Group, Inc: BAG SEWING MACHINE HEAD IDEAL FOR P.P. CONTAINER BAG DD-7 DD-7N Pn © INSTRUCTION MANUAL/ PARTS YSS GROUP, INC. YSS 7 )L—-FRASHzINSTRUCTIONS FOR DD-5 Heavy Duty Sewing Machine PREFACE This manual has been prepared to guide you while operating DD-5 heavy duty sewing machine and arranged to simplify ordering wear and spare parts This manual explains in detail the proper settings for operation of the machines. llustrations are Used to show the adjustments and reference letters are used to point out specific items discussed Careful attention to the instructions and cautions for operating and adjusting these machines will enable you to maintain the superior performance and reliability designed and built into evety YSS Group, inc. heavy duty sewing machine. Adjustments and cautions are presented in sequence so that a logical progression is accomplished. Some adjustments performed out of sequence may have an adverse effect on the function of the other related parts This manual has been comprised on the basis of available information. Changes in design and / or improvements may incorporate a slight modification of configuration in illustrations or cautions, On the following pages will be found illustrations and terminology used in describing the instructions and the parts for your machine. In addition to the instructions and to the mandatory rules and regulations for accident prevention ‘and environmental protection in the country and place of use of the machine | unit, the generally Fecognized technical rules for safe and proper working must also be observed The instructions are to be supplemented by the respective national rules and regulations for accident prevention and environmental protection,‘TABLE OF CONTENTS PREFACE INSTRUCTIONS OF MACHINE SAFETY RULES INSTALLING THE MOTOR CONNECTING THE CLUTCH LEVER TO THE PEDAL INSTALLING THE BELT PROTECTION COVER TRIAL RUN ROTATING SHUTTLE OIL AMOUNT ADJUSTMENT INSTALLING THE NEEDLE COORDINATION AMONG THE NEEDLE, THE THREAD AND THE MATERIAL ‘THREADING THE NEEDLE THREAD ‘SETTING THE STITCH LENGTH AND CONTROLLING THE REVERSE SEWING THREAD TAKE-UP COMPONENTS OILING ADJUSTING THE PRESSURE OF PRESSER FOOT ADJUST THE THREAD AND TENSION ‘ADJUST THE THREAD TAKE-UP SPRING ‘ADJUSTING THE TENSION OF NEEDLE THREAD & BOBBIN THREAD TIMING BETWEEN THE NEEDLE AND THE ROTATING SHUTTLE REMOVING AND INSTALLING THE ROTATING SHUTTLE INSTALLING FEED D0G ‘ADJUSTING THE FLAT SURFACE OF FEED DOG ADJUSTING THE STITCH SPACE ERROR TIMING BETWEEN THE NEEDLE AND FEED DOG. ADJUSTING THE TENSION RELEASING MECHANISM ADJUSTING PRESSER BAR CROSS LIFTING MECHANISM ADJUSTING UPPER FEEDING MECHANISM ADJUSTING TOTAL LIFTING HEIGHT OF ALTERNATING AND PRESSER FOOT ADJUSTING THE FRONT AND BACK CLEARNESS OF THE ALTERNATING AND PRESSER FOOT PERIODICAL CLEANING. FLAT VIEW OF COMPLETE SET ORDERING WEAR AND SPARE PARTS PARTS MANUAL, MISCELLANEOUS COVERS AND FITTINGS NEEDLE BAR AND UPPER SHAFT UPPER FEED MECHANISM MAINSHAFT FEED REGULATING MECHANISM FEED MECHANISM PRESSER FOOT LIFTER (1/2) KNEE LIFTER (OPTIONAL) OILING PARTS ACCESSORIES Page 1-12 2 12-13 13 13-14 4 4 15 15 15 16 7 18 19-20 21-23 24-26 27-28 29-30 31-33 34-35 36-38 39-40 44-42 43-44INSTRUCTIONS OF MACHINE DD-5 heavy duty sewing machine is designed for seaming heavy weight fabric such as tent, Canvas. upholstery, leather with upper and tower teed and large rotary hook, the fee-formed stiching function make it especially suitable for stitching the flexible intermediate bulk coer oe IBC), PD. Single needle double thread locksttch heavy duty sewing machine with upper and lower feed, large capacity rotary hook and free-formed stitching function ‘Seam Specification: 301 locksttch Stitch Range: 0~ 12.7 mm Needle: DD x 1 #25 Feed: Upper and Lower Needle bar stroke: 60.8 mm Presser foot lift by hand: 12.7 mm, Presser foot lt by pneumatic: 18 mm Lubrication: manual Maximum speed: up fo 1200 stitchesimin., depending on stitch length and speed of conveyor as well as ‘on operation and material ‘SAFETY RULES General operating instructions 1. Before. putting the machine described in this manual into service, carefully read the instructions. The starting of each machine is only permitted after taking notice of the instructions and by qualified operators IMPORTANT! Before putting the machine into service, also read the safety rules and instructions from the motor supplier 2 Observe the national safety rules valid for your country. 