Viking Designer 1 Service Manual
Contents
1. Mount the feed unit Set thereafter 9 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 the feed dog 22 Stitch length balance fine adjustment 104 72 47 26 03 Dismantling and mounting T he side feeding mechanism cpl Dismounting 1 Dismount rear cover and front cover 2 Dismount the main circuit board 3 Disconnect the draw bar C from the side feeding mechanism by removing the screw A and the clip B 4 Remove the 3 screws D and remove the side feeding mechanism Mount in the reverse order Set thereafter 17 Setting the feeding mechanism sideways 22 The stitch length balance fine adjustmemt T he 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 order Note The screw A on the cog wheel shall be positioned so it doesen t hit into the cog segment 104 72 47 26 Dismantling and mounting T he step motor of the feeding unit Dismounting Dismount rear2. UL LLL LLL LEES TE P E ELLE i is against the frame B eS 4 Mount the holder E with one leg on each side of the belt 104 72 47 26 61 62 Embroidery Unit Hoop holder Dismounting Remove locking washer A pull out the shaft B and remove the hoop holder Remove the two screws C pull out the spring D and remove the plate To remove the button push out the pin E from the backside To remove the hoop sensor snap off the spring F Mounting Mount in reverse order NOTE After mounting set calibration of the end position T he hoop sensor The embroidery unit has a sensor that indicates which hoop size that is inserted This is done by means of a photo diode on the y frame and a screen 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 Cal TOW 3 4 Touch xy Bent row 3 the hoop now takes its center position 5 Touch Sensor tenu row 3 the machine will now enter service menu 2 sensor check 6 The Hoop sensor square should now be activated black row 11 B A Adjustment Fr GO 1 Get into the service program menu 1 2 Calibrate the embroidery unit by touch XY cal row 3 n a 3 Touch xy Bent row 3 the hoop now takes its center position 4 Touch Sensor fiend row 3 the machine will now enter service menu 2 sensor check 5 Loosen
3. 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 A A A A 12 104 72 47 26 Covers Front cover Dismounting Dismount the rear covers Remove the button for the bobbin winding sensor stop by pulling it straight out Remove the two screws B from behind Remove the two screws C in the base plate Tum the hand wheel until the needle is in its lowest position so the thread take up lever is out of the way Carefully bend away the front cover from the hand wheel and pull it straight out NOTE 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 ICD 8 Remove the band cable G of the touchpanel boar 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 outwards 10 Remove the two cables H and I of the push button assembly 11 Remove the cable K of the thread tension 12 Remove the cable M of the lamp K 13 Remove the earth cable from the LCD frame D ges co be p e ee PLN TON MT MN owe Ji gives gt Sensit qw FUN ES Dg Mounting Mount in
4. and then carefully pulling it away from the front cover Dismount the push button board by disconnecting it from the cable Dismount the cable holder from the cable on the inside of the front cover Dismount the thread tension by removing the 2 screws A and B Note that the grounding cable is mounted on the screw B Dismount the cogwheel C by removing the screw D 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 Upper thread tension Embroidery Position 27 Thread take up spring 26 Thread sensor guard 104 72 47 20 49 90 Dismantling and mounting The hook cover compl step motor house Dismounting 1 Dismount the rear covers and the front cover 2 Move the presser bar to its highest position 3 Remove the needle 4 Dismount the presser foot holder 5 Dismount the bobbin window the stitch plate the bobbin basket holder and the bobbin basket 6 Snap away the thread cutter 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 settin
5. eccentric straight backwards Needle in the highest position 4 Unhook spring A from the feed carrage and disconnect the draw bar from the feed dog frame 5 Dismount the 2 screws B 6 Disconnect the cross joint py pushing the feeding shaft to the right 7 Lift out the complete feeding unit Mounting 1 Set feeding eccentric straight backwards 2 Set the guide in the correct position se illustation 3 Insert feeding unit and connect the cross joint 4 Tighten screws B 9 Connect the draw bar and spring A 6 Mount hook cover presser foot holder and needle Set there after 9 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 15 The height of the hook 17 Set ng the feeding mechanism sideways 18 Feed dog height 20 Stitch length balance basic setting 21 Pre setting the step motor of the feed dog 22 Stitch length balance fine adjustment 104 72 47 20 Dismantling and mounting Feed dog Dismounting 1 Dismount the feeding unit 2 Dismount the feed dog frame from the feed unit 3 Dismount the feed dog by removing the 2 screws A Mounting 1 Press the feed dog and the feed dog frame against a straight sureface See Fig 1 2 Tighten the 2 screws A 3 Mount the feed dog frame on the feed unit 4
6. enter the service menu 1 again Menu Sensor check The machine enters Service Menu 2 now S WB QD OD OD OD 0x0 Is used when coarse adjusting the stitch length balance The feed dog should now stand still 0 feeding 2 9x0 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 Toucharea SM The machine sews a side motion stitch Hem Mend Is used for fine adjusting the stitch lenght balance The machine now sews a pre programed mending stitch MM Rep The machine sews signs B PRS Embr The machine sews the first embroidery on an inserted Embroidery disk On Line Sew Time Embr Time OH OF OH OF LH OM Indicates how many hours and minutes the machine has been switched on Indicates how many hours and minutes the machine has been sewed on Indicates how many hours and minutes the machine has been embroidered on 104 72 47 26 service Program Sensor check Functions of the service menu 2 Operation Get into the service program Touch Sensor Menu TOW 3 Designer 1 Servicemenu 2 Active Square 15 filled Rrmshaft sensor 1 BI Check of armshaft s first sensor stop right function RHrmshaft sensor 2 Check of armshaft s second sensor stop right function Needle feed sens gg Check of needle P foot sensor 1 Check of pressarfoot s first sensor P f
