SUNSTAR MACHINERY CO., LTD.
Contents
1. SunStar Fig 37 Fig 38 Fig 39 Fixed mes Separating whetstone Fig 40 23 20 Appropriate speed for stitch lengths As the sewing speed is increased the length of the stitches can also increase so follow the following speeds Stitch length Maximum sewing speed 4mm 2400spm 21 Automatic presser foot lifting device optional A Before placing an automatic presser foot ligting device you must remove the manual presser foot lifting device See figure 41 After loosening screws 1 and 4 remove the parts and place the automatic presser foot lifting as shown in Figure 42 Fig 43 242. 4 to fix the back part See figure 7 7 Installation of thread stand As shown in Figure 8 assemble the thread stand insert it in the table hole and use the fixed nut 2 and washer 3 to fix it Fig 8 SunStar 8 Installation of knee lifting pad A The knee lifting pad ass y socket wrapped in the accessory box must be placed in the knee lifting axis B Loosen bolt 3 and maintain knee lifting pad in vertical position to tighten it Caution When reclining the machine recline after removing the knee lifting pad ass y Fig 9 gt In need of regulating the machine with the switch on or with the air injected please pay special attention to your safety Please adjust air pressure to 0 5Mpa 1 Installation As shown in the figure after fixing the air pressure filter on the bracket use the neck screw to fix the bracket on the lower side of the table 2 Air pressure adjustment a Adjust the pressure by taking out and lifting the air pressure filter knob b After adjusting the air pressure to 0 49 Pa 5 kef cm turn the knob 2 to its original position and the adjustment is over Fig 10 13 Adjustment of sewing machine In case of setting the needle be sure to switch off the power supply In case the user press on the 4 step by mistake the machine runs automatically By doing so it can cause the physical injuries In case of using the c
3. of troubleshooting it should be done by the trained A S engineer of our company a Ahead of cleaning and repair be sure to shut off the power supply And wait for about 4 minutes till the machine discharges completely b Even a part or all of the machine should not be modified without any consultation with our company Incase of repair you should change the damaged part into the standard article of our company After repair please put again the safety cover disjointed while repairing 1 4 Machine Operation Warning 1 5 Safety Device Warning KM 591BL series are manufactured for industry use to sew textiles and other similar material In case of running the machine users should observe the following things a Ahead of operating the machine please read the manual and understand fully the details on its operation b Don t forget to put on the garment suited for the safe work Keep your hands or a part of the body away from the running part of the machine like a needle hook thread take up spring and pulley etc Don t remove any kind of cover for safety while running the machine e Be sure to connect the earthed line f Before opening the electric box such as a control box be sure to shut off the power supply and make sure that the power switch should be put on off When threading the needle or before checking after sewing be sure to stop the machine Bb Don t switch on the power supply with the f
4. A O e TZ 4 a ove A a Aa 1 7 Content of Precaution CAUTION A a i Do not operate without finger guard Notice and safety devices Before threading changing bobbin and needle cleaning etc switch off main switch SIE Boho HANI 8x01 ASotAl Ot Hazardous voltage will cause injury Be sure to wait at least 360 seconds before opening this cover after turn off main switch and unplug a power cord 19 HEA A 442 Uen HH EBS WE ANS Weld AX SAS T LIM 360242 JIE E MAIS Specifications 1 Sewing machine specification KM 591BL 7 Long arm type 1 needle unison feed lock stitch machine with vertical large hook and an automatic thread trimmer KM 591BL Long arm type 1 needle unison feed lock stitch machine with vertical large hook Model name KM 591BL 7 KM 591BL Trimming device Climb device co 3 3 A E nm D Medium to heavy weight material Sewing speed Max 2 400 spm Maximum stitch length Needle bar stroke 35 mm Thread take up lever stroke 71 5 mm Hook Vertical large hook Needle DPX17 16 23 Standard 23 Lift of the presser foot by hand 9mm by knee 16mm Alternating vertical movement 2 5 5 MM Compressed air 0 5 MPa Lubrication Automatic oil supply Working space 322 mm SunStar 2 Motor specifications 1 Servo motor specifications 2 Clutch motor specifications MODEL VOLT WATT HERTZ HEC 1705 Single Phase 110V 220V 400W 50 60 Hz HEC 1706 Triple Phase 110
