Singer 20U-109 Instruction Manual
Singer 20U-109 Manual
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- Singer 20U-109 | Instruction Manual - Page 1
O SINGE IR._ Instruction Manual and Parts List Zigzag Sewing Machine 20U- 109 / 109C 112 / 112C 309 (E) Singer is a registered trademark of The Singer Company Limited or its affiliated companies. © 2009 Copyright The Singer Company Limited - Singer 20U-109 | Instruction Manual - Page 2
- Singer 20U-109 | Instruction Manual - Page 3
Device 3.21. Straight and Zigzag Stitch Fitting 3.22. Spool Cap Usage 3.23. Anti-Spill Sleeve Usage 3.24. Knee Lifter Installation 3.25. Fittings for Buttonhole Stitching 3.26. Fittings for Hem Sewing 3.27. Fittings for Zipper and Cord Sewing - 2 - Instruction Manual and Parts List - Singer 20U-109 | Instruction Manual - Page 4
Zigzag Sewing Machine 4. Maintenance 4.1. Machine Head Cleaning 4.2. Lubrication 4.3. Safety Inspection 5. Troubleshooting 6. Parts List 6.1. Face Plate, Arm Top Cover and Arm Side Cover Components 6.2. Thread Take-up, Arm Shaft and Handwheel Components 6.3. Needle Bar, Presser Bar and - Singer 20U-109 | Instruction Manual - Page 5
Zigzag Sewing Machine Instruction Manual and Parts List 1. Safety Instructions 1.1. Important Safety Instructions When using this machine, basic safety procedures must be followed. Read with attention all instruction before using the machine. When using the machine, understand all basic safety - Singer 20U-109 | Instruction Manual - Page 6
Zigzag Sewing Machine Instruction Manual and Parts List 1.2. Safe Operation • To avoid the risk of electric shock, do not open the motor wiring box and do not touch the components assembled inside the wiring box. • To avoid injuries do not run the machine without the belt cover or in case any - Singer 20U-109 | Instruction Manual - Page 7
Zigzag Sewing Machine 2. Product Description and Machine Specification 2.1. Product Description Zigzag Sewing Machine Instruction Manual and Parts List 414 SINGER•' rte VIP •,r I. V -6- - Singer 20U-109 | Instruction Manual - Page 8
Zigzag Sewing Machine Instruction Manual and Parts List 2.2. Machine Specification Table 1 - Machine Specification Singer model For sewing Stitch type 20U-109 / 109C 20U-112 / 112C Light to medium Plain zigzag (Straight stitch) 20U-309 3-step zigzag Max. speed' Max. stitch bight 2,500 rpm - Singer 20U-109 | Instruction Manual - Page 9
Zigzag Sewing Machine Instruction Manual and Parts List 2.3. Motor, Motor Pulley and V-Belt Specifications • HP (400W) 4-pole (medium speed) clutch motor • M type v-belt 20U-109 / 109C 2,500 2,000 1,800 1,500 Table 2 - Machine Speed vs. Motor Pulley Diameter Machine Speed [sprnj 20U-112 ; - Singer 20U-109 | Instruction Manual - Page 10
Zigzag Sewing Machine 3. Setup and Adjustment Instructions 3.1. Table Cut-Out Drawing Instruction Manual and Parts List E 50C - e- srs L N j us =If ..! 7e. 934jx.;'-' , 10e IOC J Figu -^ 1 - 9 - - Singer 20U-109 | Instruction Manual - Page 11
Zigzag Sewing Machine 3.2. Oil Reservoir Installation The oil pan should be fixed on the side of the machine table groove by using four nails (Figure 2). Two rubber seats and two rubber corners for supporting the head portion should be fixed on the extended portion of the table by using nails, and - Singer 20U-109 | Instruction Manual - Page 12
Zigzag Sewing Machine 3.3. Belt Cover Installation Instruction Manual and Parts machine. • Set sewing head upright again using both hands. • Danger of crushing between sewing head and table top. • For your safety, do not run the machine without the belt cover. 3.4. Lubrication '406' Rotating hook - Singer 20U-109 | Instruction Manual - Page 13
