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Singer
Overlock Sewing Machine

Model # 14SH744 Official Singer overlock sewing machine

Here are the diagrams and repair parts for Official Singer 14SH744 overlock sewing machine, as well as links to manuals and error code tables, if available.

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

Owner’s manual
Error Codes

Model diagram and schematic

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ALL PARTS
Showing 10 of 181 parts  |
Cam Body 557715
#1

Feed regulator diagram

Cam body

Part #557715

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

Crank Rod 550463-900
#29

Feed crank diagram

Crank rod

Part #550463-900

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

Sewing Machine Thread Guide 412531
#8

Tension assy diagram

Sewing machine thread guide

Part #412531

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

Driver 541514
#2

Accessories diagram

Driver

Part #541514

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

Oil Felt 550304
#26

Shaft assy diagram

Oil felt

Part #550304

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

Crank Bar 550405-900
#7

Shaft assy diagram

Crank bar

Part #550405-900

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

Knife 550436-391
#44

Knife assy diagram

Knife

Part #550436-391

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

Shaft 376813
#18

Looper diagram

Shaft

Part #376813

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

Washer 543803-002
Washer

Part #543803-002

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

Bar Spring 410355
#23

Shaft assy diagram

Bar spring

Part #410355

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 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 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 does my sewing machine make a knocking sound?

Main causes: machine needs lubrication, internal gear failure…

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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 is my sewing machine running sluggishly?

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

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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 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 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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