MACHINE PARTS CHART. for 20U31/33. From the library of: Superior Sewing Machine & Supply LLC THE SINGER COMPANY

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1 MACHNE PARTS CHART for ER 20U31/33 THE SNGER COMPANY

2 'L 1ERCAL LST or: P.RTS :OU3!.33 1.Cs PART!/O. DESCRPTO:-; PART :-10. DESCRPTON ' Throat Plate Tension Disc (2) Bobbin Winder Friction Ring Clamp Stop Motion Clamp Flanged Bushing Thread Take-up Spring Presser Bar Lifter Thread Take-up Lever Link Thread Take-up Lever Thread Eyelet Bushing Rotating Hook Bobbin Feed Connecting Link Presser Bar Spring Clamp Stop Motion Clamp Stop Feed Connecting Link Hinge Feed Forked Connection Hinge Hinge Bed Plate Bracket Bed Slide Spring <2) Bed Slide Spring Feed Connecting Link Hinge ut (2) Feed Forked Connection Hinge ut Hinge Nut Feed Reverse Lever Link with Feed Regulator with Bobbin Winder Regulator with Rotating Hook Drive Shaft Retainer Collar with two Tension Releasing Lever Hinge Feed Lifting Rock Shaft Center C/ut (2) Feed Rock Shaft Center :"iut (2) Presser Regulating Thumb ;..rut Bobbin Vinder Bracket Regulating Plate Sprin: Bobbin Winder Latch Stud Rmg Face Plate w1th Ann Side Cover Thread Take-up Lever Guard Arm Top Cover Complete. C/os , t, -±08274, , -± , , , , and Arm Top Cover Bobbin Winder Bracket Complete Needle Bar Connecting Link Tension Releasing Lever Rotating Hook Rotating Hook Bobbin Case Latch Rotating Hook Bobbm Case Latch Lever Feed Reverse Lever Complete. os and Feed Reverse Lever Feed Reverse Lever Hinge Stud Zig-Zag Triangular C.1m G f'ch and Zig-Za Tnangular Cam Complete Zig-Zag Triangular Cam Shaft Collar with two Zig-Zag Triangular Cam Shaft Complete, ::"J"os and Zig-Zag Triangular Cam Shaft Lifting Lever Lifting Lever Connecting Rod Bight Amplitude Slide Block Crank Knee Operating Connection Bell Crank Complete Oil Reservoir Complete, os , , two each , and l Reservoir OU Reservoir Felt OU Reservoir Oil 'ick Oil Reservqir Plate Rotating Hook with Rotating Hook Complete. C/us three and four Thread G u1de Pin Thred.d Retainer Presser Regulating Thumb Complete Presser Regulating Thumb Rotating Hook Bobb1n Case Complete, os , and :'>05356 Rotating Hook Bobb1n Case v-hth , and Feed and Feed Lifting Eccentrir... ith 5040f19 and ) Clamp Stop 0.-1otion Clamp Rotating Hook Drive Shaft Bushing tback) Set Rotating Hook Dri, e Shaft Bushing (front) Set Thread Take-up Lever Link!-ilnge Pin Set Thread Take-up Spring Regulator Set Zig-Zag Triangular Cam Shaft Set ! :'> ll ! '3' :'> ! Bight Amplitude Slide Blook Crank Shaft Bushing Collar Set Thread Retainer Set Oil Reservoir Plate Set (back) C/eedle Clamp Thumb Arm Shaft (horizontal) Worm Gear Set Presser Bar Lifter Pin Set Presser Bar Guide Bracket Set Tension Stud Set Needle Bar Connecting Link Cap Presser Foot Needle Bar Connecting Link Guide Rotating Hook Shaft Bevel Gear Cover Thread Guard (upper) Set Face Plate Oil Reservoir Set Arm Shaft (horizontal) Bevel Gear Set Clamp Stop Motion Clamp Flanged Bushing Set Feed Bar Center (2) Feed and Feed Lifting Eccentric Position Feed and Feed Lifting Eccentric Set Cap Feed Lifting Rock Shaft Center (2) Feed Rock Shaft Center (2) Feed Regulating Stud Head Cap Bight Amplitude Stop Plate (left) (right) Rotating Hook Bobbin Case Holder Position Bracket Rotating Hook Bobb1n Case Tension Regulating Rotating Hook Bobbin Case Tensio!1 Spnng Rotating Hook Section (3) Rotating Hook Thread Guard (4) eedle Bar Set Thread Take-up Crank Position Bell Crank Bracket Feed Reverse Lever Retum Spnng Bracket Arm Shaft (upright) Bevel Gear (lower) Set Arm Shaft (upright) Bevel Gear (upper) Set Rotating Hook Drive Shaft Bevel Gear (back) Set Rotating Hook Drive Shaft Bevel Gear (front) Set Rotating Hook Shaft Bevel Gear Set Thread -:'ake-up Crank Set Rotating Hook Shaft Retainer Collar Needle Bar Crank Position Arm Shaft (horizontal) Flanged Bush1ng (front) Set eedle Bar Frame Pin Set Rotat1ng Hook Shait Bushing (short) Set Rotating Hook Shaft Bushing (long) Set Bight and L-C-R Position Lever Set Feed Bar Center ut (2) Bight and L-C-R Position Lever Thumb Stud :s-ut Feed Lifting Rock Shaft Roller and Stud Arm Dowel Pin (2) Clamp Stop '>lotion Clamp Washer Feed Forked Connection Feed Lifting Rock Shaft Crank with with two Cap Oil Pad (felt) Feed Rock Shaft Crank with eedle Bar Crank with , and Rotating Hook Bobbin Case Latch Spring Thread Take-up Lever Link Hinge Pin Feed Bar Center with (2) Feed Lifting Rock Shaft Center wlth 50-!504 (2) Feed Rock Shaft Center with (2) Zig-Zag Triangular Cam Shaft Oil Wick Feed Regulating Stud Lock Pin Thread Guard (upper) Tension Spring Rotatinl:!: Hook Bobbin Case Tension Spring Bobb1n Winder Tension ut Presser Foot (spring hinged) Complete Arm Shaft (horizontal) Arm Shaft (horizontal) Bevel Gear with two Arm Shaft (horizontal) -'onn Gear with two.-rm Shaft (upright) Arn1 Shaft (upnght) Bevel Gear (lower) with two

