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SunStar SC9200 Series, User Manual

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SunStar SC9200 Series User Manual Download Page 17

17

3) THREAD TENSION ADJUSTMENT

To fasten the thread (to increase the thread tension), turn the
thread tension cap clockwise. To loosen the thread (to decrease
the thread tension), turn each thread tension cap
counterclockwise. Each thread tension should be set light as
possible but adjust the tension to form the beautiful stitches. 

4) PRESSER FOOT PLACEMENT/REMOVAL

To remove the presser foot,
1) Turn the hand pulley to the highest point. 
2) lower the presser lifting lever

①

and then rotate the presser

foot arm

②

toward the side.

To change the presser foot, 
1) Turn the hand pulley to the highest point.
2) lower the presser lifting lever

①

and then reach the presser

foot arm

②

in good condition.

5) PRESSER FOOT PRESSURE ADJUSTMENT 

The presser foot pressure should be set light but transfer the
sewing material precisely and adjust the pressure to form regular
stitches. 
1) Loosen the adjusting nut

①

to adjust the presser foot pressure

and tighten the adjusting screw

②

as much as you need. 

2) Fix the adjusting nut

①

by tightening after adjusting. 

[Figure 16]

[Figure 17]

[Figure 18]

Strong

Weak

Adjust  the  thread  tension  according  to
the sewing materials and the thread. 

Reference

Weak

Strong

①

②

①

②

Summary of Contents for SC9200 Series

Page 1: ... MANUAL BEFORE STARTING USE 2 KEEP THIS MANUAL IN SAFE PLACE FOR REFERENCE WHEN THE MACHINE BREAKS DOWN M MM ME E 1 10 01 11 10 03 3 USER S MANUAL R S Su un nS St ta ar r C CO O L LT TD D SC D T 9200 Series SC D T 9300 Series High Speed Overlock Sewing Machine ...

Page 2: ...dustrial sewing machine with refined design improved durability great power perfect performance variable functions based on skills and experience 2 Please read this manual thoroughly before use 3 This manual can be changed the contents without prior notice to improve the functions 4 This is designed and manufactured as an industrial machine Do not use this machine for other than its intended use ...

Page 3: ...515 516 Lift Standard High Extra high Ultra high 2 3 4 5 41 03 04 05 12 14 15 16 Rows of Feed Dogs 1 Row Standard 2 Rows Standard 3 Rows Standard 4 Rows Standard 5 Rows Standard 1 Row Special 2 Rows Special 3 Rows Special 4 Rows Special 5 Rows Special 1 2 3 4 5 6 7 8 9 0 SC92 04 N 0 4 2 3 3 3 5 Wrinkle Free N Series Code SC92 SCC92 SC93 SCT92 SCT93 SC94 SCT94 SC95 SCD92 SCD93 Over edge Over edge C...

Page 4: ...2 LUBLICATING OIL 13 3 OIL GAUGE OIL WINDOW 13 4 MANUAL LUBRICATION 13 5 SILICONE OIL OF HR DEVICE 14 6 LUBLICATING OIL CHANGE 14 7 OIL FILTER CHANGE 14 8 ADJUSTMENT OF OIL FLOW RATE OF THE UPPER LOOPER 15 7 STANDARD ADJUSTMENTS 16 1 NEEDLE 16 2 NEEDLE REPLACEMENT 16 3 THREAD TENSION ADJUSTMENT 17 4 PRESSER FOOT PLACEMENT REMOVAL 17 5 PRESSER FOOT PRESSURE ADJUSTMENT 17 6 PRESSER FOOT STITCH WIDTH...

Page 5: ...HAIN STITCH LOOPER OF SC9300 SERIES ADJUSTMENT 28 24 QUANTITY OF SUPPLIED THREAD ADJUSTMENT 29 25 UPPER BLADE CHANGE 30 26 LOWER BLADE CHANGE 30 27 OVEREDGE WIDTH ADJUSTMENT 30 28 HEMMING WIDTH ADJUSTMENT 31 29 ADJUSTING UPPER FEED DOGS SCT SERIES 31 30 ADJUSTING OF UP DOWN POSITION AND OPERATING RANGE 32 31 PRESSURE FOOT CHANGE 34 32 PRESSURE FOOT POSITION ADJUSTMENT 34 33 LEFT RIGHT POSITION OF ...

