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
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
Instruction Manual
Page 3
.... Zigzag Sewing Machine Contents 1. Bobbin Case Removal 3.8. Bobbin Winding 3.9. Stitch Length Adjustment 3.13. Bobbin Thread Tension Adjustment 3.17. Fittings for Zipper and Cord Sewing - 2 - Instruction Manual and Parts List 4 4 5 6 6 7 8 8 9 9 10 11 11 13 13 14 14 15 17 18 19 19 20 20 20 21 22 22 23 24 25 26...
.... Zigzag Sewing Machine Contents 1. Bobbin Case Removal 3.8. Bobbin Winding 3.9. Stitch Length Adjustment 3.13. Bobbin Thread Tension Adjustment 3.17. Fittings for Zipper and Cord Sewing - 2 - Instruction Manual and Parts List 4 4 5 6 6 7 8 8 9 9 10 11 11 13 13 14 14 15 17 18 19 19 20 20 20 21 22 22 23 24 25 26...
Instruction Manual
Page 4
Lubrication 4.3. Parts List 6.1. Feed Mechanism Components 6.10. Belt Cover Components and Extra Parts Instruction Manual and Parts List 31 31 31 31 32 33 33 35 37 39 41 43 45 47 49 51 53 55 57 Safety Inspection 5. Troubleshooting 6. ...
Lubrication 4.3. Parts List 6.1. Feed Mechanism Components 6.10. Belt Cover Components and Extra Parts Instruction Manual and Parts List 31 31 31 31 32 33 33 35 37 39 41 43 45 47 49 51 53 55 57 Safety Inspection 5. Troubleshooting 6. ...
Instruction Manual
Page 5
...and other equipment. • The machine should be followed. • Singer will not be followed. o Replacing the needle, presser foot, throat plate, feed dog and sliding plate. If c.ny electric; Zigzag Sewing Machine Instruction Manual and Parts List 1. The machine should only be operated by properly ... off or unplug the machine when the following . o When the machine is in your safety, goggles must be run without its instruction manual, and indications of cold water. In case of icy %voter with attention all basic safety instructions which are able to perform the task....
...and other equipment. • The machine should be followed. • Singer will not be followed. o Replacing the needle, presser foot, throat plate, feed dog and sliding plate. If c.ny electric; Zigzag Sewing Machine Instruction Manual and Parts List 1. The machine should only be operated by properly ... off or unplug the machine when the following . o When the machine is in your safety, goggles must be run without its instruction manual, and indications of cold water. In case of icy %voter with attention all basic safety instructions which are able to perform the task....
Instruction Manual
Page 6
To avoid a possible accident caused by electric discharge turn it off before unplugging it. • Clean the machine periodically. - 5 - Zigzag Sewing Machine Instruction Manual and Parts List 1.2. Nothing should be placed near those parts. • To avoid injuries never put your fingers next to replace the bobbin. • To ...
To avoid a possible accident caused by electric discharge turn it off before unplugging it. • Clean the machine periodically. - 5 - Zigzag Sewing Machine Instruction Manual and Parts List 1.2. Nothing should be placed near those parts. • To avoid injuries never put your fingers next to replace the bobbin. • To ...
Instruction Manual
Page 8
...medium Plain zigzag (Straight stitch) 20U-309 3-step zigzag Max. Zigzag Sewing Machine Instruction Manual and Parts List 2.2. stitch bight 2,500 rpm 9.0 mm 2,000 rpm 12.0 mm 2,500 rpm 9.0 mm Max. Machine Specification Singer model For sewing Stitch type 20U-109 / 109C 20U-112 / 112C Light to DIN... 4563-45-A 1. stitch length 5.0 mm Needle bar stroke 34.8 mm Presser bar lift (manual) 6.35 mm Presser bar lift (knee lifter) 9.0 mm Needle...
...medium Plain zigzag (Straight stitch) 20U-309 3-step zigzag Max. Zigzag Sewing Machine Instruction Manual and Parts List 2.2. stitch bight 2,500 rpm 9.0 mm 2,000 rpm 12.0 mm 2,500 rpm 9.0 mm Max. Machine Specification Singer model For sewing Stitch type 20U-109 / 109C 20U-112 / 112C Light to DIN... 4563-45-A 1. stitch length 5.0 mm Needle bar stroke 34.8 mm Presser bar lift (manual) 6.35 mm Presser bar lift (knee lifter) 9.0 mm Needle...
Instruction Manual
Page 9
...; 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. speed 20U-109 / 109C / 309 0 - 5.0 mm 5.0 - 9.0 mm 2,500 rpm 2,000 rpm 20U-112 / 112C 0 - 5.0 mm 5.0 - 12.0 mm 2,000 rpm 1,800 rpm - 8 - Zigzag Sewing Machine Instruction Manual and Parts List 2.3. Motor Pulley Diameter Machine Speed [sprnj...
