JUKI MO-6000S series Скачать руководство пользователя страница 32

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Standard Adjustment

(15) Adjusting the presser foot

1) Adjusting the tilt of the presser foot

The presser foot should be positioned so that the feed dogs go down under the specified presser foot

pressure, and the presser foot sole comes in contact evenly with the throat plate surface.

2) Adjusting the micro-lifting mechanism of the presser foot

Throat plate

Содержание MO-6000S series

Страница 1: ...gh Speed Overlock Machine High Speed Overlock Machine Safety Stitch Machine MO 6000Sseries MO 6900Gseries for Extra heavy weight Materials High Speed Variable Top Feed Overlock Machine MO 6900Rseries...

Страница 2: ...en carrying out the maintenance of these machines In addition for the motor for the sewing machine with thread trimmer refer to the separate Instruction Manual or Engineer s Manual for the motor And f...

Страница 3: ...20 1 Returning amount of the double chain looper 20 2 Longitudinal motion Avoid motion 20 3 Clearance between the double chain looper and the needle 20 10 Adjusting the height and clearance of the nee...

Страница 4: ...f the top feed dog when the presser lifting lever is operated 60 38 Position of the thread guides and the looper thread take ups 62 39 Adjusting soft chain making mechanism 64 1 Replacing the parts wi...

Страница 5: ...E13 USA standard 504 1 6 3 2 4 4 8 mm 7 0 mm MO 6714S 2 needle Overlock machine JIS E24 USA standard 514 2 2 4 3 2 mm 3 2 4 4 8 mm 6 5 mm MO 6716S 2 needle Safety stitch machine JIS E13 D12 USA stand...

Страница 6: ...2 needle Overlock machine JIS E24 USA standard 514 2 2 4 3 2 mm 3 2 4 4 8 mm 6 5 mm MO 6916S 2 needle Safety stitch machine JIS E13 D12 USA standard 516 1 5 to 4 mm 2 3 2 4 4 8 mm 3 2 4 4 8 6 4 mm 7...

Страница 7: ...m 4 8 10 mm Gathering 1 1 75 Max 1 3 8 Stretching 1 0 6 MO 6914G 2 needle Overlock machine JIS E24 USA standard 514 2 5 to 4 mm 2 6 mm 6 4 mm Gathering 1 2 Max 1 3 8 Stretching 1 0 7 Max 1 0 6 MO 6916...

Страница 8: ...mm 6 5 mm MO 6916R 2 needle Safety stitch machine JIS E13 D12 USA standard 516 1 5 to 4 mm 3 2 4 8 mm 3 2 4 4 8 6 4 mm 5 5 mm Gathering 1 2 Max 1 4 Stretching 1 0 7 Max 1 0 6 24 5mm 20 ORGAN DC X 27 S...

Страница 9: ...g 1 1 75 Max 1 3 8 Stretching 1 0 6 MO 6914J 2 needle Overlock machine JIS E24 USA standard 514 2 6 mm 6 4 mm Gathering 1 2 Max 1 3 8 Stretching 1 0 7 Max 1 0 6 MO 6916J 2 needle Safety stitch machine...

Страница 10: ...ls 9 Overedging width code A 1 6 mm D 3 2 mm E 4 0 mm F 4 8 mm H 6 4 mm M 10 0 mm N 18 0 mm 10 Feeddogcode 4 2 row 5 1 row 6 3 row 7 4 row 12 Application code Classification based on type of operation...

Страница 11: ...1 Blind hemming ruler S159 Swingtyperuffler pedal interlockingtypeforsafety stitch S161 Swing type ruffler Manual lever type for safety stitch S162 Swing type ruffler Manual lever type for overlock N0...

Страница 12: ...hainstitch side B 1 0 10 A B 6 04 6 14 6 16 e 1 needle 2 needle left 10 5 11 3 11 3 11 0 11 3 10 5 11 3 10 5 11 3 13 10 5 11 3 9 8 15 4 14 4 15 4 14 1 14 1 2 needle right 9 4 9 9 9 1 9 9 9 9 9 9 12 6...

Страница 13: ...low the forked crank to turn until it settles by itself Then tighten the setscrew to fix the forked crank at that position 1 Loosen setscrews 2 of throat plate base 1 and move throat plate base 1 back...

