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SunStar KM-1060BL, User Manual

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SunStar KM-1060BL User Manual Download Page 39

39

No

Condition

Checking Point

Cause of Trouble

Troubleshooting

Insufficient crossing quantity of movable
and fixed blade

Take-up lever pulls out the upper
thread because the needle up and
down position is too high

Crossing of trimmer cam
notch mark and blade

Up-stop position of
needle

Trimming errors

6

Adjust the stroke of movable and fixed
blade

Adjust the up-stop position of
needle

7

Upper thread is
pulled out when
sewing
commences

Upper thread is
not sunk

Lower thread is
not sunk

4

5

Too tight upper thread tension

Reduce tension of upper thread

Too loose lower thread tension

Increase tension of lower thread

Too weak upper thread tension

Increase tension of upper thread

Too strong lower thread tension

Decrease tension of lower thread

Tension of fixed blade

Tension not aligned between movable and fixed blade

Adjust tension of movable and fixed blade

Edge of movable and fixed blades

Abrasion in blade groove of movable and fixed blade

Replace movable and fixed blade

Direction of needle

Wrong needle insertion

Reinsert the needle correctly

Too strong upper thread tension

Adjust tension of upper thread

Too thick a needle for thread

Check thickness of needle

Summary of Contents for KM-1060BL

Page 1: ... Stitch Machine with an Automatic Thread Trimmer KM 1062BL High Speed 2 Needle Unison Feed Lock Stitch Machine KM 1062BL 7 High Speed 2 Needle Unison Feed Lock Stitch Machine with an Automatic Thread Trimmer 1 FOR PROPER AND CONVENIENT USE OF THE MACHINE THOROUGH READ THIS MANUAL BEFORE USE 2 KEEP THIS MANUAL IN A SAFE PLACE FOR FUTURE REFERENCE IN CASE THE MACHINE BREAKS DOWN M MM ME E 0 05 50 06...

Page 2: ... functions high performance powerful operation enhanced durability and more sophisticated design to meet a number of user s needs 2 Please read this user s manual thoroughly before using the machine Make sure to properly use the machine to enjoy its full performance 3 The specifications of the machine are subject to change aimed to enhance product performance without prior notice 4 This product is...

Page 3: ...g separating a bobbin 3 Winding lower thread 4 Routing upper thread 5 Thread tension adjustment 6 Adjustment of the stitch length 7 Adjustment of lifting amount of main and auxiliary presser foot 8 Pressure adjustment of the presser foot 9 Timing adjustment of needle and feed dog 10 Height adjustment of feed dog 11 Timing adjustment of needle and hook 12 Clearance adjustment of hook and opener 13 ...

Page 4: ...re shall be observed strictly Otherwise the user will be killed or suffer severe physical injuries Instructions here must be observed or the user could suffer fatal or severe physical injuries Instructions here should be observed or the user could face physical injuries or mechanical damages Danger Warning Caution The meaning of marks This mark means a must not This mark means a must for safety Th...

Page 5: ... such as functional difficulties or breakdowns may occur depending on installation conditions of the machines Be sure to heed the following conditions ⓐ Remove the packing from top to bottom Watch out for nails on the wooden box ⓑ Install a climate controller and clean it regularly to prevent dust and moisture build up from contaminating and corroding the machines ⓒ Keep the machines away from dir...

Page 6: ...ine is in motion keep your hands or any part of your body away from moving parts e g needle hook thread take up spring and pulley etc ⓓ Do not remove any form of safety covers while the machine is in use ⓔ Be sure to connect the ground earth wire ⓕ Before opening electric boxes such as the control box shut down the power supply and make sure the power switch is in off mode ⓖ Stop the machine befor...

