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Instruction Manual
SUPPER HIGH SPEED OVERLOCK MACHINE
SUPPER HIGH SPEED SAFETY STITCH MACHINE
AZ7000SDR-8
AZ7020SDR-8,AZ7025SDR-8,AZ7120SDR-8,AZ7125SDR-8
AZ7500SDR-8
AZ7500SDR-31,AZ7520SDR-31,AZR7525SDR-31
AZ7000SDR-8,AZ7003SDR-8,AZ7016SDR-8
AZ7500SDR-8,AZ7520SDR-8,AZ7525SDR-8
class
class
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Summary of Contents for Yamato AZ7000SDR-8
- Page 1 AZ7500SDR-8,AZ7520SDR-8,AZ7525SDR-8 AZ7500SDR-31,AZ7520SDR-31,AZR7525SDR-31 Thank you for purchasing the AZ7000SDR-8 and AZ7500SDR-8 class. Before using your AZ7000SDR-8 and AZ7500SDR-8 class, please read the instruction manual and understand the contents well. After reading the instruction manual, please keep it in a location where it is easily accessible...
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Page 2: Table Of Contents
CONTENTS SAFETY INSTRUCTIONS ⅰ－ⅵ 1. Name of each part 2. Installation Semi-submerged type 2.1.1 Table cutting diagram 2.1.2 Installation Fully-submerged type 2.2.1 Table cutting diagram 2.2.2 Table cutting diagram for fully-submerged type with device 2.2.3 Installation Motor, pulley and belt Hanging belt Belt cover Eye guard and finger guard... - Page 3 Back and forth position of upper looper 6.9.8 Timing relation between lower looper and upper looper 6.10 Needle and double chaining looper 6.11 Needle and needle guards for AZ7000SDR-8 6.11.1 Needle and needle guard(rear) 6.11.2 Needle and needle guard(front) 6.12 Needle and needle guards for AZ7500SDR-8 6.12.1...
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Page 4: Safety Instructions
SAFETY INSTRUCTIONS 1. Safety Instruction The sewing machine, automatic machine, and attachments (collectively called “the machine” below) involve sewing operations that require the operator to be near moving parts of the machine. Because of this, there is always a potential danger of unintentional contact with the moving parts. For this reason, the operators who actually use the machine and the maintenance staff who perform maintenance and repair must carefully read “2. - Page 5 As dew condensation may occur when suddenly personal injury or death. Yamato assumes no bringing the machine from a cold environment responsibility for damages or personal injury...
- Page 6 SAFETY INSTRUCTINONS WARNING 2.6 Items for which the power to the machine Disposal of the machine waste has to be turned off The proper disposal of the machine waste is the Be sure to immediately turn the power off if responsibility of the customer, and must be any abnormality or failure is found or in the disposed of in accordance with the locally valid...
- Page 7 Use “Yamato SF oil 28” as specified. while operating. If machine oil gets in your eyes, it may Securely join the table and legs to ensure cause eye inflammation.
- Page 8 3.5 During operation accidents caused by such modification. ○ Be sure to operate the sewing machine using ○ Use genuine Yamato parts when repairing the the safeguards such as belt cover, finger machine and/or replacing the parts. We are guard, and eye guard.
- Page 9 SAFETY INSTRUCTINONS 5. Safety devices and warning label affixing locations Belt cover Finger guard The belt cover prevents entanglement with the The finger guard prevents the operator’s fingers belt. from going under the needle. However, there is some space at the top of the finger guard Do not operate with the cover removed.
- Page 10 Description : Industrial sewing machine Function : Make stitches and sew Applied harmonized standards in particular : EN ISO12100-1, EN ISO 12100-2, EN ISO10821, EN 60204-31 Manufacturer : YAMATO SEWING MACHINE MFG. CO., LTD. 2-10-3 Hotarugaike Minami-machi Toyonaka Osaka Japan...
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Page 11: Name Of Each Part
Name of each part Oil cap Thread tension spring cap Presser foot release lever SP device (behind Eyeguard) Cloth plate Eye guard Front cover Finger guard Oil reservoir Drain hole screw Presser foot Fig. 1-1 AZ7000SDR-8, 7500SDR-8... -
Page 12: Installation
Installation 2.1 Semi-submerged type 2.1.1 Table cutting diagram Fig. 2-1 AZ7000SDR-8, 7500SDR-8... -
Page 13: Installation
⑦ chute Table 1 The number of spacers ① and ② rubber ① cushion thickness of pcs. of ① pcs. of ② table ② 40㎜ 45㎜ not necessary ④ Size of spacers : ①=15㎜ ②=5㎜ Fig. 2-3 AZ7000SDR-8, 7500SDR-8... -
Page 14: Fully-Submerged Type
2. Installation 2.2 Fully-submerged type 2.2.1 Table cutting diagram Fig. 2-4 AZ7000SDR-8, 7500SDR-8... - Page 15 Note) Indication of magnet and magnet catch plate can be referred to 注） マグネッ ト、 受座の表示は、 マグネッ トキャッチを組付ける参考位置である。 installation position of magnetic catch. 参考)マグネッ トキャッチ スガツネ工業(株)製 JM-63G-15 及び受座 AS-68 等 Ref. ) Magnetic catch JM-63G-15 and magnetic catch plate AS-68 made by SUGATSUNE KOGYO Co. Ltd. Fig. 2-5 AZ7000SDR-8, 7500SDR-8...
