Related Manuals for Seiko SKZ-2B
Summary of Contents for Seiko SKZ-2B
- Page 1 INSTRUCTION MANUAL SKZ-2B SKZ-2B-3 SKZ-6B, SKZ-6B-3 SKZ-6BR, SKZ-6BR-3 SEIKO SEWING MACHINE CO., LTD.
- Page 2 Thank you very much for buying a SEIKO sewing machine. Before using your new machine, please read the safety instructions below and the explanations given in the instruction manual. With industrial sewing machines, it is normal to carry out work while positioned directly in front of moving parts such as the needle and thread take-up lever, and consequently there is always a danger of injury that can be caused by these parts.
- Page 3 ・If the machine develops a problem, contact your nearest SEIKO dealer or a qualified tech - inertia. Wait until the motor stops fully before starting work.
- Page 4 If only one hand is used, the weight of the machine head may cause your hand to slip, and your hand may get ・Ask your SEIKO dealer or a qualified elec- caught. trician to carry out any maintenance and inspection of the electrical system.
- Page 5 CAUTION Don't hit the hook retaining bracket and the feed rock shaft against the thing of the outside strongly, when you move a sewing machine for the installation and the check. They may break by the shock. ⅳ...
- Page 6 * The following warning labels appear on the sewing machine. Please follow the instructions on the labels at all times when using the machine. If the labels have been removed or are difficult to read, please contact your nearest SEIKO dealer. ①...
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Page 7: Table Of Contents
CONTENTS 1. MAIN PARTS NAMES ………………………………………………………………… 2. SPECIFICATIONS …………………………………………………………………… 3. WORK TABLE AND MOTOR ………………………………………………………… 4. INSTALLATION ……………………………………………………………………… 4.1 Installing the hinge rubber cushion and the corner rubber cushion ………… 4.2 Installing the oil pan …………………………………………………………… 4.3 Installing the machine head ………………………………………………………... -
Page 8: Main Parts Names
1. MAIN PARTS NAMES... -
Page 9: Specifications
2. SPECIFICATIONS SKZ-2B SKZ-2B-3 Variety 1-step (2-point) 2-step (3-point) Step (point) Single needle Number of needle 1000 s.p.m. Max. sewing speed* 19/64" (7.5 mm) Max. stitch length 0 to 1/2" (0 to 12.7 mm) Stitch width 19/32" (15 mm) by knee Clearance under presser foot 11/32"... -
Page 10: Work Table And Motor
3. WORK TABLE AND MOTOR ■ Work table ・When using a table made by another manufacturer, drill holes in the table as shown in the figure below. ・The top of the table should be 40mm in thickness and should be strong enough to hold the weight and withstand the vibration of sewing machine. -
Page 11: Installation
・Ask your SEIKO dealer or a qualified electrician for any electrical work that may ed by mistake, which could result in injury. ・Be sure to connect the ground. If the... -
Page 12: Installing The Machine Head
4.3 Installing the machine head 1. Insert the two hinge connections ① into the holes in the machine bed. 2. Fit the hinge connection ① to the hinge rubber cushion ② and then place the machine head onto the corner rubber cushion ③. 3. -
Page 13: Installing The V-Belt
4.5 Installing the V-belt 1. Remove the screws ① (4pcs.) and the belt guard side cover ②. 2. Remove the screw ⑤ and the washer ⑥, and then place the V-belt③ onto the machine pulley. 3. Tilt back the machine head, and then place the V-belt ③ onto the motor pulley. 4. -
Page 14: Installing The Bobbin Winder
4.6 Installing the bobbin winder 1. Push down the bobbin set lever ① as far as it will 2. Place the bobbin winder pulley ② so that it pushes the V-belt ③ by approximately 5 mm, and then place the bobbin winder ④ so that it is parallel with the belt hole in the work table. -
Page 15: Installing The Auxiliary Belt Guard
4.7 Installing the auxiliary belt guard Move the auxiliary belt guard ① from behind as shown in the illustration and tighten it to the belt guard side cover ② with the thumbscrew ③. Also, tighten it to the table with two wood screws ④ and two washers ⑤. -
Page 16: Checking The Machine Pulley Rotating Direction