...; 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. speed 20U-109 / 109C / 309 0 - 5.0 mm 5.0 - 9.0 mm 2,500 rpm 2,000 rpm 20U-112 / 112C 0 - 5.0 mm 5.0 - 12.0 mm 2,000 rpm 1,800 rpm - 8 - Zigzag Sewing Machine Instruction Manual and Parts List 2.3. Motor Pulley Diameter Machine Speed [sprnj...
Instruction Manual
Page 10
e- Setup and Adjustment Instructions 3.1. Zigzag Sewing Machine 3. Table Cut-Out Drawing Instruction Manual and Parts List E 50C - srs L N j us =If ..! 7e. 934jx.;'-' , 10e IOC J Figu -^ 1 - 9 -
e- Setup and Adjustment Instructions 3.1. Zigzag Sewing Machine 3. Table Cut-Out Drawing Instruction Manual and Parts List E 50C - srs L N j us =If ..! 7e. 934jx.;'-' , 10e IOC J Figu -^ 1 - 9 -
Instruction Manual
Page 11
Zigzag Sewing Machine 3.2. Instruction Manual and Parts List kt1 Figure 2 Figure 3 Figure 4 - 10 - Two rubber seats and two rubber corners for supporting the head portion should be fixed on the ...
Zigzag Sewing Machine 3.2. Instruction Manual and Parts List kt1 Figure 2 Figure 3 Figure 4 - 10 - Two rubber seats and two rubber corners for supporting the head portion should be fixed on the ...
Instruction Manual
Page 12
... Install belt guard so that hand wheel and v-belt move freely, then screw it down is this position (see Figure 6). 1 0 Figure 6 Belt Cover Installation Instruction Manual and Parts List Above table surface Align the belt guard so that motor pulley and v-belt will rotate freely without the belt cover. 3.4. Wit Figure...
... Install belt guard so that hand wheel and v-belt move freely, then screw it down is this position (see Figure 6). 1 0 Figure 6 Belt Cover Installation Instruction Manual and Parts List Above table surface Align the belt guard so that motor pulley and v-belt will rotate freely without the belt cover. 3.4. Wit Figure...
Instruction Manual
Page 13
Apply sufficient oil to gear teeth indicated with '6'. Instruction Manual and Parts List 0 • 0 O O • Figure 7 Caution: • Switch off arm top cover. Apply a small amount of disuse, oil the machine and run your safety, ...
Apply sufficient oil to gear teeth indicated with '6'. Instruction Manual and Parts List 0 • 0 O O • Figure 7 Caution: • Switch off arm top cover. Apply a small amount of disuse, oil the machine and run your safety, ...
Instruction Manual
Page 14
...: • The power supply should be used . Loosen needle set screw '1 securely. c;P 2 Figure 8 - .3- Raise needle bar to the table below Model Application Light weight materials 20U-109 / 109C / 112 / 112C / 309 Medium weight materials Mid-heavy weight materials Max. Caution: • Switch off before attaching the needle. 3.6. For selection of the proper... finger guard '2' (see Figure 8) Insert the needle in the needle bar and push it up as far as it will go. Zigzag Sewing Machine Instruction Manual and Parts List 3.5.
...: • The power supply should be used . Loosen needle set screw '1 securely. c;P 2 Figure 8 - .3- Raise needle bar to the table below Model Application Light weight materials 20U-109 / 109C / 112 / 112C / 309 Medium weight materials Mid-heavy weight materials Max. Caution: • Switch off before attaching the needle. 3.6. For selection of the proper... finger guard '2' (see Figure 8) Insert the needle in the needle bar and push it up as far as it will go. Zigzag Sewing Machine Instruction Manual and Parts List 3.5.
Instruction Manual
Page 15
Bobbin Case Removal Instruction Manual and Parts List Open bed slide. Raise latch '1' (see Figure 9). Caution: • Switch off the machine. • Do not operate the machine with throat plate left hand and turn stop -motion screw '1', Figure 10. Bobbin Winding Stop motion of needle by loosening stop -motion screw toward you with left open. 3.8. Hold hand wheel with right hand. 2 Figure 9 I A Figure 10 - 14 - Zigzag Sewing Machine 3.7. Lift out bobbin case '2' (see Figure 9).
Bobbin Case Removal Instruction Manual and Parts List Open bed slide. Raise latch '1' (see Figure 9). Caution: • Switch off the machine. • Do not operate the machine with throat plate left hand and turn stop -motion screw '1', Figure 10. Bobbin Winding Stop motion of needle by loosening stop -motion screw toward you with left open. 3.8. Hold hand wheel with right hand. 2 Figure 9 I A Figure 10 - 14 - Zigzag Sewing Machine 3.7. Lift out bobbin case '2' (see Figure 9).