Zigzag Sewing Machine Loosen and remove screws and remove face plate by cover saturated with oil. Instruction Manual and Parts List 0 • 0 O O • Figure 7 Caution: • Switch off the machine. • Set sewing head upright again using both hands. • Danger of crushing between sewing head and table top. - Singer 20U-109 | Instruction Manual - Page 14
Zigzag Sewing Machine Instruction Manual and Parts List 3.5. Needle and Thread Selection of the proper needle depends not only on the machine model, but also on the material and thread used. For selection of proper needle and thread sizes to be used on the various machine models please refer to - Singer 20U-109 | Instruction Manual - Page 15
Zigzag Sewing Machine 3.7. Bobbin Case Removal Instruction Manual and Parts List Open bed slide. Raise latch '1' (see Figure 9). Lift out bobbin case '2' (see Figure 9). Caution: • Switch off the machine. • Do not operate the machine with throat plate left open. 3.8. Bobbin Winding Stop motion of - Singer 20U-109 | Instruction Manual - Page 16
Zigzag Sewing Machine Instruction Manual and Parts List Place bobbin on bobbin winder spindle '3'. Figure 11, pushing it on as far as it will go. Pre tension '1' (see Figure 11) '+' More tension '-' Less tension Push latch '2' in the direction indicated by arrow 'A', then start the machine (see - Singer 20U-109 | Instruction Manual - Page 17
Sewing Machine Instruction Manual and Parts List Figure 13 Draw thread out from slot '2' on end of spring '1', (Figure 14) and pass it through bobbin case thread guide '1', Figure 15. Allow about 4 inches of thread to hang freely from bobbin. Figure 14 Figure 15 Note: • When straight stitching - Singer 20U-109 | Instruction Manual - Page 18
Zigzag Sewing Machine Instruction Manual and Parts List 3.10. Bobbin Case Replacement Hold bobbin case by latch '1' and place it on spindle of bobbin case holder '2' so that position finger '3' enters notch '4' at right of bobbin case holder (see Figure 17) Release latch and press bobbin case - Singer 20U-109 | Instruction Manual - Page 19
Zigzag Sewing Machine 3.11. Machine Threading Instruction Manual and Parts List 6 i / a co i -# ( G Figure 17 Lead thread from the thread unwinder through all the threading points in the order shown in Figure 17 Thread the needle from front to back, as show in Figure 17 Draw about 3 inches of - Singer 20U-109 | Instruction Manual - Page 20
Zigzag Sewing Machine 3.12. Stitch Length Adjustment Instruction Manual and Parts List Regulating the stitch length: To regulate the stitch length, turn feed regulating dial '1' Figure 18, toward left or right as required. to lengthen '-' to shorten Changing to reverse feed: Push lever '2 Figure - Singer 20U-109 | Instruction Manual - Page 21
Zigzag Sewing Machine 3.14. Needle Thread Tension Adjustment Instruction Manual and Parts List Regulate needle thread tension with tension regulating knob '1', Figure 20. • more tension '-' less tension 3.15. Take-up Spring Regulation Using Bobbin Thread Tension Adjustment Regulate bobbin thread - Singer 20U-109 | Instruction Manual - Page 22
for placement of both straight and zigzag stitching (see Figure23). To position, push lever in and move to desired salting. Do not make any needle position adjustment while the needle is in the fabric. Caution: • Switch off the machine. Instruction Manual and Parts List cCO -7 CIA _Ili - Singer 20U-109 | Instruction Manual - Page 23
Zigzag Sewing Machine 3.18. Stitch Width Regulator The width of zigzag stitch is controlled with the spring biased stitch width regulating lever '1', Figure 24. Maximum zigzag width: 20U-109 / 109C / 309: 9.0 mm 20U-112 / 112C: 12.0 mm Do not make any needle position adjustment while the needle is - Singer 20U-109 | Instruction Manual - Page 24
