Singer 191D-20 Instruction Manual

Singer 191D-20 Manual

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  • Singer 191D-20 | 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
  • Singer 191D-20 | Instruction Manual - Page 2
    1 1.2 Safe Operation 2 2 Product Description and Machine Specification 3 2.1 Product Description 3 2.2 Machine Specification 4 2.3 Motor, Motor Pulley and V-Belt Specifications 4 3 Setup and Adjustment Instructions 5 3.1 Table Cut-Out Drawing 5 3.2 Oil Reservoir Installation
  • Singer 191D-20 | Instruction Manual - Page 3
    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
  • Singer 191D-20 | Instruction Manual - Page 4
    only be used to sew materials as indicated in its instructions manual, and indications of use should be followed. Singer will not be held responsible for any damage caused by unauthorized changes in the product. High Speed Straight Lockstitch Sewing Machine | Instruction Manual and Parts List 1
  • Singer 191D-20 | Instruction Manual - Page 5
    run the machine without proper grounding. • To minimize the risk of accidents or damage in electric components caused by electric discharge turn the machine off before unplugging it. • Clean the machine periodically. High Speed Straight Lockstitch Sewing Machine | Instruction Manual and Parts List
  • Singer 191D-20 | 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
  • Singer 191D-20 | Instruction Manual - Page 7
    -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 List 4
  • Singer 191D-20 | 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 2-12.75 480 - 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
  • Singer 191D-20 | Instruction Manual - Page 9
    the hole in the machine bed, and the machine head fitted the table hinge's rubber '2', before the machine head is placed to the cushions '3' 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
  • Singer 191D-20 | Instruction Manual - Page 10
    holes 'C', 'D'. Fix the front belt cover '3' on the support with screws '4', '5' and washers '6'. The tightening torque for the screw '4' is about 30 kgf×cm, and for the screw '5' is about 25 and washers. Figure 6 High Speed Straight Lockstitch Sewing Machine | Instruction Manual and Parts List 7
  • Singer 191D-20 | Instruction Manual - Page 11
    pin '1' in direction 'B'. The maximum amount of oil is reached when marker dot 'A' is brought to the 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
  • Singer 191D-20 | Instruction Manual - Page 12
    amount will 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 confirmed the state of oil supplied. Figure 11 High Speed Straight Lockstitch Sewing Machine | Instruction Manual and Parts List 9
  • Singer 191D-20 | Instruction Manual - Page 13
    'B'. Insert the needle in the direction of the arrow until it will go no further. Tighten the screw '2'. Make sure the long groove 'C' of the needle is facing exactly to the left in direction 'D'. Figure 12 High Speed Straight Lockstitch Sewing Machine | Instruction Manual and Parts List 10
  • Singer 191D-20 | Instruction Manual - Page 14
    When threading the machine head, the needle bar should be at the highest point of its stroke. Thread the machine in the order shown below. Leave thread approximately 4 cm long in the needle (Figure 14). Figure 14 High Speed Straight Lockstitch Sewing Machine | Instruction Manual and Parts List 11
  • Singer 191D-20 | Instruction Manual - Page 15
    Thread Tension Adjustment Adjusting needle thread tension (Figure 16) Adjust the tension of needle thread using tension adjusting nut '1' according to different sewing conditions. Turn the . Figure 16 Figure 17 High Speed Straight Lockstitch Sewing Machine | Instruction Manual and Parts List 12
  • Singer 191D-20 | Instruction Manual - Page 16
    decreased. • Usually, the thread take-up spring '1' has been properly adjusted before leaving the factory. • Only when sewing special clothes or using special thread is readjustment necessary. Figure 18 Figure 19 High Speed Straight Lockstitch Sewing Machine | Instruction Manual and Parts List 13
  • Singer 191D-20 | Instruction Manual - Page 17
    presser foot (Figure 22). The presser foot will go up about 5.5 mm and stop. The presser foot will go back to its original position when the lifter is turned down in direction 'B' (Figure 23). Figure 22 Figure 23 High Speed Straight Lockstitch Sewing Machine | Instruction Manual and Parts List
  • Singer 191D-20 | Instruction Manual - Page 18
    the pressure of the presser foot will be decreased. Tighten nut '2'. 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
  • Singer 191D-20 | Instruction Manual - Page 19
    the standard adjustment, adjust so that the top surface of feed dog and the top end of needle eyelet are flush with top surface of throat plate when the feed dog descends below the throat plate arrow. Figure 25 High Speed Straight Lockstitch Sewing Machine | Instruction Manual and Parts List 16
  • Singer 191D-20 | Instruction Manual - Page 20
    the below height for each machine variety (Figure 26). Loosen screw '2' of crank '1'. Move the feed bar up or down to make a correct height. Securely tighten screw '2'. See description below for height Figure 26 High Speed Straight Lockstitch Sewing Machine | Instruction Manual and Parts List 17
  • Singer 191D-20 | Instruction Manual - Page 21
    bushing '3'. After the above adjustments steps, the rotating hook point '5' aligns with the center of needle '4', and make sure the clearance between the needle and the rotating hook '5' is 0.04~0.1 mm. Figure 27 High Speed Straight Lockstitch Sewing Machine | Instruction Manual and Parts List 18
