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Singer
Mechanical Sewing Machine

Model # 9020 Official Singer sewing machine

Here are the diagrams and repair parts for Official Singer 9020 sewing machine, as well as links to manuals and error code tables, if available.

There are a couple of ways to find the part or diagram you need:

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  • In the search box below, enter all or part of the part number or the part’s name.

Not all parts are shown on the diagrams—those parts are labeled NI, for “not illustrated”.

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For DIY troubleshooting advice and repair guides, visit our repair help section.

Error Codes

Model diagram and schematic

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ALL PARTS
Showing 10 of 177 parts  |
Retaining Ring 313783
#12

Hook system (apollo) diagram

Retaining ring

Part #313783

The manufacturer no longer makes this part, and there's no substitute part

Sewing Machine Bobbin Case Position Plate 313089
#1

Hook system (apollo) diagram

Sewing machine bobbin case position plate

Part #313089

The manufacturer no longer makes this part, and there's no substitute part

Stud Spring 312607
#10

Hook system (apollo) diagram

Stud spring

Part #312607

The manufacturer no longer makes this part, and there's no substitute part

Washer 313891
#6

Pattern stitch length control and cam controlled feed diagram

Washer

Part #313891

The manufacturer no longer makes this part, and there's no substitute part

Mounting Bracket 314591
#2

Coaxial presser bar system diagram

Mounting bracket

Part #314591

The manufacturer no longer makes this part, and there's no substitute part

Bed Cover 314774-003
#29A

Covers and add ons diagram

Bed cover

Part #314774-003

The manufacturer no longer makes this part, and there's no substitute part

Lt Bulb 240v 194120-021
#8A

Electrical equipment diagram

Lt bulb 240v

Part #194120-021

The manufacturer no longer makes this part, and there's no substitute part

Sewing Machine Needle Plate 314666
#1

Covers and add ons diagram

Sewing machine needle plate

Part #314666

The manufacturer no longer makes this part, and there's no substitute part

Retaining Ring 286595-451
#2

Hand wheel diagram

Retaining ring

Part #286595-451

The manufacturer no longer makes this part, and there's no substitute part

Sewing Machine Zigzag Foot 313150
#6

Coaxial presser bar system diagram

Sewing machine zigzag foot

Part #313150

The manufacturer no longer makes this part, and there's no substitute part

Most common symptoms to help you fix your sewing machines

Choose a symptom to see related sewing machine repairs.

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Why doesn't my sewing machine motor run?

Main causes: faulty foot pedal, locked drive gears, wiring failure, bad drive motor…

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Why does my sewing machine make a knocking sound?

Main causes: machine needs lubrication, internal gear failure…

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Why does the bobbin thread break in my sewing machine?

Main causes: dirty shuttle race, improper thread routing, incorrect thread tension…

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Why is my sewing machine skipping stitches?

Main causes: dirty shuttle race, wrong thread tension, bad needle timing, damaged needle, using the wrong type of needle…

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Why won't fabric move through my sewing machine?

Main causes: problems with the feed dogs, setting stitch length to 0…

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Why won't my sewing machine needle move?

Main causes: disengaged clutch, broken drive belt, internal drive gear failure…

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Why is my sewing machine running sluggishly?

Main causes: lack of lubrication, lint buildup, worn drive belt, faulty drive motor…

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Why does my sewing machine lock up?

Main causes: thread bunched up in the shuttle race, bad needle timing, internal drive gear failures…

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Why won't my sewing machine turn on?

Main causes: power supply failure, bad power cord, faulty On/Off switch…

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Most common repair guides to help fix your sewing machines

These step-by-step repair guides will help you safely fix what’s broken on your sewing machine.

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How to replace a sewing machine on/off switch

How to replace a sewing machine on/off switch

If the sewing machine is completely dead, replace the On/Off switch using these 6 steps.…

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Repair difficulty
Time required
 30 minutes or less
How to replace a sewing machine drive belt

How to replace a sewing machine drive belt

You can replace a broken sewing machine drive belt in about 15 minutes. …

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Repair difficulty
Time required
 15 minutes or less
How to replace a sewing machine drive motor

How to replace a sewing machine drive motor

If the drive motor on your sewing machine runs roughly or doesn't run at all, you can replace it in about 30 minutes usi…

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Repair difficulty
Time required
 15 minutes or less

Effective articles & videos to help repair your sewing machines

Use the advice and tips in these articles and videos to get the most out of your sewing machine.

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How to enjoy all the online benefits we offer on our Sears PartsDirect website

How to enjoy all the online benefits we offer on our Sears PartsDirect website

Learn about all the convenient features on our Sears PartsDirect website that make your parts purchases easier.…

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Top questions about Sears and Sears PartsDirect

Top questions about Sears and Sears PartsDirect

Get answers to frequently asked questions about Sears and Sears PartsDirect.…

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How to use a multimeter to test electrical parts video

How to use a multimeter to test electrical parts video

Learn how to use a multimeter to check for wiring problems in an appliance that's not working…

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