Instruction Manual
Page 1
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
Page 4
... as indicated in the product. High Speed Straight Lockstitch Sewing Machine | Instruction Manual and Parts List 1 Singer will not be followed. When using it as an ultrasonic welding machine and other equipment. • The machine should only be run without its safety devices. • The machine should only be made by unauthorized changes in its instructions...
... as indicated in the product. High Speed Straight Lockstitch Sewing Machine | Instruction Manual and Parts List 1 Singer will not be followed. When using it as an ultrasonic welding machine and other equipment. • The machine should only be run without its safety devices. • The machine should only be made by unauthorized changes in its instructions...
Instruction Manual
Page 5
...safety device is removed. • To avoid possible injuries keep fingers, head and clothes far from wheel, belt and motor when the machine is running . • To avoid possible injuries be careful when putting down , or remove the belt cover and the belt. • ...make noises while being driven.To avoid a possible accident caused by an unexpected start, be sure the machine is turned 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 ...
...safety device is removed. • To avoid possible injuries keep fingers, head and clothes far from wheel, belt and motor when the machine is running . • To avoid possible injuries be careful when putting down , or remove the belt cover and the belt. • ...make noises while being driven.To avoid a possible accident caused by an unexpected start, be sure the machine is turned 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 ...
Instruction Manual
Page 6
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
Page 7
... 65 55 High Speed Straight Lockstitch Sewing Machine | Instruction Manual and Parts List 4 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...
... 65 55 High Speed Straight Lockstitch Sewing Machine | Instruction Manual and Parts List 4 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...
Instruction Manual
Page 8
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
Page 9
... the four corners of the table by using nail '2', and the other two rubber cushion '3' on the four corners of the machine table groove. Figure 4 Figure 5 High Speed Straight Lockstitch Sewing Machine | Instruction Manual and Parts List 6 3.2 Oil Reservoir Installation The oil reservoir should rest on the hinge side 'B' are attached by nail...
... the four corners of the table by using nail '2', and the other two rubber cushion '3' on the four corners of the machine table groove. Figure 4 Figure 5 High Speed Straight Lockstitch Sewing Machine | Instruction Manual and Parts List 6 3.2 Oil Reservoir Installation The oil reservoir should rest on the hinge side 'B' are attached by nail...
Instruction Manual
Page 10
... '2' at hole A', 'B' with screws '4', '5' and washers '6'. 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 ... to the plate belt slot on the support with screws and washers. Insert support '1' in the threaded hole in the machine table for screws (Figure 6). Fix bobbin winder '7' at holes 'C', 'D'. The left and right parts of the cover hole...for the screw '5' is about 25 kgf×cm. Figure 6 High Speed Straight Lockstitch Sewing Machine | Instruction Manual and Parts List 7
... '2' at hole A', 'B' with screws '4', '5' and washers '6'. 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 ... to the plate belt slot on the support with screws and washers. Insert support '1' in the threaded hole in the machine table for screws (Figure 6). Fix bobbin winder '7' at holes 'C', 'D'. The left and right parts of the cover hole...for the screw '5' is about 25 kgf×cm. Figure 6 High Speed Straight Lockstitch Sewing Machine | Instruction Manual and Parts List 7
Instruction Manual
Page 11
... Figure 8 High Speed Straight Lockstitch Sewing Machine | Instruction Manual and Parts List 8 Before turning the machine on, fill oil reservoir '1' with the specified oil. When you operate the machine after lubrication, you first operate your machine after an extended period of disuse, run your machine at 2,000 to 2,500 spm for...-in. The minimum amount of the lubricating oil. When the oil level lowers below 'MIN' mark 'B', refill the oil reservoir with sewing machine oil up to the amount of oil is reached when marker dot 'A' is brought to needle bar crank '2' by turning the adjusting ...
... Figure 8 High Speed Straight Lockstitch Sewing Machine | Instruction Manual and Parts List 8 Before turning the machine on, fill oil reservoir '1' with the specified oil. When you operate the machine after lubrication, you first operate your machine after an extended period of disuse, run your machine at 2,000 to 2,500 spm for...-in. The minimum amount of the lubricating oil. When the oil level lowers below 'MIN' mark 'B', refill the oil reservoir with sewing machine oil up to the amount of oil is reached when marker dot 'A' is brought to needle bar crank '2' by turning the adjusting ...
