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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...its safety devices. • The machine should only be operated by properly trained personnel. • For your country. • The machine should not be followed. Singer will not be followed. In case of use it , understand that machine and operator are able to perform the task. • The machine should not... be made by unauthorized changes in the product. If any damage caused by qualified personnel. High Speed Straight Lockstitch Sewing Machine | Instruction Manual and Parts List 1 Safety Instructions 1.1 Important Safety Instructions Important When using the machine.
...its safety devices. • The machine should only be operated by properly trained personnel. • For your country. • The machine should not be followed. Singer will not be followed. In case of use it , understand that machine and operator are able to perform the task. • The machine should not... be made by unauthorized changes in the product. If any damage caused by qualified personnel. High Speed Straight Lockstitch Sewing Machine | Instruction Manual and Parts List 1 Safety Instructions 1.1 Important Safety Instructions Important When using the machine.
Instruction Manual
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... turn the machine off before unplugging it. • Clean the machine periodically. High Speed Straight Lockstitch Sewing Machine | Instruction Manual and Parts List 2 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...
... turn the machine off before unplugging it. • Clean the machine periodically. High Speed Straight Lockstitch Sewing Machine | Instruction Manual and Parts List 2 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...
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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... Parts List 4 Machine Speed vs. Machine Specification Singer Model Application Maximum Speed [spm] Stitch Length [mm] Height of Presser Foot by hand / by knee [mm] Needle Bar Stroke [mm] Hook Type Hook Origin Needle Cat. 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...
... Parts List 4 Machine Speed vs. Machine Specification Singer Model Application Maximum Speed [spm] Stitch Length [mm] Height of Presser Foot by hand / by knee [mm] Needle Bar Stroke [mm] Hook Type Hook Origin Needle Cat. 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...
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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... is placed to the cushions '3' on the hinge side 'B' are attached by nail too. Figure 4 Figure 5 High Speed Straight Lockstitch Sewing Machine | Instruction Manual and Parts List 6 Two rubber seats '1' for supporting the head portion on the operator side 'A' are fixed on the extended portion of the table by using nail...
... is placed to the cushions '3' on the hinge side 'B' are attached by nail too. Figure 4 Figure 5 High Speed Straight Lockstitch Sewing Machine | Instruction Manual and Parts List 6 Two rubber seats '1' for supporting the head portion on the operator side 'A' are fixed on the extended portion of the table by using nail...
Instruction Manual
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...move it again for 0.5~1.0 mm and fix it with screws '4', '5' and washers '6'. Figure 6 High Speed Straight Lockstitch Sewing Machine | Instruction Manual and Parts List 7 3.3 Belt Cover and Bobbin Winder Installation Caution For safety, the belt cover should be installed. The left and right... parts of the cover hole. Drill four holes 'A', 'B', 'C' and 'D', in the machine table for the screw '5' is about 30 kgf×cm, and for screws (Figure 6). Fix the front belt cover '3' on ...
...move it again for 0.5~1.0 mm and fix it with screws '4', '5' and washers '6'. Figure 6 High Speed Straight Lockstitch Sewing Machine | Instruction Manual and Parts List 7 3.3 Belt Cover and Bobbin Winder Installation Caution For safety, the belt cover should be installed. The left and right... parts of the cover hole. Drill four holes 'A', 'B', 'C' and 'D', in the machine table for the screw '5' is about 30 kgf×cm, and for screws (Figure 6). Fix the front belt cover '3' on ...
Instruction Manual
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... when marker dot 'A' is brought close to needle bar crank '2' by turning adjusting pin '1' (Figure 8). Figure 8 High Speed Straight Lockstitch Sewing Machine | Instruction Manual and Parts List 8 When the oil level lowers below 'MIN' mark 'B', refill the oil reservoir with sewing machine oil up and needle bar crank '2' by turning the...
... when marker dot 'A' is brought close to needle bar crank '2' by turning adjusting pin '1' (Figure 8). Figure 8 High Speed Straight Lockstitch Sewing Machine | Instruction Manual and Parts List 8 When the oil level lowers below 'MIN' mark 'B', refill the oil reservoir with sewing machine oil up and needle bar crank '2' by turning the...
Instruction Manual
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...) Turning the oil adjusting screw of the oil amount is within 'MAX' and 'MIN'. Figure 11 High Speed Straight Lockstitch Sewing Machine | Instruction Manual and Parts List 9 The confirming time of the hook shaft bushing on the paper unchanged. 3.6 Rotating Hook Oil Supply Adjustment Unused machine should run idle for 3 minutes...
...) Turning the oil adjusting screw of the oil amount is within 'MAX' and 'MIN'. Figure 11 High Speed Straight Lockstitch Sewing Machine | Instruction Manual and Parts List 9 The confirming time of the hook shaft bushing on the paper unchanged. 3.6 Rotating Hook Oil Supply Adjustment Unused machine should run idle for 3 minutes...