3 LST OF?RTS 20U3! 33 1 C PART :-io. DESCRPTO:-i PART :-io. DESCRPTON i 5.' Ann Shaft (upright) Bevel Gear (upper) with two Bed Slide Bed Slide Complete. :-;os and two Bight and L-C R Position Lever Complete, Nos and Bight Amplitude Regulating Plate Spring Bight Amplitude Slide Block Bight Amplitude Slide Block Crank Link Bight Amplitude Slide Block Crank Shaft Bushing Bight Amplitude Slide Block Crank Shaft Bushing Collar with two Bight Amplitude Slide Block Crank Spring Bight Amplitude Slide Block Guide with Bight Amplitude Slide Block Guide Stud Feed Bar Feed Dog Feed Regulator Hinge Stud Needle Bar (hollow) :-;eedle Bar Connecting Stud Hinge Pin eedle Bar Connecting Stud Hinge Pin Vasher eedle Clamp Rotating Hook Drive Shaft Rotating Hook Drive Shaft Bevel Gear (back) with two Rotating Hook Drive Shaft Bevel Gear (front) with two Rotatmg Hook Drive Shaft Bushing (back) Rotating Hook Shaft Rotating Hook Shaft Bevt>l Gear with two Rotating Hook Shaft Bevel Gear Cover Rotatmg Hook Shaft Bushmg (short) Rotatlng Hook Shaft Retainer Collar with two Rotating Hook Thread Guard Set of Gears (lower. back) as and Set of Gears (lower. front) Nos and Set of Grars (upper) os and Tension Releasing Lever Spring Tension Releasing Pin Thread Take-up Crank Thread Take-up Lever with Thread Take-up Lever Complete, os l and Zig-Zag Stitch Regulator Fork Zig-Zag Stitch Regulator Fork Eccentric Connection Pin Bight Amplitude Slide Block Crank Shaft Bushing 'asher Feed Forked Connection with two and two Arm Shaft (horizontal) and eedle Bar Crank Complete. Nos and Bight Amplitude Slide Block Gu1de with );eedle Bar Frame Clamping Stud Rotating Hook Secuon eedle Bar Timing ndicator Plate Bed Plate Bed Plate Bracket Bed Plate Complete. Nos with and two Feed Reverse Lever Return Spring Feed Reverse Lever Return Spring Bracket (hook) eedle Clamp Thread Guard Needle Clamp Complete. Nos and Bight Amplitude Regulatmg Plate Holder.mrl Bight Amplitude Regulaun,.; Plate Complete, os , and Bight and L-C R Position Block Btght J.nd L-C-R Po!'.ition Lever _.rm Bight Amplitude Regulating Plate (left) Bight Amplitude Regulating Plate (right) Bight Amplitude Stop Plate (left) (right) (2)..""eedle Bar Frame :;.: eedle Bar Frame Pin Rotating Hook Drive Shaft Bushing (front) Rotating Hook Shaft Bushing (long) eedle Bar Connecting Link Guide Bight Amplitude Slide Block Crank with , and two Needle Bar (hollow) w;th eedle Bar Frame with , and two Throat Plate & :> Bight Amplitude Regulating Plate Holder Bight and L-C-R Position Lever Thumb Stud Tension Complete. Nos , , and two 2102 Bight Amplitude Slide Block Crank with two Rotating Hook Bobbin Case Holder Presser Bar (hollow) Bight Amplitude Slide Block Crank Shaft Knob Oil Reservoir Set Washer (2) Oil Reservoir Set Spring Lock Washer (2) Feed and Feed Lifting Eccentric Retaining Ring Needle Bar Connecting Link with Needle Bar Connecting Stud Complete. Nos , and Rotating Hook Bobbin Case Holder Position Bracket Thread Take-up Complete. Nos , , and Feed Lifting Rock Shaft with Feed Lifting Rock Shaft Complete. Nos and Arm ( 4) Oil Reservoir Plate Set (front) Bobbin Winder Tension Set Zig-Zag Triangular Cam Shaft Collar Set Bobbin Winder Regulator Set Bobbin '"inder Latch Arm Side Cover Set (4) Thread Take-up Lever Guard Set Bobbin r"inder Bracket Hinge Feed Regulatmg Stud )leedle Bar Connecting Stud Hinge Pin Feed Lifting Rock Shaft Crank Clamping Feed Rock Shaft Crank Clamping Feed Reverse Lever Hinge Stud Cap Arm Top Cover (back) Bight and L-C R Position Block Set Bight Amplitude Slide Block Guide Stud Set Feed Regulator Hinge Stud Set Needle Clamp Thread Guard Set Arm Top Cover (front) Bight Amplitude Slide Block Cap Tension Regulating Thumb Nut (2) Bight and L-C-R Position Lever Pin ut Bight and L-C-R Position Lever.-rm Regulating Nut (2) Ann Shaft (upright) Bushing (lower) Arm Shaft (upright) Bushing (upper) Feed Regulating Stud Lock Pin Spring Tension Releasing Disc Tension Stud Tension Stud with two Feed Rock Shaft Presser Bar Guide Bracket with Presser Bar Lifter Pin Hand wheel (for :,lotor Drive) Handwheel (for Treadle Operation) Presser Bar Lifting and Releasing Lever Bracket Lifting Lever Connecting Rod Pin (2) Bight Amplitude Slide Block Crank Knee Operating Connection Pin Bobbin Winder Bracket Regulating Plate Bobbin Tinder Bracket Spring Bobbin Winder Latch with Bobbin Winder Latch Stud Feed Regulating Stud Head Feed Regulating Stud Head Plate Feed Regulating Stud Head Plate Retainer Bobbin Vinder Bracket Regulating Plate Spring Sturl Arm Shaft (horizontal) Flanged Bushing front) Thread Take-up Spnng Reguiator with Arm Shaft (horizontal) Flanged Bushing (back) Bobbin fhnder Tens1on Complete,.:-.los , and two Bobbin Winder Tension Stud Complete Bobbin 'inder Tension Spring Bobbin Vinder Tension Dtsc (2) Feed Rock Shaft and Feed Rock Shaft Crank Complete. :--los and Bight and L-C R Position Lever Thumb Stud Nut Spnng Vasher Bight Amplitude Stop Plate (left) (right) Washer (2) Feed Reverse Lever L1nk Clamping Arm Shaft (horizontal) Flanged Bushing (back) Set Bight Amplitude Slide Block Crank Set Bight and L-C-R Pos1t1on Lever Pin Bight Amplitude Slide Block Crank Link Hinge