7. 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 the feed dog groove 104 72 47 26 21 Settings 15 The height of the hook Is checked between the bobbin case and the case holder Check The distance between the bobbin case and the case holder should be 0 5 sc MM The check is carried out at the tightest spot between the bobbin case and the case holder Check at the two marked positions according 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 play of the hook gear 9 The timing of the hook and the needle 10 The needle height Check with distance gauge 412 38 85 01 r A Rh 104 72 47 26 settings 16 Pre setting of the step motor for the side feeding Check 1 Dismount the circuit board 2 Dismount the side feeding unit 3 Mount the circuit board 4 Connect the side feeding u
8. the screw A and move the sensor holder B until the hoop sensor square is activated black row 11 6 Tighten the screw A 7 Re check 104 72 47 26 Embroidery Unit Step motor Y unit Dismounting Dismount the Y slide cover Dismount the step motor cover Dismount the upper cover Dismount the calibration stop A by pulling it up Dismount the cable from the connection board Dismount the step 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 of the end position X unit 104 72 47 20 63 64 Faultfinding diagram Fault finding diagram Always update the flash memory to the latest version before doing any checking or adjustments even if the flash memory already is of the latest version The touch panel does not function 1 Calibrate the touch panel 2 Check the surface for damage 3 Check that the cable is correctly inserted 4 Try a new touch panel 9 Try a new main circuit board The LCD has no background light 1 Check that the cables are correctly inserted Try new cables 2 Change the light tube transformer 3 T
9. VIKING Husqvarna SERVICE MANUAL Designer I aus de EE ELGEA EMI i d E Aa Aa sec Printed in Sweden Made in Sweden 104 72 47 26 March 1999 Replaces 104 72 45 01 Contents Directions for use ESD Service tools Service program Upper thread tension Functions of the service menu 3 Sensor check Functions of the service menu 2 Calibration of the touch panel Update of the memory Covers Upper rear cover Lower rear cover Front cover Parts of the front cover LCD Touch Panel Floppy disk drive Setti The play of the hook gear Setting the hook in relation to the feeding eccentric after feeding Belt tension arm lower shaft belt Belt tension motor belt setting the feeding unit sideways Basic setting the step motor of the needle setting of the needle in relation to the presser foot The gap between the needle and the hoo The ming of the hook in relation to the needle 10 The needle height 11 Presser foot n to the feed dog 12 Presser foot height to the stitch plate 13 Setting the stitch plate the hook cover in relation to the needle in the feeding direction 14 The o setting of the stitch plate the hook cover in relation to the presserfoot 15 The height of the hook 16 Pre setting of the step motor for the side feeding 17 Md the feeding mechanism sideways 18 Feed dog height 19 Threading device 20 Stitch length balance ba
10. a memory in which the characteristics ET Gm and stitches of the machine are stored SIDE M Tension Lcd Contr Touch In order to update the memory the machine has an a update mode Sensors Serva 39 kY Revision of the program SeeeaeG The revision of the program can be seen in oxo 25x xo exo aa 66 the lower right side of welcome screen or checked in the service program menu 1 sn Ben Mena m Rep Erer On Time Seuw Timne Embr Time Designer 1 Servicemenu 1 Fev XXXXX How to update 1 Insert 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 tumed on Press 3 The memory will now automatically be updated 4 When the memory of the machine is correctly updated RESIART is indicated on the screen Then Turn off the machine Remove the Floppy disk 5 Re start the machine and check the revision see above NOTE If the Main PC board is changed the memory always has to be updated with the latest version 104 72 47 26 11 Covers Upper rear cover 1 Remove the five screws A 2 Remove the two screws B 3 Remove the screw C Lower rear cover 1 Remove 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
11. at it s running smooth If 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 sensor board Try a new circuit board The presser foot lifter does not work Check in service menu that the presser foot sensors are working If OK 1 Check if there is contact between the buttons and the push button board 2 Check the cables from the step motor are correctly inserted and not damaged If not OK 1 Try a new sensor or a compl sewing head 2 Try a new sewing head slave board 3 Try a new circuit board 104 72 47 20 Faultfinding diagram The buttonhole sensor does not work 1 Make sure that the contact of the buttonhole sensor is correctly inserted and check its function by using the service menu 2 2 Try a new buttonhole sensor and check its function by using the service menu 2 3 Check the cable from the contact of the buttonhole sensor to the slave board and the circuit board are correctly inserted and not damaged 4 Try a new sewing head slave board 9 Try a new circuit board The side motion of the machine does not work at all 1 Check the setting of the step motor of the side motion so that the screw does not get caught in the cog segment 2 Check the connection of the side feeding mechanism 3 Check that the cable connection between the step motor and the circuit board are correctly inserted and not damaged 4 Try a ne
