Husqvarna Viking Designer I Service Manual Download Page 18 | Manualshive

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104 72 47-26

3. Belt tension, arm/lower shaft belt

1. Dismount rear cover and front cover.

2. Dismount the bobbin winding device.

3. Loosen the two screws (A) of the bearing clamps.

4. The belt tension can now be adjusted by turning bearing (B) which is eccentric.

NOTE!

The hole (C) should always be on the front half.

4. Belt tension, motor belt

1. Dismount rear cover .
2. Loosen the 2 screws (A) and adjust the belt tension by displacing the motor.

NOTE! The adjustment of the arm/lower shaft belt affects this adjustment.

Settings

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Summary of Contents for Designer I

Page 1: ...Printed in Sweden Made in Sweden March 1999 104 72 47 26 Replaces 104 72 45 01 SERVICE MANUAL ...

Page 2: ... The timing of the hook in relation to the needle 24 10 The needle height 25 11 Presser foot parallelism to the feed dog 26 12 Presser foot height to the stitch plate 26 13 Setting the stitch plate the hook cover in relation to the needle in the feeding direction 27 14 The sideways setting of the stitch plate the hook cover in relation to the presserfoot 27 15 The height of the hook 28 16 Pre sett...

Page 3: ... dog 53 The side feeding mechanism cpl 54 The step motor of the side feeding mechanism 54 The step motor of the feeding unit 55 Hook compl 56 Bobbin winding device 57 Cover Y slide 58 Step motor cover 58 Embroidery Unit Cover upper part 59 Cover lower part 59 Locker switch 59 Embroidery unit X unit 60 Belt tension 60 Calibration of the end position X unit 60 Embroidery unit Y unit 61 Belt tension ...

Page 4: ...ous settings which must be maintained to ensure that the machine functions satisfactorily The second 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 the spare parts list ESD ATTENTION It is of the utmost importanc...

Page 5: ...ruction 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 timing of the hook in relation to the needle Ref No 411 17 52 01 ...

Page 6: ...nctions of the machine there is a service program Handling Get into the service program of the machine by pressing the reverse feed button and the sensor foot pivot button while the main switch A is switched on The display will now show the Designer 1 service menu 1 See illustration below Service Program ...

Page 7: ...The step motor of the needle is now in its centre position Needle Rpos Is used for pre setting the stepmotor of the needle The step motor of the needle now takes its right calibration position Feed 0 pos Is used when coarse adjusting the stitch length balance The feed dog should now stand still 0 feeding Feed C pos Is used when pre setting the feeding step motor The step motor now takes its calibr...

Page 8: ...balance The feed dog should now stand still 0 feeding 2 5x0 The machine sews straight stitch 2 5 mm 4 0x0 The machine sews straight stitch 4 mm 6 0x0 The machine sews straight stitch 6 mm 4x4 The machine sews a zig zag stitch 4x4 mm 6x6 The machine sews a zig zag stitch 6x6 mm Service Menu 1 Row 5 Toucharea SM The machine sews a side motion stitch Hem Mend Is used for fine adjusting the stitch len...

Page 9: ... of pressarfoot s second sensor Check of lower thread guard indicator Check of upper thread guard indicator Check if embroidery unit is connected Embroidery hoop sensor Indicates when sensor is on calibration mark The bobbin winding sensor The bobbin winding sensor Indicates when bobbin is wounded Button hole sensor check Tension Norm Blue Is used for adjustment of the upper thread tension at norm...

Page 10: ...uch with a blunt object in the center of cross 1 indicated First calibration mark on the illustration When the colour changes from black to green the first calibration of the touch panel is set 2 Touch with a blunt object in the center of cross 2 indicated Second calibration mark on the illustration When the second and final calibration of the touch panel is set the machine will now automatically ...

Page 11: ...ert the disk with the new memory information in the floppy disk drive 2 Get into the update mode of the machine by pressing the start stop button and the stitch re start button while the main switch A is turned on 3 The memory will now automatically be updated 4 When the memory of the machine is correctly updated RESTART is indicated on the screen Then Turn off the machine Remove the Floppy disk 5...

