Instruction Manual
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Instruction Manual and Parts List High Speed Straight Lockstitch Sewing Machine 191D 20/20C 30 / 30C 70 / 70C ® Singer is a registered trademark of The Singer Company Limited or its affiliated companies. © 2009 Copyright The Singer Company Limited
Instruction Manual and Parts List High Speed Straight Lockstitch Sewing Machine 191D 20/20C 30 / 30C 70 / 70C ® Singer is a registered trademark of The Singer Company Limited or its affiliated companies. © 2009 Copyright The Singer Company Limited
Instruction Manual
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Contents 6 Parts List 23 6.1 Frame and Cover Components 24 6.2 Arm Shaft andThreadTake-Up Lever Components 26 6.3 Needle Bar, Upright Shaft and Rotating Hook Driving Shaft 28 Components 6.4 Presser Foot Components 30 6.5 Feed Mechanism Components 32 6.6 Lubrication Components 34 6.7 Oil Reservoir Components 36 6.8 Belt Cover, Bobbin Winder andThread Stand Components 38 6.9 Machine Accessories 40
Contents 6 Parts List 23 6.1 Frame and Cover Components 24 6.2 Arm Shaft andThreadTake-Up Lever Components 26 6.3 Needle Bar, Upright Shaft and Rotating Hook Driving Shaft 28 Components 6.4 Presser Foot Components 30 6.5 Feed Mechanism Components 32 6.6 Lubrication Components 34 6.7 Oil Reservoir Components 36 6.8 Belt Cover, Bobbin Winder andThread Stand Components 38 6.9 Machine Accessories 40
Instruction Manual
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High Speed Straight Lockstitch Sewing Machine | Instruction Manual and Parts List 1 If any damage caused by unauthorized changes in the product. Singer will not be followed. Safety Instructions 1.1 Important Safety Instructions Important When using the machine, basic safety procedures must be held responsible for any electric device ...
High Speed Straight Lockstitch Sewing Machine | Instruction Manual and Parts List 1 If any damage caused by unauthorized changes in the product. Singer will not be followed. Safety Instructions 1.1 Important Safety Instructions Important When using the machine, basic safety procedures must be held responsible for any electric device ...
Instruction Manual
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... be careful when putting down , or remove the belt cover and the belt. • If you machine is running . Nothing should be placed near those parts. • To avoid injuries never put your fingers next to the rotating hook and the thread take-up lever cover when the machine is equipped...
... be careful when putting down , or remove the belt cover and the belt. • If you machine is running . Nothing should be placed near those parts. • To avoid injuries never put your fingers next to the rotating hook and the thread take-up lever cover when the machine is equipped...
Instruction Manual
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Product Description and Machine Specification 2.1 Product Description High Speed Straight Lockstitch Sewing Machine High Speed Straight Lockstitch Sewing Machine | Instruction Manual and Parts List 3
Product Description and Machine Specification 2.1 Product Description High Speed Straight Lockstitch Sewing Machine High Speed Straight Lockstitch Sewing Machine | Instruction Manual and Parts List 3
Instruction Manual
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... Sewing Machine | Instruction Manual and Parts List 4 Machine Speed vs. Lubrication Lubrication Oil 191D-20 Light to medium 191D-20C Standard 5,000 5.0 5.5/13.0 30.7 1955-01 #14 Koban/ Hirose Regular 191D-30 Medium to heavy 4,500 5.0 5.5/13.0 35.0 191D-30C Standard Koban/ Hirose 1955-01 #18 Fully Automatic Lubrication Singer "C" type oil 191D-70 Heavy 191D-70C Standard 3,000 7.0 5.5/13...
... Sewing Machine | Instruction Manual and Parts List 4 Machine Speed vs. Lubrication Lubrication Oil 191D-20 Light to medium 191D-20C Standard 5,000 5.0 5.5/13.0 30.7 1955-01 #14 Koban/ Hirose Regular 191D-30 Medium to heavy 4,500 5.0 5.5/13.0 35.0 191D-30C Standard Koban/ Hirose 1955-01 #18 Fully Automatic Lubrication Singer "C" type oil 191D-70 Heavy 191D-70C Standard 3,000 7.0 5.5/13...
Instruction Manual
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3.1 Table Cut-Out Drawing Setup and Adjustment Instructions + 1 181 - 0 115 22 130 2-R30 2-R22.5 50 2-R20 2-DEEP 17 2-80 2-R41-8R10 2-12.75 2-R20 4-R10 2-12.75 28 130 66 33 Ø8.5 339.7 2-DEEP 18 159 108 2-DEEP 23 28 DEEØP 1268 68.1 59 65 95 206 480 - 0 +1 1200 Ø18 DØE2E4P 1 4-R10 200 65 535 Figure 1 High Speed Straight Lockstitch Sewing Machine | Instruction Manual and Parts List 5
3.1 Table Cut-Out Drawing Setup and Adjustment Instructions + 1 181 - 0 115 22 130 2-R30 2-R22.5 50 2-R20 2-DEEP 17 2-80 2-R41-8R10 2-12.75 2-R20 4-R10 2-12.75 28 130 66 33 Ø8.5 339.7 2-DEEP 18 159 108 2-DEEP 23 28 DEEØP 1268 68.1 59 65 95 206 480 - 0 +1 1200 Ø18 DØE2E4P 1 4-R10 200 65 535 Figure 1 High Speed Straight Lockstitch Sewing Machine | Instruction Manual and Parts List 5
Instruction Manual
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Figure 4 Figure 5 High Speed Straight Lockstitch Sewing Machine | Instruction Manual and Parts List 6 Then, the oil reservoir '4' is placed (Figures 2 and 3). 23.5mm 19.5mm Figure 2 Figure 3 Two hinges '1' fit into the hole in the machine bed, ...
