Singer 20G 105CEA Instruction Manual And Parts List
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Singer 20G 105CEA Instruction Manual And Parts List

Singer 20G 105CEA Instruction Manual And Parts List

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INSTRUCTION MANUAL
AND
PARTS LIST
105CEA / 105CEB
20G
125CEA / 125CEB
605CEA / 605CEB
ENG

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Summary of Contents for Singer 20G 105CEA

  • Page 1 INSTRUCTION MANUAL PARTS LIST 105CEA / 105CEB 125CEA / 125CEB 605CEA / 605CEB...

  • Page 2: Important Safety Instructions

    IMPORTANT SAFETY INSTRUCTIONS To get the most out of the many functions of this machine and operate it in safety, it is necessary to use this machine correctly. Please read this instruction Manual carefully before use. Whe hope you will enjoy the use of your machine for a long time.

  • Page 3: For Safe Operation

    FOR SAFE OPERATION (1) To avoid electrical shock hazards, neither open the cover of the electrical box for the motor nor touch the components mounted inside the electrical box. DANGER (1) To avoid personal injury, never operate the machine with any of the belt cover, Finger guard or safety devices removed.

  • Page 4: Specifications

    1. Specifications Stitch Height SINGER Speed Stitch Bight Length Needle Cat. Voltage Apprication Presser Model (rpm) (mm) (mm) Foot (mm) 220V 20G-105CEA 9.0 mm 2,500 20G-105CEB 110V Wide range of the 20G-125CEA 220V materials for light 2,000 6.35 / 9.0 1955-01 12.0 mm...
  • Page 5 3. Lubrication (Except 20G-506CEx) WARNING Turn OFF the power before starting the work so as to prevent accidents caused by unexpected start of the sewing machine. Remove the face plate and the top cpver. Apply sufficient oil to all oil felt and indicate with oiling points.

  • Page 6: Inserting The Needle

    4. Inserting the needle Use the SINGR Cat.No.1955-01 needle system (DPx5) only. Raise needle bar to its highest position by turning handwheel toward you. Loosen needle set screw 1 . Insert the needle in the needle bar and push it up as far as it will go. Make sure its long groove faces toward the front.

  • Page 7: Bobbin Thread Winding

    6. Bobbin thread winding Place bobbin on bobbin winder spring 3 and pushing it on as far as it will go. Adjust the pre-tension nut 1 as follows. ‘ ’ direction: Increase tension ‘ ’ direction: Decrease tension Push latch 2 in the direction indicate by arrow A to start the machine.

  • Page 8: Bobbin Thread Tension Adjustment

    8. Bobbin thread tension adjustment Turn the tension adjusting screw 1 clockwise (in di- ‘+’ rection of the marker ), the bobbin thread tension will increase. Turn the tensio adjusting screw 1 counterclockwise ‘-’ (in direction of the marker ), the bobbin thread ten- sion will decrease.

  • Page 9: Needle Thread Tension Adjustment

    10. Needle thread tension adjustment Adjusting the tensionof needle thread using tension adjusting nut , according to different sewing con- dition. a) Turn the nut 1 clockwise (in direction of the ‘+’ marker ), the tension will increase. b) Turn the nut 1 counterclockwise (in direction ‘-’...

  • Page 10: Stitch Length Adjustment

    13. Stitch length adjustment Adjusting the stitch length a) Turn stitch length dial 1 in the direction of the arrow, and align the desire number to marker dot A on the machine. b) The indication of the stitch length dial 1 is in millimeters..
  • Page 11 16. Zigzag stitch width control The two thumb screws 1 and 2 provided on front of the arm allow you to control the width of zigzag stitches. a) Thumb screw 1 Using to control the wide zigzag b) Thumb screw 2 Using to control the narrow zigzag To obtain minimum to maximum zigzag width (20G-105CEx / 605CEx: 9.0 mm or 20G-125CEx: 12.0 mm)

