Craftsman
Accessory

Model # 842240621 Official Craftsman 40" snow thrower

Here are the diagrams and repair parts for Official Craftsman 842240621 40" snow thrower, 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 161 parts  |

Handle Grip 3339
#73

Main frame diagram

Handle grip

Part #3339

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

Pulley 11496
Pulley

Part #11496

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

Spring 3059
Spring

Part #3059

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

Washer 4143
#16

Auger assembly diagram

Washer

Part #4143

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

Snowblower Chain Guard 3036
#73

Auger assembly diagram

Snowblower chain guard

Part #3036

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

Plate Washer 6979
#59

Auger assembly diagram

Plate washer

Part #6979

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

Spring 3293
#82

Main frame diagram

Spring

Part #3293

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

Anchor 9492
#35

Main frame diagram

Anchor

Part #9492

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

Pin 10070
#61

Main frame diagram

Pin

Part #10070

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

Washer GM446363
Washer

Part #GM446363

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

Most common symptoms to help you fix your heating & cooling combined units

Choose a symptom to see related heating and air conditioning system repairs.

Thermostat problem, clogged air filter, burner failure…

Dirty air filter, clogged condenser coils, low refrigerant charge, faulty compressor…

Thermostat problems, bad compressor/condenser fan capacitor, lack of refrigerant, failed compressor…

Main causes: errant thermostat settings, lack of electrical power, clogged drain line, wiring failure, control failure.…

Main causes: Errant thermostat settings, lack of power, bad interlock switches, lack of exhaust ventilation, wiring fail…

Dirty flame sensor, failed flame sensor, damaged burner, bad high limit switch…

Most common repair guides to help fix your heating & cooling combined units

These step-by-step repair guides will help you safely fix what’s broken on your HVAC system.

How to unclog the air conditioner drain line

How to unclog the air conditioner drain line

The condensate drain line for your central air conditioner can clog with mold and mildew. Water will back up and start d…

Repair difficulty
Time required
 15 minutes or less
How to replace the furnace flame sensor

How to replace the furnace flame sensor

The flame sensor detects when furnace burner flames are lit. You may need to replace the flame sensor if flames only sta…

Repair difficulty
Time required
 15 minutes or less
How to replace a heating and air conditioning system thermostat

How to replace a heating and air conditioning system thermostat

The control thermostat for your HVAC system can stop working. This repair guide shows how to replace it.…

Repair difficulty
Time required
 30 minutes or less

Effective articles & videos to help repair your heating & cooling combined units

Use the advice and tips in these articles and videos to get the most out of your HVAC system.

Maintaining your air conditioner

Maintaining your air conditioner

Learn how to maintain your central air conditioner to keep it running smoothly all summer long.…

How to prevent the 2 most common AC failures from ruining your summer

How to prevent the 2 most common AC failures from ruining your summer

Get tips to help keep your central AC running all summer long…

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.…