5. USER S MANUAL KM 591BL 7 Long Arm Type 1 Needle Unison Feed Lock Stitch Machine With Vertical Large Hook and an Automatic Thread Trimmer KM 591BL Long Arm Type 1 Needle Unison Feed Lock Stitch Machine with Vertical Large Hook 1 Thank you for purchasing our product Based on the rich expertise and experience accumulated in industrial sewing machine production SUNSTAR will manufacture industrial sewing machines which deliver more diverse functions high performance powerful operation enhanced durability and more sophisticated design to meet a number of user s needs Please read this user s manual thoroughly before using the machine Make sure to properly use the machine to enjoy its full performance The specifications of the machine are subject to change aimed to enhance product performance without prior notice This product is designed manufactured and sold as an industrial sewing machine It should not be used for other than industrial purpose SUNSTAR MACHINERY CO LTD __Contents gt Safety Regulations for Machines e 4 1 Specifications 1 Sewing machine specifications EA AAA AA AAA AAA AAA a 8 2 Motor specifications e 8 ee ee ee 9 2 Installation 1 Installation of the machine head gt 6 6 s ee ee ee ee we we e 10 alto er powerswichbok oS a Fah sara Oe he eh ee ES eo eee hee 10 OL none sacan sra as tse eeee tas ows we foe 11 4 Belt tension ad
6. V 220V 50 60 Hz 3 Peripheral automatic device optional specifications Auto Knee Air pressure cylinder working structure where the presser foot is automatically lifted by one Lifting System backward pedal A production counting system where the completed amount is displayed in the program unit Production Counter SCOUN 1 panel Addition subtraction and amended inventory are also displayed in addition to implementation ratio SEDG 1 By detecting the fabric s edge or thickness the machine automatically stops without halting Material Edge Sensor the pedal The two types of sensors are edge sensor type SEDG 1 and the thickness sensor SEDG 2 type SEDG 2 This is an indispensable device when one man operates a number of machines Separate Standing Pedal pedals for acceleration thread trimming and presser foot lifting are set up There are the fixed speed SPDL 1 EDPL 1 and the variable speed SPDL 2 EDPL 2 Installation Plug in after finishing the installing work In case the user press on the step by mistake the machine runs automatically By doing so it can cause the physical injuries Connect the earthed lines Imperfection of the connection of the earthed lines gives rise to an electric shock or malfunction In case of bending the machine backward or returning to the original condition be sure to use both hands If you use only one hand it causes physical injuries by slipping 1 Installation of the mac
7. bility 2 Filling the oil pan with lubricants A Fill the lubricant up to the H point Q B You should use the exclusive oil provided by SUNSTAR for industrial sewing machines or TELLUS C10 of the Shell company C If the oil lever drops to the L level replenish it to the H point 1 D Change the lubricant once every two weeks Fig 3 Fig 4 4 Belt tension adjustment After installing the motor if you sufficiently loosen the fixed nuts 1 and 2 tension in the belt will occur naturally because of the weight of the motor 8 At this moment tighten the fixed nut 1 and use fixed nut 2 to fix it firmly See figure 5 Fig 5 11 5 Installation of program unit Sever Motor A Use 4 fixed screws 3 to fix the bracket 2 on the program unit B In the program unit use two fixed bolts 4 to tightly fix the assembled brackets 6 Installation of belt cover A 3 screws that support the belt cover can be found in the accessory box Assemble the two short screws 1 into the upper part of the sewing machine and assemble the remaining and longest screw into the lower part of the sewing machine B Fix the Belt cover A 5 into the belt cover supporting screw and assemble it using the belt cover fixed screw 6 7 See figure 7 C Insert the front part of belt cover B 3 into the groove of the front part of Belt cover A 5 and use the fixed screw
