Jack k4 Series, Use Manual

Page 1: ...0 51 K4 K4 series use manual...

Page 2: ...ap 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...

Page 3: ...ure2 1 K4 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 T...

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: ...above Fourth on the Lubrication oiling Note In order to prevent personal accident caused by the sudden start of the machine please turn off the power make sure the motor does stop turning and then op...

Page 6: ...the first time It is 1 the factory refueling recommended to use the oil 22 When filling open the plug marked with OIL and add the oil between the upper and lower engraved lines Turn on the sewing mac...

Page 7: ...or does stop 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...

Page 8: ...ifth the use of sewing machines Note In order to prevent personal accident caused by the sudden start of the machine please turn off the power make sure the motor does stop turning and then operate 1...

Page 9: ...into the needle clamp and the needle groove is to the inside 5 1 Note In order to prevent personal accident caused by the sudden start of the machine please turn off the power make sure the motor doe...

Page 10: ...9 51 5 2 When the needle thread stretching in a larger amount figure5 3 When the needle thread stretching in a smaller amount 1...

Page 11: ...3 3 stitch length adjustment 1 5mm 4 5mm Machine stitch length can be adjusted within the range of 1 5mm 4 5mm actual sewing stitch length depending on the type and thickness of the cloth The sewing m...

Page 12: ...personal accident suddenly please turn off the power supply confirm the motor really stop running again then operate 4 Differential regulation 0 8 1 3 Within differential range of 0 8 1 3 loose and ad...

Page 13: ...y confirm 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...

Page 14: ...onal 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 threa...

Page 15: ...om 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 norm...

Page 16: ...15 51 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 17: ...1 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 b...

Page 18: ...and 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 nee...

Page 19: ...18 51 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 20: ...51 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 thre...

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Page 22: ...djusting 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 Divid...

Page 23: ...en 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...

Page 24: ...e 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 p...

Page 25: ...needle K4 01GB 356 3 5 3 8 3 0 3 2 K4 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...

Page 26: ...of left needle the distance of looper and 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 g...

Page 27: ...ust 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 Loos...

Page 28: ...op 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 2...

Page 29: ...1 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 speci...

Page 30: ...02BB 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 betwee...

Page 31: ...moving 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 nee...

Page 32: ...ght 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...

Page 33: ...hrough the to make lower cutter component movement to the left figure 1 At the time of the moving cutter moves to the far left position nose position the point of moving cutter should be 0 5 1 0 mm be...

Page 34: ...the above conditions can t meet at the same time then need to loosen nut 1 and nut 2 to adjust the process of shearing electromagnet by adjusting he process of shearing electromagnet to meet the requ...

Page 35: ...34 51 3 4 set screw crank disk drive connecting rod nut 1 nut 2...

Page 36: ...ents moves from the initial position to the left the moving blade moves to the place of looper roughly in the center width of the looper 1 2 position figure 5 we can by loosening set screw 2 then turn...

Page 37: ...e install the lower blade we must check the relative position of the lower blade component and there is a card point or not 0 5 1mm 7 1 9 0 5 1mm 7 8 1 10 4 4mm 11 When moving blade moves to the far r...

Page 38: ...between the moving blade and the fixed blade is 0 5 1 mm at that time the moving blade is parallel to the fixed blade figure 7 and figure 8 Loosen the screw 1 to adjust the before and back distance a...

Page 39: ...38 51 8 9 Moving cutter is parallel to the fixed cutter Screw1 Screw3 Screw4 Screw2 Fixed cutter...

Page 40: ...39 51 10 11 4 Adjust clip and pressure sheet 12 clip Pressure sheet clip is parallel to the fixed cutter...

Page 41: ...use moving blade and the clip to steadily the bottom line lower looper to adjust the clamp force between the clip and moving blade it can be adjusted by rotating set screw clockwise for clamp force i...

Page 42: ...nfirm the needle bar at the highest point the lower looper at the far right point and then can only manually push the lower cutter assembly to confirm the relevant position Second adjust the top cover...

Page 43: ...to 0 5 1 0mm Figure 13 13 2 14 2 spring clamping force of up thread trimmer asms adjustment Trim the upper thread trimmed by the clamping spring to adjust the clamping force of the clamping spring an...

Page 44: ...loosen the set screw The clamping force of the clamping spring decreases After the adjustment is completed tighten the set nut Figure 14 Note Please be able to clamp the upper decorative line range tr...

Page 45: ...ew 4 Adjust the mounting plate to the left and right to adjust the angle of the upper knife set so that the knife is centered between the needle and the needle Figure 15 The tip of the knife is essent...

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Page 48: ...iper position adjustment When the wiper passes the presser foot the gap between the splinter and the presser foot is 1 mm Figure 18 and the front and rear position of the wiper can be adjusted by loos...

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Page 50: ...een the safety switch and the solenoid valve The clearance between the safety switch and the solenoid valve is 0 5mm Adjust the clearance between the safety switch and the solenoid valve by loosening...

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