3 The machine is only allowed to be used as foreseen. The foreseen use of the particular machine is described in paragraph INSTRUCTIONS OF MACHINES of this instruction manual, ‘Another use, going beyond the description, is not as foreseen. 4 All safety devices must be in position when the machine is ready for work or in ‘operation. Operation of the machine without the appertaining safely devices ts prohibited. 5. Wear safety glasses. 8 In case of machine conversions and changes all valid safety rules. must be considered. Conversions and changes are made at your own tisk7- When doing the folowing machine has to be disconnected trom the power supply by turning off the main switch or by pulling out the main plug 7.1 When threading needle(s), looper, spreader etc 7.2 2 When replacing any parts such as needle(s) presser foot, throat plate, looper, Spreader, feed dog, needle guard, folder, fabric guide ete 7.3.3 When leaving the workplace and when the work place is unattended. 7-4 When doing maintenance work. 7-5 When using clutch motors without actuation lock, wait until motor is stopped totally 8, Maintenance, repair and conversion work (see item 7) must be done only by trained technicians or special skilled personnel under consideration of the instructions Only genuine spare parts approved by YSS GROUP, INC. have to be used for repairs 8. Any work on the electrical equipment must be done by an electrician or under direction ‘and supervision of special skilled personnel 10. Work on parts and equipment under electrical power is not permitted. 11. Before doing maintenance and repair work on the pneumatic equipment, the machine has to be disconnected from the compressed air supply. In case of existing residual air pressure after disconnecting from compressed air supply (e.g. pneumatic equipment with air tank), the pressure has to be removed by bleeding. Exceptions are only allowed for adjusting work and function checks done by special skilled personnel INSTALLING THE MOTOR ‘Align machine balance wheel belt groove (Fig.1, A) with motor pulley belt groove (Fig.1, 8) by ‘moving the motor (Fig.1, C) leftward or rightward. Be sure the belt is not touching with table. a? a =: Fig. 4 Fig. 2CONNECTING THE CLUTH LEVER TO THE PEDAL The optimum angle of pedal with flor is approx. 18 degree. ‘Adjust the clutch of the motor so that clutch lever (Fig.2, C) and draw bar (Fig 2, 8) run in tine The machine would have stable motion and long using he machine balance wheel should rotate comer clockwise for normal sewing when view from opposite side of the balance wheel. The motor rotates in the same direction. The rotation ean we reversed by reversing (turn over 180 deg.) The plug of the motor, ‘Adjust the tension of O-belt (Fig.2, F) by moving the motor vertically. The proper tension of V-belt Is. slack of 10 12mm, INSTALLING THE BELT PROTECTION COVER Interms of safety, the belt protection cover should be installed. (Fig. 3) Fig. 3 Fig.5 Fig.6TRIAL RUN ‘When the machine left out of operation for @ quite long time and used again, remove the red rubber plug on top of the machine head, oil it thoroughly, then lif the presser foot and run at a tow speed of 1000-1800spm, observe the sparing condition through oll window (C). As the lubrication is well Keep the running test at the low speed about 30 minutes, then increase the Speed gracvally. after months running to perfect its performance. Then increase up to roper sewing speed. (Fig.4, 5, 6) ROTATING SHUTTLE OIL AMOUNT ADJUSTMENT ‘The shuttle oil amount can be adjusted by Screw (Fig.7, A). Tum it clockwise ("+") to increase {amount counter-clockwise (’) to decrease. The oil amount is adjusted in the range of five tum of ‘Screw (Fig.7, A): Tightening for more: Loosening for less, ® > *| oe Fig.7 sz a 1 spe B INSTALLING THE NEEDLE b NOTE: Fig (o)insuticient insertion Fig.8 (c) Wrong direction of groove Fig. 8 Tum the balance wheel to lit the needle bar to its highest point, loosen needle set screw, making the needle groove turn to the left side of an operator, fully insert the needle shank up to the bottom of needle socket, then tighten needle set screw. (Fig. 8) COORDINATION AMONG THE NEEDLE, THE THREAD AND THE MATERIAL For needle thread left-hand twist thread should be used and for bobbin thread, both left and right could be used. To identify the handedness