Zigzag Sewing Machine 3.20. Needle Bar Frame Clamp Device Instruction Manual and Parts List When straight stitching, a better sewing result can be obtained by locking the needle bar frame immovable with the cramping device (see Figure 26). 'A' Clamp 'B' Release Caution: • Switch off the machine. - Singer 20U-109 | Instruction Manual - Page 25
27, are used for straight and zigzag stitching. Straight Stitch Presser Foot '1', Throat Plate '2' and Feed Dog '3' as shown in Figure 28, are used for straight stitching only. Instruction Manual and Parts List 604537 .201,1CA.I C.C•X4I, oc.•o u.i12.112C: 2 I O... I 201,109•101PC•109. 6,064, 12 - Singer 20U-109 | Instruction Manual - Page 26
Zigzag Sewing Machine 3.22_ Spool Cap Usage Instruction Manual and Parts List When using a reel type thread spool, fit the spool cap '1' supplied with the machine onto the thread spool the spool pin may result in breaking the slotted spigot of the spool cap (see Figure 31). Sig 5 Figure 31 - 25 - Singer 20U-109 | Instruction Manual - Page 27
Zigzag Sewing Machine 3.23. Anti-Spill Sleeve Usage When using synthetic threads that easily spill off the cone '1', slip the anti-pill sleeve '2' furnished with the machine over the thread from the bottom of cone '1' leaving the thread end to hang free at the top of antispill sleeve '2' as shown in - Singer 20U-109 | Instruction Manual - Page 28
Zigzag Sewing Machine Knee operating presser foot lift Bell cranks '1' and '2' shown in Figure 34 are fastened to the underside of the bed bell crank '1' is used for lifting and lowering the presser loot with knee, and bell crank '2' is used for controlling the stitch width . To raise or lower the - Singer 20U-109 | Instruction Manual - Page 29
Zigzag Sewing Machine Knee operating stitch width control: Bell cranks '1' and '2' shown in Figure 35 are fastened to the underside of the bed, Bell crank '1' is used for lifting and lowering the presser foot with knee and bell crank '2' is used for controlling the stitch width. To control the - Singer 20U-109 | Instruction Manual - Page 30
Zigzag Sewing Machine Instruction Manual and Parts List 3.25. Fittings for Buttonhole Stitching .06652 e201J-109:105.C.305) 606.02 1201L 112:112C, 2 Buttonhole Foot '1', General Purpose Throat Plate '2' and Feed Dog '3' as shown in Figure 36 are used for buttonhole stitching. 1 6066.2 ,20U-109. - Singer 20U-109 | Instruction Manual - Page 31
Zigzag Sewing Machine 3.27. Fittings for Zipper and Cord Sewing Instruction Manual and Parts List Zipper Foot '1', General Purpose '2' or Straight Stitch '3' Throat Plate and General Purpose '4' or Straight Stitch '5' Feed Dog as shown in Figure 38 are used for zipper and cord sewing. 2 i2OLI•100 - Singer 20U-109 | Instruction Manual - Page 32
Zigzag Sewing Machine Instruction Manual and Parts List 4. Maintenance 4.1. Machine Head Cleaning Clean the machine periodically with a soft and dry cloth to remove the excess of dust on the machine head. Do not use any kind of lacquer thinner to wipe the surface. 4.2. Lubrication If the - Singer 20U-109 | Instruction Manual - Page 33
Zigzag Sewing Machine Instruction Manual and Parts List 5. Troubleshooting Whenever sewing difficulty is encountered, check and make adjustments as follows. Problem Possible Causes Possible Solutions 1. Is machine properly threaded? 1. Correct needle threading Needle thread breaks 2. Are - Singer 20U-109 | Instruction Manual - Page 34
Zigzag Sewing Machine 6. Parts List 6.1. Face Plate, Arm Top Cover and Arm Side Cover Components Instruction Manual and Parts List 31 4z)5-41. 38 A 25 3c243 ) 36 35 34 33 37 31 \I a 41 9 19 20 22 - Singer 20U-109 | Instruction Manual - Page 35
Bobbin Winder Tension Disc Tension Nut Tension Nut Screw Arm Top Cover Screw Eccentric Lock Eccentric Lock Eccentric Screw Stopper pin Stopper Spring Stopper Screw Stitch-staff shield r',..iii mhly Panel thread hook Panel screw Volume adjusting plate assembly - 34 - Instruction Manual and Parts - Singer 20U-109 | Instruction Manual - Page 36