Instruction Manual
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Figure 12 High Speed Straight Lockstitch Sewing Machine | Instruction Manual and Parts List 10 The power supply should be cut off before attaching the needle. Turn the hand wheel until it will go no further. Tighten the ... needle '1' with its stroke (Figure 12). 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 direction 'B'. Make sure the long groove 'C' of the needle is facing exactly to the right in direction 'D'. Insert the...
Figure 12 High Speed Straight Lockstitch Sewing Machine | Instruction Manual and Parts List 10 The power supply should be cut off before attaching the needle. Turn the hand wheel until it will go no further. Tighten the ... needle '1' with its stroke (Figure 12). 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 direction 'B'. Make sure the long groove 'C' of the needle is facing exactly to the right in direction 'D'. Insert the...
Instruction Manual
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... 3.9 Machine Threading When threading the machine head, the needle bar should rotate in direction 'C'. Figure 14 High Speed Straight Lockstitch Sewing Machine | Instruction Manual and Parts List 11 Leave thread approximately 4 cm long in the order shown below. 3.8 Bobbin Case Attachment Fix the bobbin into bobbin case with that the thread...
... 3.9 Machine Threading When threading the machine head, the needle bar should rotate in direction 'C'. Figure 14 High Speed Straight Lockstitch Sewing Machine | Instruction Manual and Parts List 11 Leave thread approximately 4 cm long in the order shown below. 3.8 Bobbin Case Attachment Fix the bobbin into bobbin case with that the thread...
Instruction Manual
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... of the arrow, and align the desired number to different sewing conditions. Figure 16 Figure 17 High Speed Straight Lockstitch Sewing Machine | Instruction Manual and Parts List 12 Adjusting the bobbin thread tension (Figure 17) Turn the tension adjusting screw '2' clockwise (in direction 'D'), the bobbin thread tension will increase. Turn the...
... of the arrow, and align the desired number to different sewing conditions. Figure 16 Figure 17 High Speed Straight Lockstitch Sewing Machine | Instruction Manual and Parts List 12 Adjusting the bobbin thread tension (Figure 17) Turn the tension adjusting screw '2' clockwise (in direction 'D'), the bobbin thread tension will increase. Turn the...
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' clockwise (in direction 'A'), the pressure of the thread take -up spring will be increased. Turn the tension post...
... 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' clockwise (in direction 'A'), the pressure of the thread take -up spring will be increased. Turn the tension post...
Instruction Manual
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... foot lifter '1' in its original position when the lifter is 10 mm. Figure 22 Figure 23 High Speed Straight Lockstitch Sewing Machine | Instruction Manual and Parts List 14 3.13 Knee Lifter Height Adjustment When using the knee lifter, the standard height of the needle bar '2' in direction 'A' to lift the presser...
... foot lifter '1' in its original position when the lifter is 10 mm. Figure 22 Figure 23 High Speed Straight Lockstitch Sewing Machine | Instruction Manual and Parts List 14 3.13 Knee Lifter Height Adjustment When using the knee lifter, the standard height of the needle bar '2' in direction 'A' to lift the presser...
Instruction Manual
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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 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'. 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 foot will be decreased.
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 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'. 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 foot will be decreased.
Instruction Manual
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... the top end of needle eyelet are flush with top surface of the arrow. 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 '1' in the direction from the arrow. Loosen...
... the top end of needle eyelet are flush with top surface of the arrow. 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 '1' in the direction from the arrow. Loosen...
Instruction Manual
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Securely tighten screw '2'. When the feed dog 'A' is tightening too much, the crank '1' will be above the top surface of crank '1'. Loosen screw '2' of the throat plate 'B' as the below for each machine variety (Figure 26). Move the feed bar up or down to make a correct height. See description below height for height Figure 26 High Speed Straight Lockstitch Sewing Machine | Instruction Manual and Parts List 17 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'. When the feed dog 'A' is tightening too much, the crank '1' will be above the top surface of crank '1'. Loosen screw '2' of the throat plate 'B' as the below for each machine variety (Figure 26). Move the feed bar up or down to make a correct height. See description below height for height Figure 26 High Speed Straight Lockstitch Sewing Machine | Instruction Manual and Parts List 17 3.17 Feed Dog Height Adjustment Caution If the screw '2' is at its highest position, the teeth should be worn out.
Instruction Manual
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... one. Adjusting the position of needle bar lower bushing '3', then securely tighten the setscrew '1'. Figure 27 High Speed Straight Lockstitch Sewing Machine | Instruction Manual and Parts List 18 3.18 Needle to Rotating Hook Relation Adjustment Precaution If the clearance is 0.04~0.1 mm. After the above adjustments steps, the rotating hook point...
... one. Adjusting the position of needle bar lower bushing '3', then securely tighten the setscrew '1'. Figure 27 High Speed Straight Lockstitch Sewing Machine | Instruction Manual and Parts List 18 3.18 Needle to Rotating Hook Relation Adjustment Precaution If the clearance is 0.04~0.1 mm. After the above adjustments steps, the rotating hook point...