Instruction Manual
Page 12
...be increased, and toward '-' in direction 'B', the oil amount will be decreased. After adjustment the machine must be idling for thirty seconds. It can be adjusted according to the different sewing process but it must be a suitable amount. Figure 9 Sample showing the appropriate amount of oil ...hook (Figure 11) Turning the oil adjusting screw of oil. The amount of time with a watch). 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 confirmation paper ...
...be increased, and toward '-' in direction 'B', the oil amount will be decreased. After adjustment the machine must be idling for thirty seconds. It can be adjusted according to the different sewing process but it must be a suitable amount. Figure 9 Sample showing the appropriate amount of oil ...hook (Figure 11) Turning the oil adjusting screw of oil. The amount of time with a watch). 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 confirmation paper ...
Instruction Manual
Page 13
... '1' with its stroke (Figure 12). Tighten the screw '2'. Make sure the long groove 'C' of the arrow until the needle bar reaches the highest point of sewing material used. Turn the hand wheel until it will go no further. Insert the needle in the direction of the needle is facing exactly to... to the count of thread and the type of its indented part 'A' facing exactly to the left in direction 'B'. 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.
... '1' with its stroke (Figure 12). Tighten the screw '2'. Make sure the long groove 'C' of the arrow until the needle bar reaches the highest point of sewing material used. Turn the hand wheel until it will go no further. Insert the needle in the direction of the needle is facing exactly to... to the count of thread and the type of its indented part 'A' facing exactly to the left in direction 'B'. 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.
Instruction Manual
Page 14
... 'C', the bobbin should be at the highest point of the arrow. Figure 14 High Speed Straight Lockstitch Sewing Machine | Instruction Manual and Parts List 11 By doing so, the thread will pass un- Thread the machine in the needle (Figure 14). Leave thread approximately 4 cm long in the order shown below. 3.8 Bobbin Case... thread open end is directed to the left as observed from notch 'B' (Figure 13). der the tension spring and come out from you. Figure 13 3.9 Machine Threading When threading the machine head, the needle bar should rotate in direction 'C'.
... 'C', the bobbin should be at the highest point of the arrow. Figure 14 High Speed Straight Lockstitch Sewing Machine | Instruction Manual and Parts List 11 By doing so, the thread will pass un- Thread the machine in the needle (Figure 14). Leave thread approximately 4 cm long in the order shown below. 3.8 Bobbin Case... thread open end is directed to the left as observed from notch 'B' (Figure 13). der the tension spring and come out from you. Figure 13 3.9 Machine Threading When threading the machine head, the needle bar should rotate in direction 'C'.
Instruction Manual
Page 15
... tension adjusting screw '2' clockwise (in direction 'C'), the bobbin thread tension will decrease. Figure 16 Figure 17 High Speed Straight Lockstitch Sewing Machine | Instruction Manual and Parts List 12 3.10 Stitch Length Adjustment Turn stitch length dial '1' in the direction of the arrow. ... in the direction of the arrow, and align the desired number to different sewing conditions. The indication of needle thread using tension adjusting nut '1' according to marker dot 'A' on the machine arm (Figure 15). Figure 15 3.11 Thread Tension Adjustment Adjusting needle thread...
... tension adjusting screw '2' clockwise (in direction 'C'), the bobbin thread tension will decrease. Figure 16 Figure 17 High Speed Straight Lockstitch Sewing Machine | Instruction Manual and Parts List 12 3.10 Stitch Length Adjustment Turn stitch length dial '1' in the direction of the arrow. ... in the direction of the arrow, and align the desired number to different sewing conditions. The indication of needle thread using tension adjusting nut '1' according to marker dot 'A' on the machine arm (Figure 15). Figure 15 3.11 Thread Tension Adjustment Adjusting needle thread...
Instruction Manual
Page 16
... is readjustment necessary. Adjusting the 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 tension post '3' counter clockwise (in direction 'A'), the stroke of the thread take-up spring will be decreased...
... is readjustment necessary. Adjusting the 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 tension post '3' counter clockwise (in direction 'A'), the stroke of the thread take-up spring will be decreased...