12. ccurs during service check that the motor does not run in reverse 1 Change motor 2 Try a new circuit board The machine is completely dead Motors and displays do not function 1 Check the main cable 2 Try a new transformer 3 Try a new circuit board 104 72 47 26 Faultfinding diagram The machine does not work when the foot control is pressed but works when pushing the start button 1 Check that the contact of the cord device of the cord is correctly pushed into the potentiometer 2 Check by means of a new foot control potentiometer cord device 3 Iry a new transformer The machine does not start when neither foot control nor start button is pressed 1 Check that the bobbin stop sensor is not activated 2 Try a new motor 3 Try a new circuit board The machine races when switched on or started 1 Check that the start button does not stay pressed 2 If the machine only races when the foot control is connected then check the foot control 3 Try a new circuit board The zigzag movement of the machine does not work correctly 1 Check that the twin needle isn t activated 2 Check in the service menu 2 that the arms shaft sensor is working If error check first that the cable between sensor board and Main PC board is correctly inserted and not damaged Still error replace sensor board 3 Check that the cable connection of the step motor to the circuit board is correctly inserted and not damaged 4 Ch
13. ce 22 Stitch length balance 104 72 47 20 Dismantling and mounting T he step motor of the needle Dismounting 1 Dismount rear covers 2 Dismount front cover 3 Dismount the step motor by removing the 2 screws A 4 Dismount the step motor cable on the sewing head connection board Mounting Attach the cable to the sewing head connection board Set the needle in it s center position Position the cogwheel B so that the screw C is pointing upwards Mount the callibration stop D Note the position Mount the step motor Position the step motor and tighten the screws A 1 2 3 4 6 Set thereafter 6 The centre position of the needle 104 72 47 20 47 48 Dismantling and mounting The step motor of the presserfoot lifter Dismounting 1 Dismount rear covers 2 Dismount front cover 3 Dismount the 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 104 72 47 26 Dismantling and mounting T he thread tension compl Dismounting 1 c gI e co 1 Dismount rear covers 2 o Dismount the front cover Dismount the thread tension cover by taking a firm grip on the top of the cover
14. ch on and off a couple of times NOTE The Setting of the needle in relation to the presser foot affects the function of 6 Basic setting the step motor of the needle 22 104 72 47 26 Settings 8 T he gap between the needle and the hook Check 1 Set the machine on straight stitching 2 Insert a new needle 90 in the machine 3 Rotate hand wheel until the tip of the hook arrives behind the needle Check the gap by pressing a small screw driver against the needle 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 J 3 Turn screw A until the gap is correct If the gap is too small 1 Loosen the screw B 2 Tum screw A to make the gap larger and then loosen the screw A 3 Tum screw B clockwise until the needle touches the tip of the hook 4 Turn screw A until the gap is correct NOTE Always tighten screw A Check A 0 15 max 104 72 47 26 23 24 Settings 9 T he timing of the hook in relation to the needle Check Set a new needle 90 into the machine Dismount the stitch plate bobbin case holder and the bobbin case Set machine on straight stitching As the needle is moving upwards the tip of the hook should pass behind the centre of the needle when the needle is 2 5 mm above its lower turning position NOTE Before a
15. cover and front cover Dismount the circuit board Dismount the base plate Unhook spring A at the end of the segment shaft Disconnect the draw bar from the side feeding mechanism Remove the screws B of the step motor frame expose the cross joint C between the feeding shaft of the step motor and the feeding unit by pushing the shaft to the right Lift the step motor compl out of the machine and remove its contact from the circuit board OI OT dg C N e C 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 tum 180 degrees wrong 3 Tighten screws B and connect contact to the circuit board 4 Mount the spring holder and spring A NA 5 Mount the drawbar to the side feeding mechanism 6 Mount the Base cover main circuit board front and rear covers Set thereafter 17 Setting the feeding mechanism sideways 20 Stitch length balance basic setting 21 Pre setting the step motor of the feed dog 22 Stitch length balance fine adjustment 104 72 47 26 ve Dismantling and mounting Hook compl Dismounting 1 Dismount rear cover and front cover 2 Dismount the feeding unit 3 Loosen the screw A and lift hook compl B Note The hook can be dismounted without removing the feeding unit Mounting 1 Tum the hand wheel until the needle comes to its h
16. d 3 Tighten the 3 screws A 4 Re check the positions of the feed dog ee ee 104 72 47 26 settings 18 Feed dog height Check 1 Bring the feed dog to its highest position 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 411 49 93 01 104 72 47 26 31 Settings 19 T hreading device Check 1 Insert a new needle 2 Bring the needle to its highest turning position 3 The threader hook shall go smoothly into the needles eye See 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 104 72 47 20 settings 20 Stitch length balance basic setting Check Get into the service program Touch Feed pos row 1 the feed dog shall now stand still when the foot control is pressed 0 feeding Adjustment 1 Touch Feed 023 row 1 Loosen the screw A of the cog wheel and turn it until the feed dog comes to a stand still when t
