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Kenmore
Mechanical Sewing Machine

Model # 3851254180 Official Kenmore sewing machine

Here are the diagrams and repair parts for Official Kenmore 3851254180 sewing machine, as well as links to manuals and error code tables, if available.

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Owner’s manual
Error Codes

Model diagram and schematic

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ALL PARTS
Showing 9 of 245 parts  |
Control 731608207
#21

Cam block frame assembly diagram

Control

Part #731608207

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

Spring 651014003
#8

Thread tension assembly diagram

Spring

Part #651014003

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

Cam Block 649608003
#1

Cam block frame assembly diagram

Cam block

Part #649608003

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

Spring Plate 730006000
#37

Bobbin winder unit and top cover diagram

Spring plate

Part #730006000

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

Nut 000061102
#24

Bobbin winder unit and top cover diagram

Nut

Part #000061102

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

Bed Cover 730601104
#34

Bobbin winder unit and top cover diagram

Bed cover

Part #730601104

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

Washer 650178003
#11

Thread tension assembly diagram

Washer

Part #650178003

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

Bushing 640037008
#26

Shuttle race assembly diagram

Bushing

Part #640037008

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

Tie Wrap 000053008
Tie wrap

Part #000053008

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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