Unicorn DB2-H515 Operation Manual Download Page 12 | Manualshive

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3. 테이블 치수 / THE TABLE SIZE

4. 설치 / INSTALLATION

- Page 32 -

★본 제품은 반드시 숙련된 기술자가 설치해야 합니다.

★The sewing machine should only be installed by a

qualified technician.

★전기작동부 작업 필요시 자사의 A/S센터로 문의하십시오.

★Ask your Unicorn dealer or a qualified electrician for

any electrical work that may need to be done.

★본 기계는 31Kg 이상의 무게를 가지고 있으므로

2사람 이상이 다루어야 안전합니다.

★The sewing machine weighs more than 31kg.

The installation should be carried out by two or

more people.

★설치가 완전히 끝날 때 까지 전원 코드를 연결하지 마십

시오. 오작동에 의한 폐달 작동 시 상해의 원인이 됩니다.

★Do not connect the power cord until installation is

complete. otherwise the machine may operate if the

treadle is depressed by mistake, which could result in

injury

★접지가 설치되어 있는지 확인하십시오. 만약 접지설치가

확실치 않을시 전기충격 발생시 치명적인 상해의

원인이 됩니다.

★Be sure to connect the ground. If the ground

connection is not secure, you run the risk of receiving

a serious electric shock.

★미싱두부에 벨트커버를 설치하십시오.

★Install the belt cover to the machine head.

All manuals and user guides at all-guides.com

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Summary of Contents for DB2-H515

Page 1: ...SINGLE NEEDLE ULTRA HIGH SPEED LOCKSTITCH SEWING MACHINE WITH THREAD TRIMMER 1 OPERATION MANUAL PART BOOK DB2 H515 LS2 H5150 All manuals and user guides at all guides com a l l g u i d e s c o m...

Page 2: ...All manuals and user guides at all guides com...

Page 3: ...eware of injury This symbol indicates something that you must not do This symbol indicates something that you must do The picture inside the circle indicates the nature of the thing that must be done...

Page 4: ...5 off A S 31 2 40 25 OFF A S A S All manuals and user guides at all guides com...

Page 5: ...bend the cable or secure it too firmly staples otherwise shocks could occur install the belt covers to the machine head and motor Be sure to wear protective goggles and gloves when handling the lubric...

Page 6: ...the machine and when leaving the machine unattended If an error occurs in machine operation or if abnormal noises or smells are noticed immediately turn off the power switch Then contact your nearest...

Page 7: ...maintenance and inspection of the electrical system Turn off the power switch and disconnect the power cord from the wall outlet at the following times otherwise the machine may operate if the treadle...

Page 8: ...ase contract your nearest UNICORN dealer The positions of the labels may vary slightly depending on the model of sewing machine or motor 1 2 Be sure to connect the ground If the ground connection is n...

Page 9: ...rned on verify the rotational direction of the pulley with the power on The pulley should rotate counterclockwise when viewed from the pulley Power must be turned off when the machine is not in use or...

Page 10: ...2 Backtacking 11 7 THREAD TENSION 12 1 Adjusting the thread tension 12 2 Adjusting the trailing length after thread trimming 13 3 Adjusting the presser foot pressure 13 8 CLEANING 14 9 REPLACING THE...

Page 11: ...LE TYPE DB x 1 11 DB x 1 22 19 23 STITCH ADJUSTMENT DIAL LUBRICATION SYSTEM AUTOMATIC BED DIMENSIONS 476 x 178 mm THREAD TRIMMER SYSTEM STANDARD STANDARD STANDARD WIPER SYSTEM STANDARD STANDARD STANDA...

Page 12: ...ore than 31kg The installation should be carried out by two or more people Do not connect the power cord until installation is complete otherwise the machine may operate if the treadle is depressed by...

Page 13: ...work table so that corners are aligned 4 2 4 Insert the two rubber cushions into the notches in the 5 5 Insert the knee lifter complying bar 4 2 Installing the knee lifter assembly 1 1 Place the knee...

Page 14: ...approximately 2mm when the knee lifter plate is gently pressed 5 Securely tighten the nut 6 Loosen the nut 7 Turn the screw until the distance between the end of the screw and the knee lifter is appro...

Page 15: ...so that it pushes the belt by approximately 5mm and then place the bobbin winder so that it is parallel with the belt hole in the work table 3 Install the bobbin winder to the work table with the two...

Page 16: ...stand 1 1 Assemble the cotton stand and then install the cotton stand to the far right corner of the work table Securely tighten the nuts so that the rubber cushion and the washers are securely clamp...