17. djusted in such a way that it should be possible to push in the belt approx 4 5 mm with a force of 0 2 kg Adjustment Adjust by loosening the screw A and move the plate B until a good belt 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 C F E CERO SS NL Boke 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 Tum the cog wheel so that the calibration stop E is against the frame F 4 Mount the holder C with one leg on each side of the belt 5 Check 104 72 47 20 Embroidery Unit Embroidery unit Y unit Belt tenson Check The belt should be adjusted in such a way that it should be possible to push in the belt approx 5 mm with a force of 0 2 kg Adjustment Adjust by loosening the screw s A and move the plate B until a good belt tension is obtained 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 EN 3 Tum the cogwheel so that the calibration stop A
18. e fabrics better results may be obtained in certain cases by altering the settings It must be pointed out that these altered settings can cause poorer results on more normal fabrics How the different standard ratings are 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 C N 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 Gauge for setting the timing of the hook in relation to the needle Ref No 411 17 52 01 Gauge for the feed dog lift Ref No 411 49 93 01 Gauge for the needle height Ref No 412 35 29 01 Adam key 2 5 mm Ref No 411 86 01 01 Adam Key 2 mm Ref No 411 86 00 01 Adam key 1 5 mm Ref No 411 66 89 01 Distance gauge 0 05 1 00 mm Ref No 412 38 85 01 Angel key Torx 6 Ref No 412 27 67 01 10 Screwdriver Torx 10 Ref No 412 36 48 01 11 Screwdriver Torx 20 Ref No 412 36 49 01 12 Screwdriver Torx 25 Ref No 412 36 50 01 13 Cable set for service Ref 412 49 08 01 14 Calibration of touch panel Ref No 412 22 33 01 104 72 47 26 service Program Service program In order to facilitate the checking and setting of the different functions of t
19. eck 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 between sensor board and Main PC board is correctly inserted and not damaged Still error replace sensor board 2 Check that the cable connection of the step motor to the circuit board is correctly inserted and not damaged 3 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 step motor The stitch length balance of the machine is not correct Buttonholes pattern stitches letters 1 Always use correct presser foot 2 Check the pre setting of the feeding step motor 3 Check that there is no friction in the feeding mechanism 4 Adjust the stitch length balance The automatic thread tension does not work 1 Check the cable connections between step motor and circuit board are correctly inserted and not damaged 2 Try a new step motor 3 Try a new circuit board 104 72 47 26 65 66 Faultfinding diagram The machine does not alarm when the lower thread ends Before doing any service clean both diodes of the lower thread sensor and remove all fluff 1 Check the lower thread sensor in the se
20. er then 10 The adjustment is automatically saved NOTE Before any adjustment is made remove any loose pieces of thread or fluff from the thread tension discs 104 72 47 26 settings 26 Upper thread guard sensor Check When the upper thread is finished or breaks the machine will stop B This is done by means of a photo diode B on the push button board which reads the movement on the screen C which moves simultaneously with the thread take up spring D The machine must be threaded in order to activate the upper thread guard sensor Upper thread guard sensor check Get in to service program Select Sensor Menu in order to check The function of the upper thread guard sensor is indicated by a square A Check that the square altemates 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 cover 2 Remove the push button board by disconnecting it from the cable NOTE The setting of the thread take up spring affects the function of the upper thread sensor 104 72 47 26 39 Settings 27 Setting the thread take up spring Check The thread take up spring should have completed its movement when the needle eye reaches the fabric The check has to be carried out in straight stitching in cotton Adjustment 1 Remove the thread tensi
21. ersion 44 104 72 47 26 Dismantling and mounting Stop right circuit 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 NOTE Check that the lower shaft sensor is mounted at a distance of approx 1 mm from the screen see illustation 104 72 47 26 45 Dismantling and mounting Sewing head Dismounting Dismount rear covers and front cover Dismount the cable from the main circuit board to the sewing head connection board Loosen the screw A Loosen screw B and remove the block D by pushing the screw B down Remove screw C Unhook the sewing head from the sewing machine arm Unhook the sewing head from the stud E of the thread take up lever and the connecting rod F SID C EP WN 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 7 Setting of the needle in relation to the preesarfoot 10 Needle height 19 Threading devi
22. ew 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 104 72 47 20 29 Settings 11 Presser foot parallelism to the feed dog Check The presser foot A should be parallel to the feed dog B Adjustment 1 Loosen screw C and turn the presser foot until it is parallel to the feed dog 2 Tighten the screw C 12 Presser foot height to the stitch plate Check When the pressar foot is in its highest lifting position it shall be LUC jani he fore approx 13 mm above the stitch plate pp p ll E 1 E Adjustment 1 Get into the service program 2 Touch Servo Ea row 3 Hae The pressar bar now takes its highest lifting position Die 3 Loosen screw C and move the presser bar until V the pressar foot is approx 13 mm above the stitch plate DE 4 Tighten the screw C 13 mm Note This setting affects 11 Presser foot parallelism to the feed dog 104 72 47 26 Settings 13 Setting the stitch plate the hook cover in relation to the needle in the feeding direction Check 1 Insert a new needle 90 in the machine 2 In the feeding direction the needle should descend right into the middle of the needle hole of the stitch plate 14 T he sideways setting of the stitch plate the hook cover in
