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
... Fitting 3.22. Setup and Adjustment Instructions 3.1. Belt Cover Installation 3.4. Take-up Spring Regulation 3.16. Fittings for Buttonhole Stitching 3.26. Zigzag Sewing Machine Contents 1. Safety Instructions 1.1. Important Safety Instructions 1.2. Safe Operation 2. Product Description and Machine Specification 2.1. Motor, Motor Pulley and V-Belt Specifications 2.4. Table Cut-Out Drawing 3.2. Lubrication 3.5. Needle and Thread 3.6. Bobbin Case Removal 3.8. Bobbin...
... Fitting 3.22. Setup and Adjustment Instructions 3.1. Belt Cover Installation 3.4. Take-up Spring Regulation 3.16. Fittings for Buttonhole Stitching 3.26. Zigzag Sewing Machine Contents 1. Safety Instructions 1.1. Important Safety Instructions 1.2. Safe Operation 2. Product Description and Machine Specification 2.1. Motor, Motor Pulley and V-Belt Specifications 2.4. Table Cut-Out Drawing 3.2. Lubrication 3.5. Needle and Thread 3.6. Bobbin Case Removal 3.8. Bobbin...
Instruction Manual
Page 4
... Handwheel Components 6.3. Zigzag Triangular Cam and Hook Advancing Crank Components 6.5. Safety Inspection 5. Needle Bar, Presser Bar and Throat Plate Components 6.4. Feed Mechanism Components 6.10. Zigzag Sewing Machine 4. Troubleshooting 6. Face Plate, Arm Top Cover and Arm Side Cover Components 6.2. Arm Shaft (upright) and Rotating Hook Drive Shaft Components 6.7. Feed Regulating Dial and Feed...
... Handwheel Components 6.3. Zigzag Triangular Cam and Hook Advancing Crank Components 6.5. Safety Inspection 5. Needle Bar, Presser Bar and Throat Plate Components 6.4. Feed Mechanism Components 6.10. Zigzag Sewing Machine 4. Troubleshooting 6. Face Plate, Arm Top Cover and Arm Side Cover Components 6.2. Arm Shaft (upright) and Rotating Hook Drive Shaft Components 6.7. Feed Regulating Dial and Feed...
Instruction Manual
Page 5
..., and also the adequate grounding. • The machine should be followed. • Singer will not be made by unauthorized changes in its safety devices. Important Safety Instructions When using the machine. When using the machine, understand all instruction before using this manual, and ...on electric equipment should only be operated by the needle or replacing the bobbin or looper. The machine should only be held responsible for any damage caused by qualified personnel. Zigzag Sewing Machine Instruction Manual and Parts List 1. device is not running the...
..., and also the adequate grounding. • The machine should be followed. • Singer will not be made by unauthorized changes in its safety devices. Important Safety Instructions When using the machine. When using the machine, understand all instruction before using this manual, and ...on electric equipment should only be operated by the needle or replacing the bobbin or looper. The machine should only be held responsible for any damage caused by qualified personnel. Zigzag Sewing Machine Instruction Manual and Parts List 1. device is not running the...
Instruction Manual
Page 6
... case any other safety device is removed. • To avoid possible injuries keep them away from wheel, belt and motor when the machine is running. To avoid a possible accident caused by electric discharge turn it off before unplugging it does not make noises while being driven... wiring box. • To avoid injuries do not run the machine without proper grounding. • To minimize the risk of a sudden start , be careful when putting down , or remove the belt cover and the belt. • If you machine is running . Zigzag Sewing Machine Instruction Manual and Parts List 1.2.
... case any other safety device is removed. • To avoid possible injuries keep them away from wheel, belt and motor when the machine is running. To avoid a possible accident caused by electric discharge turn it off before unplugging it does not make noises while being driven... wiring box. • To avoid injuries do not run the machine without proper grounding. • To minimize the risk of a sudden start , be careful when putting down , or remove the belt cover and the belt. • If you machine is running . Zigzag Sewing Machine Instruction Manual and Parts List 1.2.
