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SunStar KM-590BL, User Manual

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SunStar KM-590BL User Manual Download Page 11

11

4) Adjustment of belt tension

The machine rotates to the left when seen from the pulley.  

To get a proper level of belt tension, turn the nut 

②

to an

extent at which the belt 

①

can be bent by 15~20mm when

pressed by hand.

[ Figure 5 ]

①

②

15~20mm

[ Caution ]

Be sure to lift the presser foot when racing the machine.

5) Installation of the knee-lifting device

Fix the knee-lifting device (ass’y) 

①

under the table 

②

with

four screws 

③

.  

[ Figure 6 ]

①

②

③

215

Summary of Contents for KM-590BL

Page 1: ...90BL Single needle unison feed lock stitch sewing machine with vertical large hook 1 For proper and trouble free use of the machine thoroughly 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 05 50 09 9 ...

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: ... device 11 3 ADJUSTMENT OF THE MACHINE 12 1 Placing the needle 12 2 Winding the lower thread 12 3 Inserting the bobbin 12 4 Routing the upper thread 13 5 Adjusting the thread tension 13 6 Adjusting the spring tension 14 7 Adjusting the number of stitches 14 8 Adjusting the presser foot pressure 14 9 Adjusting the feed dog height 15 10 Adjusting the needle and hook timing 15 11 Adjusting the auxili...

Page 4: ...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 The meaning of symbols This symbol means a must not This symbol means a must for safety This symbol mea...

Page 5: ...ges 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 an air conditioner and clean it regularly to prevent dust and moisture build up from contaminating and corroding the machines ⓒ Keep the machines away from di...

Page 6: ...e the machine 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 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 before ...

Page 7: ...fety devices Before threading changing bobbin and needle cleaning etc switch off main switch 손가락 보호대와 안전장치 없이 작동하지 마 십시오 실 보빈 바늘교환시나 청소전에는 반드시 주전원의 스위치를 꺼 주십시오 CAUTION 경 고 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 고압 전류에 의해 감전될 수 있으므로 커버 를 열 때는 전원을 내리고 전원 플러그를 뽑 고 나서 360초간 기다린 후 여십시오 Locatio...

Page 8: ...ication Bed size DESCRIPTION Presser foot height Manual Knee lifting 9mm 16mm SPECIFICATION For very heavy materials 2 000SPM 9mm 35mm DP 17 20 25 standard needle 23 1 1 2mm Vertical full rotating double hook very heavy materials 2 5 5mm Manual drop oiling tank 475mm 178mm 2 Application For container bags car seats large bags suitcases etc raincoats or sewing materials with large thickness differe...

Page 9: ...ill start automatically and can cause physical injuries Connect the ground earth wire An unstable connection may result in an electric shock or a malfunction Place the belt cover on top of the machine Use both hands when bending the machine backward or returning it to the normal position Using only one hand can lead to severe hand injuries due to the weight of the machine 1 Installation of the oil...

Page 10: ... day Oil supply adjustment of the hook Use the screw on the right side of the bed lubrication tank to adjust the amount of oil supply Turn the screw to the right to increase the oil supply and to the left to decrease the oil supply Figure 3 Figure 4 Oil tank 2 Installation of head enclosures Insert the head hinge into the bed hole and align it well with the head hinge rubber of the table Place the...

Page 11: ...el of belt tension turn the nut to an extent at which the belt can be bent by 15 20mm when pressed by hand Figure 5 15 20mm Caution Be sure to lift the presser foot when racing the machine 5 Installation of the knee lifting device Fix the knee lifting device ass y under the table with four screws Figure 6 215 ...

Page 12: ...w of the thread guide and move the thread guide plate to the left and right to ensure the right adjustment 5 Loosen the adjusting screw if there is too much thread on the bobbin or tighten it if there is too little Figure 7 80 2 Winding the lower thread Figure 8 3 Inserting the bobbin Figure 9 1 Insert the bobbin into the bobbin case along the arrow direction as illustrated in the Figure Be sure t...

Page 13: ...ill continue to rotate due to inertia even after the power switch is turned off Be sure to work on the machine only after the motor comes to a complete stop 5 Adjusting the thread tension Turn the screw to adjust tension of the lower thread Set the tension loosely so that when the end of the lower thread is lifted manually the thread does not start to unravel due to the weight of the bobbin case T...

Page 14: ...ng 7 Adjusting the number of stitches Align the number indicated on the dial with a pin placed above the dial The higher the number is the more number of stitches you will get Press in the reverse lever to perform reverse sewing and take your hand off the lever to perform normal sewing Figure 13 8 Adjusting the presser foot pressure Loosen the fixing nut of the pressure adjusting screw Rotate the ...

Page 15: ...at when the hook tip comes in alignment with the center of the needle the clearance between the upper thread hole of the needle and the hook tip is between 0 5mm and 1 5mm Move the needle bar up and down to control the needle bar height and tighten the screw As a standard 1 1 2mm is the maximum height of the feed dog when the number of stitches is set at the highest and the feed dog rises above th...

Page 16: ... foot come to their highest positions either set them at the same height or lower the height of the upper feed presser foot by a small degree For adjustments bring the thread take up lever to the lowest position push down the presser bar lifter unfasten the crank fixing screw and move the adjusting crank left and right When moved to the left the lifting amount of the upper feed presser foot will b...

Page 17: ...of horizontal presser foot movement Figure 21 Small Large Figure 22 Upper feed presser foot Auxiliary presser foot Upper surface of needle plate 8mm 5 Adjusting the height of the auxiliary presser foot With the presser bar lifter pushed up and the feed dog at its lowest position set the very bottom of the auxiliary presser foot to lift 8mm off of the upper surface of the needle plate Tighten the s...

Page 18: ...sition of Up Down movement cam With the dial set at zero and the needle bar lifter pushed up manually rotate the pulley to bring the needle bar to its highest position At this point place the no 2 screw of Up Down movement cam at the 12 o clock position and tighten the screw afterwards ...

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