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Singer 191D manual

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Table of contents for the manual

  • Page 1

    High Speed Straight L oc kstitc h S ewing Mac hine Instr uction Manual and P ar ts List ® Singer is a registered trademark of The Singer Company Limited or its affiliated companies. © 20 09 Copyright The Singer Compan y Limited 1 91 D 20 / 20C 30 / 30C 70 / 70C[...]

  • Page 2

    Cont ents 1 Safety Instructions 1 1 .1 Important S afety Instructions 1 1 .2 Safe Operation 2 2 Product Description and Mac hine Specification 3 2.1 Product Description 3 2.2 Mac hine Specification 4 2.3 Motor , Motor Pulley and V -Belt Specifications 4 3 Setup and Adjustment Instructions 5 3.1 T able Cut-Out Drawing 5 3.2 Oil Reserv oir Install[...]

  • Page 3

    Cont ents 6 P arts List 23 6.1 Frame and Co ver Components 24 6.2 Arm Shaf t and Thread T ak e-Up Lever Components 26 6.3 Needle Bar , Upright Shaft and R otating Hook Driving Shaft Components 28 6.4 Presser F oot Components 30 6.5 Feed Mec hanism Components 32 6.6 Lubrication Components 34 6.7 Oil Reserv oir Components 36 6.8 Belt Cover , Bobbin W[...]

  • Page 4

    1 High Speed Straight Lockstitch Sewing Machine | Instruction Manual and Parts List Saf ety Instr uctions 1 .1 Impor tant Saf ety Instr uctions Impor tant • Be fo r e ru nn in g th e ma c h in e , ma ke su r e al l rel e va nt sa fe t y specifica- tions are adequate to specifica- tions and tec hnical standards in your country . • The mac hine s[...]

  • Page 5

    2 High Speed Straight Lockstitch Sewing Machine | Instruction Manual and Parts List • T o avoid the risk of electric shoc k, do not open the motor wiring box and do not touc h the components assembled inside the wiring box. • T o avoid injuries do not run the mac hine without the belt cover or in case any other safety device is removed. • T o[...]

  • Page 6

    3 High Speed Straight Lockstitch Sewing Machine | Instruction Manual and Parts List High Speed Straight Loc kstitc h Sewing Machine Pr oduct Descr iption and Mac hine Specification 2.1 Pr oduct Descr iption[...]

  • Page 7

    4 High Speed Straight Lockstitch Sewing Machine | Instruction Manual and Parts List 2.2 2.3 Mac hine Specification Mot or , Mot or Pulle y and V -Belt Specifications • ½ HP (40 0W) 2-pole (high speed) clutc h motor • M type v -belt Singer Model Application Maximum Speed [spm] Stitc h Length [mm] Height of Presser F oot by hand / by knee [mm][...]

  • Page 8

    5 High Speed Straight Lockstitch Sewing Machine | Instruction Manual and Parts List Set up and Adjustment Instr uctions 3.1 T able Cut-Out Dr awing Figure 1 535 200 480 115 + 1 - 0 95 206 28 108 68.1 339.7 2-12.75 4 -R 1 0 2-R18 2-12.75 2 -R 2 2 . 5 181 130 22 4-R10 2-R20 2-R20 2-R30 50 2-DEEP 17 2-80 4-R1 0 28 66 33 Ø8.5 Ø 2 4 DEEP 1 159 Ø 1 6 [...]

  • Page 9

    6 High Speed Straight Lockstitch Sewing Machine | Instruction Manual and Parts List Oil Reserv oir Installation 3.2 The oil reservoir should rest on the four corners of the mac hine table groove. T wo rubber seats ‘1’ for supporting the head por tion on the operator side ‘ A ’ are fixed on the extended T wo hinges ‘1’ fit into the hol[...]

  • Page 10

    7 High Speed Straight Lockstitch Sewing Machine | Instruction Manual and Parts List 3.3 Belt Co ver and Bobbin Winder Installation F or saf et y , the belt cov er should be installed. The lef t and right parts of the bobbin winder should be parallel to the plate belt slot on the mac hine t able. Caution Figure 6 Drill four holes ‘ A ’ , ‘B’[...]

  • Page 11

    8 High Speed Straight Lockstitch Sewing Machine | Instruction Manual and Parts List 3.5 Thr ead T ak e-up Lev er Oil Supply A djustment Adjust the amount of oil supplied to the thread tak e-up and needle bar crank ‘2’ by turning adjusting pin ’1’ (Figure 8). The minimum amount of oil is reac hed when mark er dot ‘ A ’ is brought close t[...]

