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.

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Browse Parts for
SX100 Sewing Machines
Singer Guid Plate 385218
#21

Moving knife components diagram

Singer guid plate

Part #385218

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

Collar 385137
#35

Needle plate,hook drive shaft diagram

Collar

Part #385137

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

Singer Block 385183
#33

Needle plate,hook drive shaft diagram

Singer block

Part #385183

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

Sewing Machine Screw 283470
#21

Thread trim link&operating lever diagram

Sewing machine screw

Part #283470

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

Singer Plate Assembly 385062
#35

Tension release plate&one stitch diagram

Singer plate assembly

Part #385062

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

Singer Power Control Board Assembly 385077
#12

Front panel/ circuit board diagram

Singer power control board assembly

Part #385077

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

Singer Mounting Base 385312
#2

Motor&power circuit board diagram

Singer mounting base

Part #385312

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

Singer Mounting Base 385087
#1

Motor&power circuit board diagram

Singer mounting base

Part #385087

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

Singer Spring 385254
#5

Tension release plate&one stitch diagram

Singer spring

Part #385254

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

Singer Transformer 385088
#41

Motor&power circuit board diagram

Singer transformer

Part #385088

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.

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

Main causes: machine needs lubrication, internal gear failure…

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

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

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

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

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

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

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

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.

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.…

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. …

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…

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.

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.…

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.…

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…