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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... 15 3.16 FeedTiming Adjustment 16 3.17 Feed Dog Height Adjustment 17 3.18 Needle to Rotating Hook Relation Adjustment 18 3.19 Presser Bar Height Adjustment 19 3.20 ThreadTake-Up Stroke Adjustment 20 4 Maintenance 21 4.1 Machine Head Cleaning 21 4.2 Lubrication 21 4.3 Safety Inspection 21 5 Troubleshooting 22
... 15 3.16 FeedTiming Adjustment 16 3.17 Feed Dog Height Adjustment 17 3.18 Needle to Rotating Hook Relation Adjustment 18 3.19 Presser Bar Height Adjustment 19 3.20 ThreadTake-Up Stroke Adjustment 20 4 Maintenance 21 4.1 Machine Head Cleaning 21 4.2 Lubrication 21 4.3 Safety Inspection 21 5 Troubleshooting 22
Instruction Manual
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... | Instruction Manual and Parts List 4 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 5.5/13.0 35.0 Large 1955...
... | Instruction Manual and Parts List 4 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 5.5/13.0 35.0 Large 1955...
Instruction Manual
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... will go back to over 10 mm, be sure that the bottom end of presser foot is turned down in direction 'B' (Figure 23). Figure 20 Figure 21 3.14 Presser Foot Lifter Adjustment Turn the presser foot lifter '1' in direction 'A' to 13 mm by turning the knee lifter adjusting screw ...'1' (Figure 20). Figure 22 Figure 23 High Speed Straight Lockstitch Sewing Machine | Instruction Manual and Parts List 14 The presser foot will go up to lift ...
... will go back to over 10 mm, be sure that the bottom end of presser foot is turned down in direction 'B' (Figure 23). Figure 20 Figure 21 3.14 Presser Foot Lifter Adjustment Turn the presser foot lifter '1' in direction 'A' to 13 mm by turning the knee lifter adjusting screw ...'1' (Figure 20). Figure 22 Figure 23 High Speed Straight Lockstitch Sewing Machine | Instruction Manual and Parts List 14 The presser foot will go up to lift ...
Instruction Manual
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When sewing light weight material, the thread guides '1' move to the left (in direction 'B') to increase the length of thread pulled out by the thread take -up . 3.20 Thread TakeUp Stroke Adjustment When sewing for heavy weight material, the thread guides '1' move to the right (in direction 'A') to decrease the length of thread pulled out by the thread take -up . Figure 30 High Speed Straight Lockstitch Sewing Machine | Instruction Manual and Parts List 20 When marker line 'C' on the thread guide '1' is aligned with the center of the screw that is standard (Figure 30).
When sewing light weight material, the thread guides '1' move to the left (in direction 'B') to increase the length of thread pulled out by the thread take -up . 3.20 Thread TakeUp Stroke Adjustment When sewing for heavy weight material, the thread guides '1' move to the right (in direction 'A') to decrease the length of thread pulled out by the thread take -up . Figure 30 High Speed Straight Lockstitch Sewing Machine | Instruction Manual and Parts List 20 When marker line 'C' on the thread guide '1' is aligned with the center of the screw that is standard (Figure 30).
Instruction Manual
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6.1 Frame and Cover Components No. Part No. 1 10101034 2 10122096 3 101S11010 4 10112024 5 10122005 Description Face plate Face plate gasket Screw SM1/8x44 L=4 Arm oil shield assembly Rubber plug Qty. 20 20C 30 30C 70 70C 111111 111111 111111 111111 222222 High Speed Straight Lockstitch Sewing Machine | Instruction Manual and Parts List 24
6.1 Frame and Cover Components No. Part No. 1 10101034 2 10122096 3 101S11010 4 10112024 5 10122005 Description Face plate Face plate gasket Screw SM1/8x44 L=4 Arm oil shield assembly Rubber plug Qty. 20 20C 30 30C 70 70C 111111 111111 111111 111111 222222 High Speed Straight Lockstitch Sewing Machine | Instruction Manual and Parts List 24
Instruction Manual
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...002 54 J900112-004 Description Rubber plug Screw SM3/16x28 L=9 Side plate Side plate gasket Rubber plug Rubber plug Frame Two-hole thread eyelet guide Singer "S" cameo Screw SM3/16 x 28 L=6 Right arm thread guide Screw SM11/64 x 40 L=6 Thread tension regulator assembly Thread tension regulator assembly...-up lever cover Safety label Thread guide rod assembly Thread guide rod Tension disk Tension spring Hinge screw Singer logo resin plate (front) Singer logo resin plate (back) Qty. 20 20C 30 30C 70 70C 111111 888888 111111 111111 111111 111111 111111 111111 111111 222222 111111 111111 111100 ...