  • Page 12

    9 High Speed Straight Lockstitch Sewing Machine | Instruction Manual and Parts List 3.6 Rotating Hook Oil Supply A djustment Unused mac hine should run idle for 3 minutes (Moderate intermit tent operation). The am oun t o f o il confir mat ion pap er mus t be ins er te d in the sta te whe n the ma c hine is ru nnin g ( Fig ure 9). Sample showing t[...]

  • Page 13

    1 0 High Speed Straight Lockstitch Sewing Machine | Instruction Manual and Parts List 3.7 Needle At tac hment T u rn th e h an d wh e el u nt i l th e ne e - d l e b a r r e a c h e s t h e h i g he s t p o i n t of i t s s t ro k e ( Fi g u re 1 2 ) . Loo s e n s c re w ‘ 2 ’ a n d h ol d n e e d l e ‘1’ w i th i t s i n d e nt e d p a r t[...]

  • Page 14

    1 1 High Speed Straight Lockstitch Sewing Machine | Instruction Manual and Parts List 3.8 3.9 Bobbin Case At tac hment Mac hine Thr eading Fix the bob bin into bob bin cas e wit h tha t th e th rea d ope n en d is dir ect ed to the le f t a s ob ser ved fr om y ou. P ass the thread through thread slit ‘ A ’ , and pulls it in direction ‘C’ .[...]

  • Page 15

    12 High Speed Straight Lockstitch Sewing Machine | Instruction Manual and Parts List 3.1 0 3.1 1 Stitc h Length A djustment Thr ead T ension A djustment T urn stitc h length dial ‘1’ in the direc- tion of the arrow , and align the de- sired number to mark er dot ‘ A ’ on the mac hine arm (Figure 15). The indication of the dial is in milli- [...]

  • Page 16

    13 High Speed Straight Lockstitch Sewing Machine | Instruction Manual and Parts List 3.12 Thr ead T ak e-Up Spr ing A djustment The adjustment of the strok e of the thr ead tak e-up spr ing (Figur e 1 8) Loosen set ting screw ‘2’ . T urn the thread tension post ‘3’ cloc kwise (in direction ‘ A ’ ), the stroke of the thread take-up sprin[...]

  • Page 17

    1 4 High Speed Straight Lockstitch Sewing Machine | Instruction Manual and Parts List 3.13 3.14 Knee Lif t er Height A djustment Pr esser F oot Lif t er A djustment When using the knee lifter , the standard height of presser foot is 1 0 mm. Y ou can adjust the presser foot lift up to 13 mm by turning the knee lif ter adjusting screw ‘1’ (Figure[...]

  • Page 18

    15 High Speed Straight Lockstitch Sewing Machine | Instruction Manual and Parts List 3.15 Pr esser F oot Pr essur e A djustment Loosen the nut ’2’ , and turn the presser spring regulator ‘1’ cloc k- wise (in direction ‘ A ’ ), the pressure of the presser foot will be increased (Figure 24). T urn the regulator ‘1’ counter cloc k- wis[...]

  • Page 19

    16 High Speed Straight Lockstitch Sewing Machine | Instruction Manual and Parts List 3.16 F eed Timing A djustment Loosen screws ‘2’ and ‘3’ in feed eccentric cam ‘1’ , mo ve the feed eccentric cam ‘1’ in the direction of the arrow or opposite direction of the arrow , and firmly tighten the screws ‘2’ and ‘3’ (Figure 25). F[...]

  • Page 20

    17 High Speed Straight Lockstitch Sewing Machine | Instruction Manual and Parts List 3.1 7 F eed Dog Height A djustment When the feed dog ‘ A ’ is at its high- est position, the teeth should be above the top surface of the throat plate ‘B’ as the below height for eac h mac hine variety (Figure 26). Loosen screw ‘2’ of crank ‘1’ . Mo[...]

  • Page 21

    18 High Speed Straight Lockstitch Sewing Machine | Instruction Manual and Parts List 3.1 8 Needle t o Rotating Hook Relation A djustment Adjusting the height of the needle bar (Figur e 27) T urn the handwheel until the nee- dle bar has been at the lowest point, loosen the setscrew ‘1’ . The line ‘ A ’ on the needle bar ‘2’ align with th[...]

  • Page 22

    1 9 High Speed Straight Lockstitch Sewing Machine | Instruction Manual and Parts List 3.1 9 Pr esser Bar Height A djustment 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 [...]

  • Page 23

    20 High Speed Straight Lockstitch Sewing Machine | Instruction Manual and Parts List 3.20 Thr ead T ak e- Up Str ok e A djustment When sewing for heavy weight ma- terial, the thread guides ‘1’ move to the lef t (in direction ‘ A ’ ) to increase the length of thread pulled out by the thread take-up. When sewing light weight material, the thr[...]

