Diagrams and Assemblies
This document provides a detailed parts breakdown for the Singer 18U322 sewing machine. The diagrams illustrate the various components and their assembly. Key sections depicted include:
- Main Machine Assembly: Shows the overall structure of the sewing machine, including the arm, base, and major functional units like the presser bar, needle bar, and shuttle mechanism.
- Sub-Assemblies: Detailed views of specific mechanisms such as the thread take-up system, feed mechanism, tension control, and shuttle driver. These diagrams highlight the arrangement and connection of numerous small parts like springs, screws, cams, and shafts.
- Optional Parts: Illustrations and lists for accessories and optional components that can be fitted to the machine, such as thread unwinder assemblies and bobbin winders.
Parts List
The following tables list the components by part number and description. This list consolidates parts from various sections of the original document.
| Part No. | Description |
|---|---|
| 2070 | Presser Bar Spring Washer |
| 2073 | Shuttle Bobbin |
| 2102 | Tension Disc (2) |
| 2113 | Thread Retaining Disc Steady Pin |
| 2114 | Thread Retaining Spring |
| 2115 | Thread Retaining Stud |
| 2308 | Presser Bar Spring |
| 6472 | Shuttle Race Cap Latch |
| 12424 | Oscillating Shaft Crank Slide Block Cap Screw Washer |
| 16303 | Feed Dog |
| 52165 | Feed Connecting Link |
| 52239 | Arm Spool Pin and Thread Eyelet |
| 125044 | Crank Connecting Rod Oil Pad (felt) |
| 125314 | Tension Spring |
| 139603 | Feed Regulator Hinge Screw Friction Washer |
| 143058 | Needle Bar Connecting Stud Slide Block |
| 154759 (850) | Crank Connecting Rod Hinge Screw |
| 154759 (850) | Feed Connecting Link Hinge Screw (2) |
| 154759 (850) | Feed Forked Connection Hinge Screw |
| 154981 (819) | Crank Connecting Rod Hinge Screw Nut |
| 154981 (819) | Feed Connecting Link Hinge Screw Nut (2) |
| 154981 (819) | Feed Forked Connection Hinge Screw Nut |
| 154981 (819) | Needle Bar Connecting Link Hinge Screw Nut |
| 504002 (850) | Arm Shaft Bushing (back) Set Screw |
| 504002 (850) | Arm Shaft Bushing (intermediate) Set Screw |
| 504002 (850) | Arm Shaft Counterbalance Set Screw |
| 504002 (850) | Feed Cam Set Screw |
| 504004 (852) | Arm Side Cover Thumb Screw |
| 504004 (852) | Cylinder Side Cover Thumb Screw |
| 504007 (850) | Feed Rock Shaft Collar Set Screw (2) |
| 504010 (853) | Arm Thread Eyelet Set Screw |
| 504028 (803) | Presser Bar Lifter Bracket Set Screw |
| 504029 (833) | Tension Screw Stud Set Screw |
| 504029 (833) | Tension Releaser Collar Set Screw |
| 504063 (810) | Roller Presser Screw |
| 504064 (805) | Arm Screw (3) |
| 504071 (833) | Face Plate Screw (2) |
| 504080 (851) | Crank Connecting Rod Cap Screw (2) |
| 504091 (803) | Feed Dog Screw |
| 504101 (830) | Belt Safety Guard Shaft Set Screw |
| 504134 (833) | Oscillating Shaft Crank Set Screw |
| 504504 (819) | Oscillating Rock Shaft Hinge Pin Lock Nut |
| 505001 | Arm Dowel Pin (2) |
| 505008 | Arm Spool Pin Washer (felt) |
| 505140 | Needle Bar Bushing (upper) |
| 543096-001 | Roller Presser Complete (1-1/4 in. fine roller) |
| 544406 (850) | Thread Take-up Lever Hinge Screw |
| 545098 (850) | Thread Take-up Lever Hinge Screw Set Screw |
| 545181 | Thread Retaining Stud Set Screw |
| 545232 (833) | Thread Take-up Cam Set Screw |
| 545236 (803) | Feed Rock Shaft Crank Set Screw |
| 545256 (850) | Lifting Lever Hinge Screw |
| 545284 (802) | Arm Shaft Screw |
| 545292 (803) | Shuttle Race Cap Screw Locking Screw (2) |