23. g of the stitchplate hook cover in relation to the pressarfoot 15 The height of the hook 17 Setting the feeding mechanism sideways 104 72 47 20 Dismantling and mounting Parts of the hook cover compl Changingthe thread cutter knife Dismounting 1 Dismount the stitchplate 2 Snap away the thread cutter cover 3 Dismount the thread cutter knife arm B 4 Dismount the thread cutter holder D 5 Dismount the knife C Mounting Mounting in reversed order The pin G shall be in groove H NOTE When mounting the thread cutter knife arm check that the thread brake lining isn t damaged T helower 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 Thethread cutter step motor Dismounting 1 Dismount rear covers and front cover 2 Dismount the hook cover compl 3 Dismount the thread cutter step motor by removing the 2 screws A 4 Disconnect the cable from the step motor Mount in reverse order 104 72 47 26 ol Dismantling and mounting Feeding unit Dismounting 1 Dismount rear and front covers 2 Dismount the hook cover 3 Dismount the needle and the presser foot holder and set the feeding
24. h time you touch the touch area Note There are limitations in the setting The value of the setting could be higher 10 Toucharea 2 09X0 The machime sews a straight stitch 2 5 mm 4x0 The machine sews a straight stitch 4 mm 6 0x0 The machine sews a straight stitch 6 mm 4x4 The machine sews a zig zag stitch 4x4 mm 0 4x6 The machine sews a zig zag stitch 0 4x6 mm Embr The machine sews the first embroidery on an inserted embroidery disk Back Back to service menu 1 104 72 47 26 9 Designer 1 5eruvicemenu 3 service Program Calibration of the touch panel How to synchronize the touch area of the touch panel with the symbols on the screen Get into the service program of the machine Press the needle stop button or touch Touch Cal ow 2 in the service menu 1 1 Touch 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 enter the service menu 1 First calibration mark Second calibration mark Set the calibration of the touch panel with gauge 412 22 33 01 10 104 72 47 26 service Program U pdate of the memory Ue EE Designer 1 Servicemenu 1 Rew The Designer 1 has
25. he foot control is pressed 2 Turn the hand wheel until the needle arrives at its lower turning position 3 Touch Feed Bpes 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 stop screw D before a basic setting is performed 104 72 47 26 33 Settings 21 Pre setting the step motor of the feed dog Check 1 Set the needle in its lower turning position The feed dog should after turning the mains switch several times on and off always reach such a position that 2 5 mm straight stitching will be obtained Check 2 Get into the service program Turn the hand wheel until the needle arrives at its lower turning position Touch Feed amp pes row 1 The gap between the segment A and the calibration stop B should now be Zero 0 mm Adjustment Touch Feed P2 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 position then touch Needle calo several times The motor should now run smoothly and the gap should remain 0 mm 104 72 47 26 settings 22 Stitch length balance Check A Both columns of the buttonhole should be of the same density B The
26. he 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 Designer 1 Servicemenu 1 Rew Heedle Feed SIDE H Tension Led Contr Touch Seryo _ mz Sensors On Time Time TESTI Time od om oH om OH on 104 72 47 26 Service program service Program Designer 1 Servicemenu 1 Rew Heedle Feed SIBE M Tension Led Contr Touch Functions of the service menu 1 L R Menu call On the top of menu Service Menu 1 Row 1 Needle Feed Needle Needle Needle Feed Feed Toucharea Cal 0 Lpos Opos Rpos 0 pos C pos Service Menu 1 Row 2 Toucharea Side motion L Side motion R Tension Menu LCD Contrast LCD Contrast Touch Cal 104 72 47 26 Servo Ss sY Sensors On Time NEN Time oT Time oH omn oH cow OH OM Designer 1 Servicemenu 1 Rev XXXXX The revision of the program He edle Feed Upper needle position Checking the centre position of the needle step motor Lower needle position Checking the centre position of the feeding step motor Is used fo
27. heel D on the step motor shaft Tum the cog wheel until the needle is in the centre of the presser foot QC y Ike lis Touch Needle Lpos row 1 Loosen screw F in the calibration stop G turn it until the gap is correct 0mm Note The position of the eccentric Touch Needle Rpog row 1 Tum the screw H until the gap is correct 0 mm This setting is only a sideways limitation Touch Needle pos row 1 The needle should now take its centre position into the needle hole of the presser foot 104 72 47 26 21 Settin gs 7 Setting of the needle in relation to the presser foot Check Insert a new needle 90 in the machine When the machine is set at straight stitching centre position the needle bar shall be set in such a way that a needle 90 passes through the centre of the needle hole in the presser foot 1 seen from the front 2 seen from the side Needle point Adjustment 1 Tum on the main switch Keep the machine set at straight stitching centre position alt service menu 1 touch Needle calo 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 main swit
