Instruction/ maintenance manual of the product 191D-20 Industrial 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 H i g h S p e e d S t r a i g h t L o c k s t i t c h S e w i n g M a c h i n e | I n s t r u c t i o n M a n u a l a n d P a r t s L i s t Saf ety Instr uctions 1 .
2 H i g h S p e e d S t r a i g h t L o c k s t i t c h S e w i n g M a c h i n e | I n s t r u c t i o n M a n u a l a n d P a r t s L i s t • 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.
3 H i g h S p e e d S t r a i g h t L o c k s t i t c h S e w i n g M a c h i n e | I n s t r u c t i o n M a n u a l a n d P a r t s L i s t High Speed Straight Loc kstitc h Sewing Machine Pr oduct Descr iption and Mac hine Specification 2.
4 H i g h S p e e d S t r a i g h t L o c k s t i t c h S e w i n g M a c h i n e | I n s t r u c t i o n M a n u a l a n d P a r t s L i s t 2.2 2.3 Mac hine Specification Mot or , Mot or Pulle y an.
5 H i g h S p e e d S t r a i g h t L o c k s t i t c h S e w i n g M a c h i n e | I n s t r u c t i o n M a n u a l a n d P a r t s L i s t 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.
6 H i g h S p e e d S t r a i g h t L o c k s t i t c h S e w i n g M a c h i n e | I n s t r u c t i o n M a n u a l a n d P a r t s L i s t Oil Reserv oir Installation 3.2 The oil reservoir should rest on the four corners of the mac hine table groove.
7 H i g h S p e e d S t r a i g h t L o c k s t i t c h S e w i n g M a c h i n e | I n s t r u c t i o n M a n u a l a n d P a r t s L i s t 3.3 Belt Co ver and Bobbin Winder Installation F or saf et y , the belt cov er should be installed.
8 H i g h S p e e d S t r a i g h t L o c k s t i t c h S e w i n g M a c h i n e | I n s t r u c t i o n M a n u a l a n d P a r t s L i s t 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 H i g h S p e e d S t r a i g h t L o c k s t i t c h S e w i n g M a c h i n e | I n s t r u c t i o n M a n u a l a n d P a r t s L i s t 3.6 Rotating Hook Oil Supply A djustment Unused mac hine should run idle for 3 minutes (Moderate intermit tent operation).
1 0 H i g h S p e e d S t r a i g h t L o c k s t i t c h S e w i n g M a c h i n e | I n s t r u c t i o n M a n u a l a n d P a r t s L i s t 3.7 Needle At tac hment T u rn th e h an d wh e e l u n ti l th e n e e - d l e b a r re a c h e s t h e h ig h e s t p o in t of i t s s t ro k e ( F ig u re 1 2 ) .
1 1 H i g h S p e e d S t r a i g h t L o c k s t i t c h S e w i n g M a c h i n e | I n s t r u c t i o n M a n u a l a n d P a r t s L i s t 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 H i g h S p e e d S t r a i g h t L o c k s t i t c h S e w i n g M a c h i n e | I n s t r u c t i o n M a n u a l a n d P a r t s L i s t 3.1 0 3.
13 H i g h S p e e d S t r a i g h t L o c k s t i t c h S e w i n g M a c h i n e | I n s t r u c t i o n M a n u a l a n d P a r t s L i s t 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 H i g h S p e e d S t r a i g h t L o c k s t i t c h S e w i n g M a c h i n e | I n s t r u c t i o n M a n u a l a n d P a r t s L i s t 3.13 3.14 Knee Lif t er Height A djustment Pr esser F oot Lif ter A djustment When using the knee lifter , the standard height of presser foot is 1 0 mm.
15 H i g h S p e e d S t r a i g h t L o c k s t i t c h S e w i n g M a c h i n e | I n s t r u c t i o n M a n u a l a n d P a r t s L i s t 3.15 Pr esser F oot Pr essur e A djustment Loosen the nut.
16 H i g h S p e e d S t r a i g h t L o c k s t i t c h S e w i n g M a c h i n e | I n s t r u c t i o n M a n u a l a n d P a r t s L i s t 3.16 F eed Timing A djustment Loosen screws ‘2’ and .
17 H i g h S p e e d S t r a i g h t L o c k s t i t c h S e w i n g M a c h i n e | I n s t r u c t i o n M a n u a l a n d P a r t s L i s t 3.1 7 F eed Dog Height A djustment When the feed dog ‘ .
18 H i g h S p e e d S t r a i g h t L o c k s t i t c h S e w i n g M a c h i n e | I n s t r u c t i o n M a n u a l a n d P a r t s L i s t 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 H i g h S p e e d S t r a i g h t L o c k s t i t c h S e w i n g M a c h i n e | I n s t r u c t i o n M a n u a l a n d P a r t s L i s t 3.1 9 Pr esser Bar Height A djustment Loosen setscrew ‘1’ (Figure 28) and adjust the height of the presser bar .
20 H i g h S p e e d S t r a i g h t L o c k s t i t c h S e w i n g M a c h i n e | I n s t r u c t i o n M a n u a l a n d P a r t s L i s t 3.20 Thr ead T ak e- Up Str ok e A djustment When sewing .
