Jack K4-D Series Page 37 User Manual Download

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图15

12、压脚高度调节

12. Adjusting presser height

调节压脚高度时，调整螺钉的高度，不让压脚和其他零件相接触，然后用螺母进

行固定。

When you are adjusting presser height, you should adjust the screw

height to avoid presser touching other spare parts, and then fix it

withnut

图16

Front guard needle

Front guard needle
protect device

looper

Front guard needle

nut

screw

Summary of Contents for K4-D Series

Page 1: ...K4 D K4 D series use manual...

Page 2: ...seam wrapping Sewing speed The maximum speed 5500RPM Factory speed 4000RPM Needle width 3 3Needle 5 6mm 6 4mm 2 2Needle 2 8mm 3 2mm 5 6mm 6 4mm Differential feed ratio 0 8 1 3 Stitch length 1 5mm 4 5...

Page 3: ...ure2 1 Operatio n panel Silicone oil reservoir Upper PLUG Oil sight window Needle bar guard Presser foot adjustment screw Thread take up guard Finger guard Indication plate Stitch adjustment knob Thre...

Page 4: ...tegrated into machine head parameters can be adjusted on machine directly achieved interpersonal exchange easy and convenient to operate Third the installation method 1 1 table size and installation m...

Page 5: ...cident caused by the sudden start of the machine please turn off the power make sure the motor does stop turning and then operate 1 22 OIL When the machine is shipped from the factory the oil is disch...

Page 6: ...When filling open the plug marked with OIL and add the oil between the upper and lower engraved lines Turn on the sewing machine after refueling to see if there is any oil spilled in the oil window If...

Page 7: ...p turning and then operate 2 2 3 2 factory oiling When the machine is used for the first time in the factory or when the sewing machine is not used for a long time be sure to drop 2 3 drops of oil to...

Page 8: ...d by the sudden start of the machine please turn off the power make sure the motor does stop turning and then operate 1 1 the needle installation method When installing the needle the needle head need...

Page 9: ...ccident caused by the sudden start of the machine please turn off the power make sure the motor does stop turning and then operate 2 2 threading method standard threading method 5 2 When the needle th...

Page 10: ...start of the machine please turn off the power make sure the motor does stop turning and then operate 3 3 stitch length adjustment 1 5mm 4 5mm Machine stitch length can be adjusted within the range of...

Page 11: ...omes smaller 5 5 Figure 5 5 Note In order to prevent the machine from personal accident suddenly please turn off the power supply confirm the motor really stop running again then operate 4 Differentia...

Page 12: ...onfirm the motor really stop running again then operate 5 Adjust presser foot pressure It should be as light as possible yet be sufficient to obtain the proper stitch formation When adjust pressure fo...

Page 13: ...l accident suddenly please turn off the power supply confirm the motor really stop running again then operate 6 Thread tension adjustment Thread clamp device according to the different fabric thread a...

Page 14: ...personal accident suddenly please turn off the power supply confirm the motor really stop running again then operate 7 Inspect and replace oil filter 6 There are dust on oil filter it couldn t normal...

Page 15: ...Note if the oil in accordance with the provisions oil window spewing oil abnormal too weak the phenomenon such as bubbles please timely replace or clean oil filter 5 9 Figure 5 9...

Page 16: ...and lower needle position 1 In figure 1 upper and down needle position display interface 1 Modify speed P 100RPM 1 100RPM 1 3 P The panel shows P Then press or to adjust speed up and down short press...

Page 17: ...In the P interface long button for 3 seconds parameter will restore factory Settings J4 J5 except for the monitoring data of J6 4 Parameter description...

Page 18: ...y time M needle position function 0 1 1 0 off 1 on H Dormancy time 0 6 3 0 off unit 10min V Speed display 0 1 0 0 off 1 on F 3s J The panel shows P press for 3 seconds inter monitoring parameter and i...

