Singer 191D-20 Instruction Manual Download Page 1

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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.

191

20 / 20C

30 / 30C

70 / 70C

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Summary of Contents for 191D-20

Page 1: ...ine 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 191D 20 20C 30 30C 70 70C Dow...

Page 2: ...il Supply Adjustment 9 3 7 Needle Attachment 10 3 8 Bobbin Case Attachment 11 3 9 MachineThreading 11 3 10 Stitch Length Adjustment 12 3 11 ThreadTension Adjustment 12 3 12 ThreadTake Up Spring Adjust...

Page 3: ...Bar Upright Shaft and Rotating Hook Driving Shaft Components 28 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 C...

Page 4: ...maintenance should only be performed by properly trained personnel Maintenance and repair on elec tric equipment should only be made by qualified personnel If any electric device is damaged the machi...

Page 5: ...ad take up lever cover when the machine is running To avoid possible injuries be care ful when putting down or lifting the machine head To avoid accident in case of a sud den start of the machine alwa...

Page 6: ...Lockstitch Sewing Machine Instruction Manual and Parts List High Speed Straight Lockstitch Sewing Machine Product Description and Machine Specification 2 1 Product Description Downloaded from Manuals...

Page 7: ...ght to medium 5 000 5 0 5 5 13 0 30 7 Regular Standard 1955 01 14 Fully Automatic Lubrication Singer C type oil 191D 20C Koban Hirose 191D 30 Medium to heavy 4 500 5 0 5 5 13 0 35 0 Standard 1955 01 1...

Page 8: ...1 Table Cut Out Drawing Figure 1 535 200 480 115 1 0 95 206 28 108 68 1 339 7 2 12 75 4 R 1 0 2 R 1 8 2 12 75 2 R 2 2 5 181 130 22 4 R10 2 R 2 0 2 R 2 0 2 R30 50 2 DEEP 17 2 80 4 R 1 0 28 66 33 8 5 2...

Page 9: ...e extended Two hinges 1 fit into the hole in the machine bed and the machine head fitted the table hinge s rubber 2 before the machine head is placed portion of the table by using nail 2 and the other...

Page 10: ...1 in the threaded hole in the housing Install the front belt cover 3 and get the hand wheel in the middle of the cover hole Install the back belt cover 2 at holes C D Fix the front belt cover 3 on the...

Page 11: ...lowers below MIN mark B refill the oil reser voir with the specified oil When you operate the machine af ter lubrication you will see splash ing oil through oil sight window 2 if the lubrication is ad...

Page 12: ...the hook Figure 11 Turning the oil adjusting screw of the hook shaft bushing on bed toward in direction A the oil amount will be increased and toward in direction B the oil amount will be decreased Af...

Page 13: ...A facing exactly to the right in direction B Insert the needle in the direction of the arrow until it will go no fur ther Tighten the screw 2 Make sure the long groove C of the needle is facing exactl...

Page 14: ...it A and pulls it in direction C By doing so the thread will pass un When threading the machine head the needle bar should be at the highest point of its stroke der the tension spring and come out fro...

Page 15: ...c cording to different sewing condi tions Turn the nut 1 clockwise in direc tion A the tension will increase Turn the nut 1 counterclockwise in direction B the tension will decrease When you want to d...

Page 16: ...pring will be decreased Adjusting the pressure of the thread take up spring 1 Figure 19 Loosen setting screw 2 and take out thread tension assembly 5 Loosen setting screw 4 and turn the tension post 3...

Page 17: ...sting screw 1 Figure 20 Turn the presser foot lifter 1 in direction A to lift the presser foot Figure 22 The presser foot will go up about 5 5 mm and stop When the presser foot lifts to over 10 mm be...

Page 18: ...wise in direction A the pressure of the presser foot will be increased Figure 24 Turn the regulator 1 counter clock wise in direction B the pres sure of the presser foot will be de creased Tighten nu...

Page 19: ...hat 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 To advance the feed timing in order to pre...

Page 20: ...ould be above the top surface of the throat plate B as 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 tigh...

Page 21: ...he position of the rotat ing hook Loosen two rotating hook set screws and turn the handwheel un til the line B on needle bar align with the bottom end of needle bar lower bushing 3 After the above adj...

Page 22: ...ustment 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 T...

Page 23: ...in direction A to increase the length of thread pulled out by the thread take up When sewing light weight material the thread guides 1 move to the right in direction B to decrease the length of thread...

Page 24: ...surface If the machine was idle for a long time lubricate the machine accor ding to the instructions of topics 3 4 to 3 6 Check periodically if all safety de vices are properly installed and ad juste...

Page 25: ...burred 7 Grind off polish or replace by a new parts 8 Wrong relation with rotary hook 8 Readjust needle and hook point relation Skip stitches 1 Wrong relation of needle and hook point 1 Readjust need...

Page 26: ...23 High Speed Straight Lockstitch Sewing Machine Instruction Manual and Parts List Parts List Downloaded from ManualsNet com search engine...

Page 27: ...Components 1 10101034 Face plate 1 1 1 1 1 1 2 10122096 Face plate gasket 1 1 1 1 1 1 3 101S11010 Screw SM1 8x44 L 4 1 1 1 1 1 1 4 10112024 Arm oil shield assembly 1 1 1 1 1 1 5 10122005 Rubber plug 2...

