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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  |
Supporter 652020005
#36

Base assembly diagram

Supporter

Part #652020005

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

Sewing Machine Timing Gear 650063004
#39

Zigzag guide assembly diagram

Sewing machine timing gear

Part #650063004

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

Roller 652099005
#12

Feed regulator assembly diagram

Roller

Part #652099005

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

Screw 000104304
#8

Zigzag guide assembly diagram

Screw

Part #000104304

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

Sewing Machine Arm Cover Thread Guide 652013005
#3

Base assembly diagram

Sewing machine arm cover thread guide

Part #652013005

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

Sewing Machine Screwdriver 820832005
#15

Attachment parts diagram

Sewing machine screwdriver

Part #820832005

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

Sewing Machine Set Screw 000103509
Sewing machine set screw

Part #000103509

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

Pin 822072005
#12

Presser bar assembly diagram

Pin

Part #822072005

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

Janome Set Screw 102073003
#30

Zigzag guide assembly diagram

Janome set screw

Part #102073003

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

Janome Ring 820387000
#34

Feed regulator assembly diagram

Janome ring

Part #820387000

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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