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S S U U N N S S T T A A R R M M A A C C H H I I N N E E R R Y Y C C O O . . , , L L T T D D . .
R
USER ' ' S
MANUAL
KM-2300 2310 Series
KM-2300 Series
D D i i r r e e c c t t D D r r i i v v e e , , H H i i g g h h S S p p e e e e d d , ,
1 1 - - N N e e e e d d l l e e L L o o c c k k S S t t i i t t c c h h M M a a c c h h i i n n e e
w w i i t t h h a a n n A A u u t t o o m m a a t t i i c c T T h h r r e e a a d d T T r r i i m m m m e e r r
1) FOR AT MOST USE WITH EASINESS,
PLEASE CERTAINLY READ THIS MANUAL
BEFORE STARTING USE.
2) KEEP THIS MANUAL IN SAFE PLACE
FOR REFERENCE WHEN THE MACHINE
BREAKS DOWN.
M M M M E E - - 0 0 5 5 0 0 6 6 2 2 7 7
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Summary of Contents for SunStar KM-2300
- Page 1 USER ’ ’ S MANUAL KM-2300 2310 Series KM-2300 Series D D i i r r e e c c t t D D r r i i v v e e , , H H i i g g h h S S p p e e e e d d , ,...
- Page 3 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.
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Page 4: Table Of Contents
CONTENTS … … … … … … … … … … … … … … … … … … … … … … … … … … … … … … … … … … … … … … … … … … … … … … 4 1. - Page 5 7-1. Daily cleaning ……………………………………………………………………………… 23 7-1-1. Cleaning …………………………………………………………………………… 23 7-1-2. Supplying oil………………………………………………………………………… 24 7-1-2-1. Oil flow in gear box ……………………………………………………… 24 Type) ………………………… 25 7-1-2-2. Oil flow in oil tank (KM-2300M & S 7-1-3. Checking …………………………………………………………………………… 25 7-2. Supplying grease (KM-2300S &...
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Page 6: Machine Safety Regulations
Machine safety regulations Safety instructions on this manual are defined as Danger, Warning and Notice. If you do not follow the instructoins, physical injuries and machine damages might be occurred. : This indication should be observed definitely. If not, there will be a danger during the installation, Danger conveyance and maintenance of the machine. -
Page 7: Operating Machine
1-4) Operating KM-2300 Series is made to sew patterns on fabrics and other similar materials for industrial machine use. Follow the following indications when operating the machine. ⓐ Read through this manual carefully and completely before operating the machine. ⓑ Wear proper clothes for work. -
Page 8: Caution Mark Position
1-6) Caution mark Caution mark is attached on the machine for safety. position When you operate the machine, follow the directions on the mark. CAUTION 주 의 Do not operate without finger guard and safety devices. Before threading, changing bobbin and needle, cleaning etc. switch off main switch. -
Page 9: Names Of Main Parts
Names of main parts ⑭ ⑬ ⑫ ① ② ⒔ ③ ⑪ ⑮ ⑩ ④ ⑨ ⑤ ⑧ ⒃ ⑥ ⑦ ① Bobbin winder ⑧ Power switch ② Wiper ⑨ Oil window ③ Presser bar lifting lever ⑩ Reverse lever ④... -
Page 10: Specifications
Specifications K K M M - - 2 2 3 3 0 0 0 0 K K M M - - 2 2 3 3 1 1 0 0 Code Lubrication type Code Application Code Application Light materials General materials Full Dry(No-Lubrication Type) Heavy materials General materials... -
Page 11: Installation
Installation [ Caution ] ·Only trained technicians should install and wire up the machine. ·The machine weighs over 50 kg. More than two persons should install the machine. ·Do not plug in the machine until installation is completed. If the operator mistakenly steps down on the pedal with the plug in, the machine will start automatically and can cause physical injuries. -
Page 12: Table Drawing
[ Figure 4 ] 4-1. Table drawing Please use the table provided by Sunstar. When using self-made table , the thick of table should be more than 40mm. Please use table strong enough to sustain the weight of the machine. -
Page 13: Installing Machine Body
4-2. Installing machine body 1. Control box 1) As in the Figure, attach control box ① to the lower part of table with four bolts ②. ② ① [ Figure 6 ] 2. Pedal switch and connecting rod 1) Attach pedal switch ① to pedal switch bracket ② with four bolts ③. - Page 14 3. Oil Pan ③ 1) Fix two head hinge rubber (B) ① to the rear side of table with nails ④. 2) Fix two head hinge rubber (A) ② to the front side of table with nails ④. 3) Insert four head hinge rubber (c) ③ into four holes of oil ⑤...