Figure 4 Figure 5 High Speed Straight Lockstitch Sewing Machine | Instruction Manual and Parts List 6 Then, the oil reservoir '4' is placed (Figures 2 and 3). 23.5mm 19.5mm Figure 2 Figure 3 Two hinges '1' fit into the hole in the machine bed, ...
Instruction Manual
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...slot on the support with screws and washers. Fix the front belt cover '3' on the machine table. The tightening torque for the screw '4' is about 30 kgf×cm, and for 0.5~1.0 mm and fix it again for the screw '5' is about 25 kgf×cm. Figure 6 High Speed Straight ...Lockstitch Sewing Machine | Instruction Manual and Parts List 7 Move the back belt cover '2' backward, until its rubber touches the front belt cover '3', move it with screws and washers. 3.3 Belt Cover and...
...slot on the support with screws and washers. Fix the front belt cover '3' on the machine table. The tightening torque for the screw '4' is about 30 kgf×cm, and for 0.5~1.0 mm and fix it again for the screw '5' is about 25 kgf×cm. Figure 6 High Speed Straight ...Lockstitch Sewing Machine | Instruction Manual and Parts List 7 Move the back belt cover '2' backward, until its rubber touches the front belt cover '3', move it with screws and washers. 3.3 Belt Cover and...
Instruction Manual
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... the thread take-up and needle bar crank '2' by turning the adjusting pin '1' in direction 'B'. Figure 8 High Speed Straight Lockstitch Sewing Machine | Instruction Manual and Parts List 8 When you will see splashing oil through oil sight window '2' if the lubrication is brought close to 'MAX' mark 'A' (Figure 7). Before turning the machine...
... the thread take-up and needle bar crank '2' by turning the adjusting pin '1' in direction 'B'. Figure 8 High Speed Straight Lockstitch Sewing Machine | Instruction Manual and Parts List 8 When you will see splashing oil through oil sight window '2' if the lubrication is brought close to 'MAX' mark 'A' (Figure 7). Before turning the machine...
Instruction Manual
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... be a suitable amount. The amount of the hook shaft bushing on the paper unchanged. Figure 11 High Speed Straight Lockstitch Sewing Machine | Instruction Manual and Parts List 9 The confirming time of the oil amount is 5 seconds (check the period of oil supplied. After adjustment the machine must be contaminated. It can...
... be a suitable amount. The amount of the hook shaft bushing on the paper unchanged. Figure 11 High Speed Straight Lockstitch Sewing Machine | Instruction Manual and Parts List 9 The confirming time of the oil amount is 5 seconds (check the period of oil supplied. After adjustment the machine must be contaminated. It can...
Instruction Manual
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... the long groove 'C' of the needle is facing exactly to the right in direction 'B'. Figure 12 High Speed Straight Lockstitch Sewing Machine | Instruction Manual and Parts List 10 3.7 Needle Attachment Caution Choose a proper needle size according to the count of thread and the type of its indented... part 'A' facing exactly to the left in the direction of the arrow until the needle bar reaches the highest point of sewing material used. The power ...
... the long groove 'C' of the needle is facing exactly to the right in direction 'B'. Figure 12 High Speed Straight Lockstitch Sewing Machine | Instruction Manual and Parts List 10 3.7 Needle Attachment Caution Choose a proper needle size according to the count of thread and the type of its indented... part 'A' facing exactly to the left in the direction of the arrow until the needle bar reaches the highest point of sewing material used. The power ...
Instruction Manual
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... should rotate in direction 'C'. Leave thread approximately 4 cm long in the order shown below. Figure 14 High Speed Straight Lockstitch Sewing Machine | Instruction Manual and Parts List 11 Thread the machine in the needle (Figure 14). By doing so, the thread will pass un- Pass the thread through thread slit 'A', and...
... should rotate in direction 'C'. Leave thread approximately 4 cm long in the order shown below. Figure 14 High Speed Straight Lockstitch Sewing Machine | Instruction Manual and Parts List 11 Thread the machine in the needle (Figure 14). By doing so, the thread will pass un- Pass the thread through thread slit 'A', and...