| 545404 (852) | Tension Disc Regulating Thumb Nut |
| 545456 (851) | Pressure Regulating Thumb Screw Lock Nut |
| 547703 | Arm Shaft |
| 547706 | Arm Side Cover |
| 547707 | Crank Connecting Rod with 125044 and two 504071 (833) |
| 547720 | Machine Pulley (disc) with two 549359 (850) |
| 547725 | Oscillating Rock Shaft with 547791 |
| 547726 | Oscillating Rock Shaft complete, Nos. 547725 with 547728 |
| 547727 | Oscillating Rock Shaft Hinge Pin |
| 547728 | Oscillating Rock Shaft Hinge Pin 547727 with 504504 (819) |
| 547731 | Oscillating Shaft Crank with Slide Block Screw Stud |
| 547732 | Presser Bar |
| 547743 | Feed Cam with 504002 (850) |
| 547744 | Shuttle Bobbin 2073 with 547772 |
| 547752 | Tension Screw Stud |
| 547753 | Tension Screw Stud 547752 with 545404 (856) |
| 547754 | Thread Retaining Disc with 2113 |
| 547755 | Thread Retainer Guide complete, Nos. 547754, 2114 and 2115 |
| 547766 | Shuttle Body with Cover |
| 547769 | Arm Shaft Bushing (intermediate) |
| 547772 | Oscillating Shaft Crank complete, Nos. 547731, 547790, 549083 (809), 12424 and 504134 (833) |
| 547774 | Feed Rock Shaft Crank with 545236 (803) |
| 547786 | Oscillating Shaft Crank Slide Block |
| 547790 | Oscillating Rock Shaft Oil Pad (felt) |
| 547791 | Needle Bar Connecting Stud with 549380 (853) |
| 547798 | Face Plate with 547828 |
| 547804 | Feed Regulator 547809 with 549087 (851) |
| 547805 | Feed Dog Carrier |
| 547807 | Feed Regulator |
| 547809 | Feed Rock Shaft |
| 547810 | Tension Releaser |
| 547815 | Presser Bar Lifter Bracket Lifting Plate |
| 547817 | Shuttle Race |
| 547818 | Shuttle Race Cap |
| 547819 | Shuttle Race Cap complete, Nos. 6472, 547820 and 549065 (810) |
| 547820 | Lifting Lever Spring |
| 547821 | Lifting Lever |
| 547822 | Face Plate complete, Nos. 504029 (833), 545181, 547755, 547804, 547836, 547840 and 229 (809) |
| 547823 | Tension Thread Guard |
| 547824 | Throat Plate |
| 547828 | Thread Take-up Spring |
| 547829 | Thread Take-up Spring Regulator Plate |
| 547830 | Feed Rock Shaft |
| 547831 | Feed Rock Shaft 547810 with 547807 |
| 547832 | Needle Clamp (body) 547852 with 549055 (858) and 547739 |
| 547833 | Needle Clamp Thread Guide 547851 with 549054 (851) |
| 547834 | Tension complete, Nos. 125314, 547835, 547753 and two 2102 |
| 547835 | Presser Bar Lifter |
| 547836 | Feed Forked Connection |
| 547837 | Feed Forked Connection complete, Nos. 547847, 52165, 547805 and two each 154759 (850) and 154981 (819) |
| 547838 | Needle Clamp Thread Guide |
| 547839 | Needle Clamp (body) |
| 547840 | Needle Bar Bushing (lower) |
| 547843 | Arm Side Cover Thumb Screw |
| 547847 | Feed Regulator Hinge Screw Friction Washer |
| 547848 | Face Plate Screw (2) |
| 547849 | Arm Screw (3) |
| 547851 | Crank Connecting Rod Cap Screw (2) |
| 547852 | Feed Dog Screw |
| 547853 | Shuttle Driver and Feed Lifting Cam |
| 547854 | Presser Bar Bushing |
| 547855 | Cylinder Side Cover |
| 547861 | Needle Bar (hollow) |
| 547862 | Arm Shaft Counterbalance |
| 547863 | Oscillating Shaft |
| 547864 | Oscillating Shaft 547863 with 547774, 547818 and 548170 |
| 547865 | Arm Shaft Bushing (front) |
| 547892 | Presser Bar Lifter Bracket with 504028 (803) |
| 547894 | Tension Releaser Collar with 549103 and 504029 (833). |
| 547897 | Belt Safety Guard |
| 547899 | Arm Thread Eyelet |
| 547974 | Thread Take-up Lever Roller Stud complete |
| 547982 | Thread Take-up Lever 547983 with 544406 (850) |
| 547983 | Thread Take-up Lever with 547974 |