4 NUMERCAL LST OF PARTS 20U3!;33 1tCs PART NO. DESCRPTON PART :'lio. DESCRPTON CAT Zig-Zag Stitch Regulator Fork Eccentric Connection Pin Set Needle Bar Timing ndicator Plate Needle Bar Frame Clamping Stud Bight Amplitude Regulating Plate Holder Set Feed Dog Bight Amplitude Regulating Plate Thumb Bight and L-C R Position Lever Ann Regulating Lifting Lever Hinge Rotating Hook Set Bight and L-C R Position Block Washer (2) Needle (size =<14) {){) {){) ACCESSORES AND A T ACHMENTS (Supplied with :fachine) Rotating Hook Bobbin (4) Presser Foot (spring hinged) Complete (for straight stitching) Hemmer Foot (1/8 hem) (purchased part) Oiler (80cc, filled with type "B" oil) Oiler (80cc, filled with type "C" oil) Cloth Guide (purchased part) Driver (small) Cloth Guide (purchased part) Driver (large) Driver (for throat plate) Feed Dog (for straight stitching) Zipper Foot (purchased part) Presser Foot (spring hinged) Complete (for buttonholing) Throat Plate (for straight stitching) THREAD U:--JWlNDER (for TWO SPOOLS! (Supplied with :Vachine) Thread Cnwinder (for two spools) Complete Thread l;nwinder Spool :--iet (2) Thread Gnwinder Spool Cap (2)