8. ckwise the Take up lever spring stopper 4 the Thread take up lever spring 5 s operation range will increase and if it is turned clockwise the Thread take up lever spring 5 s operation range will decrease The standard operation range of the Thread take up lever spring is 10 14mm TE Fig 19 B Thread take up spring tension adjustment As shown in Figure 20 after loosening the thread adjustment device axis screw 6 using a driver 1f the upper end groove of the thread adjustment device axis 7 is turned clockwise the tension of the thread take up lever spring becomes stronger and if it is turned counterclockwise 1t becomes weaker C Thread take up lever spring s operation timing adjustment As shown in Figure 21 after loosening the stopper screw 3 if you turn the thread take up lever spring guide plate 8 clockwise the thread take up lever spring 5 s operation timing becomes faster and if it 1s turned counterclockwise it becomes slower The thread take up lever spring s operation timing is the standard when the thread take up lever spring guide plate is located in the middle as the figure shows Fig 20 Fig 21 17 3 Adjustment of thread release operation amount Automatic trimming type After thread trimming when the upper thread falls out of the needle hole check if plate 1 opened during the trimming movement In order to adjust the mount of the plates opening turn on the threa
9. d release solenoid and make sure that the opening amount of the thread tension adjustment plate is 0 8mm by adjusting the solenoid axis collar 3 back and forth Also when the thread release solenoid is turned off check if the plates are completely adhered to each other See figure 22 bout 0 8 mm if Fig 22 4 Adjustment of thread amount subsidiary device Automatic trimming type As shown in Figure 23 if you turn the adjusting nut clockwise the length of the thread becomes shorter And if it is turned counterclockwise it becomes longer After trimming the thread the appropriate length of thread is 35 45mm Fig 23 9 Presser foot pressure adjustment As shown in Figure 24 if you turn the pressure adjustment screw 1 clockwise the pressure of the presser foot becomes stronger and if it is turned counterclockwise it becomes weaker After adjusting it always fix it with the fixing nut 10 Stitch length adjustment As shown in Figure 25 the numbers that are shown in the stitch length adjusting dial 1 are the stitch length represented in mm Find the stitch length you want by adjusting it from left to nght SunStar After finishing dismantling or adjusting the safety devices be sure to install it in the original position properly and check whether it functions as desired or not In case of bending the machine backward or returning to the original condition be sure
10. e injuries 1 Checking oil supply amount A After the sewing machine runs 3 minutes of empty rotations at a proper speed if you put the oil supply check paper as shown in Figure 14 and run the machine for 5 seconds you can check the quantity of oil by the amount of oil that appears on the oil supply checking paper B The oil checking should be done three times and the appropriate maximum and minimum quantity are shown in Figure 14 If the oil era ae ee supply is too small the hook can have motor problems and if the oil supply is too big the fabric can be contaminated by the oil About 0 5 mm About 1 mm Minimum Maximum 2 Oil supply adjustment optimum amount optimum amount If you turn the oil supply adjustment screw 1 assembled at the lower axis front bushing clockwise the supply of oil will increase and if it is turned counterclockwise it will decrease 5 Lower thread winding and adjustment 1 Winding the lower thread A The thread should come out through hole 1 from the back of the tension regulating dish 2 towards the front B The thread should be taken to the bobbin 3 and wound clockwise 5 or 6times from the bottom C After pushing lever 4 and letting pulley 5 touch the V belt run the machine D If the bobbin winds all the lower thread pulley 5 is automatically separated from the V belt See figure 15 2 Lower thread adjustment A When the lower thread is wound irregular
11. eedle and movable mes can be damaged by collision When the solenoid is operating if you want to use the machine make sure that you run the machine between the regular trimming distances from low position of needle bar to upper position 21 2 Adjustment of the trimming cam A The standard location of the trimming cam 3 is when the trimming cam becomes in contact with the trimming cam roller and the sewing machine s carved dot 1 and the pulley s yellow carved dot 2 meet B In order to adjust it as mentioned above loosen the trimming cam tightened screw C After adjustment is over tighten the trimming cam tightening screw Fig 33 Fig 34 Caution When using a synthetic thread that does not get tangled adjust the cam by turning the pulley to direction A and moving it 5mm from the standard position When using a thin synthetic thread adjust the cam by turning the pulley towards direction B and moving it 5mm from the standard position 3 Adjustment of movable mes A Adjustment of movable mes location As shown in Figure 35 the movable mes original position is where the thread trimming holder slot 1 and the bed supper side s carved dot or marker dot 2 align Fig 35 B Adjustment of the proceeding quantity of moving mes a After leaving the solenoid operating and turning the sewing machine the moving mes rotates by the thread trimming cam When the moving mes proceeding qua