Страница 14: ...ard Adjustment 4 Adjusting the length of the lower looper holder Applicable only to MO 6 16S MO 6916R G J series The center to center distance should be 26 mm At this time the clearance between the en...

Страница 15: ...rance provided between the needle and the looper is insufficient the needle will break or the looper blade point will be damaged causing thread breakage Adjustment Procedures Results of Improper Adjus...

Страница 16: ...8 3 8 3 8 1 4 3 5 1 3 3 3 3 5 Model Safety stitch machine K 6 6 9 0 2 m m 0 to 0 1 mm 1 needle overlock machine 2 needle overlock machine MO 6900G J 5 Only MO 69 S R G J series Unit mm J 1 2 3 4 6 04...

Страница 17: ...ial information 1 Radius K of lower looper 4 will be 66 9 mm when the lower looper is inserted into lower looper support arm 1 until it contacts with stopper pin 3 and then is fixed 2 The rocking angl...

Страница 18: ...del MO 6900G J 7 6 3 5 8 6 5 8 4 7 5 5 6 3 5 8 5 8 5 8 4 4 2 4 4 2 4 2 11545100 12375606 7 5 5 6 3 4 7 4 2 4 Maker dot Unit mm Unit mm Unit mm 3 0 500 BE4 MO 6 16S R DD F MO 6 16S R F 6 60H MO 6943R 7...

Страница 19: ...ooper guide support 4 press it against the gauge while keeping the upper looper guide support into close contact with the frame guide surface then tighten the screws Caution Refer to 4 4 1 7 Various s...

Страница 20: ...itch machine 1 needle overlock machine 2 needle overlock machine MO 6900G J serise Dimension F 45 0 46 2 48 2 47 3 48 4 46 8 46 9 46 2 48 2 48 4 47 3 48 4 51 2 50 7 51 7 49 3 48 8 Unit mm MO 6 14S R 3...

Страница 21: ...ion F from the bottom surface of the frame to the top surface of upper looper holder pin 2 before tightening the setscrew of upper looper ball arm 3 Caution Replace upper looper holder 1 according to...

Страница 22: ...3 and the needle should be 0 to 0 2 mm Model Safety stitch machine 1 needle overlock machine 2 needle overlock machine MO 6900G J series Dimension D 11 0 11 3 11 3 10 3 11 0 11 8 11 0 11 0 11 3 12 8...

Страница 23: ...2 mm between the upper looper and the lower looper at the time of their crossing or the clearance of 0 to 0 2 mm between upper looper 3 and the needle If the upper looper has been positioned too high...

Страница 24: ...is at the extreme left of its travel 2 Longitudinal motion Avoid motion The standard minor axis of the elliptical motion should be 3 0 mm MO 6 16S R 3 5 mm MO 6916G J Note The avoid motion should be...

Страница 25: ...of the double chain looper driving arm 1 will be 63 4 mm when it is lowered until it comes in contact with stopper pin 3 3 For MO 6916G J type machines radius M will be 63 2 mm 4 Adjust the tilt of do...

Страница 26: ...the needle is at the lowest point of its stroke The height of needle guard B is 1 mm from the throat plate bottom surface 2 For safely stitch machine The safely stitch machine has four needle guards A...

Страница 27: ...n the needle guard A and the needles will cause the looper blade point to come in contact with the needles leading to needle or blade point breakage or other troubles If the needle guard B is too high...

Страница 28: ...del Dimension A MO 6 00S Series 1 0 MO 6904G Series 1 3 MO 6914G Series 1 2 MO 6916G Series 1 1 0 5 mm Tilt of the feed dogs when the feed dogs have come up most When the feed dog juts out the top sur...

Страница 29: ...with its front up in the arrowed direction When the marker line is set at top The feed dog will be tilted with its front down Caution The marker line should be used just as the reference since it sli...

Страница 30: ...nut MO6904G J MO6916G J Gathering 1 1 75 Stretching 1 0 6 MO 6914G J Gathering 1 2 0 Stretching 1 0 7 Center of nut Halfway between upper marker line and lower marker line Slightly lower than lower m...

Страница 31: ...eed pin 2 to the lowest position 6 After performing adjustment tighten the main feed pin and nut 3 and install cover 1 1 Remove the cover on the rear of the frame loosen main feed bracket clamping scr...

Страница 32: ...presser foot The presser foot should be positioned so that the feed dogs go down under the specified presser foot pressure and the presser foot sole comes in contact evenly with the throat plate surfa...

