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Lawn-Boy 320 (28220-7900001 & UP) snow thrower Parts
Here are the diagrams and repair parts for Lawn-Boy 320 (28220-7900001 & UP) snow thrower, as well as links to manuals and error code tables, if available.
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Browse Parts for 320 (28220-7900001 & UP) Snowblowers
Engine and frame diagram
Flat Washer
Part #3258-22
The manufacturer no longer makes this part, and there's no substitute part
Rotor housing assembly diagram
U-nut
Part #32115-14
The manufacturer no longer makes this part, and there's no substitute part
Starter motor 28222 (electric) diagram
Pinion Assembly
Part #84-5240
The manufacturer no longer makes this part, and there's no substitute part
Rotor housing assembly diagram
Washer
Part #3256-24
The manufacturer no longer makes this part, and there's no substitute part
Upper shroud assembly (continued) diagram
Chute Retainer
Part #71-4980
The manufacturer no longer makes this part, and there's no substitute part
Rotor assembly diagram
Key-square
Part #10-8040
The manufacturer no longer makes this part, and there's no substitute part
Rotor housing assembly diagram
Housing
Part #55-8700
The manufacturer no longer makes this part, and there's no substitute part
Bracket Stud
Part #92-6012
The manufacturer no longer makes this part, and there's no substitute part
Upper shroud assembly (continued) diagram
Chute Handle
Part #71-4940
The manufacturer no longer makes this part, and there's no substitute part
Starter motor 28222 (electric) diagram
Housing
Part #70-7820
The manufacturer no longer makes this part, and there's no substitute part
Most common symptoms to help you fix your snowblowers
Choose a symptom to see related snowblower repairs.
Main causes: clogged chute, damaged auger blades, broken shear pins, worn auger belt, damaged gear case, engine problems…
Things to do: replace the spark plug, change the oil, rebuild the carburetor, adjust valve lash, adjust or replace the b…
Main causes: dirty carburetor, stale fuel…
Main causes: clogged chute, snow build-up in auger housing, broken auger shear pins, auger drive belt needs adjustment, …
Main causes: broken shear pins, worn or loose auger drive belt, auger drive cable failure, damaged auger, bad gear case…
Main causes: snow build-up in chute, chute drive mechanism failure, bad chute control assembly…
Main causes: loose drive clutch cable, damaged drive clutch cable, worn friction disc, scraper blade scraping the ground…
Main causes: dirty carburetor, clogged fuel filter, dirty spark plug, incorrect valve lash, leaky engine gaskets…
Repair guides for gas snowblowers
These step-by-step repair guides will help you safely fix what’s broken on your snowblower.
How to adjust snowblower skid shoes
To prevent snowblower auger and shave plate damage, adjust the skid shoes regularly to keep the shave plate ¼-inch high.…
Repair time and Difficulty
15 minutes or less
How to rebuild a snowblower carburetor
Rebuild the carburetor on your snowblower if the engine isn't getting fuel.…
Repair time and Difficulty
45 minutes or less
How to replace a snowblower 4-way chute control assembly
Replace the 4-way chute control assembly on your snowblower if it’s damaged.…
Repair time and Difficulty
30 minutes or less
Effective articles & videos to help repair your snowblowers
Use the advice and tips in these articles and videos to get the most out of your snowblower.
Find easy DIY tips to fix your snowblower when it won't start…
Learn about Sears Technical Institute and the advanced technical content being developed for aspiring appliance techs.…
Get answers to frequently asked questions about Sears and Sears PartsDirect.…
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