of the thread, pinch the thread like Fig, 9 shows: twist the thread with right hand to the direction as the arrow shows, if the strand gets tight with the twist, left-hand twist it is, otherwise right-hand twist DD x 1 type Nm 25 needle should be used ‘The thickness of the needle should be suitable for the materials. I a very thin needle is used to sew heavy duty materials, the needle is easily to be broken, ship stitching and threadbroken could also be resulted. In contrast, if a very thick needle is used, damage might be caused {o the material for the too big needle holes. So suitable needle should be chosen according to the ‘character of threads, Fig. 9 THREADING THE NEEDLE THREAD When threading the needle thread, raise the needle bar to its highest position, lead the thread from the spool and pas it in the order instructed Lead the thread down through the three-eye thread guide on the top (Fig.10, 3). Pass down through the left hole of the thread retainer (Fig.10, 2), then down through the lowest hole of thread retainer (Fig.10, 2). Pass down through between the two tension disc (Fig.10, 3). Pass up through the hook of thread take-up spring (Fig.10, 4), through thread regulator (Fig. 0, 5), through thread guide (Fig. 10, 6) and up through hole of thread take-up lever (Fig.1 0, 7) Down through thread guide (Fig.10, 8-9) and needle bar thread guide (Fig.10, 10), then pass the thread from the left through the eye of needle (Fig. 10, 11), draw out the thread approx. 100mm from the needle eye NOTE: When drawing the bobbin thread, hold the tip of the needle thread by hand, turn the balance wheel to lower the needle bar and then to lift it to its highest position. Pull the needle thread and then the bobbin thread is drawn up. Put the tips of the needle ‘and bobbin thread toward front under the presser foot. SETTING THE STITCH LENGTH AND CONTROLLING THE REVERSE SEWING Stitch length can be set by turning stitch length regulating dial (Fig.11, A). The figures on the stitch length regulation dial plate (Fig. 1, 6) indicate the stitch lengthReverse sewing can be obtained when feed reverse lever (Fig.1 1, C) is depressed and forward Sewing can be restored automatically. When feed reverse lever (Fig. 1, C) is released. Fig. 11 Fig. 12 THREAD TAKE-UP COMPONENTS OILING ‘Thread, needle bar component use soft cotton thread to get oll feeding, Ifthe oil thread lose the ‘ormal feeding facility, the soft oll read is polluted or hardened, please change for new one follow the following instruction Open the face plate, uninstall the pressure screw, nut and the presser bar etc. Uninstall the thread take-up connecting lever hinge axis (Fig.12, A) and thread take-up connecting lever (Fig.12, B. Pull the sof oll thread (Fig.12, C) out ftom the bushing on the needle bar. Loose the two oll thread fixing screws on the (left side) top of machine head put the oil thread fixing plate (Fig 12, D} from the machine head. Change the new soft cotton thread. The installing process isjust opposite the above process. ADJUSTING THE PRESSURE OF PRESSER FOOT Fig. 13, Fig. 14 Pressure on presser foot is to be adjusted in accordance with materials to be sewn. Loosen lock nut (Fig.13, A). If heavy materials to be sewn, turn pressure regulating thumb screw clock wise as shown Fig.13 (a) to increase thepressure. While light materials to be sewn,lum the pressure regulating thumb screw counter clockwise as shown in Fig.13 (b) to decrease the pressure on presser foot. then tighten lock nut (Fig 13, A) The pressure of presser foot is proper as the sewing materials can be fed normally ADJUST THE THREAD TENSION In general, the thread tension is to be adjusted in accordance with material thread and others | practice, the thread tension is adjusted according to the stitches resulted to get the normal stitches, ‘When adjusting the bobbin thread tension, turn bobbin case tension spring screw (Fig 14, A) clock ‘wise for more tension or tum the screw counter clockwise for less tension. It is @ common Practice to check the bobbin thread tension. If the bobbin case falls down slowly the proper tension is obtained ‘The needle thread tension should be adjusted with reference to the bobbin thread tension. The ‘needle thread tension can be range of the tread take up spring tension of tension disc and the position of thread guide, ADJUST THE THREAD TAKE-UP SPRING The normal sewing range