Instruction Manual
Page 8
...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 catalog (needle system) Cat. 1910-05 (135x9) Needle size See Section 3.5 "Needle and Thread" Machine...1,600 spm Maximum speed will vary depending on fabric, threads and sewing condition 2 Noise measurement according to medium Plain zigzag (Straight stitch) 20U-309 3-step zigzag Max. Zigzag Sewing Machine Instruction Manual and Parts List...
...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 catalog (needle system) Cat. 1910-05 (135x9) Needle size See Section 3.5 "Needle and Thread" Machine...1,600 spm Maximum speed will vary depending on fabric, threads and sewing condition 2 Noise measurement according to medium Plain zigzag (Straight stitch) 20U-309 3-step zigzag Max. Zigzag Sewing Machine Instruction Manual and Parts List...
Instruction Manual
Page 9
.... Relationship between zigzag bight and maximum speed Machine Class Zigzag bight Max. 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 - Motor Pulley Diameter Machine Speed [sprnj 20U-112 ; 112C 2,000 1,800 1,500...
.... Relationship between zigzag bight and maximum speed Machine Class Zigzag bight Max. 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 - Motor Pulley Diameter Machine Speed [sprnj 20U-112 ; 112C 2,000 1,800 1,500...
Instruction Manual
Page 10
e- Table Cut-Out Drawing Instruction Manual and Parts List E 50C - Setup and Adjustment Instructions 3.1. srs L N j us =If ..! 7e. 934jx.;'-' , 10e IOC J Figu -^ 1 - 9 - Zigzag Sewing Machine 3.
e- Table Cut-Out Drawing Instruction Manual and Parts List E 50C - Setup and Adjustment Instructions 3.1. srs L N j us =If ..! 7e. 934jx.;'-' , 10e IOC J Figu -^ 1 - 9 - Zigzag Sewing Machine 3.
Instruction Manual
Page 11
... (Figure 3). Instruction Manual and Parts List kt1 Figure 2 Figure 3 Figure 4 - 10 - Two hinges fit into the hole in the machine bed, and the machine head fitted the table hinge's rubber, before the machine head is placed to the cushions on the four corners of the machine table groove by using four nails (Figure 2). Zigzag Sewing Machine 3.2.
... (Figure 3). Instruction Manual and Parts List kt1 Figure 2 Figure 3 Figure 4 - 10 - Two hinges fit into the hole in the machine bed, and the machine head fitted the table hinge's rubber, before the machine head is placed to the cushions on the four corners of the machine table groove by using four nails (Figure 2). Zigzag Sewing Machine 3.2.
Instruction Manual
Page 12
... throat plate. Turn hand wheel over toward you until oil hole in rotating hook appear in sight. Wit Figure 5 Caution: • Switch off the machine. • Set sewing head upright again using both hands. • Danger of oil to the oil hole (see Figure 5). Apply one or two drops of crushing between...
... throat plate. Turn hand wheel over toward you until oil hole in rotating hook appear in sight. Wit Figure 5 Caution: • Switch off the machine. • Set sewing head upright again using both hands. • Danger of oil to the oil hole (see Figure 5). Apply one or two drops of crushing between...
Instruction Manual
Page 13
... an extended period of bread-in Figure? Remove screws and lift off the machine. • Set sewing head upright again using both hands. • Danger of crushing between sewing head and table top. • For your machine at 1,000 to gear teeth indicated with '6'. Clean and oil the places ...off arm top cover. Also apply a drop of grease to 1,500 spm for about 10 minutes for the purpose of disuse, oil the machine and run your safety, do not run the machine without the belt cover. Zigzag Sewing Machine Loosen and remove screws and remove face plate by sliding it downward.
... an extended period of bread-in Figure? Remove screws and lift off the machine. • Set sewing head upright again using both hands. • Danger of crushing between sewing head and table top. • For your machine at 1,000 to gear teeth indicated with '6'. Clean and oil the places ...off arm top cover. Also apply a drop of grease to 1,500 spm for about 10 minutes for the purpose of disuse, oil the machine and run your safety, do not run the machine without the belt cover. Zigzag Sewing Machine Loosen and remove screws and remove face plate by sliding it downward.