12. he standard range of adjustment for up and down motion of the auxiliary presser foot 1 and main presser foot 2 is up to 2 5 5mm B The up and down motion of the auxiliary presser foot 1 and main presser foot 2 can be simply adjusted by the climb device dial located in the front part of the sewing machine C The dial located on the upper cover limits the motion of the climb device dial 3 and the numbers of both dials 3 and 4 must be identical for the auxiliary presser foot and the main presser foot to move at the same height Ex If the auxiliary presser foot and the main presser foot s quantity of motion is set to 4mm adjust the dial number of the upper cover to 4 and adjust the dial at the front part of the sewing machine to 4 However if you want to adjust from a low number to a higher number adjust dial and then dial 3 And if you want to adjust from a high number to a lower number adjust dial and then dial 2 19 2 Adjusting auxiliary presser foot and main presser foot to make up and down motions at a different height Fig 28 A Adjustment of auxiliary presser foot a Loosen pressure adjusting screw 1 in the pressure bar and the bracket fixing screw 2 b Adjust the bracket fixing screw to be placed 9mm above the needle plate 4 when lifting pressure bar 3 c After adjustment is over fix bracket fixing screw 2 correctly and properly adjust the pressure adjusting screw d After adjusting the height of the a
13. hine head Insert hinge rubber into the table As described in Figure 1 put the oil pan corner in the middle of the head supporting rubber and attach the table After putting the hinge 3 in the bed hole insert the hinge rubber and install the sewing machine in the table corner rubber cushion Fig 1 2 Installation of power switch box When attaching the power switch box as shown in Figure 2 attach it to lower right corner of the table Fig 2 SunStar gt Be sure to plug in after finishing oil supply If the user press on the step by mistake the machine runs automatically By doing so it can cause the physical injuries In case of treating the lubricant don t bring the lubricant into contact with eyes or the skin Its contact can cause an inflammation And don t drink the lubricant It can cause vomiting or diarrhea And Keep it out of the reach of the children gt Be sure to run the machine after supplying oil in case you should start to run it for the first time or in case it has not been used for a long time 3 Oil supply 1 Fitting the magnet to remove chips iron powder Find the magnet to remove chips in the accessory box and it to the oil pump located at the lower part of the bed as shown in Figure 3 x Do not use the magnet for other purposes Operating the sewing machine without the magnets may cause malfunction and adverse effects to its dura
14. hould work together b In case the machine should be transported please wipe the oil covered on the machine to prevent the accident 1 2 Machine Installation Because the physical damage such as the functional obstacles and breakdowns are likely to occur in compliance with the condition of installing the machine the following preconditions should be fulfilled a Please keep the order from top to bottom when unpacking the package Especially mind that the nail Caution on the boxes b Because machines are apt to be contaminated and corroded by dust and moisture you should install the climate controller and should clean the machines regularly Keep the machines out of the direct rays of the sun Keep both sides and the backside of the machines off at least 50cm from the wall to secure enough space to repair Don t run the machine near the places with the dangers of explosion Don t run the machine near the places with the dangers of explosion including the places where the spraying product like aerosol are used in large quantities or oxygen are dealt with unless the exact actions concerning the operation are guaranteed to avoid the explosion f Because of the peculiarity of the machine any illuminators are not equipped So users should install the lighting apparatus around the working area Note The details about the installment of the machine are described in No 2 Installment of Machine 1 3 Troubleshooting In need
