White
Mechanical Sewing Machine

Model # WHITE4075 Official White sewing machine

Here are the diagrams and repair parts for Official White WHITE4075 sewing machine, as well as links to manuals and error code tables, if available.

There are a couple of ways to find the part or diagram you need:

  • Click a diagram to see the parts shown on that diagram.
  • In the search box below, enter all or part of the part number or the part’s name.

Not all parts are shown on the diagrams—those parts are labeled NI, for “not illustrated”.

We encourage you to save the model to your profile, so it’s easy to access parts and manuals for your appliance whenever you log in.

For DIY troubleshooting advice and repair guides, visit our repair help section.

Model diagram and schematic

SEARCH WITHIN THIS MODEL

?

This is the number corresponding to the part on the diagram / schematic

Search
ALL PARTS
Showing 10 of 267 parts  |

Worm Gear 150005-143-F
#32

Upper shaft diagram

Worm gear

Part #150005-143-F

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

Selecting Cam 1921006-531
#32A

Zigzag generating diagram

Selecting cam

Part #1921006-531

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

Sewing Machine Buttonhole Foot 150022-390
#3

Accessories diagram

Sewing machine buttonhole foot

Part #150022-390

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

Feed Dog 1921004-513
#16

Upper shaft diagram

Feed dog

Part #1921004-513

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

Set Screw 10401-B
#19

Needle bar diagram

Set screw

Part #10401-B

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

Adj Nut 30403
Adj nut

Part #30403

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

Washer 60404
#9

Zigzag generating diagram

Washer

Part #60404

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

Bushing 150003-112-E
#37

Upper shaft diagram

Bushing

Part #150003-112-E

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

Feed Regulator Rod 1921004-129
#14

Reverse and zigzag sewing diagram

Feed regulator rod

Part #1921004-129

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

Washer 60410
#38

Needle bar diagram

Washer

Part #60410

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

Main causes: machine needs lubrication, internal gear failure…

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

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

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: 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…