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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... to sew materials as indicated in its instructions manual, and indications of use should only be held responsible for any damage caused by qualified personnel. Singer will not be made by unauthorized changes in the product. If any electric device is not running the machine, make sure all instructions before using... be performed by properly trained personnel. • Maintenance and repair on electric equipment should be followed. High Speed Straight Lockstitch Sewing Machine | Instruction Manual and Parts List 1
... to sew materials as indicated in its instructions manual, and indications of use should only be held responsible for any damage caused by qualified personnel. Singer will not be made by unauthorized changes in the product. If any electric device is not running the machine, make sure all instructions before using... be performed by properly trained personnel. • Maintenance and repair on electric equipment should be followed. High Speed Straight Lockstitch Sewing Machine | Instruction Manual and Parts List 1
Instruction Manual
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... always turn it 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...
... always turn it 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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...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 ...20 / 20C 191C-30 / 30C 191C-70 / 70C 5,000 - - 4,500 4,500 - - 4,000 - - 3,500 - - - 3,000 - - 2,500 Motor Pulley Diameter [mm] 50 Hz 60 Hz 125 105 115 95 100 85 90 75 75 65 65 55 High Speed Straight Lockstitch Sewing Machine | Instruction Manual and Parts...
...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 ...20 / 20C 191C-30 / 30C 191C-70 / 70C 5,000 - - 4,500 4,500 - - 4,000 - - 3,500 - - - 3,000 - - 2,500 Motor Pulley Diameter [mm] 50 Hz 60 Hz 125 105 115 95 100 85 90 75 75 65 65 55 High Speed Straight Lockstitch Sewing Machine | Instruction Manual and Parts...
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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... The oil reservoir should rest on the four corners of the table (Figures 4 and 5). 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...
... The oil reservoir should rest on the four corners of the table (Figures 4 and 5). 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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Figure 6 High Speed Straight Lockstitch Sewing Machine | Instruction Manual and Parts List 7 Install the front belt cover '3' and get the hand wheel in the middle of the bobbin winder should be parallel to the plate belt ... screws and washers. Install the back belt cover '2' at hole A', 'B' with screws '4', '5' and washers '6'. Drill four holes 'A', 'B', 'C' and 'D', in the housing. The left and right parts of the cover hole.
Figure 6 High Speed Straight Lockstitch Sewing Machine | Instruction Manual and Parts List 7 Install the front belt cover '3' and get the hand wheel in the middle of the bobbin winder should be parallel to the plate belt ... screws and washers. Install the back belt cover '2' at hole A', 'B' with screws '4', '5' and washers '6'. Drill four holes 'A', 'B', 'C' and 'D', in the housing. The left and right parts of the cover hole.
Instruction Manual
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... position just opposite from the needle bar crank by turning the adjusting pin '1' in direction 'C'. Figure 8 High Speed Straight Lockstitch Sewing Machine | Instruction Manual and Parts List 8 Figure 7 3.5 Thread Take-up or after an extended period of disuse, run your machine after set up Lever Oil Supply Adjustment Adjust the amount...
... position just opposite from the needle bar crank by turning the adjusting pin '1' in direction 'C'. Figure 8 High Speed Straight Lockstitch Sewing Machine | Instruction Manual and Parts List 8 Figure 7 3.5 Thread Take-up or after an extended period of disuse, run your machine after set up Lever Oil Supply Adjustment Adjust the amount...
Instruction Manual
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... oil adjusting screw of oil confirmation paper must be confirmed the state of oil. 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 can be idling for 3 minutes (Moderate intermittent operation). Otherwise the...
... oil adjusting screw of oil confirmation paper must be confirmed the state of oil. 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 can be idling for 3 minutes (Moderate intermittent operation). Otherwise the...
Instruction Manual
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Loosen screw '2' and hold needle '1' with its indented part 'A' facing exactly to the right in the direction of the arrow until the needle bar reaches the highest point of sewing material used. 3.7 Needle Attachment ...Caution Choose a proper needle size according to the left in direction 'D'. Figure 12 High Speed Straight Lockstitch Sewing Machine | Instruction Manual and Parts List 10 Insert the needle in direction 'B'. Tighten the screw '2'. Make sure the long groove 'C' of the needle is facing exactly to the count of...