...002 54 J900112-004 Description Rubber plug Screw SM3/16x28 L=9 Side plate Side plate gasket Rubber plug Rubber plug Frame Two-hole thread eyelet guide Singer "S" cameo Screw SM3/16 x 28 L=6 Right arm thread guide Screw SM11/64 x 40 L=6 Thread tension regulator assembly Thread tension regulator assembly...-up lever cover Safety label Thread guide rod assembly Thread guide rod Tension disk Tension spring Hinge screw Singer logo resin plate (front) Singer logo resin plate (back) Qty. 20 20C 30 30C 70 70C 111111 888888 111111 111111 111111 111111 111111 111111 111111 222222 111111 111111 111100 ...
Instruction Manual
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... 10105002 9 101S15007 10 101S15004 11 10104001 12 101S15002 13 10122010 14 101S11003 15 10110003 400058 16 101S11013 17 10103001 18 10122008 19 H03002 20 10108001 21 101S15007 22 10103004 23 10112003 24 10103003 25 101S15006 26 10112017 27 10135007 28 101S15008 29 10102001 30 10122012 31 101S11005 Description ...shaft bushing (middle) Screw Thrust collar Hand wheel Screw SM15/64 x 28 L=15 Arm shaft Roller felt Oil amount adjusting pin Qty. 20 20C 30 30C 70 70C 111111 111111 111111 110000 001100 000011 222222 110000 001100 000011 111111 111111 111111 111111 222222 111111 111111 111100 000011 ...
... 10105002 9 101S15007 10 101S15004 11 10104001 12 101S15002 13 10122010 14 101S11003 15 10110003 400058 16 101S11013 17 10103001 18 10122008 19 H03002 20 10108001 21 101S15007 22 10103004 23 10112003 24 10103003 25 101S15006 26 10112017 27 10135007 28 101S15008 29 10102001 30 10122012 31 101S11005 Description ...shaft bushing (middle) Screw Thrust collar Hand wheel Screw SM15/64 x 28 L=15 Arm shaft Roller felt Oil amount adjusting pin Qty. 20 20C 30 30C 70 70C 111111 111111 111111 110000 001100 000011 222222 110000 001100 000011 111111 111111 111111 111111 222222 111111 111111 111100 000011 ...
Instruction Manual
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... bar connection Screw SM9/64 x 40 L=6 Slide block Needle bar thread guide Needle bar thread guide Needle bar bushing (lower) Needle bar bushing (lower) Qty. 20 20C 30 30C 70 70C 111111 111111 110000 001100 000011 111111 111111 111111 110000 001111 110000 001111 High Speed Straight Lockstitch Sewing Machine | Instruction Manual...
... bar connection Screw SM9/64 x 40 L=6 Slide block Needle bar thread guide Needle bar thread guide Needle bar bushing (lower) Needle bar bushing (lower) Qty. 20 20C 30 30C 70 70C 111111 111111 110000 001100 000011 111111 111111 111111 110000 001111 110000 001111 High Speed Straight Lockstitch Sewing Machine | Instruction Manual...
Instruction Manual
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... 11 1955-01 1955-01 1955-01 12 10125004 13 101S15009 14 10125003 15 10125002 16 10125001 17 10102007 18 10118003 10818501 19 10103017 20 101S15006 21 10103016 22 10103015 23 10118504 10118001 10118505 10118509 11018001 10818001 24 10108002 25 101S11012 26 10112016 10112032 27 101S11011 28 1010000000 29 ...case Bobbin case Bobbin case Oil wick Oil seal screw Screw SM3/16 x 28 L=12 Needle bar slid block guide Screw SM11/64x40 L=8 Qty. 20 20C 30 30C 70 70C 111111 111111 110000 001100 000011 111111 888888 111111 111111 111111 111111 111100 000011 111111 111111 111111 111111 100000 010000 001000...
... 11 1955-01 1955-01 1955-01 12 10125004 13 101S15009 14 10125003 15 10125002 16 10125001 17 10102007 18 10118003 10818501 19 10103017 20 101S15006 21 10103016 22 10103015 23 10118504 10118001 10118505 10118509 11018001 10818001 24 10108002 25 101S11012 26 10112016 10112032 27 101S11011 28 1010000000 29 ...case Bobbin case Bobbin case Oil wick Oil seal screw Screw SM3/16 x 28 L=12 Needle bar slid block guide Screw SM11/64x40 L=8 Qty. 20 20C 30 30C 70 70C 111111 111111 110000 001100 000011 111111 888888 111111 111111 111111 111111 111100 000011 111111 111111 111111 111111 100000 010000 001000...