28. hey assume a thorough knowledge of the handling of precision appliances and accessibility to service tools The manual is divided into two sections and covers all service operations and checks which should be carried out when making a complete overhaul of a sewing machine The first section deals with the various 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 importance that precautions are being taken in order to avoid damage of the electronics by electro static discharges ESD Electro Static Discharge To avoid that these errors arise it is important to handle loose circuit boards in a controlled way Always use wrist band 412 23 02 01 when servicing 104 72 47 26 Service tools A reasonable requirement in a domestic sewing machine is that it should able to sew all types of fabrics used in the home The settings made when assembling and sewing in the machines are those most suited to give the best results in the majority of fabrics and fabric combinations In doing so consideration has been given to the requirements of different markets This does however mean that when sewing extrem
29. ighest position 2 Position washer adjustment stud and dust shield onto the arm With the adjustment stud forward 3 Place the hook so that the tip C points straight backwards 4 Press the hook shaft downwards 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 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 15 The height of the hook 18 Feed dog height 22 Stitch length balance 7 i t BY 104 72 47 26 Dismantling and mounting Bobbin winding device Needle and feeding movement should be disengaged when the bobbin shaft with its rubber ring is pushed against the ring B and engaged when it is pushed back Dismounting 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 ex
30. machine should sew a motif according to the symbol C The mending stitch should look according to the illustration Use the mending stitch in the service menu touch Mena row 5 ATT ITT T ATT UT MTT Fine adjustment Approx tw fill Touch Mend row 5 in the service menu 1 Tum screw A until the machine sews a mending stitch according to the illustration This adjustment may be done without dismounting the covers see illustration ON 104 72 47 26 39 Settings 23 Lower thread tension thread tension of the bobbin case Check 1 Insert a full bobbin into the 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 36 104 72 47 26 settings 24 U pper thread tension Normal position Check A correct take up should be obtained on straight stitch and Zig zag when the sewing advisor is set on woven medium Comment 1 The sewing advisor adjusts the thread tension according to the selection of fabric and sewing technique This is done by means of the computer and the thread tension step motor Comment 2 The thread tension that is set in the set menu is to be regarded as a general indication This general indication can be risen and l
31. nit Hold the side feeding unit in your hand 9 Touch Side M pe row 2 Tum the handwheel in such a way that the cog segment changes between its 2 positions Touch Side M EN 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 the segment is equally large in both positions NOTE The adjustment must be done in both Side M ee and Side M R postitions 3 Tighten screw B 4 Re check 104 72 47 26 29 Settings 17 Setting the feeding mechanism sideways Check 1 Get into the service program 2 Touch Side M UR 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 3 Touch Side M L row 2 Tum 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 boar
32. ny adjustment is done check that the setting 2 Setting the hook in relation to the feeding eccentric is correct see page 17 Check with setting gauge 411 17 52 01 1 Tum the handwheel until the needle is at its lower turning 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 other 2 screws in the belt wheel of the arm shatt 2 Repeat checking points 1 2 and 3 with setting gauge 411 17 52 01 3 Hold the arm shaft and turn the hook until its tip arrives behind the centre line of the needle 4 Tighten one of the black screws 9 Make sure the screw descends into the groove of the shaft so that the belt wheel is placed correctly sideways 6 Check 7 Tighten all the screws 104 72 47 20 settings 10 T he needle height Check 1 Bring the needle into its lower turning position 2 The gap between the upper end of the needle and the surface B of the hook ring should be 29 15 0 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 scr
33. on 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 40 104 72 47 26 Settings 28 Disconnection when winding the lower thread Check 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 Tum by means of a screwdriver torx the disconnection A until the correct amount of thread is obtained e r 104 72 47 20 4 42 Dismantling and mounting 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 104 72 47 20 Dismantling and mounting Transformer Dismounting 1 Dismount upper rear cover 2 Loosen the two screws A of the transformer from below in the base plate 3 Push the transformer to the right so that the mains switch part is exposed from the base plate and lift it upwards 4 Unhook 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 shall be approx 5 Volt compute
34. oot sensor 2 Check of pressarfoot s second sensor Bobbin Sensor B Check of lower thread guard indicator Thread sensor LI Check of upper thread guard indicator Embr unit conn Check if embroidery unit is connected Sector forward 13 Sector reverse T Hoop sensor E Embroidery hoop sensor Indicates when sensor is on calibration mark Eobbin winding The bobbin winding sensor Bobbin w stop The bobbin winding sensor Indicates when bobbin is wounded Buttonhole sens EBB Button hole sensor check Clr Clr Used to erase everything programed Back Back io semiceomen i in the programmable memories ot the machine Upper thread tension Functions of the service menu 3 To facilitate the setting of the upper thread tension there is an electronic adjustment in the Service menu 3 Operation Get into the service program Touch Tension Menu row 2 The machine will enter Service Menu 3 Tension Norm Blue Is used for adjustment of the upper thread tension at normal sewing The value is normally set between 10 1 LL LLL LL and 10 The value on the display is changed gradually each time you touch the touch area Note There are limitations in the setting The value of the setting could be higher then 10 or lower then 10 Tension Embr Red Is used for adjustment of the upper thread tension at embroidery sewing The value is normally set between 10 and 10 The value on the display is changed gradually eac