| 548170 | Oscillating Shaft Crank Pin |
| 548416 | Shuttle Driver and Feed Lifting Cam Pin |
| 549052 (803) | Thread Take-up Cam Pin |
| 549054 (851) | Feed Rock Shaft Crank Position Screw |
| 549055 (858) | Needle Bar Connecting Link Hinge Screw |
| 549057 (810) | Needle Clamp Thread Guide Screw |
| 549058 (851) | Pressure Regulating Thumb Screw |
| 549065 (810) | Shuttle Race Cap Latch Screw (2) |
| 549074 (803) | Feed Regulator Hinge Screw |
| 549083 (809) | Oscillating Shaft Crank Slide Block Cap Screw |
| 549087 (851) | Feed Regulator Thumb Screw |
| 549099 (810) | Shuttle Race Screw (4) |
| 549102 (810) | Tension Releaser Hinge Screw |
| 549103 (810) | Tension Releaser Collar Screw Pin |
| 549105 (853) | Presser Bar Lifter Lever Chain |
| 549106 (806) | Throat Plate Screw (2) |
| 549147 (803) | Presser Bar Lifter Bracket Lifting Plate Set Screw (2) |
| 549359 (850) | Machine Pulley Set Screw (2) |
| 549370 (810) | Shuttle Race Cap Screw (2) |
| 549380 (853) | Needle Bar Connecting Stud Set Screw |
| 549751 | Feed Rock Shaft Collar with two 504007 (850) |
| 549754 | Needle Bar Connecting Link |
| 549755 | Needle Bar Connecting Link 549754 with 549769 |
| 549769 | Needle Bar Connecting Stud 547798 with 143058 |
| 549788 | Arm Shaft 547703 with 547743, 548416, 547862, 549789 and 504002 (850) |
| 549789 | Thread Take-up Cam with 545232 (833) |
| 549790 | Needle (16x6, #10) |
| CAT. 2220 | Needle (16x6, #10) (6) |
| 2073 | Shuttle Bobbin (4) |
| 2180 | Presser Foot |
| 4918 | Wrench (for 545456) |
| 6053 | Drip Pan |
| 6055 | Machine Bolt Washer (4) |
| 505656-001 | Thread Unwinder (for two spools) complete (Include three Wood Screw) (Purchased Assembly) |
| 541513 | Screw Driver (large) |
| 541514 | Screw Driver (small) |
| 545464 (809) | Machine Bolt Nut (14) |
| 546923 | Oiler (Filled with Singer Type "B" Oil) |
| 547766 | Machine Bed Cushion |
| 547845-001 | Universal Bobbin Winder complete (Include two Wood Screw) (Purchased Assembly) |
| 547846 | Wrench (for 545454 and 545455) |
| 547930 | Wrench (for 154981) |
| 549071 (809) | Machine Bolt (4) |
| 549768 | Machine Bolt (4) |
| 6338 | Rock Shaft Lifting Bracket Hook |
| 504105 (809) | Rock Shaft Knee Arm Hub Set Screw |
| 504105 (809) | Rock Shaft Knee Plate Set Screw |
| 504105 (809) | Rock Shaft Lifting Bracket Hook Set Screw |
| 504105 (809) | Rock Shaft Lifting Bracket Set Screw |
| 504105 (809) | Rock Shaft Stop Dog Set Screw (2) |
| 504510 (809) | Rock Shaft Knee Arm Clamping Nut |
| 505397 | Rock Shaft |
| 505398 | Rock Shaft Hanger (2) |
| 505400 | Rock Shaft Knee Arm Hub with 504105 (809) |
| 505402 | Rock Shaft Knee Plate with 504105 (809) |
| 505651 | Rock Shaft Stop Dog with two 504105 (809) (2) |
| 547829 | Presser Bar Lifter Lever Chain |
| 547830 | Rock Shaft complete, Nos. 505397, 547832, 547833, two each 505651 and 505398 and four Wood Screws (1", No. 10) |
| 547831 | Rock Shaft Knee Arm |
| 547832 | Rock Shaft Knee Arm complete, Nos. 504510 (809), 547831, 505400 and 505402 |
| 547833 | Rock Shaft Lifting Bracket with 6338 and two 504105 (809) |
| 549295 | Wood Screw (1" No. 10) (4) |
| 547803 | Cloth Plate Slide complete, Nos. 547849, 547860 and two 549148 |
| 547808 | Cloth Plate complete Kit, Nos. 547803, 547857, 547858, two 549105 and 549706 |
| 547849 | Cloth Plate Slide Spring |
| 547857 | Cloth Plate Bracket |
| 547858 | Cloth Plate Bracket Set Screw |
| 547860 | Cloth Plate Slide |
| 549105 (853) | Cloth Plate Screw (2) |
| 549148 (832) | Cloth Plate Slide Spring Screw (2) |
| 549706 | Cloth Plate |
