Singer Studio S18 Service Manual Download Page 10 | Manualshive

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8

TO REPLACE CIRCUIT BOARD K

Setscrew

Setscrew

Setscrew

Connector of the

speed control lever

[To remove]
1. Remove the front cover (refer to

page 4).

2. Pull out the connector of the

speed control lever.

3. Remove the 8 setscrews.

[To attach]
Reverse the above procedure.

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Summary of Contents for Studio S18

Page 1: ...73 45 26 15 April 2014 S 18 2014 SVP Worldwide All Rights Reserved SINGER is the exclusive trademark of The Singer Company S r l or its A liates 2014 The Singer Company Limited S r l or its A liates...

Page 2: ...sm 2 20 To adjust needle thread tension 21 To adjust bobbin winder 22 To adjust needle threader plate 23 To remove auto thread cutter new type 24 To remove auto thread cutter old type 25 To adjust sli...

Page 3: ...To remove Remove the setscrew A to remove the face plate To attach Attach the face plate with the setscrews A Top cover To remove 1 Remove the setscrews B and C 2 Pull out the connector D of the bobbi...

Page 4: ...ELT COVER AND MACHINE BASE Belt cover To remove 1 Remove the setscrews A B and C 2 Remove the belt cover To attach 3 Insert the projections D E and F and tighten the setscrews A B and C Machine base T...

Page 5: ...A Auto thread cutter cover To remove Loosen the setscrew A and pull off the auto thread cutter cover To attach Replace the auto thread cutter cover and tighten the setscrew A TO REMOVE AUTO THREAD CU...

Page 6: ...top cover and belt cover refer to pages 1 and 2 2 Loosen the setscrews A B C and D 3 Pull out the connectors refer to page 10 and remove the front cover To attach 4 Proceed with the above procedure i...

Page 7: ...the face plate and top cover refer to page 1 2 Loosen the setscrews A and B Remove the cover D To attach Reverse the above procedure Take care when removing and attaching the cover as the right hand...

Page 8: ...cket E Setscrew C Thread guide D To remove Remove the face plate and tilt the lamp socket E to the left Remove the setscrews A B and C and re move the thread guide D To attach Reverse the above proced...

Page 9: ...the 4 setscrews A Remove the circuit board A together with the mounting bracket 3 Remove the 2 setscrews D 4 Remove the 2 setscrews B and 2 setscrews C 5 Remove the circuit board A and lid To attach...

Page 10: ...Setscrew Setscrew Setscrew Connector of the speed control lever To remove 1 Remove the front cover refer to page 4 2 Pull out the connector of the speed control lever 3 Remove the 8 setscrews To attac...

Page 11: ...or from the circuit board A refer to page 7 3 Remove the 3 setscrews A and 2 CS rings D To attach Reverse the above procedure Make sure that the buttons are placed in the correct places and direction...

Page 12: ...4 pins Buttonhole sensor black 3 pins Circuit board K black 32 pins Presser bar switch black 2 pins Motor for thread tension release red 7 pins Auto thread cutter switch red 2 pins Separation solenoid...

Page 13: ...l socket screw A 4 Attach the face plate Hole of needle plate 0 2mm or more 0 2mm or more A B Hexagonal socket screw A Threader lever TO ADJUST NEEDLE DROP POSITION When the straight stitch is selecte...

Page 14: ...ear C 7 Move the needle bar between 3 25mm and 3 55mm from the lowest position 8 Turn the lower shaft gear C until the tip of the hook meets the right side of the needle 9 Tighten the hexagonal socket...

Page 15: ...he needle bar height and tighten the hexagonal socket screw G Be careful not to turn the needle bar 9 Fix the arm thread guide and face plate guide 10 Attach the face plate Needle plate A Bobbin holde...

Page 16: ...o page 2 2 Turn the power switch on and select the stitch pattern Set the zigzag width at 7 3 Remove the presser foot needle plate and bobbin holder 4 Loosen the setscrews E and F Loosen the setscrew...

Page 17: ...rn the lower shaft bushing in direction B 5 Tighten the hexagonal socket screw D 6 Attach the needle needle plate and bobbin holder 7 Attach the machine base NOTE After adjusting the backlash be sure...

Page 18: ...hexagonal socket screw A Adjust the direction and height of the presser bar 3 Attach the face plate TO ADJUST DIRECTION OF PRESSER BAR AND ITS HEIGHT When the presser foot is lifted the distance betw...

Page 19: ...of the feed dog 4 Loosen the setscrew E 5 Loosen the nut F 6 Adjust the feed dog height to 0 80 mm to 0 90 mm by turning the adjusting screw G 7 Tighten the nut F and set screw E 8 Attach the bed cov...

Page 20: ...A B C and D on page 4 it is not necessary to remove the connectors 2 Remove the face plate 3 Remove the setscrews A and B Remove the thread guide cover C 4 Loosen the hexagonal socket screw D 5 Remove...

Page 21: ...ION RELEASE MECHANISM 1 When the presser bar lifter is lifted the opening between the tension discs D should be 0 8mm C 1 Remove the face plate and thread guide refer to pages 1 and 6 2 Loosen the set...

Page 22: ...at 9 3 Turn the tension release gear C counter clock wise until it stops 4 Check the opening It should be 0 8mm E If the opening is not wide enough loosen the setscrews A and B Tighten the setscrew B...

