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Husqvarna VIKING Designer Jade 20, Руководство по обслуживанию

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28 

1047356-26  

Settings

19.Adjustment of bobbin winding

Check

When winding up the lower thread onto the bobbin the machine should wind even.

Adjustment 

1. 

Place empty bobbin on spindle.

2.  

If bobbin winds as shown, turn the screw (a) to the left (-).

3.  

If bobbin winds as shown, turn the screw (a) to the right (+).

a

Содержание VIKING Designer Jade 20

Страница 1: ...1047356 26 SERVICE MANUAL Designer Jade 20 Made in Sweden 10 Nov 2015 2015 SVP Worldvide All Rights Reserved ...

Страница 2: ... 14 Lower thread tension thread tension of the bobbin case 23 15 Upper thread tension 24 16 Stitch length balance basic setting 25 17 Darning stitch position adjustment 26 18 BH photo sensor position adjustment 27 19 Adjustment of bobbin winding 28 20 Adjustment of bobbin winder stop 29 Service Program 30 Service Menu 1 Stepper Motors 30 Service Menu 2 Running in mode 31 Service Menu 3 Adjusting f...

Страница 3: ...3 1047356 26 ...

Страница 4: ...roper needle plate The wrong plate can cause the needle to break Do not use bent needles Do not pull or push fabric while stitching It may deflect the needle causing it to break Switch the sewing machine off 0 when making any adjustment in the needle area such as threading needle changing needle threading bobbin or changing presser foot etc Always unplug sewing machine from the electrical outlet w...

Страница 5: ...ne functions satisfactorily The second section covers the service program in the machine The third section covers dismantling and mounting of the covers The fourth section covers dismantling and mounting instructions The diagrams only give indication as to where the detail or mechanism is located in the machine For more detailed information regarding the construction etc refer to the diagrams in t...

Страница 6: ...e set can be seen from the description under each setting instruction The following list of setting gauges and service tools is intended as an instruction about the special service tools needed to servicing this machine 1 On several different occasions the needle is used as a setting gauge The setting ratings are adapted to needle 90 Make sure to use an undamaged needle 2 Gauge for setting the tim...

Страница 7: ...7 1047356 26 ...

Страница 8: ...ntre of the needle when the needle is 2 5 mm above its lower turning position 3 Timing of the Feeding in relation to the needle When is in its needle lowest point The feed lifting rock cam a and the screw b of feed rock cam c should now be parallel 9 Setting the feed dog in relation to the needle plate Sideways the feed dog should be symmetrically set in relation to the needle plate slot 10 Feed d...

Страница 9: ...ad slowly using normal polyester thread 15 Upper thread tension Set the thread tension dial to 4 Thread up with Polyester 60 and pull thread slowly the resistance should be 50g 18 BH photo sensor position adjustment The BH lever crank b and the photo sensor s c blocking movement should be set in the middle 19 Adjustment of bobbin winding When winding up the lower thread onto the bobbin the machine...

Страница 10: ...chine easily or the timing of hook and feed motion will be changed incorrectly Adjustment 1 Remove the Covers 2 Loosen the screw a tightening the tension pulley bracket 3 Push the tension pulley bracket lightly 350 400g and retighten the screw a 4 When you have adjusted the timing belt tension re check the timing of the upper and lower shaft and the timing of the hook again 2 a 3 350 400g ...

Страница 11: ...oose motor belt tension may cause jumping of the belt teeth on the motor pulley Check When pushing the motor belt must have flexibility of 5 6 mm when average pressure is applied on its side Adjustment 1 Remove all the covers 2 Loosen the screws A B 3 Move the motor up the belt will become loosen down it will become more tighter 4 Tighten the set screws 5 Attach all the covers a b 2 4 1 3 5 6 mm ...

Страница 12: ...ust be facing toward you Adjustment 1 Loosen the screw b tightening the tension pulley bracket 2 Slip out the timing belt from lower shaft timing pulley 3 Turn the lower shaft timing pulley so that the mark faces toward you 4 Hook the timing belt on the pulley 5 Push the tension pulley bracket lightly 350 400g 6 Retighten the screw b 7 Check the Feed timing again 8 When you have adjusted it check ...

Страница 13: ... right needle will move to the left When you turn the screw to the left needle will move to the right 7 Re tighten the screw a and re check the position of needle Check of calibration stop 1 Remove the light cover 2 Check that the marks of center gear and zigzag cam E are aligned 2 Start the service program 3 S 1 will appear and service program will start In menu 1 Press Key No 2 Step motor will m...

Страница 14: ... 1 and set the needle position to the extreme right 3 5 1 Remove the presser foot and light cover 2 Check the gap between the needle point limiting shaft a and limiting plate b should be 0 2 0 25mm Adjustment 1 Loosen the screw c 2 Insert the 0 2 mm gauge and slide the limiting plate b to the right 3 Holding this position tighten the screw c Settings b a 0 2 0 25mm b c 0 2mm gauge ...