Страница 33: ...en tighten setscrew 1 Reference Accurate adjustment can be made by using two pieces of thin paper to check for even drawing out tension In addition even contact of the presser foot with the throat pla...

Страница 34: ...surface of the throat plate when it is at its highest position MO 6 16S R F 6 60H 35 mm 17 Positioning the upper and lower knives and available overedge widths 1 Lower knife 2 Upper knife 3 Overedging...

Страница 35: ...ix the knife Otherwise the durability of the knife will be affected 3 Overedging width 1 Adjust the overedging width in the following way Laterally position the upper knife before loosening screw 2 Ti...

Страница 36: ...sition of the thread cam Applicable only to MO 6 16 series 1 Adjustment of the thread cam 2 Adjusting looper thread cam thread guides A and B and the looper thread cam nail MO 6 16 series Lower knife...

Страница 37: ...ad cam thread guides A and B and the looper thread cam nail 1 Install looper thread cam thread guides A 2 and B 3 at the center of the slots with setscrews A 4 and B 5 2 Install looper thread cam nail...

Страница 38: ...hanism cover presser Uniform contact 22 Adjusting the looper cover The looper cover should smoothly close without coming in contact with upper knife 1 when slowly closing looper cover 2 with upper kni...

Страница 39: ...ed mechanism cover 3 is pressed so that it should not rise If the throat plate support comes in single sided contact with the throat plate or does not come in contact with it the throat plate will vib...

Страница 40: ...Adjusting the cloth chip cover When cloth chip cover 3 is pressed away from you it should not rattle In addition the cloth chip cover should not come in contact with upper knife 1 and lower looper 4 7...

Страница 41: ...the cloth chip cover and adjust the longitudinal position of cloth chip cover 3 3 Loosen setscrew 5 in the cloth chip cover stopper again and press cloth chip cover stopper 6 downward until the stopp...

Страница 42: ...ment 24 Adjusting the needle mechanism 1 Disassembling 2 Adjustment 1 2 2 3 7 8 9 0 1 Needle drive arm 0 1 mm 3 It should not stay inside the pin as the concave 1 2 4 5 6 0 Chamfered portion should be...

Страница 43: ...the chamfered plane as the concave oil will not be fed smoothly 3 Install needle lubricating pin 4 in place with its oil inlet 6 faced above 4 Adjust with setscrew 0 so that the clearance between need...

Страница 44: ...in 1 Orientation of the lubricating pin Oil inlet 2 of upper looper lubricating pin 1 should face upward 2 Setting the lubricating pin The clearance provided between upper looper lubricating pin 1 and...

Страница 45: ...arance provided between upper looper lubricating pin 1 and upper looper bracket 4 to 0 15 mm using a 0 1 5mm clearance gauge or the like If the oil inlet does not face upward oil will not be fed resul...

Страница 46: ...5 mm Longitudinal momentum top feed amount Max 7 5mm 7mm 7mm Standard MO 6916R F 6 H MO 6900J Min 1mm 2 5mm 2 7mm Decreases Increases Increases Decreases 4 2 1 3 5 Caution Motion of the top feed is n...

Страница 47: ...he differential adjustment stopper 3 Changing the minimum momentum 1 Loosen setscrew 2 in the differential feed adjustment stopper and lower the stopper to increase the minimum momentum and raise the...

Страница 48: ...8 42 5 1 2 Vertical adjustment arm Assembling position of locus cut base and exhaust slot support Move exhaust slot support 4 to the right Screw left side of slot Move locus cut base 3 to the left Scr...

Страница 49: ...3 and exhaust slot support 4 at the position as shown in the figure When the position of vertical adjustment pin 2 is changed the vertical momentum of top feed dog changes When vertical adjustment pin...

Страница 50: ...eight of the bottom feed dog main and differential feed dogs is 0 8 mm from the top surface of the throat plate and flush with it when the bottom feed dog is in the highest point of its stroke Approx...

Страница 51: ...r than the standard Sewing of heavy weight materials is possible However a clearance is provided between top and bottom feed dogs and partial shirring performance of light weight materials or feed for...

Страница 52: ...s not work in the state of delivery 1 2 Set the standard of cut amount to approximately 0 5 mm Locus of feed dog Cloth Range of effective feed Range of effective feed Cut amount 30 Adjusting the longi...