Page 23: ...he dial B To loosen the tension turn it counter clockwise To tighten the tension turn it clockwise 5 Push in the tension dial A aligning the 4 with the setting mark C TO ADJUST UPPER THREAD TENSION Th...

Page 24: ...Loosen the setscrew D and turn the stopper E in the direction of A if the amount of thread is not enough B if the amount of thread is too much 2 Tighten the setscrew D TO ADJUST BOBBIN WINDER The amo...

Page 25: ...hreader plate C If the threader plate is slightly out of alignment loosen the setscrew D and adjust the position as shown in Fig II If the above way of adjustment is not applicable make the adjustment...

Page 26: ...eedle plate Remove the two set screws A and the thread cutter unit 2 Remove the snap ring E 3 B to release the link 3 Remove the snap ring E 4 C and slide the link to disengage it from the actuator ar...

Page 27: ...ng arm 1 Tighten the 2 setscrews A then tighten the setscrew D To check the auto thread cutter Set the needle bar at the lowest position Insert the pin C into the groove of the cutter driving cam by p...

Page 28: ...D at the rightmost position 2 Loosen the setscrew C and turn the cam A to set the the left end of the sliding plate D is in line with the right side of the second feed dog from the right Tighten the...

Page 29: ...the needle plate 2 Turn the hand wheel toward you until the thread supply control lever comes to its lowest position Check the distance between the upper surface of the bobbin holder and the thread s...

Page 30: ...k C Setscrew B long Thread take up lever E SETTING POSITION OF THREAD TAKE UP LEVER Insert the needle bar crank into the take up crank C so that the flat part of the needle bar crank D faces the setsc...

Page 31: ...G While pushing the upper shaft declutch device in the direction of I tighten the setscrew F Then tighten the setscrew G Make sure that the declutch piece H moves smoothly TO ADJUST UPPER SHAFT DECLUT...

Page 32: ...am A X X view Y Belt wheel setting mark Belt wheel setting mark Spring pin D Spring pin D Pin SETTING POSITIONS OF PARTS ON LOWER SHAFT The setting positions of the parts on the lower shaft are as sho...

Page 33: ...wheel D Spring pin E SETTING POSITIONS OF UPPER AND LOWER SHAFTS When the setting mark A on the cam B is exactly at the top the spring pin E is vertically straight and the setting mark C on the belt...

Page 34: ...ector from the circuit board A 4 Remove the 2 setscrews A and pull out the driving motor To attach 5 Tighten the 2 setscrews A slightly 6 Adjust the belt tension and tighten the 2 setscrews A firmly C...

Page 35: ...chine will return to default setting mode 2 Turn the balance wheel toward you slowly with your hand until the needle comes 8 0 8 4mm above the surface of the needle plate in its upward travel The Bsen...

Page 36: ...until the display shows Sensor L 4 Attach the buttonhole foot R 5 Adjust the clearance of the buttonhole foot to 1 4 1 8mm D 6 Loosen the screw E until the display shows Sensor H 7 Tighten the screw E...

Page 37: ...e measurement is more than 38mm B If the measurement is less than 32mm When the button is pressed the adjusting screw F comes to the adjusting position Turn the adjusting screw then press button and s...

Page 38: ...in 3 seconds 2 Remove the face plate and top cover plate refer to page 1 3 When the presser bar is lifted or lowered the display A shows UP or DOWN respectively If not loosen the setscrew B and adjust...

Page 39: ...witch on Press the number 9 within 3 seconds 2 Remove the machine base and auto thread cutter cover refer to pages 2 and 3 3 Set the needle bar at the lowest position 4 Loosen the setscrew A and adjus...

Page 40: ...ws D Adjust the distance to 5mm 3 Tighten the 2 set screws D 4 Attach the belt cover TO ADJUST POSITION OF SOLENOID FOR UPPER SHAFT DECLUTCH DEVICE The distance between the upper surface of the yoke A...

Page 41: ...R AUTO THREAD CUTTER The distance between the yoke A and the snap ring on the plunger B should be 2 5mm 1 Remove the machine base refer to page 2 2 Loosen the 2 setscrews D and adjust the distance to...

Page 42: ...Loosen the 2 setscrews D and adjust the distance to 3mm C by moving the yoke A 3 Tighten the 2 setscrews D 4 Attach the machine base TO ADJUST POSITION OF SOLENOID FOR BOBBIN IDLING PREVENSION LEVER T...

Page 43: ...the belt cover 3 Shift the bobbin winder knob to the right 4 Slide the drop feed lever to the left to raisethe feed dog 5 Slide the speed adjusting lever to the left 6 Remove the presserfoot and rais...

Page 44: ...left UP Lever at the right DOWN Press the Clear button to proceed to the next step Faulty condition and remedy Buzzer does not sound The Step 1 screen does not appear LCD and LED do not blink Remedy a...

Page 45: ...cuit board A 4 Step 4 photo sensor Correct condition The display shows H or L Pull the buttonhole lever toward you H Release the buttonhole lever L Push the buttonhole lever to the back H Turn the han...

Page 46: ...en the memory button is pressed with the needle bar at Middle position the tension disc is closed tension stepping motor 3 When the memory button is pressed with the needle bar at DOWN position the fe...

Page 47: ...uns When the bobbin winding button is pressed the bobbin winding motor runs Step10 Spool Motor Sewing Motor 10 Step 10 Driving and Bobbin Winding Motors Faulty condition and remedy The display shows e...

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