutter clamp screw a 14.
CLEANING First disconnect machine from power supply by removing plug from the electric outlet. 1. Open front cover and side cover. (See Page 3) 2. Using the brush provided, remove all the dust and lint that has accumulated.
16. ACCESSORIES Screw drivers Lower cutter (large) (small) Tweezers Net (anti-spill sleeves) Cleaning brush Vinyl cover Oiler Spool Adapter Needles plastic sheath HAx1 (SCHMETZ —ZE #11.
17. TABLE OF SEWING MATERIALS, NEEDLES AND THREADS Thin material Medium to thick Thick material (crepe, georgette) material (thick denim) (Serge, gabardine, etcj HA xl Needle (SCHMETZ #11 #11 #14 #14 .
18 PROBLEM SOLVING Under normal conditions, if you carefully follow instruction for operating, no difficult or special adjustment is wgcrenure of machine.
19. SPECIFICATIONS Number of threads 4 Threads (3 threads) Number of needles 2 Needles (1 needle) Needles Standard HAx1 #11 #14 (SCHMETZ 1301705H NO: 75—90) Width between two needles 2mm Overlock width Standard 5.5 mm (Range 5.2 7 mm) Stitch length 1 5mm Differential feed ratio 1: O.
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17-8—L.LI—6000L9 L.
An important point after buying a device White 634D (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought White 634D 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 White 634D - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, White 634D you will learn all the available features of the product, as well as information on its operation. The information that you get White 634D will certainly help you make a decision on the purchase.
If you already are a holder of White 634D, 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 White 634D.
However, one of the most important roles played by the user manual is to help in solving problems with White 634D. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device White 634D 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