4.9 Checking the machine pulley rotating direction CAUTION ・Do not touch any of the moving parts or place any objects against the machine while sewing, as this may result in personal injury or damage to the machine. 1. Insert the power cord plug into the wall outlet, and then turn on the power switch. -
Page 17: Lubrication
5. LUBRICATION CAUTION ・Do not connect the power cord until lubrication has been completed, otherwise the machine may operate if the treadle is pressed by mistake, which could result in injury. ・Be sure to wear protective goggles and gloves when handling the lubricating oil, so that no oil gets into your eyes or onto your skin, otherwise inflammation can result. -
Page 20: Preparation Before Sewing
6. PREPARATION BEFORE SEWING 6.1 Installing the needle CAUTION ・Turn off the power switch before installing the needle. The motor will keep turning even after the power is switched off as a result of the motor's inertia. Wait until the motor stops fully before starting work. -
Page 21: Removing The Bobbin Case And The Bobbin
6.2 Removing the bobbin case and the bobbin ・Turn off the power supply before removing the bobbin case and the bobbin. The motor will keep turning even after the power is switched off as a result of the motor's inertia. Wait until the motor stops fully before starting work. -
Page 22: Installing The Bobbin Case
6.4 Installing the bobbin case CAUTION ・Turn off the power supply before installing the bobbin case. The motor will keep turning even after the power is switched off as a result of the motor's inertia. Wait until the motor stops fully before starting work. -
Page 23: Threading The Upper Thread
6.5 Threading the upper thread CAUTION ・Turn off the power supply before threading the upper thread. The motor will keep turning even after the power is switched off as a result of the motor's inertia. Wait until the motor stops fully before starting work. -
Page 24: Sewing
7. SEWING CAUTION ・Attach all safety devices before using the sewing machine. If the machine is used without these devices attached, injury may result. ・Turn off the power switch at the following times. The motor will keep turning even after the power is switched off as a result of the motor's inertia. -
Page 25: Backtacking
7.2 Backtacking When the feed reversing lever ① is pushed, the material feed direction will be reversed, and when it is returned to its original position, the feed direction will change back to normal. 7.3 Adjusting the stitch length While pushing the feed regulating push button ①, turn the machine pulley slowly forward so that the feed regulating push button ①... -
Page 26: Adjusting The Stitch Width
7.4 Adjusting the stitch width 1. Loosen the screw ② by hexagonal wrench ③． 2. Move the zigzag connection ① up or down. Stich width becomes narrow when moving it up, and sticth width becomes wide when moving it down. 3. -
Page 27: Adjusting The Thread Tension
7.5 Adjusting the thread tension ■ Upper thread tension 1. The tension of the upper thread is adjusted using upper tension thumb nuts ①. To increase the tension of the upper thread, turn the tension thumb nuts ① clockwise. To decrease tension, turn the tension thumb nuts ① counter-clockwise. -
Page 28: Adjusting The Foot Pressure
7.6 Adjusting the foot pressure Adjust the foot pressure weakly as much as possible so that the presser foot can properly hold down material by turning the screw ①. ・To increase, turn the screw ① clockwise. ・To decrease, turn the screw ① counter-clockwise. -
Page 29: Standard Adjustments
・Ask your SEIKO dealer or qualified electrician operate if the treadle is pressed by mistake, to carry out any maintenance and inspection which could result in injury. -
Page 30: Adjusting The Height Of The Needle
8.2 Adjusting the height of the needle Set the stitch width to the maximum setting, and adjust in the position when the needle comes to the left. 1. Turn the machine pulley toward you so as to fit the left edge of the needle ① to the hook point ②. 2. -
Page 31: Adjusting The Clearance Between The Needle And The Hook
8.3 Adjusting the clearance between the needle and the hook ■ Adjusting the clearance between the needle and the hook 1. Turn the machine pulley toward you so as to fit the center of the needle ① to the hook point ②. 2. -