Instruction Manual
Page 16
... '3'. To adjust the amount of thread on bobbin, loosen screw '4' on as far as it under tension spring '2' (see Figure 11). Zigzag Sewing Machine Instruction Manual and Parts List Place bobbin on bobbin, loosen screw '5' and move pre-tension '1' up or down, as required, and tighten screw 'S'. • Th reeding the...
... '3'. To adjust the amount of thread on bobbin, loosen screw '4' on as far as it under tension spring '2' (see Figure 11). Zigzag Sewing Machine Instruction Manual and Parts List Place bobbin on bobbin, loosen screw '5' and move pre-tension '1' up or down, as required, and tighten screw 'S'. • Th reeding the...
Instruction Manual
Page 17
Figure 14 Figure 15 Note: • When straight stitching, a better result can be obtained if bobbin thread is not threaded through bobbin case thread guide '1' of spring '1', (Figure 14) and pass it through bobbin case thread guide '1', Figure 15. Zigzag Sewing Machine Instruction Manual and Parts List Figure 13 Draw thread out from bobbin. Allow about 4 inches of thread to hang freely from slot '2' on end of Figure 15. - 16 -
Figure 14 Figure 15 Note: • When straight stitching, a better result can be obtained if bobbin thread is not threaded through bobbin case thread guide '1' of spring '1', (Figure 14) and pass it through bobbin case thread guide '1', Figure 15. Zigzag Sewing Machine Instruction Manual and Parts List Figure 13 Draw thread out from bobbin. Allow about 4 inches of thread to hang freely from slot '2' on end of Figure 15. - 16 -
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 injury! 3 O 1 Figure 17 4 2 - 17 - Close bed slide Caution: • Switch off the machine. • Do not run machine without closing bed side. Danger of bobbin case holder (see Figure 17) Release latch and press bobbin case firmly in place to assure proper position.
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 injury! 3 O 1 Figure 17 4 2 - 17 - Close bed slide Caution: • Switch off the machine. • Do not run machine without closing bed side. Danger of bobbin case holder (see Figure 17) Release latch and press bobbin case firmly in place to assure proper position.
Instruction Manual
Page 19
Caution: • Switch off the machine. • Do not operate the machine without thread take-up guard. • Do not operate the machine without finger guard. -18- 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 thread through eye of needle. Zigzag Sewing Machine 3.11.
Caution: • Switch off the machine. • Do not operate the machine without thread take-up guard. • Do not operate the machine without finger guard. -18- 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 thread through eye of needle. Zigzag Sewing Machine 3.11.
Instruction Manual
Page 20
... Adjustment O Figure 18 To regulate the presser foot pressure, turn feed regulating dial '1' Figure 18, toward left or right as required. Stitch Length Adjustment Instruction Manual and Parts List Regulating the stitch length: To regulate the stitch length, turn knurled thumb screw '1', Figure 19, toward left or right as required.
... Adjustment O Figure 18 To regulate the presser foot pressure, turn feed regulating dial '1' Figure 18, toward left or right as required. Stitch Length Adjustment Instruction Manual and Parts List Regulating the stitch length: To regulate the stitch length, turn knurled thumb screw '1', Figure 19, toward left or right as required.
Instruction Manual
Page 21
... take -up spring tension by turning the entire tension assembly '3' toward left or right, as required Securely tighten screw '2' 3.16. Needle Thread Tension Adjustment Instruction Manual and Parts List Regulate needle thread tension with tension regulating screw '1', Figure22. '+' More tension Less tension (0 Figure 20 2 3 -- Zigzag Sewing Machine 3.14. Figure 21 Figure...
... take -up spring tension by turning the entire tension assembly '3' toward left or right, as required Securely tighten screw '2' 3.16. Needle Thread Tension Adjustment Instruction Manual and Parts List Regulate needle thread tension with tension regulating screw '1', Figure22. '+' More tension Less tension (0 Figure 20 2 3 -- Zigzag Sewing Machine 3.14. Figure 21 Figure...
Instruction Manual
Page 22
Instruction Manual and Parts List cCO -7 CIA _Ili L. To position, push lever in the fabric. Caution: • Switch off the machine. III II En) Figure 23 - 21 - Do not make any needle position adjustment while the needle is in and move to desired salting. Zigzag Sewing Machine 3.17_ Needle Position Selector Left, Center and Right needle position settings are available for placement of both straight and zigzag stitching (see Figure23).
Instruction Manual and Parts List cCO -7 CIA _Ili L. To position, push lever in the fabric. Caution: • Switch off the machine. III II En) Figure 23 - 21 - Do not make any needle position adjustment while the needle is in and move to desired salting. Zigzag Sewing Machine 3.17_ Needle Position Selector Left, Center and Right needle position settings are available for placement of both straight and zigzag stitching (see Figure23).