SunStar KM-570BL User Manual Download | Manualshive

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8) Installation of knee lifting pad

A. Find the lap lifting pad (ass'y)

①

in the accessory box

and insert it into the shaft of the oil pan's control body

②

.

B. Loosen bolt

③

and maintain knee-lifting pad in vertical

position to tighten it.

[Figure 8]

9) Installation of air pressure related parts and checking their functions (optional)

(1) Installation

As shown in the figure, after fixing the air pressure filter

on the bracket, use the neck screw to fix the bracket on

the lower side of the table.

(2) Air pressure adjustment

a) Adjust the pressure by taking out and lifting the air

pressure filter

①

knob

②

.

b) After adjusting the air pressure to. 0.49

㎫

(5

㎏

f/

㎠

)

turn the knob

②

to its original position and the

adjustment is over.

[Figure 9]

①

②

Caution

▶

In need of regulating the machine with the switch on or with the air injected, please pay special
attention to your safety.

▶

Please adjust air pressure to 0.5Mpa.

①

②

③

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Summary of Contents for KM-570BL

Page 1: ... sewing machine with automatic thread trimmer KM 572BL 2 needle drop feed needle feed sewing machine KM 572BL 7 2 needle drop feed needle feed sewing machine with automatic thread trimmer R 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 MM ME E 0 06 60 07 71 10 0 ...

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: ... the lower thread 14 4 Routing the upper thread 14 5 Adjusting the thread tension 15 6 Adjusting the tension of the presser foot 17 7 Stitch length adjustment 17 8 Adjusting timing of needle and hook 17 9 Clearance adjustment between hook and opener 18 10 Adjusting feed dog height 19 11 Adjusting the auxiliary presser foot and the upper feed presser foot 19 12 Adjusting timing of the auxiliary pre...

Page 4: ...l be observed strictly Otherwise the user will be killed or suffer severe physical injuries Warning Instructions here must be observed or the user could suffer fatal or severe physical injuries Caution 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 Thi...

Page 5: ...s are likely to occur according to the environment in which the machine is being installed Therefore the following preconditions should be fulfilled ⓐ Please keep the order from top to bottom when unpacking the package Especially mind that the nail on the boxes ⓑ Because machines are apt to be contaminated and corroded by dust and moisture you should install the climate controller and should clean...

Page 6: ...en threading the needle or before checking after sewing be sure to stop the machine ⓗ Don t switch on the power supply with the foot on the pedal ⓘ Don t run the machine when the cooling fan are not running Be sure to clean the air filter in the control box once a week ⓙ If possible keep off from the strong electronic wave like a high frequency welding machine 1 4 Machine Operation Warning Warning...

Page 7: ...e 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 커버를 열 때는 전원을 내리고 전원 플러그를 뽑고 나 서 360초간 기다린 후 여십시오 CAUTION 경 고 Do not operate without finger guard and safety devices Before threading changing bobbin and needle cleaning etc switch off main switch 손가락 보호대와 안전장치 없이 작동하지 마십시오 실 보빈 바늘교환시나 청소전에는 반드시 주전원의 스위치를 꺼주십시오 CAUTION 경 ...

Page 8: ...ial to stop the machine without manual pedaling Available in two types SEDG 1C for edge sensing type and SEDG 2C for thickness sensing type An essential device when one person is operating multiple sewing machines Has different pedals for acceleration thread trimming presser foot and ascending pedal Types consist of SPDL 1 for fixed speed and SPDL 2 for variable speed When the pedal is placed at r...

Page 9: ...machine it should be performed by the trained engineer In case of wiring work be sure to leave the work to an expert or an agent The machine weight over 42kg At least 2 persons should carry out the installing work Plug in after finishing the installing work In case the user press on the step by mistake the machine runs automatically By doing so it can cause the physical injuries Connect the earthe...

Page 10: ... 4 Belt tension adjustment After installing the motor if you sufficiently loosen the fixed nuts and tension in the belt will occur naturally because of the weight of the motor At this moment tighten the fixed nut and use fixed nut to fix it firmly See figure 4 Figure 4 Caution Be sure to plug in after finishing oil supply If the user press on the step by mistake the machine runs automatically By d...

Page 11: ...upporting screw and insert the cover into the groove Use the belt cover fixing screws 2EA to fix the cover to the body of the machine B Insert the belt cover B into the belt cover A while maintaining the balance Use the belt cover fixing screws 3EA to fix the belt covers to the body of the machine Figure 6 5 Installation of program unit Trimmer Type A Use 4 fixed screws to fix the bracket on the p...

Page 12: ...n As shown in the figure after fixing the air pressure filter on the bracket use the neck screw to fix the bracket on the lower side of the table 2 Air pressure adjustment a Adjust the pressure by taking out and lifting the air pressure filter knob b After adjusting the air pressure to 0 49 5 f turn the knob to its original position and the adjustment is over Figure 9 Caution In need of regulating...

Page 13: ...k and the bobbin holder to separate the bobbin see Figure 11 3 Adjustment of the Machine Figure 11 Figure 10 Caution In case of setting the needle be sure to switch off the power supply In case the user press on the step by mistake the machine runs automatically By doing so it can cause the physical injuries In case of using the clutch motor the motor revolves because of inertia for a while even a...