Page 12: ...ve the screw D 2 Remove the lower rear cover pulling it backwards on the right hand side and at the same time push the front covers upper and lower side of the free arm together 3 Remove the socket of the embroidery unit by bending it away from the snap in the in the cover with a screwdriver on the corner behind the socket Covers ...

Page 13: ...TE Pull carefully the front cover away in order not to damage the cables 7 Remove the cable D of theLCD transformer box and the cable E of the LCD 8 Remove the band cable G of the touchpanel board from the circuit board by pulling the outer covering of the white switch outwards 9 Remowe the cable F of the floppy disk drive from the circuit board by pulling the outer covering of the black switch ou...

Page 14: ...on the the LCD Touch Panel Can be removed after dismounting the LCD frame Floppy disk drive Dismounting 1 Dismont the rear covers 2 Dismount the front cover 3 Remove the LCD frame from the front cover by dismounting the 4 screws A 4 Remove the transformer box by dismounting the screw B 5 Remove the Floppy disk drive by dismount the 3 screws D 6 Remove the cable from the floppy disk drive Mounting ...

Page 15: ...15 104 72 47 26 SETTINGS ...

Page 16: ...ing the revolution Check 1 Rotate the hook back and forth and check the play 2 Do this check on at least 3 different spots during the revolution of the cog wheel Move the cog wheel with the hand wheel Adjustment 1 Loosen screw A in the bearing clamp 2 The play can now be adjusted by turning the eccentric bearing C NOTE The hole B in the bearing shall always be on the lower half Settings ...

Page 17: ...s lowest turning postion 3 The tip of hook A shall now be centred behind the needle and the tap of the worm gear should be positioned according to fig 1 Note The position of the pin shall be aligned with the frame opening Adjustment 1 Loosen screw B Remove the hook and set it into its correct position Note The position of the pin shall be aligned with the frame opening Settings ...

Page 18: ...f the bearing clamps 4 The belt tension can now be adjusted by turning bearing B which is eccentric NOTE The hole C should always be on the front half 4 Belt tension motor belt 1 Dismount rear cover 2 Loosen the 2 screws A and adjust the belt tension by displacing the motor NOTE The adjustment of the arm lower shaft belt affects this adjustment Settings ...

Page 19: ...ll be equal between the screw C and the edge of feeding device shaft D Adjustment 1 Loosen the 2 screws in the feeding device 2 Move the feeding device sideways until the distance A and B is equal between the screws C and the edge of feeding device shaft D 3 Tighten the screws Settings ...

Page 20: ...n when the main switch is turned on repeatedly Check Get into the service program of the machine The needle should be in its upper turning position Touch Needle row 1 The needle should now take its centre position in the presser foot Touch Needle row 1 The needle shall now take its left position The gap between the segment A and the calibration stop B should now be zero 0 mm Note The position of t...

Page 21: ...until the needle is in the centre of the presser foot Touch Needle row 1 Loosen screw F in the calibration stop G and turn it until the gap is correct 0mm Note The position of the eccentric Touch Needle row 1 Turn the screw H until the gap is correct 0 mm This setting is only a sideways limitation Touch Needle row 1 The needle should now take its centre position into the needle hole of the presser...

Page 22: ... machine set at straight stitching centre position alt service menu 1 touch Needle row1 2 Loosen the two screws A and B Move the needle bar with the two eccentric screws C or D until the requirement is obtained The lenght movement is adjusted by moving the eccentric screw C The side movement is adjusted by moving the eccentric screw D 3 Tighten the screws A and B 4 Check the setting by turning the...

Page 23: ...The gap should be as small as possible but max 0 15 mm Adjustment If the gap is too large 1 Loosen the screw A 2 Turn screw B clockwise until the needle touches the tip of the hook 3 Turn screw A until the gap is correct If the gap is too small 1 Loosen the screw B 2 Turn screw A to make the gap larger and then loosen the screw A 3 Turn screw B clockwise until the needle touches the tip of the hoo...

