Singer CONFIDENCE 7463 Скачать руководство пользователя страница 9 | Manualshive

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Singer CONFIDENCE 7463 Скачать руководство пользователя страница 9

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Disassembling of covers for model 7422

An additional bottom cover is provided on model 7422.

Remove screws S for front cover and then 5 screws on the bottom cover.

Disassembling of covers for model 7424

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7426

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7428 *7436

An additional bottom cover is provided on model 7424, 7426 ,*7436 and 7428.

Remove screws S for front cover and then 6 screws on the bottom cover.

Bottom cover

S

Bottom cover

S

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Содержание CONFIDENCE 7463

Страница 1: ...Service Manual 7463 7465 7467 7469 Confidence 104 72 89 26 16 Oct 2007...

Страница 2: ...titching 18 Sec 8 Clearance between needle and shuttle 19 20 Sec 9 Needle timing to feed dog 21 Sec 10 Needle timing to shuttle hook 22 Sec 11 Needle stopper at right position 23 Sec 12 Adjustment of...

Страница 3: ...3 Sec 19 Electrical parts area AC power board 45 CPU board 46 48 Switch board 49 53 Wiring harness 54 56...

Страница 4: ...4 Sec 1 Disassembling of covers 1 Face cover side Remove screw A Remove screw 2 Back cover side Remove two self tapping screws A B D E...

Страница 5: ...5 Remove two screws F G Remove screw H Loosen screw J with washer Remove screw K on bottom side F G H J K...

Страница 6: ...6 Remove screw L on bottom side Remove needle plate by loosening two screws Push up front cove to open inserting Small screw driver between front and back covers Open back and front covers L...

Страница 7: ...7 Pull out front cover Open mating portion of front and back covers using small screw driver Push back cover by small screw driver Force front cover open by small screw driver 40mm...

Страница 8: ...8 Lift up front cover as illustrated Lift up front cover as illustrated Lower presser foot lever to remove back cover easily...

Страница 9: ...Remove screws S for front cover and then 5 screws on the bottom cover Disassembling of covers for model 7424 7426 7428 7436 An additional bottom cover is provided on model 7424 7426 7436 and 7428 Remo...

Страница 10: ...o the right 2 Push and hold reverse switch in place 3 Turn on power switch 4 Release bobbin winder while pushing reverse switch just after power switch is turned on 5 LED is lit at the top left corner...

Страница 11: ...11 Note Above operation is to be done in the following manner Steps 1 to 3 Steps 4 to 5 Release bobbin winder by the time when LED is lit at extreme right line...

Страница 12: ...achine is under test mode and pattern LED will be lit at extreme left position In case of other models push pattern switch at second position from left and the switch will be lit Needle moves at cente...

Страница 13: ...dog to its highest position by turning hand wheel Check to see if feed dog height is as illustrated below Adjustment 1 Remove needle plate Loosen nut with wrench 2 Adjust height by turning screw as i...

Страница 14: ...nce from needle point to the surface of needle plate is as illustrated below Adjustment 1 Remove face cover 2 Loosen screw A of needle bar clamp using hex screw driver and adjust the height of needle...

Страница 15: ...le Adjustment 1 Remove face cover 2 Turning hand wheel by hand bring needle bar to its highest position 3 Loosen of threader stopper screw B 4 Insert hook into the upper side of needle hole moving the...

Страница 16: ...shorter needle hole 7 If the direction of insert hook is deviated from right position Adjust the hook position with the attached small screw driver 8 Recheck that the needle threader works correctly A...

Страница 17: ...f clearance between the needle plate and the presser foot is about 5 6mm Adjustment 1 Remove the face cover and Raise the presser foot lever 2 Loosen the screw A and adjust the presser foot height mov...

Страница 18: ...ng 1 Set test mode at 1 2 Turn hand wheel by hand and see if needle leaves the same clearance at both right and left end of needle plate hole Adjustment 1 Loosen hex screw A and adjust needle position...

Страница 19: ...hook at the rear of needle by turning hand wheel Check to see if needle clearance to shuttle is within 0 05 to 0 15 mm Adjustment 1 Turn screw to either direction as illustrated and adjust needle pos...