Page 6: ...Undo a package from the top in order Beware nails in wooden box ⓑ Dust and humidity can cause pollution and corrosion of the machine Air conditioner should be equipped and cleaned regularly ⓒ Do not expose the machine directly to the sun ⓓ Allow at least 50cm of space on each side of the machine for convenient maintenance ⓔ Explosion hazard Do not operate machine in explosive atmospheres where aer...

Page 7: ...r control box ⓖ Turn the machine off when threading needles or inspecting the finished sewing ⓗ Do not press the pedals when you turn on the power ⓘ Do not drive when the cooling fan is blocked with dust Clean the air filter in control box once a week ⓙ Install the machine away from strong electromagnetic wave such as high frequency welder as far as possible 4 Machine Operation Warning Caution WAR...

Page 8: ...ty protection device Turn off the combination switch before threading lever change needle selection and cleaning 손가락싸개 및 안전보호장치 없이 작업하지 마십시오 실 꿰기 레버 변경 바늘 선택 및 청소 전에는 통합스위 치를 off 상태로 바꾸십시오 Caution Do not operate without finger guard and safety devices Before cleaning and changing thread needle and etc tum off main switch 손가락 보호대와 안전장치 없이 작동하지 마십시오 실과 바늘 교환시나 청소전에는 반드시 주전원의 스위치를 꺼주십시오 CAUTION Do no...

Page 9: ...9 2 2 ENTIRE STRUCTURES FRAME Face plate Top cover Oil window Hand pulley Thread adjuster Oil gauge Presser foot Power switch Spool thread stand Protective devices Finger guard Safety valve ...

Page 10: ...ick Stuff sewing knitwear type max 6000 7500 s p m depend on the sewing material 1 4 4 5mm max 5 5mm 7mm depend on the sewing material Organ DCx27 Nm 7 130 3 5mm max 5 7mm depend on the sewing material Button system 0 7 2 0 8 1 5 Adjust screw and adjust lever Automatic lubrication by oil pump General sewing machine oil ISO VG 22 Explanation Stitch form Use Sewing speed Stitch width Needle Needle d...

Page 11: ...tension 2 adjust the length of deflection around 2cm when pressing the center of the belt Install the belt cover with the screw Figure 1 Figure 2 Connect the presser lever to the treadle by using the chain Adjust the length of the chain to make the treadle easier to operate Figure 3 Check the OFF status condition of a power switch before adjusting tension on the belt Caution Install the belt cover...

Page 12: ...tatus condition of a power switch before lubricating Warning Do not put foreign substances into the lubricating oil to prevent oil from aging of and breaking down Caution We recommend that you operate the sewing machine at the rate of 4 000 s p m for 200hours about a month for the durability The direction of the main shaft pulley and the motor pulley rotation is clockwise Caution Figure 4 Figure 5...

Page 13: ...he sewing machine first time or do not use it quite a while This sewing machine is shipped without oil To use the machine without breakdown open the rubber stopper on the top cover and lubricate oil to the top limit of the oil gauge 2 LUBICATING OIL Small quantity of lubricating oil cause the machine breakdown and large quantity of lubricating oil cause the quality deterioration because of the spa...

Page 14: ... filter when removing it Caution 6 LUBRICATION OIL CHANGE Change the oil after the first month and then change it every six months If not the life of the sewing machine is going down 1 Discharge the lubricating oil by loosening the oil outlet screw 2 After discharging fix the oil outlet screw firmly 5 SILICONE OIL OF HR DEVICE Put the silicone oil into the silicone oil tank Fill up the lack of oil...

Page 15: ... screw clockwise will decrease the oil flow rate and turning it counterclockwise will increase the oil flow rate SCD 9200 Series SCD 9300 Series Please do not manipulate arbitrary because there are concerns about the leak in case of increasing the oil flow rate of the upper looper and the burning in case of decreasing the oil flow rate of it Caution ...

Page 16: ...This sewing machine uses the DC 27 sized needle Select the proper needle according to the thickness and type of the sewing materials because of the various size of needle Japanese size 9 10 11 12 13 14 21 Metric size 65 70 75 80 85 90 130 Figure 15 Figure 14 7 7 STANDARD ADJUSTMENTS Check the OFF status condition of a power switch before setting the needle Warning Do not remove the needle set scre...