Page 7: ... without finger guard and safety devices Turn off the main switch before threading changing bobbin and needle or cleaning 손가락 보호대와 안전장치 없이 작동하지 마 십시오 실 보빈 바늘교환시나 청소전에는 반드시 주전원의 스위치를 꺼 주십시오 CAUTION 경 고 High voltage will cause injury Power off unplug and wait at least 6 minutes before opening this cover 고압 전류에 의해 감전될 수 있으므로 커버 를 열 때는 전원을 내리고 전원 플러그를 뽑 고 나서 360초간 기다린 후 여십시오 Location of caution mark C...

Page 8: ... set the sewing speed at under 2 000 spm to avoid mechanical damages 2 Motor Watt 550 W 550 W 550 W Hertz 50 60 Hz 50 60 Hz 50 60 Hz Model HEC 1706 Single Phase HEC 1705 Triple Phase Voltage 110V 220V 220V 380V Watt 400W 400W Hertz 50 60Hz 50 60Hz A Specifications of Servo motor B Specifications of clutch motor Model S3M55 1B S3M55 2B S3M55 3B Voltage Single Phase 110V Single Phase 220V Triple Pha...

Page 9: ...performed by a qualified technician or agent The machines weigh over 52 kg As such two or more people should carry out the installation Plug in only after the installation is complete If the operator mistakenly steps down on the pedal with the plug in the machine will start automatically and can cause physical injuries Connect the ground earth wire An unstable connection may result in an electric ...

Page 10: ...ver A secure it onto the machine body using three belt cover fixing screws 5 Program unit thread trimming type A Use four fixing screws to attach the bracket onto the program unit B Fasten the bracket onto the machine body using two fixing screws and washers Fig 4 Fig 5 Fig 6 3 Belt tension adjuster After installing the motor slacken both fixing nuts and just enough to give adequate tension to bel...

Page 11: ... of lifting amount of presser foot Conversion cylinder for stitch length Fig 7 Function Converts the lifting amount of the main and auxiliary presser foot to the maximum 7 mm in an instant Performs reverse sewing Raises the presser foot to as high as 16 mm off the surface of needle plate Performs sewing in accordance with the settings of the lower stitch length dial when this particular cylinder b...

Page 12: ...ion Secure the thread spool stand assembly onto the table using washer and nut on the right side 8 Knee lifting pad thread non trimming type A Place the socket of the knee lifting pad ass y from the accessory box into the knee lifting shaft B Loosen the bolt to set a position comfortable for knee lifting and then re tighten it Fig 8 Fig 9 Fig 10 Caution Take out the knee lifting pad ass y before p...

Page 13: ...on Plug in only after oil supply is finished If the operator mistakenly steps on the pedal with the plug in the machine will start automatically and can cause severe injuries When handling lubricants wear protective glasses or gloves to avoid contact with your eyes or skin Inflammation may be caused otherwise Never drink lubricants since they can cause vomiting or diarrhea Keep it out of the reach...

Page 14: ...ne thread trimming type D Oil window check After applying oil to each friction parts turn on the main switch and operate the machine at a low speed for five minutes to check the oil flow in the oil hose passing the oil window The oil flow can be checked after about one minute of machine operation To ensure the machine is maintained in an excellent condition run the machine at 2 000 spm minute for ...

Page 15: ...everse sewing from the beginning When the machine is in a stop mode you can change up down position of the needle bar by pressing the reverse button Lightly pressing the button once will stop the needle bar in a high position Pressing the reverse button twice within less than a second will stop the needle bar in a low position In short the button delivers two functions one for reverse sewing and t...

Page 16: ...e sewing machine will run at the setting value as displayed in the top cover dial Automatic back tack B T selection switch This switch is designed to select Insert Delete of the start and end of B T sewing Switch for stopping needle bar at high position designed to raise the needle bar to the highest position regardless of the stop position of the sewing machine Conversion switch for the stitch le...

Page 17: ...he sewing machine by moving the pedal foothold forward and backward as illustrated below Function Low speed operation High speed operation Neutral position Presser foot lift Trimming operation When pedal is pressed down at forward step 1 When pedal is pressed down to the maximum in forward position When pedal is not pressed down Original position When pedal is pressed down at backward step 1 When ...