Instruction Manual
Page 14
... Needle and Thread Selection of the proper needle depends not only on the machine model, but also on the material and thread used on the various machine models please refer to the table below Model Application Light weight materials 20U-109 / 109C / 112 / 112C / 309 Medium weight materials Mid-heavy .... Raise needle bar to be cut off the machine. • Do not operate the machine without the 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. Tighten -,,edle set...
... Needle and Thread Selection of the proper needle depends not only on the machine model, but also on the material and thread used on the various machine models please refer to the table below Model Application Light weight materials 20U-109 / 109C / 112 / 112C / 309 Medium weight materials Mid-heavy .... Raise needle bar to be cut off the machine. • Do not operate the machine without the 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. Tighten -,,edle set...
Instruction Manual
Page 15
Caution: • Switch off the machine. • Do not operate the machine with throat plate left hand and turn stop -motion screw '1', Figure 10. Hold hand wheel with right hand. 2 Figure 9 I A Figure 10 - 14 - 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). Bobbin Winding Stop motion of needle by loosening stop -motion screw toward you with left open. 3.8. Zigzag Sewing Machine 3.7.
Caution: • Switch off the machine. • Do not operate the machine with throat plate left hand and turn stop -motion screw '1', Figure 10. Hold hand wheel with right hand. 2 Figure 9 I A Figure 10 - 14 - 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). Bobbin Winding Stop motion of needle by loosening stop -motion screw toward you with left open. 3.8. Zigzag Sewing Machine 3.7.
Instruction Manual
Page 16
..., as required. Pre tension '1' (see Figure 11). If thread winds unevenly on latch '2' and swing the latch '2' away from you. Zigzag Sewing Machine Instruction Manual and Parts List Place bobbin on bobbin, swing latch '2' toward you, as required, and tighten screw 'S'. • Th reeding the ...'+' More tension '-' Less tension Push latch '2' in bobbin case. Bobbin winder spindle '3', rotate in the direction indicated by arrow 'A', then start the machine (see Figure 13) 15 • Figure 11, pushing it will go. For more thread on as far as it on bobbin, swing latch '2'...
..., as required. Pre tension '1' (see Figure 11). If thread winds unevenly on latch '2' and swing the latch '2' away from you. Zigzag Sewing Machine Instruction Manual and Parts List Place bobbin on bobbin, swing latch '2' toward you, as required, and tighten screw 'S'. • Th reeding the ...'+' More tension '-' Less tension Push latch '2' in bobbin case. Bobbin winder spindle '3', rotate in the direction indicated by arrow 'A', then start the machine (see Figure 13) 15 • Figure 11, pushing it will go. For more thread on as far as it on bobbin, swing latch '2'...
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', 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 spring '1', (Figure 14) and pass it through bobbin case thread guide '1' 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', 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 spring '1', (Figure 14) and pass it through bobbin case thread guide '1' of Figure 15. - 16 -
Instruction Manual
Page 18
Danger of bobbin case holder (see Figure 17) Release latch and press bobbin case firmly in place to assure proper position. Close bed slide Caution: • Switch off the machine. • Do not run machine without closing bed side. 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 -
Danger of bobbin case holder (see Figure 17) Release latch and press bobbin case firmly in place to assure proper position. Close bed slide Caution: • Switch off the machine. • Do not run machine without closing bed side. 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 -
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
... 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. Zigzag Sewing Machine 3.12.
... 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. Zigzag Sewing Machine 3.12.
Instruction Manual
Page 21
... Securely tighten screw '2' 3.16. Bobbin Thread Tension Adjustment Regulate bobbin thread tension with tension regulating knob '1', Figure 20. • more tension '-' less tension 3.15. Zigzag Sewing Machine 3.14. 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 --
... Securely tighten screw '2' 3.16. Bobbin Thread Tension Adjustment Regulate bobbin thread tension with tension regulating knob '1', Figure 20. • more tension '-' less tension 3.15. Zigzag Sewing Machine 3.14. 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 --
Instruction Manual
Page 22
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. III II En) Figure 23 - 21 - Caution: • Switch off the machine. Do not make any needle position adjustment while the needle is in and move to desired salting. To position, push lever in the fabric.
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. III II En) Figure 23 - 21 - Caution: • Switch off the machine. Do not make any needle position adjustment while the needle is in and move to desired salting. To position, push lever in the fabric.