Страница 53: ...ep 3 is the cut amount In this state the clearance between top and bottom teeth is increased as large as the cut portion and feed force is decreased Be sure to adjust the biting amount of cloth by low...

Страница 54: ...d dog 4 come in contact with each other and noise occurs the left and right clearances are excessively different from each other and trouble occurs etc 2 When the adjustment value is improper there is...

Страница 55: ...erence When loosening the setscrews in thrust collars 2 do not simultaneously loosen the two setscrews First loosen thrust collar 2 on the side of moving direction and fix it at the predetermined posi...

Страница 56: ...t and rear Rear constant When the pitch of the top feed dog is increased locus extends to the front while the most retarded position of the top feed dog is constant Front constant When the pitch of th...

Страница 57: ...ening turn the handwheel and adjust the top feed dog to the most advanced position 2 At the position tighten horizontal arm A 1 at the position where the top feed dog does not move even when the top f...

Страница 58: ...tion of the top feed dog other than that of 50H 60H and MO 6900J is adjusted to the position where the top feed dog does not move even when the top feed lever is moved at the position where the timing...

Страница 59: ...ed at top feed dog 2 and the top feed dog does not come down by its weight even after adjusting feed bar guide B 4 loosen setscrew 7 in the feed bar guide A and adjust feed bar guide A 5 at the same t...

Страница 60: ...top feed dog or decrease the sewing speed 2 Dimensions listed in the list are slightly increased values that can be guaranteed even when the vertical amount of top feed dog and sewing speed are in th...

Страница 61: ...end of lifter B stopper screw 2 and presser lifting arm 3 should be 0 5 to 1 mm when the top feed dog is brought to the lowest point needle bar is at highest point Top end of the screw should be separ...

Страница 62: ...he top feed dog is changed Check the lifting amount of the top feed dog after adjusting the height of the presser referring to 35 Lifting amount of the top feed dog when operating the pedal Height of...

Страница 63: ...en when presser thrust arm 6 is removed 1 Removing the thrust play of the presser shaft temporarily tighten thrust arm clamping screw 7 Lower the presser by 1 to 3 mm from the throat plate with presse...

Страница 64: ...ever is operated It is the standard that the height from the top surface of the throat plate is 9 0 5 mm when presser lifting lever 5 is pressed at the lowest point of the needle bar and top feed dog...

Страница 65: ...the eaves section of top feed square block 6 Then tighten clamping screw 4 of lifter A 3 Caution In the state that presser lifting lever 5 is returned check that there is a clearance between the pin...

Страница 66: ...ad guide can be observed The thread hole in the double chainstitch needle thread guide and the hooked portion of the needle thread take up are in the position where the entire hole in the needle threa...

Страница 67: ...better tightness of needle thread stitches will be obtained When set larger loose needle thread stitches will result Distance E F and H exert least influence on stitch formation however improper sett...

Страница 68: ...eding amount when the needle bar is in the lowest dead point of its stroke 2 Adjust the rising amount of needle thread presser plate C Adjust the rising amount of needle thread presser plate C 1 to 0...

Страница 69: ...better appearance and touch 1 If the knotting point varies at high or low sewing speed slightly reduce L and increase the lower looper thread tension 2 If a knot is made at a high point increase J an...

Страница 70: ...Approx 2 mm 14 8mm Needle thread take up of 2 needle machine Frame Needle thread guide of 2 needle machine The thread hole in the needle thread guide and the hooked portion of the needle thread take u...

Страница 71: ...er looper thread take up right and the looper thread take up left shall be positioned at the extreme right point of the upper looper Position MO 6904G J 0F6 700 MO 6914G J CH6 700 MO 6916G J F 6 700 M...

Страница 72: ...6 16S R 50 Red Red Blue Yellow MO 6 16S R 60H Green Green Blue Yellow MO 6 43S R series Red Red Yellow Blue Yellow MO 6 45S series Red Red MO 6903G 0N6 3D1 Blue Blue MO 6904G J 0F6 700 Purple Yellow R...

Страница 73: ...ng the front edge of the upper looper guide support 3 Three bond 1212 apply the sealant to the gap of the contact surface between the frame and the upper looper guide support 3 section in the illustra...