Zigzag Sewing Machine 6.2. Thread Take-up, Arm Shaft and Handwheel Components Instruction Manual and Parts List 15 2 14 w 13 .1 7 8 10 12 9 CI1ES1Z!--1:1R1 24 18 20 ("4 20 0*, 29 21 .\12733 35 23 a 4 44 19 26 16 17 42 39 40 38 - 35 - - Singer 20U-109 | Instruction Manual - Page 37
Zigzag Sewing Machine No. Part No. 1 606640 2 606475 3 606474 4 606641 Pin Screw Hinge Pin Pin Washer Take-up Crank Hinge Stud Set Screw Guide Screw Arm Shaft and N/B Crank Assembly Arm Shaft Arm Shaft N/B. Collar screw Instruction Manual and Parts List Quantity 109 109C 112 112C 309 - Singer 20U-109 | Instruction Manual - Page 38
Zigzag Sewing Machine 6.3. Needle Bar, Presser Bar and Throat Plate Components Instruction Manual and Parts List 29 30 32 i1 14 ,5 13 16 22 21 18 19 N Cet ) 20 25 23 2 1 3 3 ef - 11 r 12 9 4 10 5 0- a -37- - Singer 20U-109 | Instruction Manual - Page 39
Zigzag Sewing Machine No. Part Foot Assembly Presser Foot Screw Needle Plate Needle Plate Needle Plate Screw Bed Plate Assembly Bed Plate Bed Plate Spring Bed Plate Screw Slide Plate Assembly Slide Plate Slide Plate Spring Slide Plate Spring Screw Instruction Manual and Parts List Quantity 109 - Singer 20U-109 | Instruction Manual - Page 40
Zigzag Sewing Machine 6.4. Zigzag Triangular Cam and Hook Advancing Crank Components Instruction Manual and Parts List 1 2 ----.- -- S---..-•.' la-----9 s 10 a 11 15 .. to 5,.--1242::* 225Cia ist. - 19 c==s-'7 12 21 20 19 f 29 14 24 25 0 a 25 33 31-ilmo 35 ......."-:1"..3. ' - Singer 20U-109 | Instruction Manual - Page 41
Zigzag Sewing Machine No. Part Na. 1 606420 2 606539 3 606655 606655-308 Lever Slide Block Cap Screw Zig Zag Stitch Reg. Fork Zig Zag Stitch Reg. Fork Zig Zag Stitch Reg. Fork Fork Eccentric Connection Connecting Bar Instruction Manual and Parts List Quantity 109 109C 112 112C 309 - Singer 20U-109 | Instruction Manual - Page 42
Zigzag Sewing Machine 6.5. Bight Amplitude, Bight and L-C-R Position Components Instruction Manual and Parts List 6 4 CCM d 5 3 9 $3 10 12 11 cs1.0°I" 32 28 31 29 15 20 1 19 19 21 16 23 24 25 26 1 33 30 35 34 -49 36 37 27 - 41 - - Singer 20U-109 | Instruction Manual - Page 43
Zigzag Sewing Machine Instruction Manual and Parts List No. Part Control Mech. Assembly Bight Amplitude Control Mech. Assembly Slide Block 8i. Guide Assembly Slide Block 84 Guide Assembly Slide Block Slide Block Guide Assembly Slide Block Guide Assembly Guide Thumb Stud Quantity 109 109C 112 112C - Singer 20U-109 | Instruction Manual - Page 44
Zigzag Sewing Machine 6.6. Arm Shaft (upright) and Rotating Hook Drive Shaft Components Instruction Manual and Parts List 41,1%. 3 • - 35 10 a CZ, 4.19 11 I- 2 9 - it .-----, 14 13 21< 23 I17 18 5 29 30 29 33 28 0 32 31 24 25 26 27 -43- - Singer 20U-109 | Instruction Manual - Page 45
Zigzag Sewing Machine No. Pa t No. 1 5416;10 2 504 .01 3 606 ;77 606 Hook Drive Shaft Hook Drive Shaft Hook Drive Shaft Bush Set Screw Bevel Ge:Ar Assembly Bevel Gear Screw Arm Shaft (Upright) Collar Assembly Arm Shaft (Upright) Collar Screw Instruction Manual and Parts List Quantity 109 - Singer 20U-109 | Instruction Manual - Page 46
Zigzag Sewing Machine 6.7_ Hook and Bobbin Case Components Instruction Manual and Parts List g I. 6 LI 6-.. 14 9 ,10 12 (r) 16 k---4 7 ...4....i-.,1. 13 15 -45- - Singer 20U-109 | Instruction Manual - Page 47
Screw Hook Shaft Bush, long Hook Shaft Gear Shield Screw Bobbin Rotating Hook Assembly Rotating Hook Assembly Rotating Hook Assembly Rotating Hook Assembly Rotating Hook Set Screw Bobbin Case Assembly Hook Position Finger Position Finger Screw Instruction Manual and Parts List Quantity 109 109C - Singer 20U-109 | Instruction Manual - Page 48