Page 14: ... the needle hole is 50 mm for initial sewing Figure 13 Caution In case of adjusting the tension of the lower thread be sure to switch off the power supply If the users press on the step by mistake the machine runs automatically By doing so it can cause the physical injuries In case of using the clutch motor the motor revolves because of inertia for a while even after switching off the power supply...

Page 15: ...w of the hook clockwise makes the lower thread tension stronger and counterclockwise makes it weaker Figure 14 Figure 15 3 Adjusting the tension of thread take up lever spring A Adjusting the thread take up stroke As in figure 16 loosen the stopper clamp screw and turn the thread take up lever s spring stopper clockwise to make the stroke smaller and counter clockwise to make it bigger The thread ...

Page 16: ...te for the thread take up spring to make the timing of the spring faster and counter clockwise to make it slower The timing of the thread take up spring tension is normal when the guide plate is located in the middle as can be seen in figure Figure 17 Figure 18 Strong Weak D Adjusting the auxiliary thread tension control assembly for automatic trimming type As in Figure 19 when the auxiliary threa...

Page 17: ...edle bar holding screw in Figure 23 to make sure that the needle bar carved sign ⓐ meets the end ⓑ of the frame then tighten the screw Figure 22 Figure 23 Caution After finishing dismantling or adjusting the safety devices be sure to install it in the original position properly and check whether it functions as desired or not In case of bending the machine backward or returning to the original con...

Page 18: ...d left so that the distance between the hook and the opener is about 0 2mm as in Figure 28 when the opener is pulled to its max towards the arrowed direction Figure 28 3 Adjusting the distance between the needle and the hook edge Raise the needle from its lowest point so that the hook edge meets the needle center As in Figure 26 when the lower part of the needle meets the balance point of the hook...

Page 19: ...oot move up and down It is normal that both of them move 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 1 Adjusting the strokes of both to be the same A The vertical motion range of the supplementary presser foot and the upper feed presser foot is 2 6mm B Loo...

Page 20: ...asten the bracket fastening screw first and then adjust the pressure adjusting screw Affter the adjustment of the height of the auxiliary presser foot adjust the upper feed presser foot Adjusting the upper feed presser foot Loosen up and down crank clamp screw when the pressure lifter is down Move the needle bar close to its highest position Adjust the height of the upper feed presser foot to the ...

Page 21: ...presser foot See Figure 32 Figure 32 13 Adjusting stroke of upper feed presser foot 1 As in Figure 33 the machine is adjusted to have the same amount of upper feed presser foot stroke as the feed dog stroke The baseline of the shake crank is aligned with the baseline of the collar 2 Take the followings steps if the two base lines are not aligned or if it is necessary to adjust the stroke of the up...

Page 22: ...itch off and remove causing factors of load Later with safety button pressed turn the pulley to place the driving ball of safety assembly to its original position Adjust the intensity of the safety assembly spring by rotating safety assembly adjustment screws from side to side in accordance with working conditions Turning the screw to left makes the intensity stronger and right to make it weaker M...

Page 23: ...aches to the end C Loosen the screws to set the distance between the moving blade and the hook stopper at 0 5mm Figure 36 3 Adjustment of Trimmer Cam A Set the distance between the oil pump and the trimmer cam bushing at 34mm and then fasten the tightening screw B Place the trimmer cam to closely contact the end of the bushing Place the thread release cam to closely contact the end of the trimmer ...

Page 24: ...ew 5 Maintenance of Fixed Blade If the thread cutting fails often or if the cut section of the thread is not smooth check the fixed blade status If the blade is blunt use a find sandpaper or greased whetstone to sharpen the blade see Figure 40 Figure 40 4 Adjustment of Moving and Fixed Blade Pressure A Loosen the fixing screw for the fixed blade base B Turn the eccentric screw to adjust the blade ...

Page 25: ...pening is adjusted by the thread release roller which is installed at the protruded part of the thread release collar Loosen the screw Fasten the screw after tightening the thread release cable 5 Loosen the nut to make the fine adjustment When the cable cap is moved to the right side the opening will become bigger Figure 41 17 Installation of Automatic Lap Lifting Device optional 1 First of all re...

Page 26: ...26 2 Connect the pneumatic unit and the cylinder as in Figure 42 and 43 by using the pneumatic hoses Figure 43 ...

Page 27: ...eedle and the hook interfere each other Wrong threading Bent needle The direction and height of the needle inserted is wrong Too tight upper thread tension Too tight lower thread tension Too much working capacity There is a scratch on the hook edge There is a scratch on the needle hole of the feed dog There is a scratch on the thread case and around the needle plate Upper and lower thread tensions...

Page 28: ...t match Tension and contact of movable and fixed knives are bad Needle is not inserted correctly Scratch and abrasion of movable and fixed knives Trimming cam timing is bad Stroke of thread release is too small Wrong trimming timing The opening on the thread tension control plate is too small Too strong tension on the auxiliary thread tension control assembly Too much working capacity Volume is ad...

Page 29: ...29 5 Table Drawing ...

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