Table of Contents
Advertisement
S S u u n n S S t t a a r r C C O O . . , , L L T T D D . .
R
USER ' ' S MANUAL
KM-1640BL-7
Semi-direct, one-needle,
upper & lower feed lock stitch
machine with automatic thread
trimmer with large hook
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 - - 1 1 2 2 0 0 9 9 1 1 1 1
Advertisement
Table of Contents
Subscribe to Our Youtube Channel
Related Manuals for SunStar KM-1640BL-7
Summary of Contents for SunStar KM-1640BL-7
- Page 1 USER ’ ’ S MANUAL KM-1640BL-7 Semi-direct, one-needle, upper & lower feed lock stitch machine with automatic thread trimmer with large hook 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.
- 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.
-
Page 4: Table Of Contents
Contents 1. Machine safety regulations --------------------------------------------------------------------- 1-1) Transporting machine --------------------------------------------------------------------------- 6 1-2) Installing machine --------------------------------------------------------------------------------- 6 1-3) Repairing machine -------------------------------------------------------------------------------- 6 1-4) Operating machine ------------------------------------------------------------------------------- 7 1-5) Safety devices ------------------------------------------------------------------------------------- 7 1-6) Caution mark position ---------------------------------------------------------------------------- 8 1-7) Contents of marks -------------------------------------------------------------------------------- 8 2. - Page 5 8. Maintenance and Adjustment of Sewing ----------------------------------------------- 8.1) Adjusting needle bar----------------------------------------------------------------------------- 25 8.2) Adjusting timing of needle and hook ------------------------------------------------------- 25 8.3) Adjusting lubrication of thread take-up spring part ------------------------------------- 26 8.4) Adjusting lubrication of hook ------------------------------------------------------------------ 26 8.5) Adjustment of Top Stop Position ----------------------------------------------------------- 26 8.6) Adjusting presser foot pressure ------------------------------------------------------------- 27 8.7) Adjusting stitch length -------------------------------------------------------------------------- 27 8.8) Adjusting feed dog height and inclination ------------------------------------------------- 28...
-
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. Danger : This indication should be observed definitely. If not, there will be a danger during the installation, conveyance and maintenance of the machine. -
Page 7: 1-4) Operating Machine
1-4) Operating KM-1640BL-7 Series were designed as industrial sewing machines to perform sewing on fabric, leather, and other similar materials. Please observe the following instructions machine during machine operation. ⓐ Read through this manual carefully and completely before operating the machine. -
Page 8: 1-6) 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 ⑥ ⑨ ③ ⑤ ⑦ ⑮ ⑧ ⑬ ④ ② ① ⑭ ⑩ ⑫ ⑪ [Fig. 2-1] ① Presser Foot ② Reverse Button ③ Oil Window ④ Climb Dial ⑤ Thread Winder ⑥ Thread Stand ⑦ Pulley ⑧... -
Page 10: Specification
Specification 3.1) Sewing machine Model Name KM-1640BL-7 Item Speed Max 2,000 SPM Max stitch length Max 9mm Needle DP×17 #22, DB×1 #22 Thread take-up stroke 73mm Needle bar stroke 38mm Presser foot stroke 2∼5.5mm Presser foot Manual ascending Auto 16mm... -
Page 11: Installation
Installation •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 13: Installation Of Sewing Machine Body
4.5) Installation of Sewing Machine Body 4.5.1) Installation of Hinge, Oil Pan and Machine 1Insert the hinge rubber① into the table. After inserting the oil tray in the middle of head supporting rubber B② as shown in the figure 1, install it into the table. Insert the machine head hinge③ into the bed holes. By inserting it into the hinge rubber①, stand the machine on the head support rubber A④... - Page 14 4.5.4) Control Box 1) Attach the control box① undersurface of the table with 4 bolts② as shown in the figure. ② ② [Fig. 4-8] 4.5.5) Pedal switch and connecting rod 1) Attach pedal switch ① to pedal switch bracket ② with four bolts ③.
- Page 15 4.5.7) Installation of Motor Cover 1) Cover A is assembled at the right end of the arm as shown in the figure. Then fix it to the arm using 5 screws①. Cover Support Bar A 2) After assembling the cover A, assemble a hand pulley into the upper shaft.
- Page 16 Fill the lubricant to “HIGH” position. (Refer to Figure 4-15) b) Please use SUNSTAR lubricant exclusive for industrial sewing machine or SHELL’ s TELLUS C10. c) When the lubricant in use is at LOW position, fill it immediately to HIGH position.