Page 17: ...e the presser foot arm toward the side To change the presser foot 1 Turn the hand pulley to the highest point 2 lower the presser lifting lever and then reach the presser foot arm in good condition 5 PRESSER FOOT PRESSURE ADJUSTMENT The presser foot pressure should be set light but transfer the sewing material precisely and adjust the pressure to form regular stitches 1 Loosen the adjusting nut to...

Page 18: ... in the state of pressed button turn the hand pulley to the direction Turn the manual pulley to the direction to decrease the stitch Same as the stitch length setting of SCD series Table 1 1 2 3 4 5 6 7 SC9204 01 233 4 0 6 1 13 1 66 2 19 2 72 3 25 3 8 SC9204 02H 233 3 0 6 1 13 1 66 2 19 2 72 3 25 3 8 SC9214 03 333 2X3 0 6 1 13 1 66 2 19 2 72 3 25 3 8 SC T 9214 03 333 2X4 0 6 1 13 1 66 2 19 2 72 3 ...

Page 19: ...d raise the lever 2 After adjusting tighten the nut 8 MAX MIN DIFFERENTIAL FEED RATIO FEEDING VOLUME OF THE MAIN FEED DOG 1 Loosen the screw remove the cover from the back of the sewing machine 2 Loosen the nut and move up down the link To increase the differential feed ratio move the link toward direction To decrease the differential feed ratio move the link toward direction 3 After adjusting pla...

Page 20: ...t face of the needle plate and the end of the 2 or 3 feed dogs from the end of the main feed dog backside Table 2 To do this loosen the screw move up down main feed dog as much as required 3 Raise the feed dog by turning the hand pulley When the end of the main feed dog is aligned with the front face of the needle plate the end of the differential feed dog should be aligned with the front face of ...

Page 21: ...rrow for the thin stuff Loosen the screw fix the sub feed dog by adjusting it up down Figure 26 Figure 27 11 GRADIENT OF FEED DOG ADJUSTMENT 1 When the main differential feed dogs are raised from the lowest position to the front face of the needle plate the feed dogs should be aligned with the front face of the needle plate 2 To do this adjustment open the side cover and loosen the screw After adj...

Page 22: ...m the left the bottom of the needle bar adjust the distance b between the end of the lower looper and the center line of the needle bar as follows SC D T 9200 SC D T 9300 series b 3 7 3 9mm SC D T 9316 04 435 SC9344 04 435 b 4 1 4 3mm To do this adjustment loosen the screw adjust the looper holder left right then fix it by screw 2 Front rear of lower looper adjustment When the end of the lower loo...

Page 23: ... the end of the upper looper is across the backside of the lower looper set the distance c about 0 5mm and the distance d about 0 2mm Then tighten the screw 2 When the upper looper is farthest from the left adjust the mentioned setting distance b between the end of the lower looper and the center line of the overlock needle then tighten the screw SCD series same as Table3 Model SC T 9300 SC T 9204...

Page 24: ... to make the needle on a aslant by the guidance The distance a is 0 0 05mm To do this loosen the screw and move the rear needle guidance back forth as required The end of the lower looper is on the center line of the needle to adjust the needle guidance before When the needle is on a slant by the needle guidance after the distance b between the needle and the needle guidance after is 0 1 0 2mm To ...

Page 25: ... needle guidance after should be 0 0 05mm To do this loosen the screw and move the needle guidance after back forth as required 2 To adjust the needle guidance arrange the distance d between the double chain stitch needle and the needle guidance to 0 05 0 1mm To do this loosen the screw and move the needle guidance before back forth as required Figure 36 Figure 37 Back Front Back Front c 0 0 05mm ...

Page 26: ... Tighten the presser foot pressure adjusting screw when adjusting the pressure 19 PRESSER FOOT ARM LEFT RIGHT ADJUSTMENT 1 Loosen the screw 2 Move the manual lifting lever up and down Remove the presser foot bar from the arm smoothly To do this adjust the presser foot arm shaft from side to side 3 Tighten the screw 20 PRESSER FOOT LIFTING LEVER ADJUSTMENT 1 Fix the feed dog on the needle plate 2 L...