Page 18: ...ial screen 2 Setting potentiometer How to set Relation between presser foot lifting amount and maximum speed of the sewing machine When setting each step of P1 P2 and P3 be sure to press button to save the set value Otherwise the set value will not be saved The sign from screen 3 to 8 in the above table may vary to some degree depending on the location of the installed potentiometer If you turn of...

Page 19: ... dropping it through the thread path ⓐ and the bottom of the shaft tension spring plate Let the lower thread hang about 50 mm Place back the bobbin by referring to How to separate starting from end to beginning 2 Inserting separating a bobbin Fig 21 Fig 22 Fig 23 ⓐ 1060BL 1062BL Caution Always turn off the power when mounting a needle If the operator mistakenly steps on the pedal while the power i...

Page 20: ...ng the adjusting screw Move the screw clockwise for more quantity and counterclockwise for less quantity c As for adjusting the tension of the lower thread winded on the bobbin turn the nut clockwise direction to increase the tension and counterclockwise to reduce the tension 4 Routing upper thread After placing the take up lever in its highest position hang the upper thread as shown in the figure...

Page 21: ...2 BL type As indicated in Figure 28 tension of the left thread will become stronger when tension adjusting nut of the thread adjusting device is turned clockwise and weaker when turned counterclockwise If you turn the tension adjusting nut clockwise tension of the right thread will become stronger and weaker when turned counterclockwise Fig 26 Weak strong Fig 28 Fig 27 Strong Weak Strong Weak Caut...

Page 22: ...ever spring in a clockwise direction the operating timing of the take up lever spring will become faster and slower when turned counterclockwise The standard operating timing of the take up lever spring is when the stopper screw comes to position at the center of the guide plate Fig 30 Fig 31 Weak Strong c Adjustment of the take up lever spring If you loosen the stopper clamp screw and turn the ta...

Page 23: ... right 6 Adjustment of the stitch length Adjusting dial and designed to control the stitch length can be set up with two different lengths and change the stitch length whenever switch is pressed down After pressing down switch to turn the switch on the sewing machine will carry out sewing at the stitch length as set on dial When pressing down switch again to turn the switch off the machine will st...

Page 24: ...indicates For trimming types only when the light comes on by pressing the switch on the arm the mutual crossing movement will change to the maximum value of 7 mm regardless of the set value indicated on the dial When the light goes off by repressing the switch the movement will change automatically to the set value on the dial 8 Pressure adjustment of the presser foot If you turn the dial on the u...

Page 25: ...rew firmly afterwards Normally the No 1 screw of the lower feed cam faces the centerline of the lower feed cam connecting rod when the needle bar is in the highest position Fig 38 Caution After disassembling and adjusting a safety device always place it back to the original position and check whether it functions as intended Use both hands when pushing the machine backward or returning it to the o...

Page 26: ... needle Fig 41 0 02 0 1mm 2mm H 10 Height adjustment of feed dog Set the stitch length to a minimum and put the feed dog in the highest position The needle bar will come down to the lowest position and the feed dog must be raised 0 5 mm off of the needle plate If the position is not suitable make the height adjustment as indicated below A Disassemble the bed cover B Unfasten the fixing screw of th...

Page 27: ...r pushing back the machine loosen the fixing screw of the lower shaft collar and place the needle to ascend 2 mm off of the lowest position Adjust the hook tip to come to the center of the needle and firmly fasten the fixing screw At this time the clearance between the hook tip and the needle eye is 1 4 mm B Clearance adjustment between needle and hook Unfasten the fixing screw and of the hook bas...

Page 28: ...er to the needle 14 Height adjustment of the auxiliary presser foot Normally the auxiliary presser foot lifts 9 mm off the needle plate when the pressure bar lifter is raised A Raise the pressure bar lifter unfasten the pressure adjusting screw and bring up the auxiliary presser foot 9 mm off the surface of the needle plate B Loosen the fixing screw of the pin attached onto the pressure bar lifter...