Page 28: ...L 5 5 1 1 1 1 1 1 29 101S15006 Screw SM15 64x28 L 7 1 1 1 1 1 1 30 10126002 Tension releasing pin 1 1 1 1 1 1 31 10115001 Throat plate 1 1 0 0 0 0 10115005 Throat plate 0 0 1 1 0 0 10115014 Throat pl...

Page 29: ...26 High Speed Straight Lockstitch Sewing Machine Instruction Manual and Parts List 6 2 Arm Shaft andThread Take Up Lever Components Downloaded from ManualsNet com search engine...

Page 30: ...02 Screw SM1 4 x40 L 6 2 2 2 2 2 2 13 10122010 Rubber ring 1 1 1 1 1 1 14 101S11003 Screw SM9 32 x 28 L 6 1 1 1 1 1 1 15 10110003 Feed drive eccentric cam 1 1 1 1 0 0 400058 Feed drive eccentric cam 0...

Page 31: ...1 1 1 1 1 1 3 10102002 Needle bar 1 1 0 0 0 0 10102012 Needle bar 0 0 1 1 0 0 10102021 Needle bar 0 0 0 0 1 1 4 10138002 Needle bar connection 1 1 1 1 1 1 5 101S11005 Screw SM9 64 x 40 L 6 1 1 1 1 1 1...

Page 32: ...ng rear 1 1 1 1 1 1 23 10118504 Rotating hook 1 0 0 0 0 0 10118001 Rotating hook 0 1 0 0 0 0 10118505 Rotating hook 0 0 1 0 0 0 10118509 Rotating hook 0 0 0 1 0 0 11018001 Rotating hook 0 0 0 0 1 0 10...

Page 33: ...30 High Speed Straight Lockstitch Sewing Machine Instruction Manual and Parts List 6 4 Presser Foot Components Downloaded from ManualsNet com search engine...

Page 34: ...r connection rod 1 1 1 1 1 1 17 H05009 Snap ring 2 2 2 2 2 2 18 10127008 Tension release return spring 1 1 1 1 1 1 19 10127003 Tension release pin spring 1 1 1 1 1 1 20 10126003 Tension release suppor...

Page 35: ...1 1 1 1 1 1 3 10101004 Feed regulator 1 1 1 1 1 1 4 10103020 Feed regulator bushing 1 1 1 1 1 1 5 10126014 Feed regulator screw 1 1 1 1 1 1 6 10127010 Spring 1 1 1 1 1 1 7 10126015 Pin 1 1 1 1 1 1 8 1...

Page 36: ...shaft crank 1 1 1 1 0 0 12204003 Feed rock shaft crank 0 0 0 0 1 1 39 101S11016 Screw SM3 16 X 28 L 15 5 1 1 1 1 1 1 40 10104004 Feed lifting rock shaft crank back 1 1 1 1 1 1 41 101S11021 Screw SM3 1...

Page 37: ...34 High Speed Straight Lockstitch Sewing Machine Instruction Manual and Parts List 6 6 Lubrication Components Downloaded from ManualsNet com search engine...

Page 38: ...28 L 9 1 1 1 1 1 1 14 10127014 Spring 1 1 1 1 1 1 15 101S30009 Oil adjusting screw 1 1 1 1 1 1 16 1012000100 Oil pump assembly 1 1 1 1 1 1 17 10112020 Oil pump installing base 1 1 1 1 1 1 18 101S11011...

Page 39: ...36 High Speed Straight Lockstitch Sewing Machine Instruction Manual and Parts List 6 7 Oil Reservoir Components Downloaded from ManualsNet com search engine...

Page 40: ...Bracket 1 1 1 1 1 1 12 101S12003 Screw SM9 32x 20 L 20 1 1 1 1 1 1 13 101S16004 Nut SM15 64 x 28 2 2 2 2 2 2 14 101S15012 Screw SM15 64 x 20 L 30 2 2 2 2 2 2 15 101S12002 Screw 2 2 2 2 2 2 16 1010201...

Page 41: ...38 High Speed Straight Lockstitch Sewing Machine Instruction Manual and Parts List 6 8 Belt Cover BobbinWinder andThread Stand Components Downloaded from ManualsNet com search engine...

Page 42: ...1 1 1 1 22 10112036 Bobbin winder spring 1 1 1 1 1 1 23 10120006 Hinge screw SMI Sx44 L 12 5 1 1 1 1 1 1 24 S04017 Screw 1 1 1 1 1 1 25 S04006 Screw 1 1 1 1 1 1 26 10128001 Washer 1 1 1 1 1 1 27 10112...

Page 43: ...40 High Speed Straight Lockstitch Sewing Machine Instruction Manual and Parts List 6 9 Machine Accessories Downloaded from ManualsNet com search engine...

Page 44: ...4 1955 01 Needle 14 3 3 0 0 0 0 1955 01 Needle 18 0 0 3 3 0 0 1955 01 Needle 21 0 0 0 0 3 3 5 10131002 Screw driver large 1 1 1 1 1 1 6 10131003 Screw driver medium 1 1 1 1 1 1 7 10131004 Screw driver...

Page 45: ...364331 001 Singer is a registered trademark of The Singer Company Limited or its affiliated companies 2008 Copyright The Singer Company Limited Rev 0 Jan 2010 Downloaded from ManualsNet com search eng...

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