Instruction/ maintenance manual of the product 191D Singer
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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.
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.
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.
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 .
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.
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.
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 s.
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.
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.
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.
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).
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).
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 ) .
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.
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).
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’ .
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.
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).
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).
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).
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’ .
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.
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.
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.
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.
23 High Speed Straight Lockstitch Sewing Machine | Instruction Manual and Parts List P ar ts List.
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.
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 .
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.
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.
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.
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.
30 High Speed Straight Lockstitch Sewing Machine | Instruction Manual and Parts List 6.4 Pr esser F oot Components.
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.
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 co.
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 4.
34 High Speed Straight Lockstitch Sewing Machine | Instruction Manual and Parts List 6.6 Lubr ication Components.
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 .
36 High Speed Straight Lockstitch Sewing Machine | Instruction Manual and Parts List 6.7 Oil Reserv oir Components.
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.
38 High Speed Straight Lockstitch Sewing Machine | Instruction Manual and Parts List 6.8 Belt Co ver , Bobbin Winder and Thr ead Stand Components.
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.
40 High Speed Straight Lockstitch Sewing Machine | Instruction Manual and Parts List 6.9 Mac hine A ccessor ies.
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 p.
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.
An important point after buying a device Singer 191D (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Singer 191D yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Singer 191D - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Singer 191D you will learn all the available features of the product, as well as information on its operation. The information that you get Singer 191D will certainly help you make a decision on the purchase.
If you already are a holder of Singer 191D, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Singer 191D.
However, one of the most important roles played by the user manual is to help in solving problems with Singer 191D. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Singer 191D along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