15. justment cee eRe AAA AAA AAA AAA 11 Slimane poranne ese sra ee tees eee Ghee asa 19 O InsAOMOrDEIROONER gt s aS SH rro AAA 12 Tienaa gt exa eo eee eh a ey Bee eee ee ee ee 12 isaac iip SA po oops eK ee he we ee AAA 13 9 Installation of air pressure related parts and checking their functions optional e e ee e ee ee es 13 3 Adjustment of sewing machine Nella e e G4 se ee Ae eee re enaeee es toes eee e se Hama A 14 J Neede Bards s ee eee ee Ce eee See ae ee GAR eee Re ee 14 sy Resume immeornecdleandhoek kk oe eee teeta ee ee oe ee eo oe yp a 14 4 Resulatine Oi Sipply 10 HOOkS rio reso RA OHA wo ORE Dw A 15 5 Lowertiread winding and adiust nt s sema ee ent aes et a eR eee ee ee ee wo 15 6 Lower thread hanging and tension adjustment e ee ee et ee ee 16 7 Upperihtead baneine se oe eH Ew ERE SEER SHEE RR GHG HE GHG HSS E OMLICEO TCO Sits hi a ee sos as AAA 17 9 Presser foot pressure adjustment et ee ee ee ee ee 18 10 Stitch length adjustment 18 11 Adjustment of feed dog height and inclination e s s e ee ee ee ee oe 19 12 Adjustment of main and auxiliary presser foot e 8 eee et ee ee ee o 19 13 Adjustment of main presser foot movement e e e e ee a e ee ee ee ee ee ee 20 14 Feed cam adjustment 6 eee ee ee ee 21 15 Adjustment of reverse solenoid location 6 ee ee 21 16 Adnisimentor timimi denes a 4 Gea we Bh Soe AAA 2i 17 Adjus
16. l fall out See figure 16 In case of taking up the upper thread be sure to switch off the power supply lf the users press on the step by mistake the machine runs automatically By doing so it can 4 cause the physical injuries In case of using the clutch motor the motor revolves because of inertia for a while Be sure to start to work only after the motor comes to a complete stop 7 Upper thread hanging Place the take up thread at the highest point and insert the upper thread in the order shown in Figure 17 The amount of the upper thread coming out of the needle hole should be around 50mm for the first sewing session See figure 16 SunStar 8 Thread tension adjustment 1 Thread adjustment device As shown in Figure 18 if you turn the thread adjustment device s tension regulating nut 1 clockwise the upper thread tension will increase and if turned counterclockwise it will decrease With the loosened upper thread tension Y TIAS PLD IL Alda WHA le T NO ANY AAN AN GS A i rr APN With the tightened upper thread tension al With the properly controlled thread tension 1 PLD OBE 4s DIA Y JESSE SAN AA SY 5 a r e AURA ag SES ISSO ESA o Fig 18 2 Thread take up spring s tension adjustment A Thread take up lever spring running amount adjustment As shown in Figure 19 after loosening the stopper tightening screw and turning counterclo
17. lutch motor the motor revolves because of inertia for a while even after switching off the power supply Be sure to start to work only after the motor comes to a complete stop 1 Needle insertion While the needle groove is on the left adhere the needle tip on the upper side of the stopper hole 2 and fix the needle with the fixing screw 3 See figure 11 Fig 11 2 Needle bar adjustments After opening the side plate turn the pulley and place the needle bar 1 at the lowest point loosen the needle plate tightening screw and move the needle plate frame 3 at the bottom after aligning the needle plate s lowest point marked seal firmly tighten the needle bar tightening screw See figure 12 Fig 12 3 Regulating timing of needle and hook After adjusting the needle bar and elevating the needle bar lowest point by 2 2mm place the hook point at the center of the needle 2 and fix and tighten the setting screw At this moment the distance between the needle and hook point should be 0 02mm 0 05mm and the needle plate seal point and needle bar frame should align with the lower side See figure 13 Fig 13 SunStar 4 Regulating oil supply to hooks In case of checking the amount of oil to hooks please take care lest the hands or the checking 4 slip of the amount of oil should come into contact with the movable parts such as the surrounding tools for transfer Its contact can caus