of thread take-up spring is 5-Smm. for sewing lightweight materials (short stitch), weaken the spring tension and widen the sewing range of spring, while for Sewing heavy weight materials, strengthen the spring tension and shorten the sewing range of spring. (Fig.15-16) ‘Adjusting the thread take-up spring tension, loosen tension stud set screw (Fig. 15, A). turn tension stud (Fig. 15, 8) clockwise to make the spring get more tension, or turn the tension stud counter more tension, or turn the tension stud counter clockwise to make the spring get less tension, After adjustment, be sure to light tension stud setscrew (Fig.15, A) Fig. 15 Fig. 16 ‘Adjustment the sewing ranges of tread take-up spring loosen set screw (Fig.16. 8). turn tension complete (Fig 16, C) clockwise to increase the sewing range or turn tension complete (Fig. 16. ©)‘The method of adjustment Loose set screw (Fig.16, A) first. Then to turn tension stud (Fig. 16, B) counterclockwise to release the tension of thread take-up spring (Fig.16, C) to zero and to tum tension stud (Fig.16, 8) clockwise unt! spring (Fig.16, C) just comes into contact with the stop slot on the thread take-up spring regulator, then to further turn tension stud (Fig.16, B)counter clockwise by 1/2 tun. Afler agjustment, tighten tension stud set screw (Fig. 16, A) ADJUSTING THE TENSION OF NEEDLE THREAD & BOBBIN THREAD The position of the thread guide affects sewing quality so it must be adjusted according to the materials, to be sewn, Ss aera reeves] | tet] Midaie | right | | Thread guide | positon | SED | SED Material | Heay | Medium | ~Ught | Fig.17 shows the various types of stitch forms, Normal stitch form should be as shown in Fig.17.a, When abnormal stitches accuracy with pickup fing or thread breakage, the tension of needle thread and bobbin thread must be adjusted accordinaly. ‘The needle thread tension is too strong or the bobbin thread tension is too weak, turn the tension regulating thumb nut counter clockwise to make the needle thread get less tension or tighten the bobbin case tension regulating screw with small plastic screw driver to make the bobbin thread get more tension (Fig 18). Lu eoaonrn Fig.17 The needle thread tension is toa weak or the bobbin thread is too strong, turn the tension regulating thumb nut clockwise fo make the needle thread get more tension or turn the bobbin case tension regulating screw counter clockwise with small plastic screw driver to make the bobbin thread get less tension (Fig. 18). Other abnormal stitches as shown in Fig.17 (d)(e), adjustment can be made which reference to the above methods. -10-TIMING BETWEEN THE NEEDLE AND THE ROTATING SHUTTLE ‘Adjusting the position of needle bar turn the balance wheel to locate the needle bar (Fig.19, C) at its lowest position, remove the rubber plug in the face plate (Fig 19, A). Then loosen the needis bar (Fig.19, C) connecting stud clamping screw (Fig.19. 8) and mave the needle bar (Fig 19, C) vertically to locate the timing position (The timing position of the needle bar is when the needle bat at its lowest position, the center of needle eye (Fig.20, D) Coincide with inside surface (Fig 20, ) ‘of bobbin case holder as shown in Fig. 20. Tighten clamping screw (Fig.19, B) plug the rubber plug Fig. 24 Fig, 22 Adjusting rotating shuttle point timing with needle. The motive relation between rotating shuttle and needle attracts the sewing quailty. standard timing relation is tum the balance wheel to locate needle bar to its lowest position, and loft back 2.5mm the rotating hook point (Fig.21, D) should be coincides with needle center line (Fig.21, C), and hook point (Fig.21, D)is 1.2mm above the upper edge (Fig.21, E) of needle eye. ‘When adjusting the hook point timing also to note the clearance between notch bottom of needle (Fig.22, D) and hook point (Fig.22, C) of approx. 0.05mm must be maintained REMOVING AND INSTALLING THE ROTATING SHUTTLE Lift the needle bar to its highest position, remove the throat plate, take down the needle and the bobbin case, loosen rotating shultle bobbin case holder position bracket ‘screw (Fig 23, C) and take down position bracket, “1.