Instruction Manual
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...1011600400 1011600800 9 H05009 10 10112010 11 H05009 12 101S20004 13 101S20003 14 10112014 15 10126003 16 10112013 17 H05009 18 10127008 19 10127003 20 10126003 21 10112012 22 101S20002 23 101S30004 24 101S16002 25 10102003 26 10127005 10127018 27 10109003 28 10102004 29 10113008 30 101S15007 31 101S11005... 40 L=8 Screw SM 9/64 x 40 L=8.5 Presser bar bushing (lower) Screw SM9/64 x 40 L=I0.5 Washer Presser bar oil protection bushing Qty. 20 20C 30 30C 70 70C 111111 111111 111111 111111 111111 111111 222222 110000 001100 000011 333333 111111 111111 111111 111111 111111 111111 111111 222222 111111...
...1011600400 1011600800 9 H05009 10 10112010 11 H05009 12 101S20004 13 101S20003 14 10112014 15 10126003 16 10112013 17 H05009 18 10127008 19 10127003 20 10126003 21 10112012 22 101S20002 23 101S30004 24 101S16002 25 10102003 26 10127005 10127018 27 10109003 28 10102004 29 10113008 30 101S15007 31 101S11005... 40 L=8 Screw SM 9/64 x 40 L=8.5 Presser bar bushing (lower) Screw SM9/64 x 40 L=I0.5 Washer Presser bar oil protection bushing Qty. 20 20C 30 30C 70 70C 111111 111111 111111 111111 111111 111111 222222 110000 001100 000011 333333 111111 111111 111111 111111 111111 111111 111111 222222 111111...
Instruction Manual
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... screw Spring Pin Feed dial Feed dial Screw SM3/16X28 L=18 Feed rock shaft crank connecting rod Feed rock shaft crank connecting rod Pin Qty. 20 20C 30 30C 70 70C 111100 000011 111111 111111 111111 111111 111111 111111 111100 000011 111111 111100 000011 111110 High Speed Straight Lockstitch Sewing Machine...
... screw Spring Pin Feed dial Feed dial Screw SM3/16X28 L=18 Feed rock shaft crank connecting rod Feed rock shaft crank connecting rod Pin Qty. 20 20C 30 30C 70 70C 111100 000011 111111 111111 111111 111111 111111 111111 111100 000011 111111 111100 000011 111110 High Speed Straight Lockstitch Sewing Machine...
Instruction Manual
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...Mechanism Components No. Part No. 12 101S11005 13 10105004 14 10122016 15 10127012 12227001 16 H05009 17 1010400500 18 101S17003 19 H05009 20 101S11005 21 1012007 22 10109005 23 10109004 24 1010100200 25 10126009 26 101S15010 27 101S11005 28 10126013 29 H03001 30 10114001 10114004 ... SM1/4 x 40 L=10 Adjusting link spring guide Reverse feed spring Reverse feed spring Screw SMI 1/64 X 40 L=5 Screw Washer Feed adjusting shaft Qty. 20 20C 30 30C 70 70C 111111 111111 111111 111100 000011 111111 111111 111111 111111 222222 222222 222222 222222 111111 222222 222222 222222 111111 111111 110000...
...Mechanism Components No. Part No. 12 101S11005 13 10105004 14 10122016 15 10127012 12227001 16 H05009 17 1010400500 18 101S17003 19 H05009 20 101S11005 21 1012007 22 10109005 23 10109004 24 1010100200 25 10126009 26 101S15010 27 101S11005 28 10126013 29 H03001 30 10114001 10114004 ... SM1/4 x 40 L=10 Adjusting link spring guide Reverse feed spring Reverse feed spring Screw SMI 1/64 X 40 L=5 Screw Washer Feed adjusting shaft Qty. 20 20C 30 30C 70 70C 111111 111111 111111 111100 000011 111111 111111 111111 111111 222222 222222 222222 222222 111111 222222 222222 222222 111111 111111 110000...
Instruction Manual
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... 7 10127015 8 1012701500 9 10112023 10 10123001 11 10121003 12 10112022 13 101S11026 14 10127014 15 101S30009 16 1012000100 17 10112020 18 101S11011 19 10120001 20 10111003 21 101S30006 22 10111007 23 10112021 24 10122018 25 10127013 26 101S30007 27 10121001 28 101S11011 29 10136001 30 101S11010 31 10112025 32 10112026...tube Screw SM11/64 x 40 L=9.5 Oil tube joint Oil wick set plate screw Oil wick set plate assembly Presser plate Screw Qty. 20 20C 30 30C 70 70C 111111 111111 111111 111111 111111 111111 111111 111111 111111 111111 111111 111111 111111 111111 111111 111111 111111 333333 111111 ...