5 SNGER " U 31/33 :;:::J ] :l4 54.!177 <!!:.:{) ', (7) :104007!J _,_ y ifj 57 LlO ill JH :13? ,,, ' / '- 10!1:11 l :, 41 [i[jlg 11110l1/ 5438Gf> 11/7 411)1144 ' 4 1:14' ''t"" cc? L6i (2) 'T J ; i _. _1_54 785_! j (@ J., [ i> o0402b ''9 ;;; [ A / , r v S-_ ) _j o4'j18 b..0, 051ll ajo oo4on] --- j ] (4) 5439;m ,, (3) i CAT , ( som $>sj' (){ :, G8_9_ j ( "' (2) (2) / (2)_: l.e.r 'v; a 'J[)tl(J/

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7 5 lo21 H i u "'. R A , > ---j A l _ :;! 'l CJ l _,;..:: ,-,'---c--., l ' ' CAT " ACCESSORES AND ATTACHMENTS " ' ' 'z-:: "8" Oil "' "C" THREAD UNWNDER (FOR TWO SPOOLS) rr "Lt

MACHINE PARTS CHART SINGER*

MACHINE PARTS CHART SINGER* -- ------ ----------"'- Form U 3 2 2 7 ( 6 8 1).. Part Nn543234-002 MACHINE PARTS CHART for.. SINGER* 20U43 * A Trademark of THE SINGER COMPANY Copyright 1981 THE SINGER COMPANY Alt Rights Reserved Throughout