35. owered by means of the thread tension buttons in the Set menu and remains until the machine is tumed off Designer 1 Servicemenu 3 Adjustment Tension 1 Get into the service program and select 2 To adjust the thread tension on normal sewing Norm use Im PS 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 there are limitations in the setting The value of the setting could be higher or lower then 10 or 10 The adjustment is automatically saved NOTE Before any adjustment is made remove any loose pieces of thread or fluff from the thread tension discs 104 72 47 26 37 Settings 25 U pper thread tension Embroidery position Check A correct take up should be obtained on at embroidery stitch e g embroidery stitch No 1 menu 4 on Disk 100 Designer 1 Sampler Comment The following embroidery threads shall be used Upper thread Thread thickness No 40 e g Sulky No 40 Lower thread Thread thickness No 70 e g Sulky bobbin 100 Adjustment Tension 1 Get into the service program and select Designer 1 Servicemenu 3 2 To adjust the tension on embroidery sewing Embr QoS 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 O0 zero e g 2 there are limitations in the setting The value of the setting could be high
36. r 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 LIN NOTE The Transformer is a switched mode type power supply and can operate between 100 240 volt and 50 60 Hz 104 72 47 26 43 Dismantling and mounting Circuit board Circuit diagram Dismounting 1 Dismount rear cover 2 Dismount front cover 3 Loosen the 3 screws A holding the circuit board and the cooling plates and lift out the board from the machine 4 Loosen the cables from the circuit board according to below iS ZS SS IE 1 Right push buttons assembely 12 Feeding step motor 2 Left push button assembely 13 Touch foil key board 3 Floppy disk drive 14 Embroidery Unit 4 LC Display 15 Conecting 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 Note the position Note 1 The contacts can be loosened by cautiously bending away the outer covering with a thin screwdriver 2 If the Main PC board is changed the memory always has to be updated with the latest v
37. r pre setting the step motor of the needle The step motor of the needle now takes its left calibration position Is used when setting the centre position of the needle The step motor of the needle is now in its centre position Is used for pre setting the stepmotor of the needle The step motor of the needle now takes its right calibration position Is used when coarse adjusting the stitch length balance The feed dog should now stand still 0 feeding Is used when pre setting the feeding step motor The step motor now takes its calibration position SIDE H Tension Led Contr Touch Left position Right position Setting of the thread tension The machine will enter Service Menu 3 The contrast of screen The contrast of screen Calibration of the touch display Service Menu 1 Row 3 Servo sewing head Servo sewing head Embroidery Unit Embroidery Unit Sensors Service Menu 1 Row 4 Service Menu 1 Row 5 Service Menu 1 Row 6 On Time Sew Time Embr Time service Program Seryo _ 9 5Y Sensors Toucharea On Off Sewing heads Servo function ON and OFF Cal Servo takes its calibration position Cal Is used to check the sideways and lenghtwise movement of the embroidery unit Cent The embroidery hoop sensor arm takes its centre position Disp Display test A square pattern shall change between blue red and green After the check is done the machine will automatically
38. reverse order B B 104 72 47 26 13 14 Covers Parts of the front cover LCD Dismounting 1 Dismont the rear covers 2 Dismount the front cover 3 Remove the LCD frame from the front cover by dismouning the 4 screws A 4 Remove the LCD light cable E 9 Remove the ICD by dismounting the 4 screws C Mounting Mount in reverse order Note The black sealing should be on the the LCD Touch Panel Can be removed after dismounting the LCD frame IOo O B a A d Io A i f ef A 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 9 Remove the Floppy disk drive by dismount the 3 screws D 6 Remove the cable from the floppy disk drive Mounting Mount in reverse order NOTE When mounting the cable the contact area of the cable should be facing the floopy disk drive 104 72 47 20 SETTINGS 9 6 7 26 Ite Ua r gt E T EE NAH une LM 0 EE Hs eine frc 5 2 15 104 72 47 20 15 16 Settings 1 The play of the hook gear It is impossible to obtain an equally large play in one rotation of the cog wheel but it should be as small as possible at the tightest spot during the revolution Check 1 Rotate the hook back and forth and check the pla
39. rvice menu by rotating the hand wheel slowly 2 Check that cables to the circuit board are correctly inserted and not damaged 3 Iry a new lower thread sensor 4 Try a new circuit board The thread cutter is not working If the step motor is not working 1 Check that the button is working 2 Check that cables to the circuit board are correctly inserted and not damaged 3 Try a new circuit board 4 Try a new step motor If the step motor is working but it is not cutting the thread 1 Check that the thread cutter knife is positioned correctly 2 Make sure the pickup is moving correctly 3 Replace the knife The machine does not stop when the upper thread is finished or breaks Check the upper thread sensor in the service menu If OK 1 Check the setting of the thread take up spring and the thread tension 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 that the sensor arm is correctly assembled on the spring 2 Check the setting of the thread take up spring and the thread tension 3 Check the screens between the photo diode of the upper thread guard so th