18. ly unscrew 6 move it left to right and tightly screw 6 again B The lower thread s winding amount can be adjusted if you turn the regulating screw 7 clockwise it increases and if you turn it counterclockwise it decreases C For the lower thread s tension adjustment that winds the bobbin if you turn screw 8 clockwise it becomes stronger and if you turn it counterclockwise it becomes weaker 15 gt In case of adjusting the tension of the lower thread be sure to switch off the power supply If the users press on the step by mistake the machine runs automatically By doing so it can cause the physical injuries In case of using the clutch motor the motor revolves because of inertia for a while even after switching off the power supply 6 Lower thread hanging and tension adjustment Fig 16 A After putting the bobbin case 1 into bobbin hang the thread between the thread groove 3 and under the tension adjustment pan aes For the lower thread tension adjustment turn the tension adjustment screw clockwise to make it stronger and turn it counterclockwise to make it weaker For the lower thread output tension hold the thread end so that when the bobbin case 1 is dropped it can drop gradually by its own weight See figure 16 B Removing bobbin case Hold the bobbin case handle 6 and insert it in the hook When taking out the bobbin hold the handle 6 and pull it If you let go of the bobbin 2 handle it wil
19. ntity reaches its maximum level it is standard to let the cutting part of the moving mes proceed 1 1 5mm from the tip of the fixed mes b Move the thread trimming lever for adjustment See figure 36 Fig 36 22 17 Adjustment of mes pressure A As shown in Figure 37 it is standard to let the moving mes 1 contact the fixed mes 2 B In case where cutting 1s difficult due to the use of thick thread 1f you strengthen the tension of the fixed mes it will be effective C To adjust the tension of fixed mes as shown in Figure 37 after loosening the fixed me tension adjustment nut you use the adjustment screw to adjust it After adjustment is finished always tighten the tension adjustment nut 18 Changing moving mes To change the moving mes turn the pulley manually to let the needle place itself on the highest point and take off the needle plate by using the two fixing screws marked on Figure 38 When assembling small parts do the disassembling process backwards 19 Changing fixed mes A To change fixed mes disassemble the fixed mes 1 fixing screw on the base as shown in Figure 39 When assembling small parts do the disassembling process backwards See figure 39 B When the thread breaks during use or the thread is not clean check the cutting part of the fixed mes If the fixed mes tip 1s abrased then use the oil grinder to sharpen it as shown in Figure 40
20. nut towards the B direction 20 SunStar 14 Feed cam adjustment The timing of the feed dog and needle can be adjusted by moving the feed cam up and down After turning the pulley manually so that the needle plate is fixed at the highest point as shown in Figure 30 it is standard that when the center of the first fixed screw 2 of the presser foot s driving cam comes to the upper shaft center the tip of the first fixing screw 5 of the feed cam should align with the upper shaft center ll OU A MAE Lill Fig 30 15 Adjustment of reverse solenoid location 1 Reverse solenoid location A Put the stitch length dial at maximum B Loosen two reverse solenoid bracket tightening screws 1 C Lower the reverse lever to the floor Move the reverse solenoid bracket 8 up and down Then adjust the distance between the reverse solenoid movement rubber packing 4 and the reverse solenoid to be 0 5 1mm and tighten the tightening screw 1 See figure 31 Fig 31 16 Adjustment of trimming device 1 Trimming device structure The trimming device of this sewing machine is as the Figure 32 shown below Fig 32 Caution This sewing machine adopts a trimming drive system where the cam on the lower shaft is the main source of power So when adjusting the sewing machine if you turn the machine in the state that the trimming solenoid is operating a n
21. oot on the pedal G Don t run the machine when the cooling fan are not running Be sure to clean the air filter in the control box once a week If possible keep off from the strong electronic wave like a high frequency welding machine Fingers or hands can be cut off because of the belt So be sure to run the machine after covering the safety cover and in case of Warning checking or regulating be sure to switch off the power supply a Safety Label Suggestions while running the machine are stated Thread take up lever cover The device to prevent the human body from touching the thread take up lever Belt cover The device to prevent hands feet and clothing from getting jammed by the belt Finger guard The device to prevent fingers from contacting the needle SunStar 1 6 Precaution Mark Position Precautions is adhered to the machine for safety In case of starting to run the machine read the directions of Precautions carefully CAUTION Position of Precaution Mark ATA Do not operate without finger guard and safety devices Before threading changing bobbin and needle cleaning etc switch off main switch Ate Hoot WARA go AO CAUTION 3 1 Hazardous voltage will cause injury INS g P EA Be sure to wait at least 360 seconds before 7 iv T opening this cover after turn off main switch e and unplug a power cord TY HRO Mat BME 9 g lic AAS Yell Ha Sel A 3607 JCH 2 OM