Страница 74: ...the oil shield rubber support plate the top surface of the oil shield case and the hatched parts on the top surface of the feed bar presser Apply the sealant to the hatched parts Lightly apply the sea...

Страница 75: ...mechanism cover is installed Do not loosen the screws in feed bar presser 6 unless it is necessary The clearance between the feed bar presser and the feed bar and the contact with each other are impo...

Страница 76: ...peed of sewing machine rpm 8500 8000 7500 7000 6500 6000 5500 5000 4500 4000 50 Hz 160 155 150 145 140 135 130 125 120 115 110 105 100 95 90 85 85 80 75 70 Semi sunken type mm inch 1016 40 1016 40 965...

Страница 77: ...the sewing machine is used for many hours cartridge filter 1 may be clogged with dust When this state continues oil is not fed through cartridge filter 1 and abnormal worn out or seizure of the sewin...

Страница 78: ......

Страница 79: ...o 2 0 63 4 A 11999208 11 3 0 1 11 3 0 3 4 4 0 3 48 2 A 13222203 39 19 3 8 66 9 1 5 to 2 0 63 4 A 11991908 13 0 0 1 12 8 0 3 4 7 0 3 48 4 A 13222203 39 62 2 8 66 9 1 5 to 2 0 63 4 A 12176202 14 1 0 1 1...

Страница 80: ...nsion is too high The double chain looper or lower looper has been improperly positioned and strikes the feed dog or throat plate Poor drawing up of the needle thread causes the looper to catch it aga...

Страница 81: ...reaks when it comes in contact with the hot needle at the time of needle stop The needle entry has not been correctly adjusted and the needle strikes the throat plate or presser foot The upper looper...

Страница 82: ...not correct The duration in which the presser holds the needle thread is not correct and unstable loop result The needle is bent or improperly oriented A needle or DC x 1 is used Incorrect height or c...

Страница 83: ...etween the needle and the back of lower looper are not correct The feed amount of the lower looper height of the upper looper or clearance produced at time of crossing of the upper and lower loopers i...

Страница 84: ...f the blade point has been deformed and the blade point fells loops See the threading diagram Refer to the related Standard Adjustment Replace the needle At this time be sure to eliminate the cause fo...

Страница 85: ...t reach the needle as shown at right Excessive return or longitudinal motion will often cause this stitch skipping The thread cam timing is too early causing the looper thread to slack before the need...

Страница 86: ...on is too high causing damaged balance with other thread tension Correct the height of the chain looper by pushing it down until it cones into contact with the stopper Replace the chain looper having...

Страница 87: ...ons Adjustment of the loopers for producing chain off thread without materials requires higher accuracy The needle guard C is too high damaging loops The needle comes into contact with the front edge...

Страница 88: ...e needle thread is insufficient The upper and lower looper thread tensions are not enough The looper thread take up left is too high The knife width is unsuited for the overedging width Scratches on t...

Страница 89: ...ase the radius of the looper thread take up left increase dimension I Lower the looper thread take up right reduction in distance O See the threading diagram Raise the looper thread take up left to in...

Страница 90: ...d tensions are too high The throat plate has a large needle hole The thread cam timing is too late The leading edge of the feed dog teeth has been rounded off A difference in level exists between the...

Страница 91: ...er foot to contact unevenly with the materials Bring the thread cam thread guide fully to the front to increase the amount of looper thread Presser foot pressure Differential feed ratio Thread amount...

Страница 92: ...15 R 1 0 R 1 5 R 1 5 R15 R 1 5 R15 R 1 5 R 1 0 R 1 5 R 1 5 R 6 R 3 0 R 2 R 2 R 2 R 2 30 30 R2 R2 R15 R 2 R 2 40 R2 R30 Drilled hole 17 3 8 5 hole with 26 x 1 deep groove 4 10 hole with 26 x 1 deep gro...

Страница 93: ...R 3 0 R 6 R 3 0 R30 R 2 R 2 R2 R 2 30 R 1 5 Drawer stopper installing position Rear 4 10 hoke 26 spot face 4 deep 3 8 5 hole with 26 x 1 deep groove Drilled hole 17 Leg installing position Push button...

Страница 94: ...this engineer s manual is subject to change for improvement of the commodity without notice 02 10 Printed in Japan E R INTERNATIONAL SALES H Q 8 2 1 KOKURYO CHO CHOFU SHI TOKYO 182 8655 JAPAN PHONE 8...

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