Loosen screw '2' and hold needle '1' with its indented part 'A' facing exactly to the right in the direction of the arrow until the needle bar reaches the highest point of sewing material used. 3.7 Needle Attachment ...Caution Choose a proper needle size according to the left in direction 'D'. Figure 12 High Speed Straight Lockstitch Sewing Machine | Instruction Manual and Parts List 10 Insert the needle in direction 'B'. Tighten the screw '2'. Make sure the long groove 'C' of the needle is facing exactly to the count of...
Instruction Manual
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... as observed from notch 'B' (Figure 13). By doing so, the thread will pass un- Figure 14 High Speed Straight Lockstitch Sewing Machine | Instruction Manual and Parts List 11 Figure 13 3.9 Machine Threading When threading the machine head, the needle bar should rotate in direction 'C'. Leave thread approximately 4 cm long in the...
... as observed from notch 'B' (Figure 13). By doing so, the thread will pass un- Figure 14 High Speed Straight Lockstitch Sewing Machine | Instruction Manual and Parts List 11 Figure 13 3.9 Machine Threading When threading the machine head, the needle bar should rotate in direction 'C'. Leave thread approximately 4 cm long in the...
Instruction Manual
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... Length Adjustment Turn stitch length dial '1' in direction 'B'), the tension will decrease. 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, and align the desired number...
... Length Adjustment Turn stitch length dial '1' in direction 'B'), the tension will decrease. 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, and align the desired number...
Instruction Manual
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... out thread tension assembly '5'. Loosen setting screw '4' and turn the tension post '3'. 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 'B'), the pressure will be decreased. • Usually, the thread take -up spring will be...
... out thread tension assembly '5'. Loosen setting screw '4' and turn the tension post '3'. 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 'B'), the pressure will be decreased. • Usually, the thread take -up spring will be...
Instruction Manual
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... bar '2' 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 Figure 20 Figure 21 3.14 Presser Foot Lifter Adjustment Turn the presser foot lifter '1' in direction 'B' (Figure 23). The presser foot will go up to... the presser foot lift up about 5.5 mm and stop. When the presser foot lifts to 13 mm by turning the knee lifter adjusting screw '1' (Figure 20).
... bar '2' 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 Figure 20 Figure 21 3.14 Presser Foot Lifter Adjustment Turn the presser foot lifter '1' in direction 'B' (Figure 23). The presser foot will go up to... the presser foot lift up about 5.5 mm and stop. When the presser foot lifts to 13 mm by turning the knee lifter adjusting screw '1' (Figure 20).
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). Tighten nut '2'. For general sewing of the fabrics, the standard height of the presser spring regulator '1' 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 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
Turn the regulator '1' counter clockwise (in direction 'A'), the pressure of the presser foot will be increased (Figure 24). Tighten nut '2'. For general sewing of the fabrics, the standard height of the presser spring regulator '1' 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 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
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... If the feed eccentric cam is moved too far, the needle will be broken. Figure 25 High Speed Straight Lockstitch Sewing Machine | Instruction Manual and Parts List 16 For the standard adjustment, adjust so that the top surface of feed dog and the top end of needle eyelet are flush with...
... If the feed eccentric cam is moved too far, the needle will be broken. Figure 25 High Speed Straight Lockstitch Sewing Machine | Instruction Manual and Parts List 16 For the standard adjustment, adjust so that the top surface of feed dog and the top end of needle eyelet are flush with...
Instruction Manual
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Move the feed bar up or down to make a correct height. Securely tighten screw '2'. 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'. 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.
Move the feed bar up or down to make a correct height. Securely tighten screw '2'. 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'. 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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..., loosen the setscrew '1'. When replacing the rotating hook, it will cause the skip stitch. 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.
..., loosen the setscrew '1'. When replacing the rotating hook, it will cause the skip stitch. 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.