40. ry a new LCD 4 Try a new main circuit board The floppy disk drive does not read or is not working at all 1 Reset the machine 2 Check with another floppy disk If the machine reads that one the first one was defective 3 Check that cables are correctly inserted Try new cables 4 If the machine does not read the second floppy disk try a new Floppy disk drive 5 If the machine still does not read from the floppy disk try a new circuit board The floppy disk drive is reading 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 Iry 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 button boards 3 Check that the guide boards are correctly assembled 4 Check that cables are correctly inserted and not damaged 9 Check the guide board for cracks in the lines and solders Try a new push button board 6 Try a new circuit board The ICD is not working at all or only partly Shows wrong information lines missing 1 Check that the cable connections between LCD and circuit board are correctly inserted and not damaged 2 Try a new circuit board 3 Try a new LCD The machine only runs at reduced speed If this o
41. shaft belt affects this adjustment 18 104 72 47 26 Settings 5 Setting the feeding unit sideways Check 1 The distance A and B shall 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 oh MUS o_o E eL L S ai i um I Det mie A k a R al 104 72 47 20 19 Settings 6 Basic setting the step motor of the needle Check 1 Insert a new needle 90 in the machine 2 Set the needle in its upper turning position 3 The needle should always get to the centre position when the main switch is turned on repeatedly Check Needle point Get into the service program of the machine The needle should be in its upper turning position Touch Needle Ca10 row 1 The needle should now take its centre position in the presser foot Touch Needle Lpos 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 the eccentric 104 72 47 26 settings Adjustment Get into the service program of the machine The needle should be in its highest position Touch Needle opos row 1 Loosen screw E in the cog w
42. sic setting 21 Pre setting the step motor of the feed dog 22 Stitch length balance 23 Lower thread tension thread tension of the bobbin case 24 Upper thread tension Normal position 25 Upper thread tension Embroidery position 26 Upper thread guard sensor 27 Setting the thread take up spring 24 Upper thread tension _ 28 Disconnection when winding the lower thread O00 10 01 CO P2 OTS 104 72 47 26 Dismantling and mounting Base Plate Transformer Circuit board Circuit diagram Stop right circuit board sewing head The step motor of the needle The step motor of the presserfoot lifter The thread tension compl The hook cover compl step motor house Parts of the hook cover compl Feeding unit Feed dog The side feeding mechanism c l The step motor of the side feeding mechanism The step motor of the feeding unit Hook compl Bobbin winding device Cover Y slide otep motor cover Embroidery Unit Cover upper part Cover lower part Locker switch Embroidery unit X unit Belt tension Calibration of the end position X unit Embroidery unit Y unit Belt tension Calibration of the end position Y unit Hoop holder The hoop sensor otep motor Y unit otep motor X unit Fault finding diagram 104 72 47 26 Directions for use These service instructions are intended to be used by service workshop personnel or by salesmen who carry out servicing their own districts T
43. tended position there should be a small play when pushing the ring B against the hand wheel 104 72 47 20 97 Embroidery Unit Cover Y slide Dismounting Cautiously 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 08 104 72 47 26 Embroidery Unit Cover upper part Dismounting Move the Y unit to its leftmost position Remove the 3 screw s A underneath the lower cover Push the cover in the direction of the arrow to unhook the guides B from the embroidery unit Mounting in reversed order NOTE Make sure that all guides B on the inside of the cover are correctly inserted B 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 from the machine Dismounting Remove the upper cover Push up the locker switch button and remove the micro switch 104 72 47 26 99 60 Embroidery Unit Embroidery unit X unit Belt tenson Check The belt should be a
44. w step motor 9 Try a new circuit board The machine sews straight stitching only backwards If this occurs during service 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 Iry 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 Check that all cables in the embroidery unit are correctly inserted and not damaged 3 Check the locker switch and cable 4 Try a new circuit board 9 Iry a new step motors The embroidery unit does not sew the pattern correctly 1 Check that there is no sluggishness or play in the embroidery unit 2 Check the belt tension of the embroidery unit 3 Check the calibration of the embroidery unit 4 Check so that the machine raises the presser foot to the correct height 9 Check the thread tension of the machine The machine does not recognise the 240x 150 or 100x100 embroidery hoops 1 Check the sensor for hoop in the service menu 2 2 Check the cable and its connections in the embroidery hoop 3 Try a new sensor 104 72 47 26 67
45. y 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 104 72 47 20 Settings 2 Setting the hook in relation to the feeding eccentric after feeding Check 1 The needle shall be in its centre position straight stitching 2 Set the needle in its 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 Yi Fig 1 Note The position of the pin shall be aligned with the frame opening 104 72 47 26 17 Settings 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
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