Page 29: ... upper lid c Loosen the clamp screw and turn the machine until the needle tip and the upper part of the feed dog come to meet on the surface of the needle plate d Adjust the crank to make sure that the main and auxiliary presser foot touch the needle plate at the same time and fasten the clamp screw e After adjustment place back the rubber cap on the upper lid C Timing adjustment of the main auxil...

Page 30: ...e solenoid stroke must be assembled at 8 5 mm ⓒ When the assembling is finished check if the solenoid shaft returns quickly and smoothly to the original position when released from the arrow direction If not readjust the solenoid shaft by unfastening the clamp screw Fig 51 b Fixing the position of the trimming cam ⓐ Turn the pulley manually to place the take up lever about 1 2 mm off of the lowest...

Page 31: ...shed for the trimmer cam leading roller must enter the range of the complementary straight line by rotating the pulley to place the trimming cam in the right position ⓑ While pressing down the trimmer shake linkage to move the roller to completely come inside the trimmer cam The right equal point of the roller should adhere smoothly to the right inside of the cam s complementary straight line and ...

Page 32: ...wer side of hook stopper ⓑ Clearance adjustment of the movable knife edge and hook stopper front side Loosen the needle plate and secure the hook stopper on the needle plate Unfasten the fixing screw of the movable knife shaft eccentric bushing Insert a thin driver or any adequate size pin into the hole of the eccentric bushing and turn it to the left and right The clearance will be adjusted as th...

Page 33: ...n check the adhesion of the movable and fixed blades by checking the ink trace left on the surface of the movable knife If adhesion is not acceptable turn the pressure adjusting screw of the fixed blade support to the left and right for pressure adjustment Caution Forcefully turning the pressure adjusting screw in a clockwise direction can break the fixed blade Good Bad Turn the pressure adjusting...

Page 34: ... condition of the movable knife tip if thread does not break easily during operation or if the thread tip is untidy When the blade tip is dull use sand paper or oil grindstone to sharpen the edges D Checklist for assembly of other trimming devices a Checking the operation starting point of the movable blade during trimming when the movable blade begins to move by manual trimming operation check wh...

Page 35: ...A Disassemble the upper lid with the dial set at 1 B Push down the pressure bar lifter to lower the presser foot C Press the solenoid plate towards the arrow direction D After loosening nut turn the cam nut around and check if the tray opens to a width of 0 8 1 0 mm Then securely tighten the nut E Reassemble the upper lid after adjustment Fig 60 0 8 1 0mm ...

Page 36: ... of oil supply is not adequate a Take off the sliding plate left b Turn the machine manually until you see the adjusting screw for the oil supply level of the hook c The amount of the oil supply will decrease when the adjusting screw is turned in a clockwise direction and increase when turned in a counterclockwise direction Check the level of the oil supply after adjustment Fig 61 Excessive Oil su...

Page 37: ...ed in Figure 65 and fasten the clamp screw G Refer to the previous instruction for setting each gauge Fig 63 Fig 62 Fig 65 Fig 64 Caution Only qualified and trained technicians should change the gauge Before replacing always turn off the power switch and pull the power plug If the operator mistakenly steps on the pedal with the switch on the machine will start automatically and can cause injury Wh...

Page 38: ...le and hook Adjust the timing of needle and hook Threading method Wrong threading Thread the needle correctly Needle Bent needle or broken needle tip Change the needle Direction and height of needle Needle inserted in the wrong position Insert the needle correctly Upper thread tension Too tight upper thread tension Reduce tension of upper thread Lower thread tension Too loose lower thread tension ...

Page 39: ...t sunk 4 5 Too tight upper thread tension Reduce tension of upper thread Too loose lower thread tension Increase tension of lower thread Too weak upper thread tension Increase tension of upper thread Too strong lower thread tension Decrease tension of lower thread Tension of fixed blade Tensionnotalignedbetweenmovableandfixedblade Adjust tension of movable and fixed blade Edge of movable and fixed...

Page 40: ...40 6 Table drawing ...

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