Mechanical Sewing Machine

Model # 14J334 Official Singer serger

Here are the diagrams and repair parts for Official Singer 14J334 serger, as well as links to manuals and error code tables, if available.

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Browse Parts for
14J334 Sewing Machines
Singer Receiver B 72748
#72748

Knife lever assembly/collar diagram

Singer receiver b

Part #72748

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

Sewing Machine Screw 72791
Sewing machine screw

Part #72791

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

Singer Pressure Disc 72347
#72347

Presser disc receiver diagram

Singer pressure disc

Part #72347

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

Singer Holder 79027
#79027

Extension bar/bracket/thread diagram

Singer holder

Part #79027

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

Sewing Machine Bushing 66437
Sewing machine bushing

Part #66437

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

Sewing Machine Screwdriver 74793
#74793

Spanner/accessory set diagram

Sewing machine screwdriver

Part #74793

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

Singer Shaft 72815
#72815

Driving arm/compression spring diagram

Singer shaft

Part #72815

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

Singer Motor 72950
#72950

Motor pulley/ timing belt diagram

Singer motor

Part #72950

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

Singer Clamp 72270
#72270

Crank rod arm/needle bar crank diagram

Singer clamp

Part #72270

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

E6-clip 10963
E6-clip

Part #10963

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…

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