Страница 15: ...0 degree angle 2 At each position rotate the hook back and forth with the finger tip to check the play a play should be found in all differant positions a small play 0 1 0 3 mm should be found on one position Adjustment 1 Remove free arm cover and needle plate 2 Remove the bobbincase 3 Loosen the three screws A B C on the lower shaft gear D 4 Move the lower shaft gear A right or left to change the...

Страница 16: ...slightly tighten its screw B 5 Place a 2 5 mm gauge C between the needle bar support and clamp A tighten the needle clamp screw B and remove the 2 5 mm gauge C 6 Turn the hand wheel so that the needle moves upwards and the needle clamp stops against the needle bar support D 7 The tip of the hook should now be exactly behind the centre of the needle Adjustment If the distance is incorrect loosen th...

Страница 17: ...of the hook arrives behind the needle 5 Check the gap by pressing a small screw driver against the needle The gap should be as small as possible 0 02 0 1 mm but max 0 1 mm Adjustment If the gap is incorrect 1 Remove the rear enclosure 2 Adjust the gap by turning the adjusting screw a with 2 mm hex wrench Screw a is located inside of backside bracket If the gap is too big turn the screw to the left...

Страница 18: ...rically set in relation to the needle plate slot Adjustment 1 Remove the presser foot and holder 2 Remove the needle plate 3 Loosen the 2 screws A that holds the feed dog 4 Adjust the feed dog so that the teeth is centered in the needle plate 5 Retighten the screws A 6 Mount the needle plate and presser foot and holder A A ...

Страница 19: ... 112 120 08 000 Adjustment 1 Bring the feed dog to its highest position 2 Remove needle plate 3 Loosen the nut A 4 Turn the adjusting screw B so that the feed dog becomes between 0 9 mm to 1 0 mm above the needle plate Turn clockwise the feed dog will be raised Turn Counter clockwise the feed dog will be lowered 5 Tighten the nut A 6 Attach the needle plate Settings 0 9 1 0 mm b a ...

Страница 20: ... dog Adjustment 1 Put on a presser foot 2 Lower the feed dog 3 Set the presser bar in its highest lifting position 4 Loosen screw A for the presser bar from the front 5 Adjust the height and direction of presser foot 6 Tighten the screw A 7 Lower the presser bar and check position the presser foot so its parallel to the feed dog 8 If incorrect parallelism Loosen up the screw A and turn presser foo...

Страница 21: ...the upper end of the needle and surface of the hook race should be 29 mm Adjustment Remove Feace cover needle plate and bobbin case 1 Bring the needle bar to its lower turning position 2 Loosen the screw D and move the needle bar until the correct measure is obtained 3 Tighten the screw D 4 Recheck the setting NOTE Check by means of a twin needle that the needle bar is not twisted it may cause jum...

Страница 22: ...crew A of the threader stopper B Move the stopper upward and the threader hook will become higher Move the stopper downward and the threader hook will become lower Adjust the stopper so the threader hook C goes smoothly into the needle eye Tighten the screw A 4 Check the height of needle threader again CAUTION Be careful with direction of stopper when tighten the screw If direction of stopper NOT ...

Страница 23: ...bin case shall give a resistance of 17 g when pulling the thread slowly using normal 50 polyester thread Adjustment 1 Turn screw A until the correct thread tension is obtained 2 Please use a 15 g lead weight or a tension gauge as a setting gauge NOTE Before any adjustment is made remove any loose pieces of thread or fluff from the thread tension discs Settings ...

Страница 24: ... foot Tension discs will be closed 4 Pull thread slowly At this time the resistance should be 50g Adjustment 1 Remove the thread tension cover 2 Adjust the tension by turning the tension regulator screw a either to the front or back For stronger turn the screw backward For weaker turn the screw frontward NOTE Before any adjustment is made remove any loose pieces of thread or fluff from the thread ...

Страница 25: ... the feed regulator gear should touch to the cushion rubber b Adjustment Before any adjustment is done make sure he mark of the motor gear d and the third concave portion e from the right end of the feed regultor gear are aligned 1 Loosen the screw c on the step motor gear 2 Go to the service program and in menu 1 Press the Key No 7 3 Pressing the stopper on the feed regulator gear to the cushion ...

Страница 26: ...n sewing decorative stitches or short zig zag stitches and other utility stitches with less than 1 0 mm stitch length use this foot The groove on the underside of the foot is designed to flow smoothly over the stitches 3 The lines a and b should be same position Adjustment Before any adjustment is done plaese checking Height of the Feed dog 1 Sew one complete darning stitch 2 Tilt the machine back...

Страница 27: ...ame frontward about 1cm while lifting the presser foot lever slightly Insert 0 3 gauge between the buttonhole lever and buttonhole foot Then slowly move the frame backward Lower the lever when the LED e is turned on 6 At this time the presser foot frame should be about 1mm frontward from the extreme end I f it is not in correct position adjust as follows Adjustment 1 Pull the presser foot frame 1m...

Страница 28: ...winding Check When winding up the lower thread onto the bobbin the machine should wind even Adjustment 1 Place empty bobbin on spindle 2 If bobbin winds as shown turn the screw a to the left 3 If bobbin winds as shown turn the screw a to the right a ...