-
Page 17: Trial Run (Pedal Operation)
4.6) Trial run (Pedal operation) Make sure not to touch or press down parts that are operating or moving during operation. Failure to follow the safety rules may result in physical injuries or mechanical damages. Caution 1) Press pedal lightly to the position of B to check if the machine is operating low-speed sewing. -
Page 18: Reverse Button Function (For Automatic Trimming Type)
4.8) Reverse button function (for automatic trimming type) Pressing the reverse button during forward sewing will start reverse sewing immediately. When you stop the machine and restart it by stepping down on the pedal with the reverse button already pressed down, you can perform reverse sewing from the beginning. -
Page 19: Preparations For Sewing
Preparations for sewing 5.1) Installing needle Always turn off the power when mounting a needle. If the pedal is accidentally stepped, the machine might unexpectedly operate, causing injury. Caution Move the needle upper end so that it directly touches the upper side of the stopper hole② when the groove ①... -
Page 20: Winding Lower Thread
5.3) Winding lower thread 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. Caution 1) Turn on the power switch. 2) Insert bobbin①... -
Page 21: Sewing
Sewing •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. - When inserting upper thread Caution - When replacing bobbin or needle... - Page 22 6.2.1) Adjusting upper thread A. Thread control assembly Like in Figure 6-2, turning the tension adjustment nut ① of the thread tension control assembly clockwise makes the upper thread tension stronger and counterclockwise makes it weaker. The result ② of the needlework depends on the sewing conditions such as the sewing material, used thread and stitch length.
-
Page 23: 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 24: Cleaning
7.2) Cleaning 7.2.1) Cleaning Frequency and Method 1) Make sure to turn off the power of the machine before cleaning. 2) The parts disassembled for cleaning should be assembled in the reverse order of disassembly. Caution Required Parts for Cleaning Cleaning Frequency Around Hook Daily... -
Page 25: Maintenance And Adjustment Of Sewing
Maintenance and Adjustment of Sewing •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 26: Adjusting Lubrication Of Thread Take-Up Spring Part
8.3) Adjusting lubrication of thread take-up spring part As in the figure 8-3, the more the point② of the control plate of oil flow① goes close to the center of hole of thread take-up crank shaft, the more oil comes. On the other hand, the more the point goes close to the corner⑤... -
Page 27: Adjusting Presser Foot Pressure
•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 original position. Due to the weight of the machine, your hand can get stuck in the machine if you should slip. •When adjusting the machine with the switch on, be sure to pay extreme caution. -
Page 28: Adjusting Feed Dog Height And Inclination
8.8) Adjusting feed dog height and inclination A. Adjust the height of the feed dog③ by loosening the clamp screw② of the leverage crank(front) and moving the leverage crank(front)①. B. To adjust the inclination of the feed dog, loosen the fixing screw of feed dog inclination adjustment crank⑥ in the horizontal pushing crank④... -
Page 29: Adjusting Feeding Amount Of Auxiliary Presser Foot
■ In case of running vertically the auxiliary presser foot and the upper feed presser foot at the same height A. Adjusting the auxiliary presser foot - Loosen the presser bar pressure adjustment screw① and the bracket fixing screw②. - Adjust vertically the bracket fixing screw② so that the auxiliary presser foot④ goes up by 8mm from the upper side of the needle plate when the presser bar lifter③... -
Page 30: Adjusting Feed Cam
8.11) Adjusting feed cam The timing of the feed dog and the needle is determined by moving vertically the feed cam④. First, turn the pulley with hands to fix the needle bar to the highest point. The standard position will be when the center of the No. 1 fixing bolt② of the presser foot vertical move cam①... - Page 31 B. Adjusting fixing blade and movable knife a) Like in Figure 8-14, the standard position is where the cut part of the movable knife is aligned with the center of the fixed blade. b) When partⓐ becomes bigger in Figure 8-14, three pieces of threads are to be produced, causing the movabl e knife...
- Page 32 b) Adjusting the thread trimming solenoid ① First, loosen the solenoid link pin fixing screw. Later, fix the solenoid base clamp screw where the clutch lever moves smoothly. Then, attach the slide arm to the right side. Fix the thread trimming solenoid link pin fixing screw where the solenoid stopper is attached to the solenoid.
- Page 33 The standard position of the thread trimming cam following crank before its operation is shown in Figure 8-19. If the position of the roller is changed, adjust it Caution with stopper and perform the adjustment describe above in a~b. [Fig. 8-19] F.
-
Page 34: Adjusting Blade Pressure
8.13) Adjusting blade pressure A. As in Figure 8-22, the standard is when the contact between the movable knife and the fixed blade begins. movable knife B. In particular, when the cutting quality gets worse by using a thick thread, strengthen a little bit the tension of the fixed blade. -
Page 35: Adjusting Thread Release
B. In case that the thread is cut or the cut part of the thread is not neat, please confirm the cutting part of the fixed blade. If the bottom of the fixed blade is worn, sharpen fixed blade the end of the blade using an oil whetstone.(Refer to Figure 8-26) oil whetstone [Fig. -
Page 36: Causes Of Troubles And Troubleshooting
Causes of Troubles and Troubleshooting 1) Sewing machine troubleshooting Symptom Checkpoints Root cause Corrective action Direction and height of Needle is inserted into wrong position Reinsert the needle correctly needle Needle Needle is bent Change the needle Timing of feed dog Bad timing of feed dog Adjust the timing of feed dog Needle breaks...
Need help?
Do you have a question about the KM-1640BL-7 and is the answer not in the manual?
Questions and answers