(Fig.23, A), loosen set screws (Fig.23, 0) of rotating shutle to keep hook freely, turning around its axis, tum the balance wheel first to raise the feed bar to its highest position, at this time, take down the rotating hook slowly while tuming it to keep away from the feed dog suppor. Instaling the rotating hook can be done in reverse sequence The projecting flange of the position bracket (Fig.23, A) should be engaged in the notch (Fig 23, B) of the bobbin case folder, and maintain a clearance of 0.5 - 0.7mm between projecting flange top and the bottom of notch while. Fig. 23 INSTALLING FEED DOG 7 2 a b Fig. 24 Fig.25 When feed amount is at the max. The front end of feed dog (Fig.24, A) is near the front of throat Plate slot, the gauge between the two is 1.5mm. This is the standard postion of feed dog. To adjust the position of feed dog, move feed dog to the front end of throat plate, Loosen Screw (Fig.25, A) (See Fig.25,b), feed dog support (Fig.25, 8) in the direction shown by arrow (Fig. 25,2) to adjust, After adjustment tighten screw (Fig 25, A). ADJUSTING THE FLAT SURFACE OF FEED DOG Generally the feed dog is at the horizontal position, 0.8-1.2mm higher than the surface of the needle plate. It should be adjusted when the sewing require need itto incline. (Fig. 26) Loose the screw of the feed bar crankshaft (Fig 26, A). orPress a screwdriver to the eccentric shaft groove of the crankshaft, make the eccentric turn left and ‘ight. Tighten the screw (Fig.26, A) When the front part of the feed dog is high, it could prevent them from pleating, avoiding drop stitch. When the front part of the feed dog is low, it could prevent the cloth from slippage, avoiding the broken of the bobbin thread, IeAtostn teste te eudbon DY tore sera sons DM cam one DO mm ees one Fig. 26 Fig. 27 ADJUSTING THE STITCH SPACE ERROR Loosen the screw (Fig.27, A), turn the needle space adjusting cam (Fig.27, B). ‘Turn clockwise: Forward sewing needle space increases Reverse sewing needle space decrease Turn anti-clockwise Forward sewing needle space decrease, Reverse sewing needle space increase, TIMING BETWEEN THE NEEDLE AND FEED-DOG 1, Standard position. (Fig. 28) ‘Turn the shaft wheel, low the position of feed dog (A), when the feed dog is parallel, Needle (©) point needie plate and feed dog are now aligned. Adjustment could be done by adjusting installing position of the feed cam and fe cam, ting 2, Installing of the feed lifting cam. (Fig. 29) Open the back cover, uninstall the oil baffle plate, and turn the shaft wheel anti-clockwise by left hand, Base on the second fixing screw (A) on the arm shaft, make the third fing screw (8) on the feed iting cam as center, make (B) along the center of (A), but 2 litle lower than (A). 3, Installing of feeding cam. (Fig. 30) Continue to turn the arm shaft wheel, base on the second fixing screw (B) on the feeding cam, make the third fixing screw (C) on the feed cam as. ‘center, make (C) along the center of (B). but a litle higher than (B). 135LAB o 6} Fig. 28 Fig. 29 Fig. 30 ADJUSTING THE TENSION RELEASING MECHANISM Zhe tension discs should be pushed apart to open when the presser foot i led. But the open timing of the tension discs can be adjusted as follows; Remove face plate and the rubber plug at rear side of arm and loosen screw (Fig31, A) of the knee iting lever (lof). Then the tension releasing cam can be moved lefiwarde or "ightwards then the cam is moved rightward. Its iater to open, otherwise itis earier to open Fig. 31 ADJUSTING PRESSER BAR CROSS LIFTING MECHANISM In the process of sewing, the cross lifting height of alternating presser foot and small presser foot could be adjusted in a certain range according to different extent of looseness and tightness of the materials. When sewing the common middle heavy duty materials, the lifting height of the alternating presser foot is below 5 5mm, small presser foot about 35mm. When other mechanisms stable the same, the total liting height of the two Presser is almost a fixed value. The change of two lifting height of each presser foot is nearly an inverse ratio, That is the lifting height of altemating presser foot increase that of the small presser foot decrease Adjusting method Loose eccentric whee! link lever adjusting crank screw (Fig.32, A), turn the presser foot lifting crank upwards as the picture shows, the alternating presser lifting height increases, otherwise, turn the crank downwards. the lifting height of the small presser foot decrease. But the adjusting quality is in a certain limit, not too big. When the adjustment is finished, tighten the screws up, turn the arm shaft wheel with hand, inspect