21 H i g h S p e e d S t r a i g h t L o c k s t i t c h S e w i n g M a c h i n e | I n s t r u c t i o n M a n u a l a n d P a r t s L i s t 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 H i g h S p e e d S t r a i g h t L o c k s t i t c h S e w i n g M a c h i n e | I n s t r u c t i o n M a n u a l a n d P a r t s L i s t T r oubleshooting Problems Possible Causes Possible S olutions Needle break 1 . Needle is installed wrong 1 .
23 H i g h S p e e d S t r a i g h t L o c k s t i t c h S e w i n g M a c h i n e | I n s t r u c t i o n M a n u a l a n d P a r t s L i s t P ar ts List.
24 H i g h S p e e d S t r a i g h t L o c k s t i t c h S e w i n g M a c h i n e | I n s t r u c t i o n M a n u a l a n d P a r t s L i s t 6.1 F rame and Co ver Components 1 1 0 10 1 034 Face plat.
No. Par t No. Description Qty . 20 20C 30 30C 70 70C 25 H i g h S p e e d S t r a i g h t L o c k s t i t c h S e w i n g M a c h i n e | I n s t r u c t i o n M a n u a l a n d P a r t s L i s t 6 1 .
26 H i g h S p e e d S t r a i g h t L o c k s t i t c h S e w i n g M a c h i n e | I n s t r u c t i o n M a n u a l a n d P a r t s L i s t 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 H i g h S p e e d S t r a i g h t L o c k s t i t c h S e w i n g M a c h i n e | I n s t r u c t i o n M a n u a l a n d P a r t s L i s t 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 H i g h S p e e d S t r a i g h t L o c k s t i t c h S e w i n g M a c h i n e | I n s t r u c t i o n M a n u a l a n d P a r t s L i s t 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 H i g h S p e e d S t r a i g h t L o c k s t i t c h S e w i n g M a c h i n e | I n s t r u c t i o n M a n u a l a n d P a r t s L i s t 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 H i g h S p e e d S t r a i g h t L o c k s t i t c h S e w i n g M a c h i n e | I n s t r u c t i o n M a n u a l a n d P a r t s L i s t 6.4 Pr esser F oot Components.
No. Par t No. Description Qty . 20 20C 30 30C 70 70C 31 H i g h S p e e d S t r a i g h t L o c k s t i t c h S e w i n g M a c h i n e | I n s t r u c t i o n M a n u a l a n d P a r t s L i s t 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 H i g h S p e e d S t r a i g h t L o c k s t i t c h S e w i n g M a c h i n e | I n s t r u c t i o n M a n u a l a n d P a r t s L i s t 6.5 F eed Mechanism Components No.
No. Par t No. Description Qty . 20 20C 30 30C 70 70C 33 H i g h S p e e d S t r a i g h t L o c k s t i t c h S e w i n g M a c h i n e | I n s t r u c t i o n M a n u a l a n d P a r t s L i s t 6.
34 H i g h S p e e d S t r a i g h t L o c k s t i t c h S e w i n g M a c h i n e | I n s t r u c t i o n M a n u a l a n d P a r t s L i s t 6.6 Lubr ication Components.
No. Par t No. Description Qty . 20 20C 30 30C 70 70C 35 H i g h S p e e d S t r a i g h t L o c k s t i t c h S e w i n g M a c h i n e | I n s t r u c t i o n M a n u a l a n d P a r t s L i s t 6.
36 H i g h S p e e d S t r a i g h t L o c k s t i t c h S e w i n g M a c h i n e | I n s t r u c t i o n M a n u a l a n d P a r t s L i s t 6.7 Oil Reserv oir Components.
No. Par t No. Description Qty . 20 20C 30 30C 70 70C 37 H i g h S p e e d S t r a i g h t L o c k s t i t c h S e w i n g M a c h i n e | I n s t r u c t i o n M a n u a l a n d P a r t s L i s t 6.
38 H i g h S p e e d S t r a i g h t L o c k s t i t c h S e w i n g M a c h i n e | I n s t r u c t i o n M a n u a l a n d P a r t s L i s t 6.8 Belt Co ver , Bobbin Winder and Thr ead Stand Compone.
No. Par t No. Description Qty . 20 20C 30 30C 70 70C 39 H i g h S p e e d S t r a i g h t L o c k s t i t c h S e w i n g M a c h i n e | I n s t r u c t i o n M a n u a l a n d P a r t s L i s t 6.
40 H i g h S p e e d S t r a i g h t L o c k s t i t c h S e w i n g M a c h i n e | I n s t r u c t i o n M a n u a l a n d P a r t s L i s t 6.9 Mac hine A ccessor ies.
No. Par t No. Description Qty . 20 20C 30 30C 70 70C 41 H i g h S p e e d S t r a i g h t L o c k s t i t c h S e w i n g M a c h i n e | I n s t r u c t i o n M a n u a l a n d P a r t s L i s t 6.
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-20 Industrial (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-20 Industrial 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-20 Industrial - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Singer 191D-20 Industrial you will learn all the available features of the product, as well as information on its operation. The information that you get Singer 191D-20 Industrial will certainly help you make a decision on the purchase.
If you already are a holder of Singer 191D-20 Industrial, 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-20 Industrial.
However, one of the most important roles played by the user manual is to help in solving problems with Singer 191D-20 Industrial. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Singer 191D-20 Industrial 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