Page 19: ...heavy Please check if the machine needs lubrication E2 software over curre nt Motor used too much Restart machine after several minutes then please check if the fabric much too heavy E3 3s real voltag...

Page 20: ...nd the down needle position signal is working E6 Speed governor abnormal To check if the presser foot back to the correct position or not to check if the safety switch button is damaged or not the out...

Page 21: ...20v EC System under volt age Mean the voltage abnormal please check if the voltage is normal or not Means waiting for the power and need to restart again or recover to the factory reset Ed Brake resis...

Page 22: ...1 Cooler wire guide adjustment Adjust the release needle thread guide hight to the number below then tightening screw Figure7 1 Accounting to different fabric we can change thread taking up length by...

Page 23: ...center of shuffing release pole rod to 80mm then tight the set screw For various type of fabric we can adjust the thread taking up length by change this distance The distance between margin of needle...

Page 24: ...Figure8 2 3 8 3 3 Adjustment of spreader thread take up at the top point release set screw make the top of inner guide line fix to the bottom of guider slot then tight the set screw Figure 8 3...

Page 25: ...Figure 8 3 4 8 4 1 Adjustment of thread cam and thread cam guider Hit thread cam adjustment When needle at the top Figure 8 4 adjust hit thread cam make it at the position that just start hit thread...

Page 26: ...8 4 5...

Page 27: ...usting the base thread distance first loose screw and adjust dividing thread plate position If dividing thread plate moving up the thread distance get less while vice versa 6 Picture 6 5 H 7 H Dividin...

Page 28: ...the needle run to the highest point the height of needle plate to left needle pinpoint is H Picture 7 and H parameter as follows standards Machine Model 30 8mm Standards 30 8mm 33 4mm Height 33 4mm Mo...

Page 29: ...in the lowest point and looper in the right end point the distance between looper pinpoint to right needle middle point is called Leading distance A Picture 8 between looper to needle the detailed par...

Page 30: ...01GB 364 3 1 3 4 2 6 2 8 K4 02BB 356 3 5 3 8 3 0 3 2 K4 01BB 364 3 1 3 4 2 6 2 8 K4 35AC 356 3 1 3 3 3 0 3 2 K4 35AC 364 2 7 2 9 2 6 2 8 8 Picture 8 0 0 05mm 9 0 05 0 1mm 9 Adjusting the distance betw...

Page 31: ...nd left needle is 0 05 0 1mm picture 9 9 Picure 9 7 1 3 0 0 05mm 10 7 Adjusting rear guard needle When the needle bar is at the lowest point adjusting the rear guard needle to make it on 1 3 of the ri...

Page 32: ...swing timing bar to adjust the size of thread loop if the thread loop is too large or too small that leads to needle skipping thread broken problems Making use of over thread bar to adjust 11 Loose s...

Page 33: ...get larger 11 Picture 11 9 9 Adjusting feed teeth height 2 1 2mm 2 1 1 2mm 1 Adjusting feed teeth height when feed teeth get the maxmium point loose srew2 and adjusting the feed teeth height to 1 2mm...

Page 34: ...13 H H Spreader height H is the distance between needle plate to needle adjusting Spreader height and loosing screw 1 then move Spreader up or down picture 13 to adjusting the height is H the specific...

Page 35: ...2BB 356 7 8 9 2 K4 02BB 364 7 8 8 8 K4 35AC 356 7 8 9 2 K4 35AC 364 7 8 8 8 13 Picture 13 1 0 5mm 2 4 5 5 0mm 2 Spreader moving from right towards to left loose screw 1 adjusting the distance between...

Page 36: ...ing towards left through the inside of all needles adjusting the distance between needle and front guard needle to be 0 3 0 5mm Checking thread is thick or thin to ensure the thread can be pass needle...

Page 37: ...When you are adjusting presser height you should adjust the screw height to avoid presser touching other spare parts and then fix it withnut 16 Front guard needle Front guard needle protect device lo...

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