Страница 20: ...right and left position is not same adjust position of fulcrum for needle swing support Loosen bolt located under bottom of support plate and adjust position of fulcrum 3 After adjustment tighten the...

Страница 21: ...g hand wheel towards you Adjustment 1 Adjust the angle of timing gear to lower shaft with 2 screws on timing gear loosened and hex driver inserted into one of the screws by turning main shaft with han...

Страница 22: ...check if distance is as illustrated below when point of shuttle hook aligns with right side of needle Adjustment 1 Remove front cover Loosen two screws on gear and adjust position of gear as illustra...

Страница 23: ...ce cover 2 Bring needle to right position 3 With needle bar touched with stopper at right side check to see if needle collides with presser foot and needle plate It is acceptable if needle goes down a...

Страница 24: ...vailable do actual sewing and check balance of upper and lower threads Adjustment 1 Remove front cover and adjust by turning spring pressure adjustment screw Turn it clockwise to increase tension Turn...

Страница 25: ...with center of gear a 2 Disassembling and re assembling If meshing position of two gears is not correct remove zigzag cam b from shaft and insert it into correct position 2 Origin point positioning o...

Страница 26: ...arily on gear a and rotate gear a clockwise until it touches with limiter and tighten two screws securely Stitch balance If forward and reverse pitch is not balanced due to imperfect zero feed adjustm...

Страница 27: ...odels Fine adjustment is needed for all patterns including buttonholes on models with many stitch patterns except model 7422 7442 and 7462 Fine adjustment mechanism is provided for this purpose in add...

Страница 28: ...Stitch pitch of 0 25 mm is half amount of above so that step motor is held at non exciting position which is midway between exciting positions 1 Turn off power switch 2 Loosen one of two screws on mo...

Страница 29: ...is section B Stitch length Full step version Full step version of stitch length mechanism Step motor rotates 7 5 degrees with one pulse as in the half step version but ratio of motor gear vs feed regu...

Страница 30: ...power switch 8 Activate the origin point positioning of feed motor by turning hand wheel manually 9 Adjust by moving motor gear in either direction with 1 5 mm hex driver running machine with a little...

Страница 31: ...n feed balance for each pattern Use fine adjustment mechanism if available 6 Tighten screws on motor gear securely after adjustment NOTE Check which is the machine serviced half step or full step vers...

Страница 32: ...centers of feed regulator and motor gear and concave hole may be positioned in alignment B Full step version Rotate motor gear clockwise to touch it with stopper pin and mesh these gears so that feed...

Страница 33: ...e and 3 75 7 5 divided by 2 degrees resulting in the gear B rotated at 1 5 3 75 divided by 2 5 degree There are 48 step exciting positions segments with 7 5 degree rotation per 1 step on the pulse mot...

Страница 34: ...nd motor gear A is rotated at 75 20 multiplied by 3 75 degrees Motor gear B is rotated at 30 20 multiplied by 3 75 divided by 2 5 degrees Maximum possible backward feed amount is generated at the posi...

Страница 35: ...er 1 pulse resulting in the gear B rotated at 1 5 7 5 divided by 5 degree There are 48 step exciting positions segments with 7 5 degree rotation per 1 step on the pulse motor Therefore 7 5 degree rota...

Страница 36: ...gin point and motor gear A is rotated at 150 20 multiplied by 7 5 degrees Motor gear is rotated at 30 20 multiplied by 7 5 divided by 5 degrees Maximum possible backward feed amount is generated at th...

Страница 37: ...r 1 pulse and 3 75 degrees 7 5 divided by 2 resulting in the gear B rotated at 3 75 degrees There are 48 step exciting positions segments with 7 5 degree rotation per 1 pulse on the pulse motor Theref...

Страница 38: ...eedle at center position is the position with 14 pulses shifted from the extreme right position resulting in the gear B and gear A rotated at 52 5 3 75 multiplied by 14 degrees This position is the po...

Страница 39: ...to the right 3 Check to see if screw A of two screws A B on collar fixing sensor cam is located on top Screw B on concave portion of collar faces to the front Adjustment 1 Raise needle to its highest...

