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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Browse Parts for
3851254180 Sewing Machines
Sewing Machine Hemmer Foot 200012104

#NI

All parts diagram

Sewing machine hemmer foot

Part #200012104

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

Washer 000070506
Washer

Part #000070506

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

Plate 605030002
#25

Feed regulating shaft complete diagram

Plate

Part #605030002

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

Set Screw 000077503
#31

Bobbin winder unit and top cover diagram

Set screw

Part #000077503

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

Lower Shaft 647142008
#28

Shuttle race assembly diagram

Lower shaft

Part #647142008

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

Sewing Machine Thread Guide 730501000
#3

Bobbin winder unit and top cover diagram

Sewing machine thread guide

Part #730501000

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

Lever 649008007
#23

Bobbin winder unit and top cover diagram

Lever

Part #649008007

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

Thread Guide 649007006
#7

Bobbin winder unit and top cover diagram

Thread guide

Part #649007006

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

Sewing Machine Bobbin Winder 649612000
#17

Bobbin winder unit and top cover diagram

Sewing machine bobbin winder

Part #649612000

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…