everything. Run the machine only after everything is OK. -14-ADJUSTING UPPER FEEDING MECHANISM ‘Top and bottom feed i an important facility of this machine. In the process of sewing, the center to-center distance (L) between the alternating presser foot siding block and sternating, presser foot shaft of the above mentioned feeding mectianism should be adjusted according to tre fricion ‘coefficient of various materials and diferent sewing crats Adjusting method: Increasing the center-to-center distance L-Top feeding volume increases. Decreasing the center-to-center distance L-Top feeding volume decreases For some special sewing requirement, such as the top feeding volume is larger (or smaller) than bottom feeding volume, adjustment could also be made by the above mentioned method ADJUSTING TOTAL LIFTING HEIGHT OF ALTERNATING AND PRESSER FOOT Loose eccentric wheel link lever adjusting crank screw (Fig.33, A) first, then adjust the center-to- center distance between the screw to the presser foot ifing shaft B; To increase the lifting height cof both alternating presser foot and small presser foot, please decrease the center-to-center (B), otherwise, increase the center-to-center distance (Fig.33, 8) to decrease the lifting height. The adjusting quantity should not be too big. Then tighten the screws up. turn the arm shat slowly to Inspect if there is hitting happens. Only when everything is OK, the machine could start {0 run. Fig. 33 Fig. 34 ADJUSTING THE FRONT AND BACK CLEARNESS OF THE ALTERNATING AND PRESSER FOOT In the process of sewing, sometimes big needle space is needed and sometimes small. When sew with big needie space, the traveling distance of the alternating presser foot 1s big and otherwise smal, To avoid the knocking of the front of alternating presser foot between back of small presser foot. and also keep a celtain space (Fig.34, C) (about 1.5mm). So when sew with small needle space, need to close the alternating presser foot to the needle bar a lit, Adjusting method Loose the back crank screw of the alternating presser foot, and then tum the presser altemating shaft upwards, and then the altemating presser foot move close to the needle bar. When adjusting, pay attention to the fix value C. -15-PERIODICAL CLEANING Cleaning the feed dog Remove the throat plate, clean off athe dust and lint on the sit ofthe feed dog, the installing the throat plat. Cleaning the rotating hook Clean off allthe dust around the rotating hook, and clean the bobbin case with soft cloth Cleaning the oll pump fiter cover Take off the olfiter, clean off the dust of fiter cover FLAT VIEW OF COMPLETE SET -16-ORDERING WEAR AND SPARE PARTS ILLUSTRATIONS ‘This manual has been arranged to simplify ordering wear and spare parts. Exploded views of various sections of the mechanism are shown so that the parts may be seen in their actual position in the sewing machine. On the page opposite the illustration will be found a listing of the parts with their part lumbers, descriptions and the number of pieces required in the particular view being shown Numbers in the first column are reference numbers only and merely indicate the position of that att in the illustration. Reference numbers should never be used in ordering parts. Always use the part number listed in the second column, Component parts of sub-assemblies which can be fumished for repairs are indicated by indenting their description under the description of the main subassembly IMPORTANT! On all orders, please include part number, part name and type of machine for Which part in order. <17-PARTS MANUAL FOR HEAVY DUTY SEWING MACHINE DD-701 MISCELLANEOUS COVERS AND FITTINGS,Ref. No. Part No. " 12 13 4 15 16 7 18 19 2 22 23 NBaRR 28 29 30 a 32 33 34 35 36 37 39 40 4 42 260101 260102 260103 260104 206105 260106 260107 260108 260109 260110 256037 256038 256039 256040 256041 256042 256043 260118 256045 260120 260121 260122 260123 260124 260125 260126 260127 260128 260129 260130 260131 260132 260133 260134 260135 260136 260137 120138 120139 120140 120141 120142 01 MISCELLANEOUS COVERS AND FITTINGS Description Face cover Screw Thread guide Thread guide Screw Thread eyelet Thread tension post Thread tension disk ‘Thread tension spring Nut ‘Thread eyelet ‘Arm cover, right ‘Arm cover, left Back cover Thread releasing pin Set screw ‘Thread tension base Thread regulating spring ‘Thread take-up spring