Page 24: ...ng position 2 Place the setting gauge on the needle bar so that the springloaded stud A just touches the needle bar frame and tighten the screw 3 Move the needle upwards with the handwheel until the springloaded stud A rests against its stop in the setting gauge 4 The tip of the hook should now be behind the centre line of the needle Adjustment 1 Remove the blank pointed screw B and loosen the oth...

Page 25: ... 2 mm The check is executed with a polished needle 90 which is 29 15 mm long Order nr 412 35 29 01 Adjustment 1 Bring the needle to its lower turning position 2 Loosen screw A and move the needle bar until the correct measure is obtained 3 Tighten the screw NOTE Check by means of a twin needle that the needle bar is not twisted May cause jump stitches when sewing with a twin needle Settings ...

Page 26: ...eight to the stitch plate Check When the pressar foot is in its highest lifting position it shall be approx 13 mm above the stitch plate Adjustment 1 Get into the service program 2 Touch Servo row 3 The pressar bar now takes its highest lifting position 3 Loosen screw C and move the presser bar until the pressar foot is approx 13 mm above the stitch plate 4 Tighten the screw C Note This setting af...

Page 27: ...le of the needle hole of the stitch plate 14 The sideways setting of the stitch plate the hook cover in relation to the presserfoot Check The presser foot A should be centred and parallel to the feed dog groove B Adjustment Loosen the 4 screws of the hook cover and move it so that the needle in feeding direction decends in the middle of the stitch plate the presser foot is centered and parallel to...

Page 28: ...ccording to fig 1 Adjustment 1 Loosen screw A 2 The gap between the hook and its cover can now be adjusted by turning the stud C right or left To the right the gap becomes larger To the left the gap becomes smaller 3 When the adjustment is done Remove stitch plate bobbin case holder and bobbin case 4 Push the hook shaft B downwards and tighten the screw A 5 Re check Note This setting affects 1 The...

Page 29: ... M row 2 Turn the handwheel in such a way that the step motor changes between its 2 positions The distance between the pins A and the side of the segment shall be equally large in both positions Note The movement of the segment is different from left position to the right position Adjustment 1 Loosen screw B 2 Adjust the cog segment in such way that the distance A between the pins and the side of ...

Page 30: ...3 Touch Side M row 2 Turn the handwheel in such a way that the step motor changes between its 2 positions The feed dog should not at any point touch the stitchplate Adjusment 1 Loosen the 3 screws A located behind the circuit board 2 Move the feeding device sideways until a correct position of the feed dog is accomplished by turning adjustment screw B located behind the circuit board 3 Tighten the...

Page 31: ...tion 2 The top of the feed dog should be 0 9 1 1 mm above the stitch plate Check with setting gauge 411 49 93 01 Adjustment 1 Bring the feed dog to its highest position 2 Adjust with a screw driver the adjustment nut A until a correct feed dog height 0 9 1 1 mm is obtained Settings ...

Page 32: ...e Fig 1 and Fig 2 Adjustment 1 Loosen the the two screws A on the back of the threader head B 2 Move the thread head B so that the threader hook D does not touch the needle heightways See fig 1 3 Move the thread hook holder C so that the threader hook D does not touch the needle sideways See fig 2 4 Tighten the screws NOTE Both settings are adjusted at the same time Settings ...

Page 33: ...turn it until the feed dog comes to a stand still when the foot control is pressed 2 Turn the hand wheel until the needle arrives at its lower turning position 3 Touch Feed row 1 4 The gap between the segment B and the calibration stop C should now be Zero 0 mm To do adjustment of the distance see 21 Pre setting of the feeding step motor Note Make sure that distance is equal on both sides of the s...

Page 34: ...the hand wheel until the needle arrives at its lower turning position Touch Feed row 1 The gap between the segment A and the calibration stop B should now be Zero 0 mm Adjustment Touch Feed row 1 Loosen screw C Turn the eccentric calibration stop B until the gap between segment A and the calibration stop B is 0 mm Check by first turn the hand wheel until the needle arrives at its lower turning pos...