Страница 40: ...plate spring with inside of wall A of shuttle race as illustrated below and tighten the fixing screw temporarily 2 Insert the bobbin case into position and adjust the position of retaining bracket so...

Страница 41: ...on stopper so that there may be a clearance of 1 to 1 5 mm between the projection and plate spring while turning the bobbin case back and forth Tighten the fixing screw securely 4 Place the bobbin cov...

Страница 42: ...move the front cover 2 Loosen two nuts A and adjust belt tension so that belt maybe bent about 5 mm when it is pushed by pressure of 100g between upper shaft and motor 3 Tighten the two nuts after che...

Страница 43: ...ension Adjustment 1 Remove face cover 2 Loosen the screw A on idler pulley bracket 3 Tighten the screw A after checking the belt tension Note Be sure to recheck Needle Timing to shuttle after adjustme...

Страница 44: ...44 Sec 18 Bobbin holder thread tension Do not adjust the screw as it is set in the factory Standard tension 16g 1 Added November 2006...

Страница 45: ...C Power Board Component number is 87530 for 120V spec and 87553 for 230V spec Be sure to check number printed on board 5P Connector cord Connect with CPU Transformer Primary LED lamp harness Transform...

Страница 46: ...y 2006 Motor for needle swing Motor for material feeding 5P connector cable Connected with AC Cam sensor harness Bobbin winding switch Buttonhole stitch SW Reverse stitch SW Serial port Only for facto...

Страница 47: ...Motor for needle zigzag Motor for material feeding 5P connector cable Connect with AC board Cam sensor harness Bobbin winding switch Buttonhole stitch SW Reverse stitch SW Serial port Only for factory...

Страница 48: ...06 Motor for needle zigzag Motor for material feeding 5P connector cable Connect with AC board Cam sensor harness Bobbin winding switch Buttonhole stitch SW Reverse stitch SW Serial port Only for fact...

Страница 49: ...49 Switch Board 1 for model 7422 7442 and 7462 Component number is 87526 Check number printed on board 4P Connector Connect with CPU 13P Connector Connect with CPU...

Страница 50: ...7466 is 87547 for 7444 and 7464 is 87533 87533 is the one where jumper wire is cut on 87547 Component number printed on board is 87547 on both boards 13P Connector Connect with CPU 4P Connector Conne...

Страница 51: ...for 7424 is 87562 87562 is the one where jumper wire is cut on 87563 Component number printed on board is 87563 on both boards 63 13P Connector Connect with CPU 4P Connector Connect with CPU 4P Connec...

Страница 52: ...er is 87564 for 7428 87578 for 7436 Be sure to check number printed on board Revised January 2006 13P Connector Connect with CPU 4P Connector Connect with CPU 4P Connector Connect with CPU Twin needle...

Страница 53: ...d 7468 Component number is 87548 Be sure to check number printed on board 13P Connector Connect with CPU 4P Connector Connect with CPU 4P Connector Connect with CPU 12 Switches Twin needle Select SW N...

Страница 54: ...54 Wiring diagram...

Страница 55: ...55 7436...

Страница 56: ...56...

Страница 57: ...21 1 11 Washer 2 32949 1 12 Vinyl tube 7mm long 87266 1 13 M3 phillips screw 87256 2 NO Name Part no Switch 87516 1 Switch cover 77527 1 M3 screw 63796 1 Washer 63085 1 NO Name Part no 14 M3 CP screw...

Страница 58: ...ew 87256 2 14 Support bracket 87146 1 15 Tension spring 87188 1 NO Name Switch 87516 1 Switch cover 77527 1 M3 screw 63796 1 Washer 63085 1 NO Name Part no 16 M3 CP screw 87262 1 17 Washer 31246 1 18...

Страница 59: ...ocket screw 80110 2 14 Support bracket 87146 1 15 Tension spring 87188 1 NO Name Part no Switch 87516 1 Switch cover 77527 1 M3 screw 63796 1 NO Name Part no 16 M3 CP screw 87262 1 17 Washer 31246 1 1...

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