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Singer
Mechanical Sewing Machine

Model # SX100 Official Singer sewing machine

Here are the diagrams and repair parts for Official Singer SX100 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:

  • Click a diagram to see the parts shown on that diagram.
  • 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 399 parts  |
Screw 283252
#6

Thread trim link&operating lever diagram

Screw

Part #283252

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

Sewing Machine Screw 283486
Sewing machine screw

Part #283486

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

Singer Switch 385079
#18

Front panel/ circuit board diagram

Singer switch

Part #385079

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

Singer Power Control Board Assembly 385094
#23

Motor&power circuit board diagram

Singer power control board assembly

Part #385094

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

Singer Plate 385164
#2

Tension release plate&one stitch diagram

Singer plate

Part #385164

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

Singer Shaft 385173
#13

Needle plate,hook drive shaft diagram

Singer shaft

Part #385173

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

Singer Cover 385015
#7

Upper cover&plate&base tension diagram

Singer cover

Part #385015

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

Singer Washer 385256
#11

Tension release plate&one stitch diagram

Singer washer

Part #385256

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

Cover Pile 283295
#64

Needle bar, presser bar and lamp diagram

Cover pile

Part #283295

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

Singer Feed Bar 385175
#20

Needle plate,hook drive shaft diagram

Singer feed bar

Part #385175

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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