Page 35: ...ng to the symbol C The mending stitch should look according to the illustration Use the mending stitch in the service menu touch row 5 Fine adjustment Touch row 5 in the service menu 1 Turn screw A until the machine sews a mending stitch according to the illustration This adjustment may be done without dismounting the covers see illustration Settings ...

Page 36: ... bobbin case 2 The thread tension spring of the bobbin case shall give a resistance of 12 20 g when pulling the thread slowly Adjustment 1 Turn screw A until the correct thread tension is obtained NOTE Before any adjustment is made remove any loose pieces of thread or fluff from the thread tension discs Settings ...

Page 37: ...dication This general indication can be risen and lowered by means of the thread tension buttons in the Set menu and remains until the machine is turned off Adjustment 1 Get into the service program and select 2 To adjust the thread tension on normal sewing Norm use or 3 Norm adjustments can be done between 10 and 10 if embriodery thread tension Embr is set on 0 zero If Embr is not set on 0 zero t...

Page 38: ... thickness No 70 e g Sulky bobbin 100 Adjustment 1 Get into the service program and select 2 To adjust the tension on embroidery sewing Embr use or 3 Embr adjustments can be done between 10 and 10 if normal thread tension Norm is set on 0 zero If Norm is not set on 0 zero e g 2 there are limitations in the setting The value of the setting could be higher then 10 The adjustment is automatically sav...

Page 39: ...hread guard sensor check Get in to service program Select Sensor in order to check The function of the upper thread guard sensor is indicated by a square Check that the square alternates between filled and not filled when moving the thread take up spring Dismounting 1 Remove the thread tension cover by taking a firm grip on the top of the cover A and then carefully pulling it away from the front c...

Page 40: ... out in straight stitching in cotton Adjustment 1 Remove the thread tension cover by taking a firm grip on the top of the cover and then carefully pulling it away from the front cover 2 Turn the thread tension peg A with a screw driver until a correct thread take up is obtained NOTE The setting of the thread take up spring affects the function of the upper thread guard sensor Settings ...

Page 41: ... When winding up the lower thread onto the bobbin the machine should stop when there is a min of 1 mm between the edge of the bobbin and the thread Adjustment Turn by means of a screwdriver torx the disconnection A until the correct amount of thread is obtained Settings ...

Page 42: ...42 104 72 47 26 Base Plate Dismounting 1 Dismount the upper and lower rear cover 2 Dismount front cover 4 Dismount the 2 screws A for the transformer 3 Dismount the 3 screws B Dismantling and mounting ...

Page 43: ...nhook the cable to the circuit boards from the transformer Checking the transformer Connect the transformer to mains Measure the tension and resistence between the contact pins 1 shall be approx 5 Volt computer 2 3 Grounding 4 5 shall be approx 26 Volt Step motor drive motor 6 7 shall be approx 100 0 k Ohm Foot control connected NOTE The Transformer is a switched mode type power supply and can ope...

Page 44: ...necting Sewing head board ciruit board 5 LC display transformer box 16 Lamp front cover 6 Stop right board 17 Lamp Sewing head 7 Thread cutter assembely 18 Step motor of the pressar foot lifter 8 Transformer 19 Stepmotor of the needle 9 Motor Red cable down 20 Sensor of the pressarfoot lifter 10 Thread tension 21 Pressar foot sensor 11 Side feedings step motor 22 Sewing head card 23 Switch jumper ...

Page 45: ...cuit board Dismounting 1 Dismount rear cover 2 Dismount front cover 3 Disconnect the stop right board cable from the circuit board 3 Dismount the screw A thats holds the stop right circuit board 4 Cautiously remove the circuit board from the support by bending its lower end outwards and thereafter pulling it downwards Dismantling and mounting ...

Page 46: ...g head from the stud E of the thread take up lever and the connecting rod F Mounting 1 Hook on the sewing head to the connecting rod F and the stud E of the thread take up lever 2 Place sewing head in the machine 3 Tighten the screw C 4 Mount the block D together with the screw B in the machine and tighten Set thereafter 8 The gap between the needle and the hook 6 The centre position of the needle...