- Page 15 5. Deflation Bushing cap 1) Remove deflation-bushing cap①. 2) If deflation-bushing cap① is not removed, oil may spill from gearbox cover②. ① ② [ Figure 10 ] 6. Machine body 1) Insert two hinges ① firmly into the holes of the rear side of machine bed.
- Page 16 8. Thread stand 1) As in the Figure, fix the thread stand① to table. ① [ Figure 13 ] 9. Knee Lifter Pad 1) As in the figure, attach knee lifter pad① to the lower part of oil pan. And then fix it with bolt②. 2) Loosen bolt③...
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Page 17: Supplying Oil
4) The standard height is 10mm. Maximum height is 15mm. Standard 10 mm (Max. 15mm) [ Figure 16 ] 4-3. Supplying oil [ Caution ] ·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. -
Page 18: Trial Run (Pedal Operation)
2. Lubricant supply to oil fan 1) Fill the oil fan with lubricant up to the “HIGH” mark. 2) Use either the oil for SunStar industrial sewing machines Shell’ s Tellus C10 as lubricant. 3) When the lubricant level falls to “Low”, the oil fan shall [ Figure 19 ] be refilled with lubricant until it reaches the “HIGH”... -
Page 19: Preparations For Sewing
Preparations for sewing 5-1. Installing needle [ Caution ] ·Always turn off the power when mounting a needle. If the operator mistakenly steps on the pedal while the power is on, the machine will start automatically and can result in physical injuries. -
Page 20: Winding Lower Thread
5-3. Winding lower thread [ Caution ] ·Make sure not to touch or press down parts that are operating or moving during thread winding. Failure to follow the safety rules may result in physical injuries or mechanical damages. 1. Turn on the power switch. 2. -
Page 21: Inserting Upper Thread
5-5. Inserting upper thread [ Caution ] ·Always turn off the power when inserting upper thread. If the operator mistakenly steps on the pedal while the power is on, the machine will start automatically and can result in physical injuries. 1. -
Page 22: Sewing
Sewing [ Caution ] ·Wear protective gears for safety. Operation without them may lead to physical injuries. ·Turn off the machine in the following situations. If the operator mistakenly steps on the pedal with the plug in, the machine will start automatically and can cause severe injuries. -
Page 23: Adjusting Thread Tension
6-3. Adjusting thread tension [ Caution ] ·When inserting and removing bobbin case, make sure to turn off the power switch. Pressing pedal by mistake may result in physical injuries or mechanical damages. Sewing Type Cause Troubleshooting Good sewing in balance Upper thread tension is too weak Make upper thread tension strong or Lower thread tension is too strong... -
Page 24: Adjusting Upper Thread Length After Trimming
6-4. Adjusting upper thread length after trimming 1. During the trimming process, main thread release tension is not created but only auxiliary thread release ① tension is created. 2. The adequate length of upper thread after trimming is 35 ~ 40mm. -
Page 25: Inspecting And Checking
Inspecting and checking To maintain proper performance of machine and use it for a long time, clean machine regularly according to the following way. Evan when machine is not in use for a long time, clean according to the following way before using the sewing machine. [ Caution ] ·Turn off the power switch before operation. -
Page 26: Supplying Oil
2. If the oil surface is lower than the “MIN” carved line, supply oil in the following orders. [ Figure 34 ] [ Supplying Oil ] Always use genuine lubricant of SunStar. (Lubricant is in the accessory box of the machine.) ③ 1. Disassemble the air exhaust rubber cap ③. -
Page 27: Oil Flow In Oil Tank (Km-2300M & S Type)
7-1-2-2. Oil flow in oil tank (KM-2300M & S Type) 1. When the machine operation is normal, check the position of oil gauge② in the oil window①on the left of reverse lever. 2. It is normal that the upper part of oil gauge② is between two orange carved lines. -