- Page 16 To set up a machine with device, install the device with below dimensions and refer to “2.2. 1 Table cutting diagram” (Fig. 2-4, 2-5). AZ7500SDR-8 class with K1 device AZ7000SDR-8 class with K2 device AZ7000SDR-8, AZ7500SDR-8 classes AZ7000SDR-8, AZ7500SDR-8 classes...
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Page 17: Installation
① machine table ② supporting board ④ supporting board rubber cushion ③ supporting board connector chute ⑥ Fig. 2-7 ① ③ supporting board connector ⑤ supplementary chute cover rubber cushion ② ③ Fig. 2-8 AZ7000SDR-8, 7500SDR-8... -
Page 18: Motor, Pulley And Belt
3600 rpm 6000 Outside diameter Usual sewing speed ×48.5 + 5 mm 6200 of motor pulley Servomotor speed 6500 6700 Belt 7000 Use a V-belt of M type. 7200 For belt size, refer to Table 2. 7500 Table 3 AZ7000SDR-8, 7500SDR-8... -
Page 19: Hanging Belt
(2) Install the belt cover ⑥ as shown in the figure. ⑥ Fig. 2-11 2.6 Eye guard and finger guard To ensure safe use, ALWAYS install the eye guard ⑦ and the finger guard ⑧ on the prescribed position dur- ing operation. ⑧ ⑦ Fig. 2-12 Fig. 2-13 AZ7000SDR-8, 7500SDR-8... -
Page 20: Sewing Speed And Rotating Direction Of Pulley
Fig. 3-1 If rotating in reverse direction, oil can not be supplied properly. It can cause the machine to damage. max sewing m o d e l speed（sti/min） 7500 AZ7000SDR-8 class AZ7120SDR-8 class 7000 7500 AZ7500SDR-8 class 7000 AZ7500SDR-31,AZ7520SDR-31 class... -
Page 21: Lubrication 1
Lubrication 4.1 Lubricating oil Use YAMATO SF OIL No. 28. NEVER add additives to the oil. If added, it can cause the deterioration of the oil and the damage to the machine. 4.2 Lubricating When using a new machine or a machine which has not been run for a while, supply few drops of oil to the needle bar ①... -
Page 22: Changing Oil
◆ If the oil splashes from the nozzle insufficiently or in- cludes many bubbles even though oil is sufficiently kept, check or replace the oil filter. � ④ Be careful the oil may spill out from the oil filter ②, Fig. 4-6 when loosening the screw ④． AZ7000SDR-8, 7500SDR-8... -
Page 23: Proper Operation
(4) Tighten the screw ① with the minus screw driver. front ● Accessories include the minus screw driver. AZ7020SDR-8 AZ7500SDR-8 The tightening torque of the screw ① is 0.6 N･m. Fig. 5-1 OK! Fig. 5-2 Fig. 5-3 AZ7000SDR-8, 7500SDR-8... -
Page 24: Adjusting Thread Tension
Threading correctly by referring to the threading figure loosen which is attached on the back of the front cover. tighten ⑥ Improper threading can cause thread breakage, skip open the cloth plate stitch, and uneven stitch. Fig. 5-6 AZ7500SDR-8/-31，AZ7520SDR-8/-31 AZ7000SDR-8, 7500SDR-8... -
Page 25: Pressure Of Presser Foot
③. ④ Then, release the lever. ⑤ Fig. 5-8 Make sure that the presser arm ④ gets into the groove of the presser bar ⑤. If not, it can cause breakage to parts and injuries. AZ7000SDR-8, 7500SDR-8... -
Page 26: Opening Cover
Differential ratio up to 1:0.6 to 1:2 or 1:1 to 1:3 is avail- able by internal adjusting mechanism respectively. Adjust the graduation, differential ratio, and max. stitch Fig. 5-10 length according to Table 7. differential max. stitch graduation ratio length ( ㎜ ) 1:0.7 1:1.6 1:2.3 Table 7 AZ7000SDR-8, 7500SDR-8... -
Page 27: Adjusting Stitch Length
Check that push button is released completely and the Fig. 5-12 pulley rotates smoothly. model stitch length (㎜) AZ7000SDR-8 class The adjustable range of the stitch length is shown in Table AZ7500SDR-8 class 1～4 ( except for below） Table 9 shows the number of stitches per inch (25.4 mm) AZ7016SDR-8 0.6～2... -
Page 28: Passing Tape