Page 47: ...ewing head connection board Mounting 1 Attach the cable to the sewing head connection board 2 Set the needle in it s center position 3 Position the cogwheel B so that the screw C is pointing upwards 4 Mount the callibration stop D Note the position 5 Mount the step motor 6 Position the step motor and tighten the screws A Set thereafter 6 The centre position of the needle Dismantling and mounting ...

Page 48: ...lamp of the sewing head by removing the screw A 4 Dismount the cable from the sewing head connection board 5 Dismount the step motor by removing the 2 screws B Mounting 1 Attach the cable to the sewing head connection board 2 Mount the step motor and tighten the screws B 3 Mount the lamp of the sewing head Dismantling and mounting ...

Page 49: ...ismount the cable holder from the cable on the inside of the front cover 6 Dismount the thread tension by removing the 2 screws A and B Note that the grounding cable is mounted on the screw B 7 Dismount the cogwheel C by removing the screw D 8 Dismount the step motor by removing the 2 screws E Mount in reverse order Set thereafter 23 Lower thread tension 24 Upper thread tension Normal Position 25 ...

Page 50: ...r hatch by using a screwdriver at A 7 Dismount the 4 screws B on the hook cover and disconnect the step motor lower thread indicator cable from the main circuit board 8 Dismount the hook cover by pulling it slightly backwards to the left Mount in reverse order Set thereafter 13 Setting the stitchplate hook cover in relation to the needle in feeding direction 14 The sideways setting of the stitchpl...

Page 51: ...n t damaged The lower thread indicator 1 Dismount the hook cover 2 Dismount the thread cutter step motor 3 Snap away the thread cutter cover 4 Dismount the thread cutter gearbox by removing the 2 screws E 5 Dismount the thread sensor compl F Mount in reverse order Note Both diods on the thread sensor should be pushed into the hook cover The thread cutter step motor Dismounting 1 Dismount rear cove...

Page 52: ...t backwards 2 Set the guide in the correct position se illustation 3 Insert feeding unit and connect the cross joint 4 Tighten screws B 5 Connect the draw bar and spring A 6 Mount hook cover presser foot holder and needle Set there after 5 The setting of the feed unit sideways 13 The setting of the stitch plate hook cover in relation to the needle in the feeding direction 14 The sideways setting o...

Page 53: ...ws A 3 Mount the feed dog frame on the feed unit 4 Mount the feed unit Set thereafter 5 The setting of the feed unit sideways 13 The setting of the stitch plate hook cover in relation to the needle in the feeding direction 14 The sideways setting of the stitch plate hook cover in relation to the pressarfoot 18 Feed dog height 20 Stitch length balance basic setting 21 Pre setting the step motor of ...

Page 54: ...Set thereafter 17 Setting the feeding mechanism sideways 22 The stitch length balance fine adjustmemt The step motor of the side feeding mechanism Dismounting 1 Dismount the side feeding mechanism 2 Dismount the cogwheel by removing the screw A 3 Dismount the step motor by removing the 2 screws B The step motor is connected to the circuit board according to the wiring plan Mount in the reverse ord...

Page 55: ...f the machine and remove its contact from the circuit board Mounting 1 Position the step motor compl 2 Connect the connection C between the segment shaft of the step motor and the feeding unit Note Location of the guide see Fig 1 Do not turn 180 degrees wrong 3 Tighten screws B and connect contact to the circuit board 4 Mount the spring holder and spring A 5 Mount the drawbar to the side feeding m...

Page 56: ...wnwards so that it is without play and tighten screw A 5 Mount the feeding unit Note The position of the hook in relation to the lower shaft mustn t be changed Set thereafter 2 Setting of the hook in relation to the feeding eccentric 1 Play of the hook gear 5 Setting of the feeding unit sideways 8 Gap between the needle and the hook 9 Timing of the hook in relation to the needle 10 Needle height 1...