Page 28: Supplying Grease (Km-2300S & F )
③ number : GP-001994) 4. Apply the grease to the place where the grease needs to be applied. 5. If the grease is used up, only buy and use the Sunstar’s genuine grease. [ Figure 38 ] 7-2-2. Greaging cycle 1. -
Page 29: Maintenance And Repair
Maintenance and repair [ Caution ] ·For machine maintenance and repair, consult with qualified technicians. ·For electrical maintenance and repair, consult with qualified technicians or agencies. ·When safety devices are disassembled, make sure to return them to original positions. ·Use both hands when bending the machine backwards or returning it to the original position. Using only one hand can lead to severe hand injuries due to the weight of the machine. -
Page 30: Adjusting Presser Foot Height
8-3. Adjusting presser foot height ④ ·Standard height of presser foot is 5.5mm, when presser foot ① ③ is raised by pressing bar lifter ②. ② 1. Put pressure on presser foot by loosening the nut ③ and unfastening pressure adjusting nut ④. ⑥... -
Page 31: Adjusting Needle Bar Height
[ Figure 44 ] 8-6. Adjusting height and slope of feed dog ③ ·The maximum height of feed dog① from the upper surface of ① needle plate is 0.8mm(for KM-2300 A and Gtype) and ④ 1mm(for KM-2300 B and H type) ⑥... -
Page 32: Needle And Conveying Timing
A, G) (KM-2300 B, H) needle plate ②. (KM-2300 B and · The two surfaces of feed dog ① and needle plate ② are aligned with each other. The distance between the needle tip and the [ Figure 46 ] surface of needle plate ②... -
Page 33: Adjusting Trimming Time
8-9. Adjusting trimming time 1. Turn pulley to raise needle bar by 10~20° from the lowest position. ③ 2. Push the trimming lever① so that the thread trimming knife ③ on the hill of the movable knife② is about 1~1.5mm more protruded than the end of the fixed knife④. -
Page 34: Replacing Movable Knife
8-10-2. Replacing movable knife 1. To replace the movable knife①, turn the pulley manually to ① place the needle at the highest position. ② 2. Unscrew two moveable knife fixing screws② and remove them as shown in Fig. 52. 3. Follow these instructions in reverse order to assemble. [ Figure 52 ] 8-10-3. -
Page 35: Adjusting Bobbin Stopper
8-11. Adjusting bobbin stopper 1. If bobbin stopper① is inserted too deeply into bobbin case, lower remaining thread will be so short that bobbin cannot ① rotate. As a result, sewing may not be created in the next sewing. 2. On the contrary, if bobbin stopper① is not inserted enough, upper thread will missed from bobbin stopper during trimming and the length of remaining thread in needle will be short. -
Page 36: Oil Supply Adjustment (Km-2310 Series)
4. After turning idly the sewing machine for three minutes (at Hook an appropriate speed), secure the oil flow checking paper as shown in Fig. 58 and run the machine for about five seconds. Then check the oil tape marked on the paper. 5. -
Page 37: Adjusting Automatic Knee Lifter (Option Device)
8-14. Adjusting automatic knee lifter (Option device) 1. An automatic knee-lifter will be attached to the sewing machine upon shipment. 2. The lifting amount of the presser foot when automatically lifting the knee is controlled by the automatic knee-lifting solenoid shaft crank①. -
Page 38: Causes Of Troubles And Troubleshooting
Causes of troubles and troubleshooting 1) Sewing machine troubleshooting Symptom Checkpoints Root cause Corrective action Needle is inserted into wrong direction. Direction and height of needle Reinsert the needle correctly. Needle is bent. Needle Replace the needle. Bad timing of feed dog. Adjust the timing of feed dog. - Page 39 Symptom Checkpoints Root cause Corrective action Too tight upper thread tension. Reduce tension of upper thread. Upper thread does not sink. Too loose lower thread tension. Increase tension of lower thread. Too weak upper thread tension. Increase upper thread tension. Lower thread does not sink.
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