Check the oil amount in SP tank ②. If not enough, supply ⑤ the oil into the hole ③. Open the oil container plug ⑤ of HR device and check the oil amount. If not enough, supply the oil. Fig. 5-15 HR device AZ7000SDR-8, 7500SDR-8... -
Page 29: Cleaning The Machine
◆ adjusting knives and thread tension Weekly maintenance: (1) On weekends, clean the machine carefully after remov- ing the presser foot and the stitch plate. (2) Check the tension of V-belt. (3) Check and supply the lubricating oil. AZ7000SDR-8, 7500SDR-8... -
Page 30: Adjustment Of Sewing Machine
● To loosen the needle thread tension, move the nee- dle thread eyelet and the needle thread pull-off in the direction “L”. ● To tighten the needle thread tension, move them in Fig. 6-1 the direction “T”. Ｌ Ｔ ⑤ ④ ⑥ ⑦ ④ Fig. 6-2 AZ7000SDR-8, 7500SDR-8... -
Page 31: Looper Thread Tension For Overlock Stitch
Tighten it with the screw at the center of the slot. ● To tighten the thread tension, move each thread eyelet or thread pull-off in the direction “T”. ● To loosen the thread tension, move them in the direction “L”. AZ7000SDR-8, 7500SDR-8... -
Page 32: Needle Thread Tension For Double Chainstitch
● To loosen the needle thread tension, move the nee- dle thread eyelet and the needle thread pull-off in ⑤ the direction “L”. ⑥ ⑦ ● To tighten the needle thread tension, move them in the direction “T”. ⑧ ⑤ ⑦ Fig. 6-5 AZ7000SDR-8, 7500SDR-8... -
Page 33: Looper Thread Tension For Double Chainstitch
Set the thread retaining finger in the center of double looper thread take-ups when tightening the screw of it. AZ7000SDR-8, 7500SDR-8... -
Page 34: Width Of Overedge Seam
DR-Y5-8 is 5 to 5.5mm. 3. Dust clogged at the connecting part of the upper knife holder changes the installing angle of the knives. It will make them cut badly. Be sure to clean the parts by loosening the screw ③. AZ7000SDR-8, 7500SDR-8... -
Page 35: Upper And Lower Knives
6.6.3 Height of upper knife (angled type) ⑥ Loosen the screw ⑦ and apply the upper knife ⑤ to the stopper ⑥ fully. It makes the height automatically. ⑦ Then tighten the screw ⑦ securely. ⑤ Fig. 6-11 AZ7000SDR-8, 7500SDR-8... - Page 36 The upper knife made of super hard alloy is unnecessary to re-sharpen for about one year and normal grinder is not useful for re-sharpening it. Keep another upper knife for spare. If needed, contact us directly or a dealer for re-sharpen- ing. Fig. 6-13 AZ7000SDR-8, 7500SDR-8...
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Page 37: Height Of Feed Dogs
① � 1. Be sure to make no difference of installing height be- Fig. 6-15 AZ7000SDR-8 class tween the main feed dog ③ and the differential feed dog ①. If different, it can cause the unstable feeding ⑤ and feed scratch mark. -
Page 38: Tilt Of Feed Dog
Move the feed bar block (rear) lid ③ to make adjustment. ● To tilt the feed dog forward down , move it up. ● To tilt the feed dog forward up, move it down. ① Fig. 6-17 ② ③ forward down forward up Fig. 6-18 AZ7000SDR-8, 7500SDR-8... -
Page 39: Needles And Loopers
(4) Loosen the screw ④ and adjust the needle bar while moving it up and down. ③ When the needle bar is at the highest point, make the ④ height “N” from the top of the stitch plate to the needle tip in Table 11. Fig. 6-19 AZ7000SDR-8, 7500SDR-8... -
Page 40: Installing Angle Of Lower Looper
① AZ7120SDR-8 class ） 2～4° 1.5 mm 3-needle safety stitch machine （ AZ7520SDR-8/-31 class) 1-needle overlock machine Fig. 6-21 ( AZ7000SDR-8 class ） 0.5 - 2～3° 2-needle safety stitch machine 1.0 mm （ AZ7500SDR-8/-31 class ) ① Table 12 3.3-3.8㎜... -
Page 41: Parallel Of Needles
④ needle and the lower looper, then tighten screw ④ in Fig. 6-25. ② 4. Apply the liquid packing to the thread of the screw Fig. 6-25 when tightening it. AZ7000SDR-8, 7500SDR-8... -
Page 42: Back And Forth Position Of Lower Looper
