#NI04
All parts diagram
Light bulb
Part #130629006
The manufacturer no longer makes this part, and there's no substitute part
Arm end cover (not used)
Part #N/P
The manufacturer no longer makes this part, and there's no substitute part
Model # 4220 Official Singer sewing machine
Here are the diagrams and repair parts for Official Singer 4220 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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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
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
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
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.
Learn about all the convenient features on our Sears PartsDirect website that make your parts purchases easier.…
Get answers to frequently asked questions about Sears and Sears PartsDirect.…
Learn how to use a multimeter to check for wiring problems in an appliance that's not working…