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KM-390BL
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 . .
User's
Manual
KM-380BL
1 needle, unison feed,
lockstitch cylinder bed type
sewing machine
(with vertical large hook)
KM- 390BL
1 needle, unison feed,
lockstitch cylinder bed type
sewing machine
(with horizontal large hook)
KM-380BL
1) For proper 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 M M M E E - - 0 0 5 5 0 0 6 6 2 2 9 9
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Summary of Contents for SunStar KM-380BL
- Page 1 User’s Manual KM-380BL 1 needle, unison feed, lockstitch cylinder bed type sewing machine (with vertical large hook) KM- 390BL 1 needle, unison feed, lockstitch cylinder bed type sewing machine (with horizontal large hook) KM-390BL KM-380BL 1) For proper use of the machine, thoroughly read this manual before use.
- Page 2 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 3: Table Of Contents
15) Assembling feed cam.............................. 19 16) Adjusting safety assembly............................19 4. Causes of Trouble and Troubleshooting............... 20 1) Sewing machine troubleshooting ..........................20 5. Table drawing ......................... 22 1) KM-380BL ................................22 2) KM-380BLB ................................23 3) KM-390BL ................................24... -
Page 4: Safety Rules For Machines
Safety Rules for Machines Safety labels in the manual are categorized into danger, warning and caution. Failure to follow the safety rules may result in physical injuries or mechanical damages. The safety labels and symbols are defined as follows. [The meaning of the safety labels] Danger Instructions here shall be observed strictly. - Page 5 Installation”. 1-3) Troubleshooting If in need of troubleshooting, call a trained A/S engineer who has been educated by Sunstar. ⓐ Be sure to turn the power off before cleaning and repair. And wait for about 4 minutes until Danger the machine discharges completely.
- Page 6 The KM-380BL/390BL Series are manufactured for industrial use to sew textiles and other 1-4) Machine similar material. When running the machine, users should observe the following things. Operation ⓐ Read the manual before operation of the machine to fully understand the details about its operation.
- Page 7 1-6) Position of “Caution” is attached to the machine for safety. Caution Mark In case of starting to run the machine, read the directions of “Cautions” carefully. [Position of Caution Mark] CAUTION 경 고 Do not operate without finger guard and safety devices.
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Page 8: Specification
Specification 1) Sewing machine Model KM-380BL KM-390BL Specification Max. 2,200 spm Sewing speed Max. 6mm Stitch length DP 17 18( 11~ 23) DP 17 23( 11~ 23) Needle Vertical large hook Horizontal large hook Hook 34.2 Needle bar stroke Gap in height between main 2 5.5... -
Page 9: Confirming Oil Supply
1) Confirming oil supply A. Confirming oil tank KM-380BL/390BL In case of oil tank installed in the upper part of arm, supply oil to the level of the marked line after opening the cover . - Page 10 [Figure 5] [Figure 4] [Figure 7] [Figure 6] [Figure 8]...
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Page 11: Machine Adjustment
Start to work on the sewing machine only after the motor has come to a complete stop. 1) Inserting needle KM-380BL/390BL As in Figure 9, move the needle upper end so that it directly touches the upper side of the stopper hole when the groove of the needle is inserted facing left. -
Page 12: Inserting Lower Thread
4) Inserting lower thread KM-380BL [Figure 11] a. Inserting and removing bobbin case (Refer to Figure 11) - The bobbin case is removed from the hook when you grab and pull the bobbin case handle . (The bobbin is separated when you release the handle .) - In case of inserting the bobbin case , grab the handle and insert. -
Page 13: Routing Upper Thread
Start to work on the sewing machine only after the motor has come to a complete stop. 5) Routing upper thread KM-380BL/390BL Place the thread take-up lever to the highest position and hang the upper thread like in Figure 14. -
Page 14: Adjusting Presser Foot Pressure
▶Only trained engineers must perform repair or inspection of the machine. ▶For electrical repair or inspection, always consult with qualified technicians or agent. 7) Adjusting presser foot pressure KM-380BL/390BL Turning the tension adjustment screw clockwise will make the presser foot pressure stronger, and counter clockwise to make it weaker. -
Page 15: Adjusting Sub Presser Foot And Upper Feed Presser Foot
9) Adjusting sub presser foot and upper feed presser foot KM-380BL/390BL It is normal that both auxiliary presser feet and upper feed presser foot more up and down to the same height. Take the following steps either to adjust the stroke of both to be the same or to make one of the two adjusted lower or higher, depending on sewing materials. -
Page 16: Adjusting Timing Of Sub Presser Foot, Upper Feed Presser Foot And Needle
10) Adjusting timing of sub presser foot, upper feed presser foot and needle KM-380BL/390BL When the needle goes downward, the upper feed presser foot should already be contacted with the feed dog before the end of needle touches with the upper side of feed dog . And when the needle... -
Page 17: Timing Of Needle Plate, Needle And Feed Dog
12) Timing of needle plate, needle and feed dog KM-380BL Locating the feed dog and the needle plate a. Loosen the screw in Figure 23. Adjust the location of the feed dog so that the gap between the feed dog and the needle plate before and after the movement is same. -
Page 18: Adjusting Timing Of Needle And Hook
[Figure 25] 13) Adjusting timing of needle and hook Thread hole KM-380BL a. Place the stitch to “0” and turn the pulley to place the needle Hook point bar to its lowest point. Later, like in Figure 26, ascend the 2.4mm... -
Page 19: Adjusting Clearance Between Hook And Opener
. [Figure 28] 15) Assembling feed cam Feed cam “A” Feed cam “B” KM-380BL The standard is when the No. 1 fixing screw of the feed cam “A”, the center of No. 1 fixing screw of the feed cam “B”,... -
Page 20: Causes Of Trouble And Troubleshooting
Causes of Trouble and Troubleshooting 1) Sewing machine troubleshooting Symptom Checkpoints Root cause Corrective action Direction and height of Reinsert the needle correctly and Needle is inserted into wrong position needle place closely it to its highest position Needle Needle is bent Change the needle Timing of feed dog Bad timing of feed dog... - Page 21 Symptom Checkpoints Root cause Corrective action Direction of the needle Needle is not inserted correctly Insert the needle correctly Blade side of movable Scratch and abrasion of movable Replace movable knife or fixed knife and fixed knives and fixed knives Trimming miss Trimming cam timing The timing of trimming cam is wrong...
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Page 22: Table Drawing
Table Drawing 1) KM-380BL... -
Page 23: Km-380Blb
2) KM-380BLB... -
Page 24: Km-390Bl
3) KM-390BL...
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what table to use with the sun star cylinder arm??