Zigzag Sewing Machine 6.8. Feed Regulating Dial and Feed Reverse Lever Components Instruction Manual and Parts List 10 O o7 12 11 13 12 11 14 17 18 23 24 22 0 Ca. *fa: oak 15 o2= a5* 2° O 21-a 25 6 .3" 27 28 &WC -47- - Singer 20U-109 | Instruction Manual - Page 49
Zigzag Sewing Machine No. Part No. 1 606618 2 606617 3 606609 4 554138-383 5 543803-004 6 544218-053 Assembly Adjusting Screw Adjusting Screw Friction Indicator Plate Indicator Plate Screw Adjusting Screw Stopper Stopper Set Screw Instruction Manual and Parts List Quantity 109 109C - Singer 20U-109 | Instruction Manual - Page 50
Zigzag Sewing Machine 6.9. Feed Mechanism Components Instruction Manual and Parts List 13 4 444,4:ii 3 1 6 17 a) l4P 17 16 J 1214 18 19 15 12 19 18 21 tr-/-- ..aP3Z, 10 20 11 --65)112" 9 6 8 -49- - Singer 20U-109 | Instruction Manual - Page 51
Zigzag Sewing Machine No. Part No. 1 606493 2 606434 3 606492 4 606496 5 606494 6 606507 7 606687 8 606508 9 606500 10 606497 11 606498 Center Nut Screw Center Screw Center Nut Feed Dog Feed Dog Feed Dog Screw Instruction Manual and Parts List Quantity 109 109C 112 112C 309 - Singer 20U-109 | Instruction Manual - Page 52
Zigzag Sewing Machine 6.10. Presser Bar Lifter and Thread Tension Components Instruction Manual and Parts List 8 23 sat 12 18. C) 15 17 b 20 21 CCiZb C44 4 14 22 ti tC,is 1 10 j 11 2 ' CD 27 24 26 28 29 27 30 31 - 51 - - Singer 20U-109 | Instruction Manual - Page 53
Spring Thread Take-up Spring Tension Base Assembly Tension Securing Screw Tension Stud Thumb Nut Thumb Nut Washer Set Screw Lifting Lever Hinge Screw Connecting Rod Connecting Rod Pin Connecting Rod Connecting Rod Pin Bell Crank Assembly Screw Instruction Manual and Parts List Quantity 109 109C - Singer 20U-109 | Instruction Manual - Page 54
Zigzag Sewing Machine 6.1.1_ Accessories and Attachments Instruction Manual and Parts List 22 23 20 13 16 2 O 2 10 13 17 "52 15 14 7 17'4s 9''...a. •Meia.. 5 - 53- - Singer 20U-109 | Instruction Manual - Page 55
Description Accessory Box Needle (1910-05 #14) Zipper Foot Presser Foot Assembly (for Button Holing) Presser Foot Assembly (for Straight Stitching) Hemmer Foot Assembly Needle Plate (for Straight Stitching) Needle Plate (for Embroidery) Feed Dog (for Straight Stitching) Bobbin Oiler Machine Rest - Singer 20U-109 | Instruction Manual - Page 56
Zigzag Sewing Machine 6.12. Thread stand components 10 --C Instruction Manual and Parts List Cs o -• , a-421 1. (142) - - - Singer 20U-109 | Instruction Manual - Page 57
Zigzag Sewing Machine No. Part No. Description 1 1013100900 Thread stand assembly 2 10122028 Rubber cap 3 10131008 Spool post (lower) 4 10131009 Spool post (upper) 5 10112039 Spool post joint 6 10112040 Spool arm (upper) 7 10112041 Spool arm (lower) 8 504013 Screw 9 10113010 Thread guide - Singer 20U-109 | Instruction Manual - Page 58
Zigzag Sewing Machine 6.13. Belt Cover Components and Extra Parts Instruction Manual and Parts List 15 O 16 1 6 7 O 12 czzOlif"' 11 9 13 10 14 -57- - Singer 20U-109 | Instruction Manual - Page 59
Zigzag Sewing Machine No. Part No. 1 281840-383 2 281833-383 3 281834-383 4 549116 5 Screw Belt Cover (Lower) Wood Screw Washer Cloth Guide Cloth Guide Thumb Screw Finger Guard Needle Plate Assembly (for Embroidery) Instruction Manual and Parts List Quantity 109 109C 112 112C 309 - Singer 20U-109 | Instruction Manual - Page 60
O Singer is a registered trademark of The Singer Company Limited or its affiliated companies. CE) 2009 Copyright The Singer Company Limited www.singer.com P/N. xxxxxxxx Printed in China
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O
SINGE
IR._
Instruction
Manual
and
Parts
List
Zigzag
Sewing
Machine
20U-
109
/
109C
112
/
112C
309
(E)
Singer
is
a
registered
trademark
of
The
Singer
Company
Limited
or
its
affiliated
companies.
©
2009
Copyright
The
Singer
Company
Limited