Страница 29: ...d the thread Adjustment 1 If the bobbin thread is wound too little or too much loosen the screw b near bobbin winder and adjust as follows 2 If the bobbin thread is wound too much loosen the screw b and slide the bobbin winder stop c to the left 3 If the bobbin thread is wound too little loosen the screw b and slide the bobbin winder stop c to the right 4 Retighten the screw b Settings b c ...

Страница 30: ...s its calibration position Needle to the Left Key No 3 S 3 Centre Pos Needle Is used to set the center position of the needle in straight stitching Needle step motor takes its electronic center position Key No 4 S 4 Centre Pos 1 Needle Is used to set the 1 step right from center position of the needle in straight stitching Key No 5 S 5 Centre Pos 1 Needle Is used to set the 1 step left from center...

Страница 31: ...d Mirror button turn on the power switch P1 will appear and service menu 3 will start This is used to adjusting the forward reverse stitch See page 26 Service Menu 4 Foot controller Entering service menu 4 With pressing the stitch selection button 3 and Mirror button turn on the power switch 85 will appear and service menu 4 will start This is used to check the foot controller 85 Foot controller i...

Страница 32: ...Test patterns are selected by pressing the stitch selection button Each pattern is indicated as follows Key No 1 P1 Forward reverse adjusting pattern Same as menu 3 Key No 2 P2 Zigzag stitch Key No 3 P3 Straight stitch centre needle position Key No 4 P4 Running in mode stitch same as menu 4 Key No 5 P5 Buttonhole stitch Keyhole No 33 Key No 6 P6 Scallop stitch Key No 7 P7 Honeycomb stitch Key No 8...

Страница 33: ... sensor Checks the sensors of the synchronizer The LED are turned on and off while the hand wheel is turned around slowly in the direction of sewing d One step buttonhole switch rear e One step buttonhole switch front Lower the buttonhole lever and push or pull The LED will be turned on and off f Not used this machine g Bobbin winder switch By turning the bobbin winder spindle left or right LED wi...

Страница 34: ...e menu 7 With pressing the stitch selection button 6 and Mirror button turn on the power switch Service program Keyboard test will start By pressing the each button 7 segment LED will indicate the number as follows 09 08 06 04 05 10 07 11 18 19 20 15 16 17 12 13 14 25 26 23 24 21 22 ...

Страница 35: ... display Service Menu 9 IC number Entering service menu 9 With pressing the stitch selection button 8 and Mirror button turn on the power switch IC number will be indicated on the display Service Menu 10 11 12 13 14 Only for factory use Service Menu 15 LED check Entering service menu 15 With pressing the stitch selection button 6 and Stitch width button turn on the power switch All LED lights will...

Страница 36: ...detachable work support Covers A Light Cover 1 To remove the storage box turn the locking device located at the rear side of the box to the left and push the box forward 2 Remove the screw cap a remove the screw 3 Open the top cover loosen the screw b 4 Pull the light cover downwards to come off the hook c and remove the light cover 1 a A b Top cover A c Unit cover c ...

Страница 37: ...ise the presser foot and remove it 2 Remove the 2 screws a b holding the needle plate 3 Lift up the right side of needle plate and remove it D Base 1 Remove the extension table 2 Tilt the machine backward and remove the 10 set screws a j NOTE Remember the screw type 3 Remove the base 1 a B D 1 a b c d e f g h i j a b C ...

Страница 38: ... top left side of machine 3 Loosen the screw c located left side of the machine arm 4 Remove the screw d 5 Pull the hand wheel e to the left side to remove it 6 Tilt the machine backward Insert a flathead screwdriver into the bedside of the front enclosure Pull upward to come off the hooks f 6 Rear Enclosure Rear Enclosure E f a b c d e ...

Страница 39: ...l the front enclosure each hook will come 9 Push the rear enclosure j pull the front enclosure to the left the hook k will come off 10 Pull the front enclosure toward you so that the power unit will come off from front enclosure 11 Turn the spring pin m as shown remove the front enclosure 7 g h hook i j k l m ...

Страница 40: ...the connector n and pull off the cable F Unit Cover 1 Remove the screws a b c 2 Remove the screw caps d e remove each screw 3 Push the unit cover i j k to remove the hooks f g h 4 Remove the unit cover Covers n a b c e d F Rear Enclosure f g h i j k Machine F ...

Страница 41: ...inge a toward outside 2 Pull the top cover to right side hinge b toward outside remove the top cover H Rear Enclosure 1 Lower the presser foot lifter 2 Remove the screw cap c remove the screw 3 Pull the rear enclosure backward and remove it Covers 1 G 2 a b a b c ...

Страница 42: ...tion a LED Board Assy b Presser Foot Switch Assy c Buttonhole Switch Assy d Bobbin Winder Switch Assy e Junction Circuit Board Assy f Presser Foot Jack Assy g Power Circuit Unit h F Pulse Motor i Z Pulse Motor Electronics a b c d e f g h i ...

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