Instruction Manual
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...). Turn the nut '1' clockwise (in direction 'C'), the bobbin thread tension will increase. Figure 16 Figure 17 High Speed Straight Lockstitch Sewing Machine | Instruction Manual and Parts List 12 Figure 15 3.11 Thread Tension Adjustment Adjusting needle thread tension (Figure 16) Adjust the tension of the arrow.
...). Turn the nut '1' clockwise (in direction 'C'), the bobbin thread tension will increase. Figure 16 Figure 17 High Speed Straight Lockstitch Sewing Machine | Instruction Manual and Parts List 12 Figure 15 3.11 Thread Tension Adjustment Adjusting needle thread tension (Figure 16) Adjust the tension of the arrow.
Instruction Manual
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... pressure of the thread take -up spring (Figure 18) Loosen setting screw '2'. Figure 18 Figure 19 High Speed Straight Lockstitch Sewing Machine | Instruction Manual and Parts List 13 Turn the thread tension post '3' counter-clockwise (in direction 'A'), the stroke of the thread take -up spring '1' has been properly adjusted before leaving...
... pressure of the thread take -up spring (Figure 18) Loosen setting screw '2'. Figure 18 Figure 19 High Speed Straight Lockstitch Sewing Machine | Instruction Manual and Parts List 13 Turn the thread tension post '3' counter-clockwise (in direction 'A'), the stroke of the thread take -up spring '1' has been properly adjusted before leaving...
Instruction Manual
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... bottom end of presser foot is turned down in direction 'B' (Figure 23). Figure 22 Figure 23 High Speed Straight Lockstitch Sewing Machine | Instruction Manual and Parts List 14 You can adjust the presser foot lift up about 5.5 mm and stop. When the presser foot lifts to 13 mm by turning the...
... bottom end of presser foot is turned down in direction 'B' (Figure 23). Figure 22 Figure 23 High Speed Straight Lockstitch Sewing Machine | Instruction Manual and Parts List 14 You can adjust the presser foot lift up about 5.5 mm and stop. When the presser foot lifts to 13 mm by turning the...
Instruction Manual
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Tighten nut '2'. Turn the regulator '1' counter clockwise (in direction 'A'), the pressure of the presser foot will be increased (Figure 24). For general sewing of the fabrics, the standard height of the presser foot will be decreased. 3.15 Presser Foot Pressure Adjustment Loosen the nut '2', and turn the presser spring regulator '1' clockwise (in direction 'B'), the pressure of the presser spring regulator '1' will be around 33~36 mm (5 kg). ˜ 33 36mm Figure 24 High Speed Straight Lockstitch Sewing Machine | Instruction Manual and Parts List 15
Tighten nut '2'. Turn the regulator '1' counter clockwise (in direction 'A'), the pressure of the presser foot will be increased (Figure 24). For general sewing of the fabrics, the standard height of the presser foot will be decreased. 3.15 Presser Foot Pressure Adjustment Loosen the nut '2', and turn the presser spring regulator '1' clockwise (in direction 'B'), the pressure of the presser spring regulator '1' will be around 33~36 mm (5 kg). ˜ 33 36mm Figure 24 High Speed Straight Lockstitch Sewing Machine | Instruction Manual and Parts List 15
Instruction Manual
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Figure 25 High Speed Straight Lockstitch Sewing Machine | Instruction Manual and Parts List 16 To advance the feed timing in order to increase stitch tightness, move the feed eccentric cam in the direction from the arrow. To ...
Figure 25 High Speed Straight Lockstitch Sewing Machine | Instruction Manual and Parts List 16 To advance the feed timing in order to increase stitch tightness, move the feed eccentric cam in the direction from the arrow. To ...
Instruction Manual
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When the feed dog 'A' is tightening too much, the crank '1' will be above the top surface of crank '1'. 3.17 Feed Dog Height Adjustment Caution If the screw '2' is at its highest position, the teeth should be worn out. Securely tighten screw '2'. Move the feed bar up or down to make a correct height. Loosen screw '2' of the throat plate 'B' as the below for each machine variety (Figure 26). See description below height for height Figure 26 High Speed Straight Lockstitch Sewing Machine | Instruction Manual and Parts List 17
When the feed dog 'A' is tightening too much, the crank '1' will be above the top surface of crank '1'. 3.17 Feed Dog Height Adjustment Caution If the screw '2' is at its highest position, the teeth should be worn out. Securely tighten screw '2'. Move the feed bar up or down to make a correct height. Loosen screw '2' of the throat plate 'B' as the below for each machine variety (Figure 26). See description below height for height Figure 26 High Speed Straight Lockstitch Sewing Machine | Instruction Manual and Parts List 17
Instruction Manual
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Figure 27 High Speed Straight Lockstitch Sewing Machine | Instruction Manual and Parts List 18 Adjusting the height of needle bar lower bushing '3', then securely tighten the setscrew '1'. Adjusting the position of the rotating hook Loosen two rotating ...
Figure 27 High Speed Straight Lockstitch Sewing Machine | Instruction Manual and Parts List 18 Adjusting the height of needle bar lower bushing '3', then securely tighten the setscrew '1'. Adjusting the position of the rotating hook Loosen two rotating ...