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Model # 158440 Official Kenmore sewing machine head

Here are the diagrams and repair parts for Official Kenmore 158440 sewing machine head, as well as links to manuals and error code tables, if available.

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Model diagram and schematic

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ALL PARTS
Showing 10 of 229 parts  |

Lock Screw 4046
#80

Base assembly diagram

Lock screw

Part #4046

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

Screw 4074
#185

Feed regulator assembly diagram

Screw

Part #4074

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

Limit Rack 4036
#62

Base assembly diagram

Limit rack

Part #4036

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

Sewing Machine Set Screw 674
#165

Presser bar and shuttle assembly diagram

Sewing machine set screw

Part #674

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

Washer 4025
#29

Base assembly diagram

Washer

Part #4025

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

Spring 4033
#57

Base assembly diagram

Spring

Part #4033

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

Bushing 3
#164

Presser bar and shuttle assembly diagram

Bushing

Part #3

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

Bar Block 79
#187

Feed regulator assembly diagram

Bar block

Part #79

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

Set Screw 4070
#194

Feed regulator assembly diagram

Set screw

Part #4070

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

Thrd Regultr 4029
#46

Base assembly diagram

Thrd regultr

Part #4029

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

Most common symptoms to help you fix your freestanding freezers

Choose a symptom to see related freezer repairs.

Main causes: lack of power, bad compressor, refrigerant leak, bad thermistor, defrost system failure, dirty condenser co…

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Main causes: damaged door or lid gasket, cracked cabinet liner, bad defrost bi-metal thermostat, broken defrost heater, …

Main causes: dirty condenser coils, condenser fan failure, dirty bottom front grill, leaky door or lid gasket…

Main causes: excessive frost, bad defrost heater, bad defrost bi-metal, control system failure, low refrigerant charge, …

Main causes: lack of power, control system failure, broken compressor start relay, locked up compressor, compressor moto…

Main causes: leaky door or lid gasket, broken defrost heater, bad defrost bi-metal thermostat, defrost control failure, …

Repair guides for upright freezers

How to replace a freezer door switch

How to replace a freezer door switch

When the door switch fails, the freezer can’t detect that the door is closed. Follow the steps in this repair guide to r…

Repair difficulty
Time required
 15 minutes or less
How to replace a freezer thermistor

How to replace a freezer thermistor

When the thermistor can’t sense the freezer temperature, the freezer is colder or warmer than the set temperature. Follo…

Repair difficulty
Time required
 45 minutes or less
How to replace a freezer evaporator fan

How to replace a freezer evaporator fan

Air won’t circulate to cool the freezer properly when the evaporator fan fails. Follow these step-by-step instructions t…

Repair difficulty
Time required
 45 minutes or less

Effective articles & videos to help repair your freestanding freezers

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How to repair broken or damaged wires video

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Freezer common questions

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