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Kenmore
Mechanical Sewing Machine

Model # 3851782480 Official Kenmore sewing machine

Here are the diagrams and repair parts for Official Kenmore 3851782480 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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Showing 10 of 275 parts  |
Nut 822314002
#26

Bobbin winder diagram

Nut

Part #822314002

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

Indicator Guide 652072002
#15

Feed regulator assembly diagram

Indicator guide

Part #652072002

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

Washer 656159006
#28

Shuttle assembly diagram

Washer

Part #656159006

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

Sewing Machine Set Screw 810220003
#5

Bobbin winder diagram

Sewing machine set screw

Part #810220003

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

Lower Shaft 650610002
#45

Shuttle assembly diagram

Lower shaft

Part #650610002

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

Sewing Machine Set Screw 820374004
#14

Shuttle assembly diagram

Sewing machine set screw

Part #820374004

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

Sewing Machine Set Screw 810346006
#24

Zigzag guide assembly diagram

Sewing machine set screw

Part #810346006

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

Supporter 650038000
#17

Presser bar assembly diagram

Supporter

Part #650038000

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

Reg Rod 652082005
#6

Zigzag guide assembly diagram

Reg rod

Part #652082005

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

Janome Crank Pin 652512009
#39

Presser bar assembly diagram

Janome crank pin

Part #652512009

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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