Page 27: ...fting lever adjust the distance a between the front face of the needle plate and the back face of the presser foot To do this move the stopper bolt up down as required 3 Tighten the nut 22 PRESSER FOOT STOPPER ADJUSTMENT 1 Loosen the nut 2 When lifting the presser foot set the distance b between the stopper and the presser foot arm at the 0mm Adjust the stopper up down by loosening the screws 3 Ti...

Page 28: ... to set the distance between the looper holder and the needle groove at 0 0 05mm by turning adjusting screw Tighten the screw 3 Adjust the back forth momentum of the double chain stitch looper Remove the cover loosen the screw turn the hinge pin as required Turn to direction to make quantity increased Turn to direction to make quantity decreased 4 Adjust the quantity when changing the double chain...

Page 29: ...ove to ⓐdirection to decrease the quantity and move to ⓑ direction to increase the quantity N No ot te e To increase the quantity of threads move it to direction like the figure To decrease the quantity of threads move it to direction like the figure N No ot te e The quantity of the double chain stitch looper thread can be changed by adjusting the looper take up lever or thread guidance When the n...

Page 30: ...nual pulley 26 LOWER BLADE CHANGE 1 Loosen the screw Move the fixed blade holder to the left to the utmost limit Tighten the screw temporarily 2 Loosen the screw remove the fixed blade Install new fixed blade depending on the order 3 4 above mentioned 1 UPPER BLADE CHANGE CAUTION The edge of the fixed blade is located 0 0 3mm below the front face of the needle plate to install new fixed blade 27 O...

Page 31: ...antity with the lever Move to direction to increase the quantity Move to direction to decrease the quantity Tighten the bar lifter To adjust slightly loosen the bar lifter and then turn bar lifter as required Tighten the bar lifter after completing this adjustment Figure 55 2 Forward backward Feed Adjustment Loosen the screw Adjust the range by moving the stopper and Table 6 Forward backward Feed ...

Page 32: ...rew Set the gap between the upper feed dog and the differential feed dog to 0 2mm by moving the upper feed dog 3 4 Tighten the bar lifter 4 To adjust up down operating range of the upper feed dog 4 1 loosen the screw To set the operating range a of the upper feed dog by the link as required turn the pulley until the upper feed dog is in the highest position and measure the height of the upper feed...

Page 33: ...osen the nut 2 control the pressure with using the adjustment screw The pressure should be enough to move the texture exactly but the upper feed dog should not damage the texture Check the standard measures on the table 9 Turn to direction to increase the pressure Turn to direction to decrease the pressure Table 9 The Height of the Pressure Adjustment Screw for the Upper Feed Dog Model a SCT9214 0...

Page 34: ...e screw to eliminate the pressure of the pressure foot arm 2 Turn the pulley until the needle is on the lowest position 3 Loosen the screw Match the part that the needle passes through of the pressure foot and the needle hole on the needle plate Adjust the pressure foot to make the pressure foot and upper side of the needle plate in parallel Then tighten the screw 4 Loosen the screw Move the press...

Page 35: ...edal lifting lever Maintain the gapⒶ by using the gauge Table 10 2 2 Loosen the screw To contact the lever press collar to the arrow direction and match the pressure foot arm at the same time Tighten the screw 3 Adjust the lift timing of the upper feed dog 3 1 Press the pedal lifting lever Maintain the gapⒶ by using the gauge Table 10 3 2 Loosen the screw To contact the lever press collar to the a...

Page 36: ... and tighten the nut to fix the screw safely 6 Lift the pressure foot Loosen the screw 7 Adjust the pressure foot lifting range a by the stopper Table 11 8 Tighten the screw SCT9200 Series 1 Turn the pulley until the bottom of the feed dog is below the upper side of needle plate 2 Loosen the nut 3 Pull down the pressure foot lifting lever until it is close to the screw Adjust the pressure foot lif...

Page 37: ... the feed dog upper looper and lower looper periodically Particularly clean the needle plate and the slot of the feed dog The accumulation of foreign substances on the feed dog slot is responsible for the breakage of the needle plate Figure 77 ...

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