Page 57: ...nting 1 Dismount rear covers and front cover 2 Dismount the screw A Mounting 1 Keep the bobbin device in extended position 2 Push ring B against the hand wheel 3 Push the rubber ring C of the bobbin device against ring B 4 Tighten the screw 5 Check Note With the bobbin device in the extended position there should be a small play when pushing the ring B against the hand wheel Dismantling and mounti...

Page 58: ... bend the cover so that the 5 snaps A are exposed and lift the cover upwards Mounting Place the cover over the plate and press the snaps Step motor cover Snap off the step motor cover by pushing in the snap A in the direction of the arrow Embroidery Unit ...

Page 59: ...rectly inserted Cover lower part Dismounting Remove the 3 screws A and grounding cable B Lift out the embroidery and unhook the Y unit from the guide rail Disconnect the cable to the step motor Deattatch the connecting board and disconnect the cable Mounting in reversed order Locker switch The locker switch contains a micro switch that shuts off the embroidery unit when it is attached detached fro...

Page 60: ...lt tension is obtained Calibration of the end position X unit Check Move the X unit to that the calibration stop E is against the frame F The distance between A and B should now be 2 mm Adjustment 1 Remove the holder C by removing the screws D 2 Move the Y unit so that the distance between A and B is 2 mm 3 Turn the cog wheel so that the calibration stop E is against the frame F 4 Mount the holder...

Page 61: ...ained Calibration of the end position Y unit Check Move the Y unit so that the calibration stop A is against the hoop holder frame B The distance between the hoop holder frame C and frame stop D should be 2 mm Adjustment 1 Remove the holder E by removing the 2 screws F 2 Move the Y unit so that the distance between C and D is 2 mm 3 Turn the cogwheel so that the calibration stop A is against the f...

Page 62: ... on the hoop holder Check 1 Mount the embroidery unit on the machine 2 Get into the service program menu 1 3 Calibrate the embroidery unit by touching XY row 3 4 Touch XY row 3 the hoop now takes its center position 5 Touch Sensor row 3 the machine will now enter service menu 2 sensor check 6 The Hoop sensor square should now be activated black row 11 Adjustment 1 Get into the service program menu...

Page 63: ... motor by removing the 2 screws B Mounting in reversed order Set thereafter Calibration of the end position Y unit The hoop sensor Step motor X unit Dismounting Dismount the upper cover Dismount the lower cover Dismount the calibration stop A by pulling it up Dismount the step motor cable Dismount the step motor by removing the 2 screws B Mounting in reversed order Set thereafter The calibration o...

Page 64: ... but then stops and The pop up message No disk inserted General disk fault comes 1 Check that it is an Husqvarna embroidery disk inserted 2 Check the cables 3 Try a new floppy disk drive 4 Try a new circuit board The buttons on the front panel does not function 1 Check that none of the buttons of the machine stays pressed 2 Check the contact area behind the buttons and the contact area on the push...

Page 65: ...or to the circuit board is correctly inserted and not damaged 4 Check the signals of the circuit board to the step motor If step motor is working replace circuit board If step motor is not working replace sewing head compl or step motor The feeding movement of the machine does not work correctly 1 Check in the service menu 2 that the arm shaft sensor is working If error check first that the cable ...

Page 66: ...ion 2 Check the screens between the photo diode of the upper thread guard so that it s running smooth If not OK 1 Check that the cable to the upper thread guard sensor board is correctly inserted and not damaged 2 Try a new upper thread guard 3 Try a new circuit board The machine stops and indicates that the upper thread is broken Check the upper thread sensor in the service menu If not OK 1 Check...

Page 67: ...vice check that the motor does not run in reverse 1 Try a new circuit board The embroidery unit does not feed in all directions 1 Check the calibration by using the service menu 1 2 Check all cables of the embroidery unit are correctly inserted and not damaged 3 Try a new motor 4 Try a new circuit board The embroidery unit dos not work at all 1 Check the calibration by using the service menu 1 2 C...

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