  • Page 24

    21 High Speed Straight Lockstitch Sewing Machine | Instruction Manual and Parts List Maint enance 4 4.1 4.2 4.3 Mac hine Head Cleaning Lubr ication Saf ety Inspection Clean the mac hine periodically with a soft and dry cloth to remove the excess of dust on the mac hine head. Do not use an y kind of lacquer thin- ner to wipe the surface. If the mac [...]

  • Page 25

    22 High Speed Straight Lockstitch Sewing Machine | Instruction Manual and Parts List T r oubleshooting Problems Possible Causes Possible S olutions Needle break 1 . Needle is installed wrong 1 . Install needle correctly 2. W rong needle type or size 2. Use proper needle for f abric and thread 3. Needle is bended 3. Replace needle 4. W rong relation[...]

  • Page 26

    23 High Speed Straight Lockstitch Sewing Machine | Instruction Manual and Parts List P ar ts List[...]

  • Page 27

    24 High Speed Straight Lockstitch Sewing Machine | Instruction Manual and Parts List 6.1 F rame and Co ver Components 1 1 0 10 1 034 Face plate 1 1 1 1 1 1 2 1 0 122096 Face plate g asket 1 1 1 1 1 1 3 1 0 1S1 1 0 1 0 Screw SM1/8x44 L=4 1 1 1 1 1 1 4 1 0 1 1 2024 Arm oil shield assembly 1 1 1 1 1 1 5 1 0 1220 05 Rubber plug 2 2 2 2 2 2 No. Par t No[...]

  • Page 28

    No. Par t No. Description Qty . 20 20C 30 30C 70 70C 25 High Speed Straight Lockstitch Sewing Machine | Instruction Manual and Parts List 6 1 0 1220 03 Rubber plug 1 1 1 1 1 1 7 1 0 1S1 1 0 0 1 Screw SM3/1 6x28 L=9 8 8 8 8 8 8 8 1 0 1 1 2063 Side plate 1 1 1 1 1 1 9 1 0 122097 Side plate gasket 1 1 1 1 1 1 1 0 1 0 1220 06 Rubber plug 1 1 1 1 1 1 1 [...]

  • Page 29

    26 High Speed Straight Lockstitch Sewing Machine | Instruction Manual and Parts List 6.2 Ar m Shaft and Thr ead T ak e-Up Lever Components[...]

  • Page 30

    No. Par t No. Description Qty . 20 20C 30 30C 70 70C 27 High Speed Straight Lockstitch Sewing Machine | Instruction Manual and Parts List 1 1 0 1260 0 1 Thread take-up crank shaft 1 1 1 1 1 1 2 1 0 1S150 0 1 S crew SM15/64 x 28 L=1 0.5 1 1 1 1 1 1 3 1 0 1S30 0 1 Screw 1 1 1 1 1 1 4 1 0 10500 1 Thread take-up lever link 1 1 0 0 0 0 1 0 105006 Thread[...]

  • Page 31

    28 High Speed Straight Lockstitch Sewing Machine | Instruction Manual and Parts List 6.3 Needle Bar , Upr ight Shaft and Rotating Hook Dr iving Shaft Components No. Par t No. Description Qty . 20 20C 30 30C 70 70C 1 1 0 1220 13 Cap 1 1 1 1 1 1 2 1 0 103009 Needle bar bushing (upper) 1 1 1 1 1 1 3 1 0 102002 Needle bar 1 1 0 0 0 0 1 0 1020 12 Needle[...]

  • Page 32

    No. Par t No. Description Qty . 20 20C 30 30C 70 70C 29 High Speed Straight Lockstitch Sewing Machine | Instruction Manual and Parts List 6.3 Needle Bar , Upr ight Shaft and Rotating Hook Dr iving Shaft Components 9 1 0 1S1 1 0 06 Screw SM 1/8 x 44 L=4.5 1 1 1 1 1 1 1 0 1 0 1 1 30 02 Needle bar thread guide 1 1 1 1 1 1 1 1 1 955-0 1 Needle #1 4 1 1[...]

  • Page 33

    30 High Speed Straight Lockstitch Sewing Machine | Instruction Manual and Parts List 6.4 Pr esser F oot Components[...]

  • Page 34

    No. Par t No. Description Qty . 20 20C 30 30C 70 70C 31 High Speed Straight Lockstitch Sewing Machine | Instruction Manual and Parts List 1 1 0 1 1 100 1 Hand lifter 1 1 1 1 1 1 2 1 0 1S1 1 0 1 0 Screw SM9/64 x 40 L=9.5 1 1 1 1 1 1 3 O0 1 0 04 Rubber ring 1 1 1 1 1 1 4 1 0 1 1 0 0 020 0 Hand lifter cam assembly 1 1 1 1 1 1 5 1 0 1 1 20 1 1 0 0 Hand[...]

