Singer
Mechanical Sewing Machine

Model # 1025 Official Singer sewing machine

Here are the diagrams and repair parts for Official Singer 1025 sewing machine, as well as links to manuals and error code tables, if available.

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Model diagram and schematic

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Showing 10 of 348 parts  |

Needle Pack 353364
#13

Accessory and packing diagram

Needle pack

Part #353364

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

Cam Stack 403271
Cam stack

Part #403271

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

Washer 40327-001
#45

Pattern selector module - 1027 diagram

Washer

Part #40327-001

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

Lead Holder Spring 403018
#39

Housing diagram

Lead holder spring

Part #403018

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

Feed Regulator Connecting Stud 403139
#40

Switch length drive diagram

Feed regulator connecting stud

Part #403139

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

Arm Shaft Bushing 403072
#2

Air shaft/handwheel/bobbin winder diagram

Arm shaft bushing

Part #403072

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

Drive Gear 403108
#18

Hook drive system diagram

Drive gear

Part #403108

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

Screw, Pattern Selector Adjusting 403163-002
Screw, pattern selector adjusting

Part #403163-002

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

Insert, Feed Regulator Connecting 403563
#36-4

Switch length drive diagram

Insert, feed regulator connecting

Part #403563

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

Shuttle Race Frame Assembly With Gate 403507
#26

Hook drive system diagram

Shuttle race frame assembly with gate

Part #403507

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: power supply failure, bad power cord, faulty On/Off switch…

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

Main causes: problems with the feed dogs, setting stitch length to 0…

Main causes: dirty shuttle race, improper thread routing, incorrect thread tension…

Main causes: disengaged clutch, broken drive belt, internal drive gear failure…

Main causes: faulty foot pedal, locked drive gears, wiring failure, bad drive motor…

Main causes: dirty shuttle race, wrong thread tension, bad needle timing, damaged needle, using the wrong type of needle…

Main causes: thread bunched up in the shuttle race, bad needle timing, internal drive gear failures…

Main causes: machine needs lubrication, internal gear failure…

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 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
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 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

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…