Page 32: Adjusting The Height Of The Feed Dog
8.4 Adjusting the height of the feed dog The standard height, when the feed dog ② is at its highest position above the throat plate ① is 1.4mm. 1. Tilt back the machine head, and turn the machine pulley to set the feed dog ① to its highest position. 2. -
Page 33: Adjusting The Feed Dog Position
8.6 Adjusting the position of the feed dog 1. Set the feed amount to the maximum. (Refer to "7.3 Adjusting the stitch length") 2. Turn the machine pulley, and adjust so that the clearance A & B between the throat plate ① and the feed dog ②... -
Page 34: Adjusting The Up And Down Travel Of The Feeder
8.8 Adjusting the up and down travel of the feeder The adjustment of the up and down travel of the feeder against its back and forth travel is made so that the teeth of the feed dog rise to the highest point at the middle position, when feeding travel is the largest. -
Page 35: Adjusting The Height Of The Presser Foot
2. Loosen the screws ② (2pcs.), and adjust the presser foot ③ up or down as suitable work. ・The standard height between the presser foot ③ and the surface of throat plate ④ is 9±0.3mm SKZ-2B, 10±0.3mm ＳＫＺ-6Ｂ when lift the presser foot lifting lever ①. 3. Tighten the screws ② (2pcs.) -
Page 36: Adjusting The Swing Position Of The Needle
8.11. Adjusting the swing position of the needle Adjust for the needle to swing from side to side in the highest position. ＜SKZ-2B, -6B: 1-step (2-point)＞ Loosen the two screws ③, and adjust the swing position of the needle by turning the zigzag eccentric ②. -
Page 37: Adjusting The Puller Feed Amount (Skz-6Br, 6Br-3)
8.12 Adjusting the puller feed amount (SKZ-6BR, 6BR-3) Adjust Puller feeding amount so that sewing object is fed without slack. 1. Tilt Machine head, and adjust position of Feed connecting link ① located under bed. 2. Loosen Nut ②, and move position of Pin screw ③... -
Page 38: Troubleshooting
・ Please check the following points before calling for repairs or service. ・ If the following suggestions do not solve the problem, turn off the machine power supply and contact your nearest SEIKO dealer. CAUTION ・Turn off the power switch and disconnect the power cord before carrying out troubleshooting, otherwise the machine will operate if the treadle is pressed by mistake, which could result in injury. - Page 39 Problem Possible cause Page ・Is there too much thread wound onto the bobbin? The bobbin-winding amount should not be more than 80%. ・Is the bobbin-winding tension too strong or too weak? Wind the thread onto the bobbin at an appropriate tension. ・Is the bobbin turning smoothly? Pull out the lower thread to check the turning of the bobbin, and replace the bobbin if necessary.
- Page 40 Problem Possible cause Page 5. Skipped stitches ・Is the needle tip bent? Is the needle tip blunt? occur while sewing If the needle tip is bent or broken, replace the needle. ・Is the needle properly installed? If it is incorrect, install the needle correctly. ・Is the needle too thin or too thick for the thread? Replace with a needle that is suitable for the thread.
- Page 41 Problem Possible cause Page 7. Upper thread breaks ・Is the needle bent or is the needle tip broken? Replace the needle if it is bent or broken ・Is the needle scratched? Replace the needle. ・Is the needle properly installed? If it is incorrect, install the needle correctly. ・Is the needle too thin or too thick for the thread? Replace with a needle that is suitable for the thread.
- Page 42 Problem Possible cause Page 8. Needle breaks ・Is the material being pushed or pulled with excessive force during sewing? ・Is the needle properly installed? If it is incorrect, install the needle correctly. ・Is the needle bent, is the needle tip broken, or is the needle hole blocked? Replace the needle.
- Page 44 SEIKO SEWING MACHINE CO., LTD. 2-13-6 Sakaecho,Funabashi-shi Chiba Prefecture, 273-0018, Japan TEL: 81-47-420-3561(Overseas dept.) FAX: 81-47-420-3560 https://www.seiko-sewing.co.jp/en E-mail: exsales@seiko-sewing.co.jp Parts No. IM31403 (0122) Rev. 4.3...
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