  • Singer 191D-20 | Instruction Manual - Page 22
    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
  • Singer 191D-20 | Instruction Manual - Page 23
    (in direction 'B') to decrease the length of thread pulled out by the thread take-up. When marker line 'C' on the thread guide '1' is aligned with the center of the screw that is standard (Figure 30). Figure 30 High Speed Straight Lockstitch Sewing Machine | Instruction Manual and Parts List 20
  • Singer 191D-20 | Instruction Manual - Page 24
    tighten. Check if the v-belt is not excessively worn and if it has the right tension. Check if there is no overheating in the electrical motor and check if the power cord and plug are not damaged. High Speed Straight Lockstitch Sewing Machine | Instruction Manual and Parts List 21
  • Singer 191D-20 | Instruction Manual - Page 25
    nut 4. Readjust needle and hook point 1. Readjust the thread tension nut 2. Readjust the take-up spring 3. Readjust the presser foot pressure 4. Readjust the feed dog 5. Use proper needle for fabric and thread High Speed Straight Lockstitch Sewing Machine | Instruction Manual and Parts List 22
  • Singer 191D-20 | Instruction Manual - Page 26
    Parts List High Speed Straight Lockstitch Sewing Machine | Instruction Manual and Parts List 23
  • Singer 191D-20 | Instruction Manual - Page 27
    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
  • Singer 191D-20 | Instruction Manual - Page 28
    222222 333333 111111 111111 111111 222222 444444 111111 222222 111111 222222 111100 000011 111111 111111 111111 222222 111111 111111 111111 111111 High Speed Straight Lockstitch Sewing Machine | Instruction Manual and Parts List 25
  • Singer 191D-20 | Instruction Manual - Page 29
    6.2 Arm Shaft and Thread Take-Up Lever Components High Speed Straight Lockstitch Sewing Machine | Instruction Manual and Parts List 26
  • Singer 191D-20 | Instruction Manual - Page 30
    link Thread take-up lever link assembly Needle bearing Needle bar crank Needle bar crank Needle bar crank Needle bar crank rod Screw SM9/64 x felt Oil amount adjusting pin Qty. 20 20C 30 30C 70 70C 111111 111111 111111 110000 001100 000011 Sewing Machine | Instruction Manual and Parts List 27
  • Singer 191D-20 | Instruction Manual - Page 31
    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 and Parts
  • Singer 191D-20 | Instruction Manual - Page 32
    SM 11/64 x40 L=3.5 Hook shaft Hook shaft Bobbin 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 111111 111111 222222 High Speed Straight Lockstitch Sewing Machine | Instruction Manual and Parts List 29
  • Singer 191D-20 | Instruction Manual - Page 33
    6.4 Presser Foot Components High Speed Straight Lockstitch Sewing Machine | Instruction Manual and Parts List 30
  • Singer 191D-20 | Instruction Manual - Page 34
    guide bracket Presser bar Presser bar thread guide Screw SM 1/4 x 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 High Speed Straight Lockstitch Sewing Machine | Instruction Manual and Parts List 31
  • Singer 191D-20 | Instruction Manual - Page 35
    /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 and Parts List 32
  • Singer 191D-20 | Instruction Manual - Page 36
    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 000011 000011 High Speed Straight Lockstitch Sewing Machine | Instruction Manual and Parts List 33
  • Singer 191D-20 | Instruction Manual - Page 37
    6.6 Lubrication Components High Speed Straight Lockstitch Sewing Machine | Instruction Manual and Parts List 34
  • Singer 191D-20 | Instruction Manual - Page 38
    101S30007 27 10121001 28 101S11011 29 10136001 30 101S11010 31 10112025 32 10112026 33 101S11033 Description Oil sight window Rubber ring Arm shaft oil tube Oil pump support Screw SM15/64 x 28 L=9 Screw 111111 High Speed Straight Lockstitch Sewing Machine | Instruction Manual and Parts List 35
  • Singer 191D-20 | Instruction Manual - Page 39
    6.7 Oil Reservoir Components High Speed Straight Lockstitch Sewing Machine | Instruction Manual and Parts List 36
  • Singer 191D-20 | Instruction Manual - Page 40
    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 111111 111111 111111 111111 111111 222222 222222 444444 High Speed Straight Lockstitch Sewing Machine | Instruction Manual and Parts List 37
  • Singer 191D-20 | Instruction Manual - Page 41
    6.8 Belt Cover, Bobbin Winder and Thread Stand Components High Speed Straight Lockstitch Sewing Machine | Instruction Manual and Parts List 38
  • Singer 191D-20 | Instruction Manual - Page 42
    Belt cover back latch Belt cover support Belt cover screw Screw Washer Screw (upper) Spool arm (lower) Screw Thread guide Spool pin Spring washer Washer Nut Spool rest Spool Spool rest cushion Qty. 20 20C 30 30C 70 70C 111111 111111 111111 111111 Sewing Machine | Instruction Manual and Parts List 39
  • Singer 191D-20 | Instruction Manual - Page 43
    6.9 Machine Accessories High Speed Straight Lockstitch Sewing Machine | Instruction Manual and Parts List 40
  • Singer 191D-20 | Instruction Manual - Page 44
    ) 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 Machine | Instruction Manual and Parts List 41
  • Singer 191D-20 | Instruction Manual - Page 45
    P/N 364331-001 Rev 0 - Jan.2010 ® Singer is a registered trademark of The Singer Company Limited or its affiliated companies. © 2008 Copyright The Singer Company Limited
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High Speed Straight
Lockstitch Sewing Machine
Instruction Manual
and Parts List
® Singer is a registered trademark of
The Singer Company Limited or its affiliated companies.
© 2009 Copyright
The Singer Company Limited
191
D
20 / 20C
30 / 30C
70 / 70C