Page 17: ...he screw 3 Insert the needle in a straight line as far as it will go making sure that the long groove on the needle is at the left and then securely tighten the screw 5 2 Removing the bobbin case 1 2...

Page 18: ...ding of the lower thread is completed the bobbin presser arm will return automatically 8 Remove the bobbin and trim the thread as shown in the illustration If the thread cannot be wound on evenly loos...

Page 19: ...is above the needle plate 2 While holding the bobbin so that the tread winds to the right insert the bobbin into the bobbin case 3 Pass the thread through the slot and under the tension spring and the...

Page 20: ...gth will be When turning the feed adjustment dial from a larger setting to a smaller setting it will be easier to turn the dial if the reverse stitching lever is pushed to the half way down position 5...

Page 21: ...bin When not using the machine and when leaving the machine unattended Do not touch any of the moving parts or press any objects against the machine while sewing as this may result in personal injury...

Page 22: ...n too strong 3 Upper thread tension too strong or lower thread tension too weak Lower thread tension Adjust by turning the adjustment screw the bobbin case drops gently by its own weight while the thr...

Page 23: ...of the pretension is increased the length of the thread trailing from the needle tips will be reduced if the tension is reduced the lengths will increased 7 3 Adjusting the presser foot pressure 1 2...

Page 24: ...3 Use a soft wire brush to clean any dust from the feed dog 4 Install the needle plate with the two screws 5 Tilt back the machine head 6 Remove the bobbin case 7 Wipe off any dust from the rotary hoo...

Page 25: ...rew and then remove the fixed knife Carry out the above steps in reverse to install the fixed knife Sharpening the fixed knife If the knifes become blunt sharpen the fixed knives as shown Replacing th...

Page 26: ...operate if the treadle is pressed by mistake which could result in injury When carrying out inspection adjustment and maintenance When replacing consumable parts such as the rotary hook If the power s...

Page 27: ...on of the thread tension spring If using a tension gauge sold separately measure the tension take the reading from the scale on the side of the red line 10 2 Adjusting arm thread guide R ARM R R 1 R 2...

Page 28: ...tment screw is loosened more than this the presser bar will become separated from the presser foot spring guide 2 Raise the presser bar lifter lever The presser foot will also rise 3 Remove the oil ca...

Page 29: ...90 4 1 Turn the machine pulley to move the feed dog to its highest position above the needle plate 2 Loosen the two set screws 3 Turn the feed bracket shaft in the direction of the arrow within a ran...

Page 30: ...rom its lowest position until the lowest reference line from the bottom of the needle bar is aligned with the bottom edge of needle bar bush as shown in the illustration 1 Set the feed adjustment dial...

Page 31: ...g The vertical cam and horizontal cam are linked by a pin so that if either one is turned the other will turn with it To advance the needle timing turn in the direction of To retard the needle timing...

Page 32: ...is alilgned with the belt cover reference there should be a 12 5 to 15 mm gap between the needle plate top and needle tip 1 2 3 4 Needle up stop position adjustment 1 Turn off the power switch 2 Loos...

Page 33: ...he mark is closest to the needle bar crank shaft The flow of oil will be at its highest level when the mark is furthest from the needle bar crank shaft Rotary hook lubrication amount Tilt back the mac...

Page 34: ...24 7 7 20 20 20 10 9 7 7 12 12 16 23 All manuals and user guides at all guides com...

Page 35: ...ad wiper too high Thread wiper position Adjust thread wiper position with screw 10 Thread breakage Improper threading Threading Rethread 9 Bent needle Blunt needle tip Jammed eye Needle Replace needle...

Page 36: ...26 7 7 1 7 9 20 20 20 13 16 All manuals and user guides at all guides com a l l g u i d e s c o m...

Page 37: ...pressure Tighten presser foot adjustment screw Presser bar height Adjust presser bar height Improper needle to rotary hook timing Needle bar rise Adjusting the rotary hook timing 20 Needle bar height...

Page 38: ...28 12 12 12 12 puff 20 7 15 15 15 All manuals and user guides at all guides com...

Page 39: ...Adjusting the rotary hook timing 20 Improper thread cutting a Needle bobbin threads not cut b Needle thread not cut c Bobbin thread not cut Movable knife fixed knife do not overlap Adjust knives Movab...

Page 40: ...30 13 1 13 All manuals and user guides at all guides com...

Page 41: ...ion timing Thread cutter mechanism does not function Thread cutter solenoid dose not function Check with tester Replace thread cutter solenoid Thread cutter signal not transmitted Check circuits refer...

Page 42: ...32 All manuals and user guides at all guides com...

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