Regulating disk Thread tension post Thread tension disk, inner Thread tension disk, outer ‘Thread releasing disk Thread tension spring Nut Sliding plate, right Screw Needle plate Screw Sliding plate, left Sliding plate fiting Screw Sorew ‘Thread tension ass'y Thread tension ass'y Screw Washer Serew Screw Thread guide Screw Qty Remarks02 NEEDLE BAR AND UPPER SHAFTRef. No. Part No. 12 3 “4 18 16 7 18 19 21 22 23, 24 25 26 27 28 29 30 geese 36 &8esg a4 41B 42 43 44 260301 260302 260303, 260304 206305 260306, 260307 260308 260309 260310 260311 260312 260313 260314 260315 260316 260317 260318 260319 260320 260321 260322 260323, 260324 260325 260326 260327 260328 260329 260330 260331 260332 260333, 260334 260335 260336 280337 260338 260339 260340 260341 2603418, 260342 260343 260344 02 NEEDLE BAR AND UPPER SHAFT Description Needle Needle bar bushing, lower Needle set screw ‘Needle bar bushing, upper Set Screw Needle bar Needle bar connecting rod Take-up thread connecting rod ‘Take-up thread connecting pin Needle bar connecting pin ‘Thread take-up lever Thread take-up lever bearing Thread take-up lever bolt ‘Thread take-up crank Set screw Screw Slider slot Sliding block Screw Collar Pin Screw Pin Sot screw Needle bar crank Set screw Sleeve, front Sleove, rear Sleeve, middle Felt Felt ‘Arm shaft Set screw Feed dog lift eccentric Feeding eccentric Feeding eccentric side plate Screw ‘Arm shaft bevel gear Vertical shaft bevel gear, upper Vertical shaft bevel gear, lower Screw Set screw Vertical shaft Feed dog lifting connecting rod Feeding connecting rod -22-45 46 a7 48 49 50 51 52 53 55 87 260345 260346 260347 260348 260349 260350 260351 260352 2603533, 260354 260355 260356 260357 02 NEEDLE BAR AND UPPER SHAFT. (CONTINUED) Vertical shaft bushing, lower Vertical shaft bushing, upper Oil tube Hand wheel Oil felt Spacing Reed Screw Screw Screw Collar Screw Screw Oil tube -2B-03 UPPER FEED MECHANISM aN be ng -Ref. No. Part No. 260501 260502 260503 260504 206505 260506 260507 260508 260509 260510 260511 260512 260513 260514 260515 260516 260517 260518 260519 206520 206521 206522 206523 206524 206525 206526 206527 206528 206529 206530 260531 260532 260533, 260534 260535 260536 260537 260538 260539 260540 26054 03 UPPER FEED MACHANISM Description Presser foot iting shaft Bushing Screw Crank, front ‘Screw Crank, rear Screw Eccentric connecting rod Eccentric cam Screw Screw Nut Nut Nut ‘Screw Screw Presser foot lifting rocker Presser bar Guide plate Screw Alternant presser foot Screw ‘Alternant presser foot connecting rod Bolt Fork lever Connecting rod Nut Screw Bott Oscillating shaft crank, front Taper Pin Bolt Oscillating shaft bushing, front Sliding block Washer Oscillating shaft bushing, rear Oscillating shaft collar Screw Oscillating shaft Oscillating shaft crank, rear Oscillating connecting rod eee aty ep Remarks03 UPPER FEED MACHANISM (CONTINUED) 42 260542 Connecting pin 43 260543 Screw04 MAIN SHAFTRef. No. Part No. 1260701 2 260702 3 260703 4 260704 5 206705 6 260706 7 260707 8 260708 9 260709 10 260710 11260711 12 260712 13 260713, 14260714 15 260715 16 260716 17260717 18 260718 19260719 20 260720 21 260721 22 260722 23° 260723 24 260724 25 260725 26 © 260726 27 260727 28 © 260728 29 260729 30 260730 31 260731 32 260732 33 260733 34 260734 04 MAIN SHAFT Description Main shaft bevel gear Screw Bushing, rear Screw Felt Collar Screw Shuttle base Bushing, front Shuttle race Screw Bobbin Bobbin case ass'y Shuttle set bracket Screw Spacing base Bolt Spring Screw Spacing bracket Pin Spacing spring Screw Main shaft Rotating shuttle ass'y Bobbin case Shuttle body ring Spring Screw Spring Screw Screw Screw Spacing spring -28- ty PU RE ee Remarks05 FEED REGULATING MECHANISM anPart No. 260901 260902 260903 260904 260905 260906 260907 260908 260909 260910 260911 260912 260913 260914 260915 260916 260917 260918 260919 260920 206921 206922 206923, 206924 206925 206926 206927 206928 05 FEED REGULATING MECHANISM Description Feed rocker Connecting pin Screw Screw Feed rocker crank Bolt Feed dog lifting sliding block Feed dog Feed dog lft shaft crank, rear Feed rocker shaft Bushing, front Bushing, rear Middle bushing, left Middle bushing, right Feed shaft rear crank Screw Feed crank Pin Screw Feed dog lift shaft Bushing, front Bushing, rear Set screw Feed rocker shaft crank, front Screw Screw Nut Screw ty Remarks06 FEED MECHANISMPart No, 261101 261102 261103 