  • Page 12: Needle To Rotating Hook Relation Adjustment

    18. Needle to rotating hook relation adjustment 18.1 The needle bar height adjustment Remove the face plate. Set the needle position selector on‘center’and stitch width regulator for max zigzag width. 0.5mm Turn the handwheel until the needle is in the lower left positions.
  • Page 13 19. Straight and Zigzag stitch fitting Zigzag stitch presser foot 1, the needle plate 2 and feed 606652(20G-105CE / 605CE) 606402(20G-125CE) dog 3 are use for straight and zigzag stitching 606688(20G-105CE / 605CE) 606502(20G-125CE) 606650(20G-105CE / 605CE) 606651(20G-125CE) Straight stitch presser foot 1, the needle plate 2 and feed dog 3 are used for straight stitching only.
  • Page 14 Knee operating presser foot lift a) Bell clamks 1 is fastened to the underside of the bed, the bell crank 1 is used for lifting and lowering the presser foot by knee. b) To raise or lower the presser foot by the knee, loosen screw 4 holding the knee lifter shaft arm 3 and move the knee lifter sgaft arm 3 just under the bell crank 1 and firmly tighten screw 4.
  • Page 15 Knee operating stitch width control a) Bell clamks 2 is fastened to the underside of the bed, the bell crank 2 is used for controlling the stitch width with knee. b)Loosen screw 4 holding the knee lifter shaft arm 3 and move the knee lifter shaft arm 3 just un- der the bell crank 2 and firmly tighten screw 4.
  • Page 16 21. Oil reservoir installation (20G-605CE) Two rubber seats 1 and two rubber corners 2 for supporting the head portion should be fixed on the extended portion of the table by using nails, and the other two rubber cushion 3 on the hinge side should be fixed on grooves by using nails too.
  • Page 17 23. Machine head oil amount adjustment (20G-605CE) When adjusting the oil amount of the machine head, take a rubber cap 2. While the groove A of oil adjusting screw 1 is shown the position, the oil amount is maximum. To decrease the oil amount, the adjusting screw 1 will be turn around 90°.

  • Page 18: Thread Anti-Spill Net Usage

    25. Spool cap usage When using a reel type thread pool 2, fit the spool cap 1 onto the tread spool hole 3, which is supplied by the machine accessory. Set the height of thread spool holder 4 so there is appro- ximately 2.0 mm clearance between top end of spool pin 5, and the tip of the slotted spigot of the spool cap 1.
  • Page 19 29. Table cut-out drawing For 20G-105CEx / -125CEx...
  • Page 20 For 20G-605CEx...
  • Page 21 Memo...

  • Page 22: Parts List

    Parts List...
  • Page 23 1. Machine Frame and Miscellaneous Cover Components...
  • Page 24 1. Machine Frame and Miscellaneous Cover Components Parts No. Descrip�on 105CE 125CE 605CE U43T1-10 Thread take-up lever guard U43T1-11 Thread take-up lever guard screw U43T1-2-1 Face plate U43T1-2-3 Thread guide U43T1-2-2 Thread guid screw U43T1-3 Screw U43T1-34 Back cover U43T1-35 Screw U43T1-24 Arm top cover...

  • Page 25: Thread Take-Up, Arm Shaft And Hand Wheel Components

    2. Thread Take-up, Arm Shaft and Hand Wheel Components...
  • Page 26 2. Thread Take-up, Arm Shaft and Hand Wheel Components Parts No. Descrip�on 105CE 125CE 605CE U43T2-20-7 Thread take-up lever link hinge pin set screw U43T2-20-6 Thread take-up lever link hinge pin set U43T2-20-11 Thread take-up lever U43T2-20-5 Thread take-up lever link U43T2-20-1 Needle bar connec�ng link cap screw U43T2-20-3...

  • Page 27: Feed Mechanism Components

    3. Feed Mechanism Components 10 9...
  • Page 28 3. Feed Mechanism Components Parts No. Descrip�on 105CE 125CE 605CE U43T3-2 Feed li�ing rock sha� crank connec�ng rod GS142-8 Feed li�ing rock sha� crank connec�ng rod cap screw U43T3-1 Feed li�ing rock sha� crank connec�ng rod cap felt U43T3-6 Feed li�ing rock sha� crank connec�ng rod hinge screw U43T3-4 Feed li�ing rock sha�...
  • Page 29 4. Arm Shaft (Upright) and Rotating Hook Drive Shaft Components 20G-125CEx 20G-105CEx / 605CEx...