Instruction Manual
Page 17
... needle bar '2' in its original position when the lifter is 10 mm. Figure 20 Figure 21 3.14 Presser Foot Lifter Adjustment Turn the presser foot lifter '1' 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..., be sure that the bottom end of presser foot is turned down in direction 'A' to 13 mm by turning the knee lifter adjusting screw '1' (Figure 20).
... needle bar '2' in its original position when the lifter is 10 mm. Figure 20 Figure 21 3.14 Presser Foot Lifter Adjustment Turn the presser foot lifter '1' 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..., be sure that the bottom end of presser foot is turned down in direction 'A' to 13 mm by turning the knee lifter adjusting screw '1' (Figure 20).
Instruction Manual
Page 18
For general sewing of the fabrics, the standard height of the presser spring regulator '1' will be decreased. Turn the regulator '1' counter clockwise (in direction 'A'), the pressure of the presser foot will be increased (Figure 24). 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 around 33~36 mm (5 kg). ˜ 33 36mm Figure 24 High Speed Straight Lockstitch Sewing Machine | Instruction Manual and Parts List 15
For general sewing of the fabrics, the standard height of the presser spring regulator '1' will be decreased. Turn the regulator '1' counter clockwise (in direction 'A'), the pressure of the presser foot will be increased (Figure 24). 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 around 33~36 mm (5 kg). ˜ 33 36mm Figure 24 High Speed Straight Lockstitch Sewing Machine | Instruction Manual and Parts List 15
Instruction Manual
Page 19
... the feed eccentric cam in the direction of throat plate when the feed dog descends below the throat plate. Figure 25 High Speed Straight Lockstitch Sewing Machine | Instruction Manual and Parts List 16
... the feed eccentric cam in the direction of throat plate when the feed dog descends below the throat plate. Figure 25 High Speed Straight Lockstitch Sewing Machine | Instruction Manual and Parts List 16
Instruction Manual
Page 20
When the feed dog 'A' is tightening too much, the crank '1' will be above the top surface of crank '1'. Move the feed bar up or down to make a correct height. 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'. See description below height for height Figure 26 High Speed Straight Lockstitch Sewing Machine | Instruction Manual and Parts List 17 Loosen screw '2' of the throat plate 'B' as the below for each machine variety (Figure 26).
When the feed dog 'A' is tightening too much, the crank '1' will be above the top surface of crank '1'. Move the feed bar up or down to make a correct height. 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'. See description below height for height Figure 26 High Speed Straight Lockstitch Sewing Machine | Instruction Manual and Parts List 17 Loosen screw '2' of the throat plate 'B' as the below for each machine variety (Figure 26).
Instruction Manual
Page 21
... hook setscrews and turn the handwheel until the needle bar has been at the lowest point, loosen the setscrew '1'. Figure 27 High Speed Straight Lockstitch Sewing Machine | Instruction Manual and Parts List 18 Adjusting the height of needle '4', and make sure the clearance between the needle and the rotating hook '5' is too...
... hook setscrews and turn the handwheel until the needle bar has been at the lowest point, loosen the setscrew '1'. Figure 27 High Speed Straight Lockstitch Sewing Machine | Instruction Manual and Parts List 18 Adjusting the height of needle '4', and make sure the clearance between the needle and the rotating hook '5' is too...
Instruction Manual
Page 22
Tighten the setscrew '1' after adjustment. Figure 28 5,5mm Figure 29 High Speed Straight Lockstitch Sewing Machine | Instruction Manual and Parts List 19 3.19 Presser Bar Height Adjustment Loosen setscrew '1' (Figure 28) and adjust the height of the presser bar. When the presser foot rises to the highest, the distance between the throat plate and the presser foot is 5.5 mm (Figure 29).
Tighten the setscrew '1' after adjustment. Figure 28 5,5mm Figure 29 High Speed Straight Lockstitch Sewing Machine | Instruction Manual and Parts List 19 3.19 Presser Bar Height Adjustment Loosen setscrew '1' (Figure 28) and adjust the height of the presser bar. When the presser foot rises to the highest, the distance between the throat plate and the presser foot is 5.5 mm (Figure 29).