  • Page 35

    32 High Speed Straight Lockstitch Sewing Machine | Instruction Manual and Parts List 6.5 F eed Mechanism Components No. Par t No. Description Qty . 20 20C 30 30C 70 70C 1 1 0 1 05005 Feed regulator connecting rod 1 1 1 1 0 0 12212003 Feed regulator connecting rod 0 0 0 0 1 1 2 1 0 1260 16 Feed regulator pin 1 1 1 1 1 1 3 1 0 10 1004 Feed regulator [...]

  • Page 36

    No. Par t No. Description Qty . 20 20C 30 30C 70 70C 33 High Speed Straight Lockstitch Sewing Machine | Instruction Manual and Parts List 6.5 F eed Mechanism Components 12 1 0 1S1 1005 Screw SM9/64x 40 L=6 1 1 1 1 1 1 13 1 0 1 05004 Feed lif ting roc k shaft crank connecting rod 1 1 1 1 1 1 14 1 0 1220 16 Rubber ring 1 1 1 1 1 1 15 1 01 270 12 Spri[...]

  • Page 37

    34 High Speed Straight Lockstitch Sewing Machine | Instruction Manual and Parts List 6.6 Lubr ication Components[...]

  • Page 38

    No. Par t No. Description Qty . 20 20C 30 30C 70 70C 35 High Speed Straight Lockstitch Sewing Machine | Instruction Manual and Parts List 6.6 Lubr ication Components 1 1 0 1 1 1004 Oil sight window 1 1 1 1 1 1 2 1 0 1220 1 9 Rubber ring 1 1 1 1 1 1 3 1 0 121 0 02 Arm shaft oil tube 1 1 1 1 1 1 4 1 0 1S30 0 08 Oil pump support 1 1 1 1 1 1 5 1 0 1S1 [...]

  • Page 39

    36 High Speed Straight Lockstitch Sewing Machine | Instruction Manual and Parts List 6.7 Oil Reserv oir Components[...]

  • Page 40

    No. Par t No. Description Qty . 20 20C 30 30C 70 70C 37 High Speed Straight Lockstitch Sewing Machine | Instruction Manual and Parts List 6.7 Oil Reserv oir Components 1 1 0 1 1 1005 Knee presser lift rod 1 1 1 1 1 1 2 1 0 10 1 0 0600 Oil reservoir assembly 1 1 1 1 1 1 3 1 0 10 1 0 06 Oil reservoir 1 1 1 1 1 1 4 1 0 122020 Gasket 1 1 1 1 1 1 5 1 0 [...]

  • Page 41

    38 High Speed Straight Lockstitch Sewing Machine | Instruction Manual and Parts List 6.8 Belt Co ver , Bobbin Winder and Thr ead Stand Components[...]

  • Page 42

    No. Par t No. Description Qty . 20 20C 30 30C 70 70C 39 High Speed Straight Lockstitch Sewing Machine | Instruction Manual and Parts List 6.8 Belt Co ver , Bobbin Winder and Thr ead Stand Components 1 1 0 1 1 10060 0 Belt co ver assembly 1 1 1 1 1 1 2 1 0 1 1 1006 Belt cover 1 1 1 1 1 1 4 1 0 1 1 10090 0 Belt co ver bac k assembly 1 1 1 1 1 1 5 1 0[...]

  • Page 43

    40 High Speed Straight Lockstitch Sewing Machine | Instruction Manual and Parts List 6.9 Mac hine A ccessor ies[...]

  • Page 44

    No. Par t No. Description Qty . 20 20C 30 30C 70 70C 41 High Speed Straight Lockstitch Sewing Machine | Instruction Manual and Parts List 6.9 Mac hine A ccessor ies 1 1 0 1 1 2031 0 0 Mac hine hinge plate 2 2 2 2 2 2 2 1 0 122026 Mac hine hinge rubber cushion 2 2 2 2 2 2 3 1 0 1S30 0 1 0 Nail Set 4 4 4 4 4 4 4 1 955-01 Needle #1 4 3 3 0 0 0 0 1 955[...]

  • Page 45

    P/N 364331 -0 0 1 ® Singer is a registered trademark of The Singer Company Limited or its affiliated companies. © 20 08 Copyright The Singer Company Limited Rev 0 - J an.20 1 0[...]