  • Page 30: Arm Shaft (Upright) And Rotating Hook Drive Shaft Components

    4. Arm Shaft (Upright) and Rotating Hook Drive Shaft Components Parts No. Descrip�on 105CE 125CE 605CE GR1444/3-8 Arm sha� (upright) bevel gear (upper) assembly GS199-8 Arm sha� (upright) bevel gear (upper) set screw GO228-8 Arm sha� (upright) bevel gear (upper) GZ224-8 Arm sha�...
  • Page 31 5. Needle Bar,Presser Bar and Throat Plate Components 105CEx 125CEx /605CEx...
  • Page 32 5. Needle Bar,Presser Bar and Throat Plate Components Parts No. Descrip�on 105CE 125CE 605CE GZ223-8 Needle bar U43T2-8 Needle bar U43T2-11 Needle set screw U43T2-3 Needle bar frame U43T2-5 Needle bar �ming indicator plate U43T2-6 Needle bar �ming indicator plate screw U43T2-4 Zigzag s�tch regulator fork eccentric connec�ng pin set screw U43T2-2...
  • Page 33 6. Zigzag Triangler Cam and Hook Advancing Crank Components...
  • Page 34 6. Zigzag Triangler Cam and Hook Advancing Crank Components Parts No. Descrip�on 105CE 125CE 605CE U43T5-3 Zigzag triangle cam sha� set screw U43T5-2 Zigzag triangle cam sha� U43T5-4 Zigzag triangle cam gear U43T5-6 Zigzag triangle cam connec�ng screw U43T5-5 Zigzag triangle eccentric cam retainer ring U43T5-7 Zigzag triangle eccentric cam U43T5-8...
  • Page 35 7. Bight Amplitude and Bight L-C-R Position Components...
  • Page 36 7. Bight Amplitude and Bight L-C-R Position Components Parts No. Descrip�on 105CE 125CE 605CE U43T5-37 Stop plate screw U43T5-36 Stop plate washer U43T5-34 Stop plate (le�) U43T5-35 Stop plate (right) U43T5-22 Lever arm regula�ng screw nut U43T5-21 Lever arm regula�ng screw U43T5-40 Regula�ng plate set screw U43T5-43...
  • Page 37 8. Rotating Hook and Bobbin Case Components...
  • Page 38 8. Rotating Hook and Bobbin Case Components Parts No. Descrip�on 105CE 125CE 605CE U43T4-8 Hook sha� collar U43T4-9 Hook sha� collar set screw U43T4-11 Hook sha� bushing (short) sert screw U43T4-10 Hook sha� bushing (short) U43T4-14 Hook sha� bevel gear U43T4-13 Hook sha�...

  • Page 39: Feed Regulating Dial And Feed Reverse Lever Components

    9. Feed Regulating Dial and Feed Reverse Lever Components...
  • Page 40 9. Feed Regulating Dial and Feed Reverse Lever Components Parts No. Descrip�on 105CE 125CE 605CE U43T7-18 Spring U43T7-17 Stud lock pin U43T7-1 Feed regula�ng stud U43T7-16 Feed regula�ng dial U43T7-21 Feed regula�ng dial screw washer U43T7-14 Feed regula�ng dial screw U43T7-2 Hinge stud U43T7-4...

  • Page 41: Presser Bar Lifter And Thread Tension Components

    10. Presser Bar Lifter and Thread Tension Components...
  • Page 42 10. Presser Bar Lifter and Thread Tension Components Part No. Description 105CE 125CE 605CE Presser bar lifter GR619-8 GT160-8 Presser bar lifter cam stud Presser bar lifter screw GR621-8 Tension release lever GK192-8 Tension release lever spring GW135-9 Tension release lever screw GS148-8 GS379-8 Thread retainer...
  • Page 43 11. Specfic Parts for 20G-605CEx (1)
  • Page 44 11. Specfic Parts for 20G-605CEx (1) Parts No. Descrip�on 105CE 125CE 605CE GS680-8 Arm top top cover screw GK187-8 Arm top top cover assembly GK188-8 Arm top top cover gasket packing GK160-8 Arm side cover GK190-8 Arm side cover gasket packing GR1386-8 Oil gauge window GR978-8...
  • Page 45 12. Specfic Parts for 20G-605CEx (2)
  • Page 46 12. Specfic Parts for 20G-605CEx (2) Parts No. Descrip�on 105CE 125CE 605CE 426-11-05 Knee presser li� rod (long) 426-11-04 Knee presser li� rod (long) GR686-8 Oil reservoir drain gasket 454036-819 Oil reservoir drain plug screw 54754 Oil reservoir drain plug screw gasket 368377 Machine head cushion GR687-8...
  • Page 47 13. Accessories and Attachment 19 21...
  • Page 48 13. Accessories and Attachment Parts No. Descrip�on 105CE 125CE 605CE 606690 Accessory bag 1955-01 Needle size #14 (3 pcs) U43T4-4 Bobbin GR788-8 Screw driver for throte plate FC117-8 Oiler GM172-8 Presser foot for bo�on holing GM108-8 Presser foot for hem GM107/4-8 Presser foot for straight s�tch GM106-8...
  • Page 49 4710613-26D • © 2024 The Singer Company Limited S.à r.l. or its Affiliates. • All rights reserved P/N 364400-001 Rev1: 03.2024...

This manual is also suitable for:

20g 105ceb20g 125cea20g 125ceb20g 605cea20g 605ceb

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