6.Adjustment of sewing machine 6.9.5 Back and forth position of lower looper 1-needle overlock stitch on AZ7000SDR-8 and 0 - 0.03 ㎜ AZ7500SDR-8 classes: Adjust so that the lower looper ① tip touches the needle ① and bends it by no more than 0.03 mm when the lower looper ①... -
Page 43: Distance Between Needle And Upper Looper
① Loosen the screw ⑦ to make the clearance between the ① back side of the upper looper ① and the needle to 0.05 to 0.1 mm. Fig. 6-31 AZ7000SDR-8, 7500SDR-8... -
Page 44: Back And Forth Position Of Upper Looper
Fig. 6-34 the looper and let them touch each other slightly when the looper moves from the right to the left (the needle goes down at the back of looper). about 6° 1.6 - 1.8 ㎜ Fig. 6-35 AZ7000SDR-8, 7500SDR-8... -
Page 45: Needle And Needle Guards For Az7000Sdr-8
6.Adjustment of sewing machine 6.11 Needle and needle guards for AZ7000SDR-8 class 6.11.1 Needle and needle guard (rear) This machine is equipped with a movable needle guard (rear) ① that is interlocked with the lower looper. The needle guard (rear) ① holds the needle from the rear... -
Page 46: Needle And Needle Guards For Az7500Sdr-8
AZ7520SDR-8 right needle 0 ㎜ AZ7525SDR-8 In the case of a 2-needle machine, the clearance between 0.05 - the right needle and needle guard (front) ③ is 0.05 to 0.1 0.1 ㎜ ③ ④ Fig. 6-41 AZ7000SDR-8, 7500SDR-8... -
Page 47: Needle And Needle Guard For Double Chain Stitch
To set back and forth position, adjust the clearance be- ⑤ tween needle drop of the presser foot and that of the stitch plate to 0.2 to 0.3 mm as shown in Fig. 6-43. Loosen the screw ⑤ to make adjustment. Fig. 6-43 AZ7000SDR-8, 7500SDR-8... -
Page 48: Sc10 Device
For high speed and less dust during sewing, insert the air deflector ① into the guides ②④. (See Fig. 7-3) When not using SC10 device, remove the air deflector ①. standard setting Fig. 7-2 ① ② ④ Fig. 7-3 AZ7000SDR-8, 7500SDR-8... -
Page 49: Installation
(1) Install the blowing hole screen ⑥ on the oil reservoir ⑥ ①. (2) Install the wind guide plate (front) ⑦ on the oil reser- ① voir ① while pressing the blowing hole screen ⑥ with two screws ⑧. ⑦ ⑧ Fig. 7-6 AZ7000SDR-8, 7500SDR-8... - Page 50 (3) Connect the lint removal pipe ① to the pipe from the ① lint collecting device. ② � Suction is not enough when connecting another device to ③ one lint collecting device for SC10. When using ventilation, air pressure should be 0.2 MPa or more. Fig. 7-7 AZ7000SDR-8, 7500SDR-8...
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Page 51: K2 Device
Supply with few drops of oil into the oil supply pipe ⑧ by hand once two weeks. ⑧ Too much oil can cause oil stain. If insufficient, it can cause unsharpness of the blades of the knives. Fig. 8-4 AZ7000SDR-8, 7500SDR-8... -
Page 52: Specifications
Specifications 9.1 AZ7000SDR-8 class AZ7020SDR-8 AZ7120SDR-8 AZ7000SDR-8 AZ7003SDR-8 AZ7016SDR-8 Model AZ7025SDR-8 AZ7125SDR-8 Dimensions 380 （L） × 245 （W） × 310 （H) mm 26.5 kg Weight Construction Dust-proof, Oil-tight and completely sealed Stitch Type 504、 514 （ ISO standard ) overlock stitch for... -
Page 53: Az7500Sdr-8 Class
Knives for Fabric Lower Knife : Flat type, made of special steel Cutting Upper Knife : Flat type or Angled type, made of super hard alloy Lubrication Oil YAMATO SF OIL No.28 Capacity or Oil 900 ml Reservoir Lubrication Oil is fed forcedly by trochoid pump... - Page 56 4 - 4 - 12, NISHITENMA, KITA-KU, OSAKA, JAPAN 530-0047 TEL：81-6-6364-5621 FAX：81-6-6364-7185 〒５３０－００４７ 大阪市北区西天満 4 丁目 4 番１2 号 TEL（０６）６３６４-５６２ １ （代） FAX（０６）６３６４-７ １ ８５ P/N 9720392( I ) No. 1 Edited in 2013.6 Printed in China 2013.6 （AZ7000SDR-8,7500SDR-8-1)
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