261104 261105 261106 261107 261108 261109 261110 261111 261112 261113 261114 261115 261116 261117 261118 261119 281120 261121 261122 261123 261124 261125 261126 261127 261128 261129 261130 261131 261132 261133 261134 261135 261136 261137 261138 261139 261140 261141 261142 261143 06 FEED MECHANISM Description Pin Stitch adjusting bracket Screw Screw Sleeve Stitch adjusting bracket shaft Rubber plug Set screw Back tack lever crank Pin roller Spring Screw Back tack lever Pin Screw Screw Screw Screw Stitch adjusting rod © type rubber ring Stitch adjusting knob Stitch adjusting panel Washer Screw Spacing pin Spring Spring hanger ‘Screw Backs tack cylinder Stitch adjusting connecting rod Pin Connecting rod ‘Screw Connecting rod Pin Screw Bearing Eccentric shaft Stitch adjusting crank Set pin, left Screw Set pin, right Push lever45, a7 261144 261145 261146 261147 06 FEED MECHANISM (CONTINUED) Spring Pin Set Screw Back tack cylinder knockout pin -33- Optional Optional07 PRESSER FOOT LIFTER (1/2)Part No, 261301 261302 261303, 261304 261305 261306 261307 261308 261309 261310 261311 261312 2613128, 261313, 261314 261315 261316 261317 07 PRESSER FOOT LIFTER (1/2) Description Presser foot liter base ‘Screw Pin Reset spring bracket Screw Set screw Connecting plate Pin Presser foot lifter Alternate presser foot lifter Handle ball Alternate presser foo! lifter connect ing bar Alternate presser foo! lifter connecting bar E type ring Washer Presser foot lifter rod Sot screw Reset spring -35- aty 1 2 2 a 4 2 1 1 1 1 2 1 1 2 1 1 1 1 Optional1 nt08 PRESSER FOOT LIFTER (2/2) Ref. No. Part No. Description Qty Remarks 1 261501 Presser foot lifter bar 1 2 261502 Screw 2 3 261503 Presser bar lift ever (A) 1 4 261504 Screw 1 5 261505 Presser bar lift lever (B) 1 6 261508 Connecting rod 1 7 261507 Screw 1 8 261508 Connector 1 9 261509 Nut 1 10 261510 Presser bar lift spring 1 11 261511 Screw 1 12 261512 Screw 1 13 261513 Knee lifter lever 1 14 261514 Screw 1 18 261515 Roller pin 1 16 261516 Screw 1 417A 261517(A) Connecting plate 1 Optional 17 261517 Hanger 1 18 261518 = Screw 1 19 261519 Presser bar guide bracket 1 20 © 261620 Screw 2 21 261621 Presser foot liter cylinder ass'y 1 22 261522 Washer 1 23 © 261523. «Thread guide 1 24 © 261524 Set screw 1 25 © 261625 += Spring 1 26 © 261526 Thread guide base 1 27261627 Screw 2 28261528 Pin 1 29 261529 Spacing block 1 30261530 Screw 1 31261531 Nut 1 32 261632 Presser bar flat guide bracket 1 33 261533 Screw 1 34 261534 Presser bar 1 35 261535 Spring 1 36 261536 Screw 1 37 261537 Nut 1 38 261538 Presser foot 1 388 261538(B) Presser foot with filer cord guide 1 Optional 39 261539 Air cylinder 1 Optional 40 261540 Air cylinder base 1 Optional 41 261541 Nut 4 Optional Boy42 43 44 45 46 a7 48 261842 261843 261844 261545 261546 261547 261548 Lifter rod Connector Screw Screw Screw ‘Spring Set screw 08 PRESSER FOOT LIFTER (2/2) Baa Optional Optional Optional Optional Optional09 KNEE LIFTER (OPTIONAL)Ref. No. Part No. ©OVonR ONO 12 23 “ 16 16 7 8 19 20 24 22 261701 261702 261703 261704 261705 261706 261707 261708 261709 261710 261711 261712 261713, 261714 261715 261716 261717 261718 261719 261720 261721 261722 09 KNEE LIFTER (OPTIONAL) Description Connector A, Connecting rod Connector 8 Connecting spring Knee lifter shaft Pin Spring bracket Spring Connector Knee lifter crank Screw Screw Screw Screw Screw ‘Screw Screw Knee lever rod Knee lifter bar knee lifter bracket Set bracket Screw -40- aty RemarksRef. No, Part No. 261701 261702 261703 261704 261705 261706 261707 261708 261709 261710 10 OILING PART: Description Oil shield Screw Oil shiela il cup, right Fett Oil tubo, E Felt ll Wick Washer Screw -42- ty RemarksRef. No. Part No. 262101 262102 262103 262104 262105 262106 262107 262108 262109 262110 262111 262112 262113 262114 262115 262116 262117 262118 262119 262120 262121 262122 262123 262124 262125 41 ACCESSORIES Description Machine head supporter ‘Thread stand ass'y Parts bag Belt guard ass'y Screw Bolt Screw Screw Washer Oil pan Vebelt Needle Screw driver (small) ‘Screw driver (middle) ‘Screw driver (big) Screw driver Oitcan Nail Washer Allen wrench Allen wrench Allen wrench Allen wrench Rubber cushion Hinge -44- ayy ona) oe) ae ree ee ee RemarksYSS GROUP, INC. 8612 N.W. 70" Street, Miami, Florida 33166 U.S.A. Tel. : +1-(305)-436-7371 Fax. : +1-(305)-436-7314 E-mail : ventas@yssgroup.com Web Site : www.yssgroup.com