22. tment of mes pressure e s r esa sassa terdre yie st tsetan ewa 33 18 Changing moving mes sas esesss assia eee 23 lo na fixed ies gt sarro RRR RHR EEE REE SEH EEE SE OER 20 Appropriate speed for stitches lengths ee ee ee ee ee ee ee ee 24 21 Automatic presser foot lifting device optional 6 e e e ee te 9 9 o o 24 Safety Regulations for Machines Safety Regulations for Machines The safety marks are defined as danger warning and caution In case the regulations are not followed it will bring about physical injuries or mechanical damage The safety marks and symbols are as follows Meaning of Safety Sign The contents of this mark should be observed clearly Or users are apt to be killed or suffer severe physical injuries The content of this mark should also be observed otherwise users are likely to die or suffer severe physical injuries The content of this mark should also be observed otherwise it will bring about the physical injuries or the mechanical damage Meaning of Marks This mark means a must not This mark means a must for safety This mark should be observed or users are likely to be struck by electricity SunStar 1 1 Machine Transportation The person who knows the safety regulations well should transport machines In case the machines are transported the following directions should be observed a At least 2 persons s
23. to use both hands If you use only one hand it can cause the physical injuries by slipping In case of adjusting the machine with the switch on be sure to see that all is right In case of troubleshooting or checking the machine it should be performed by the trained engineer In case of repair and checking related to electricity be sure to leave the work to an expert or an agent 11 Adjustment of feed dog height and inclination The adjustment of the feed dog height is done by turning the pulley and putting the feed dog 3 at the highest point and as shown in Figure 26 After loosening the lifting bar crank front tightening screw 1 move the lifting bar crank front It is standard to leave around 1 2mm distance from the needle plate s 2 upper side After adjustment firmly fix the lifting bar crank front tightening screw 1 Fig 26 12 Adjustment of main and auxiliary presser foot It 1s standard that the auxiliary and main pressers foot move up and down at the same height According to the conditions of the sewing product the auxiliary presser foot 1 and the main presser foot 2 can be adjusted to have the same amount of movement and either one of the auxiliary presser foot and the main presser foot 2 can be lowered or elevated Use the following information to adjust it 1 Adjusting auxiliary presser foot and main presser foot to make up and down motions at the same height Fig 27 A T
24. uxiliary presser foot q adjust the main presser foot B Adjustment of main presser foot a After placing the thread take up lever at the lowest point lower the presser bar lifter b After opening the upper cover of the rubber stopper 5 loosen the screw 6 c By adjusting the presser foot crank for up and down motions 7 you can adjust the auxiliary presser foot 4 and the quantity of the up and down motion of the main presser foot 8 to different levels d After adjustment is over tightly screw the crank fixing screw 6 and close it with the rubber stopper 13 Adjustment of main presser foot movement A As shown in Figure 29 the feeding quantity of the feed dog is adjusted to be the same as the motion quantity of that of the main presser foot 4 This is the point where the center of connecting single screw aligns the crank of feed rock shafe carved dot 6 and connecting rod of needle bar frame driving shaft 7 B If the above mentioned situation is not properly done you can adjust the motion quantity of the main presser foot according to the sewing conditions 4 by increasing or decreasing the motion amount done as follows Upper feed pp Lower feed Fig 29 a Loosen nut 1 b You can adjust it by moving the eccentric nut 2 connected to the the crank of feed rock shaft c When main presser foot movement is small turn the eccentric nut to the A direction and when turning it backwards turn the eccentric
Download Pdf Manuals
Related Search