... 7 10127015 8 1012701500 9 10112023 10 10123001 11 10121003 12 10112022 13 101S11026 14 10127014 15 101S30009 16 1012000100 17 10112020 18 101S11011 19 10120001 20 10111003 21 101S30006 22 10111007 23 10112021 24 10122018 25 10127013 26 101S30007 27 10121001 28 101S11011 29 10136001 30 101S11010 31 10112025 32 10112026...tube Screw SM11/64 x 40 L=9.5 Oil tube joint Oil wick set plate screw Oil wick set plate assembly Presser plate Screw Qty. 20 20C 30 30C 70 70C 111111 111111 111111 111111 111111 111111 111111 111111 111111 111111 111111 111111 111111 111111 111111 111111 111111 333333 111111 ...
Instruction Manual
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...10122021 8 101112027 9 10127016 10 H05010 11 10101008 12 101S12003 13 101S16004 14 101S15012 15 101S12002 16 10102011 17 1011202800 18 10122024 19 10112028 20 10122025 21 10112029 22 10112030 23 101S12004 24 10122022 25 10122023 26 101S30010 Description Knee presser lift rod Oil reservoir assembly Oil reservoir Gasket ... lifter plate Knee lifter plate holder Screw SM15/64 x 28 L=15 Oil reservoir felt cushion Oil reservoir rubber cushion Nail Qty. 20 20C 30 30C 70 70C 111111 111111 111111 111111 111111 444444 111111 111111 111111 111111 111111 111111 222222 222222 222222 111111 111111 111111...
...10122021 8 101112027 9 10127016 10 H05010 11 10101008 12 101S12003 13 101S16004 14 101S15012 15 101S12002 16 10102011 17 1011202800 18 10122024 19 10112028 20 10122025 21 10112029 22 10112030 23 101S12004 24 10122022 25 10122023 26 101S30010 Description Knee presser lift rod Oil reservoir assembly Oil reservoir Gasket ... lifter plate Knee lifter plate holder Screw SM15/64 x 28 L=15 Oil reservoir felt cushion Oil reservoir rubber cushion Nail Qty. 20 20C 30 30C 70 70C 111111 111111 111111 111111 111111 444444 111111 111111 111111 111111 111111 111111 222222 222222 222222 111111 111111 111111...
Instruction Manual
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...7 101S30012 8 101S11029 9 101S11030 10 10128007 11 101S30011 12 10128006 13 1011203200 14 10112037 15 S04006 16 10112038 17 10127018 18 101S16005 19 S04006 20 10112035 21 10122027 22 10112036 23 10120006 24 S04017 25 S04006 26 10128001 27 10112032 28 10101010 29 10102012 30 101S30014 31 10128008 32 1013100900...Screw Thread guide Spool pin Spring washer Washer Nut Spool rest Spool retainer Washer Spring washer Nut Screw Nut Spool rest cushion Qty. 20 20C 30 30C 70 70C 111111 111111 111111 111111 111111 111111 222222 111111 111111 222222 222222 111111 111111 111111 222222 111111 111111 111111 ...
...7 101S30012 8 101S11029 9 101S11030 10 10128007 11 101S30011 12 10128006 13 1011203200 14 10112037 15 S04006 16 10112038 17 10127018 18 101S16005 19 S04006 20 10112035 21 10122027 22 10112036 23 10120006 24 S04017 25 S04006 26 10128001 27 10112032 28 10101010 29 10102012 30 101S30014 31 10128008 32 1013100900...Screw Thread guide Spool pin Spring washer Washer Nut Spool rest Spool retainer Washer Spring washer Nut Screw Nut Spool rest cushion Qty. 20 20C 30 30C 70 70C 111111 111111 111111 111111 111111 111111 222222 111111 111111 222222 222222 111111 111111 111111 222222 111111 111111 111111 ...
Instruction Manual
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... #18 Needle #21 Screw driver (large) Screw driver (medium) Screw driver (small) Bobbin Bobbin Dust cover Machine rest pin Oil container Oil reservoir magnet Qty. 20 20C 30 30C 70 70C 222222 222222 444444 330000 003300 000033 111111 111111 111111 333300 000033 111111 111111 111111 111111 High Speed Straight Lockstitch Sewing...
... #18 Needle #21 Screw driver (large) Screw driver (medium) Screw driver (small) Bobbin Bobbin Dust cover Machine rest pin Oil container Oil reservoir magnet Qty. 20 20C 30 30C 70 70C 222222 222222 444444 330000 003300 000033 111111 111111 111111 333300 000033 111111 111111 111111 111111 High Speed Straight Lockstitch Sewing...