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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
Rotor housing assembly diagram
Cap Screw
Part #321-30Replaced by #321-30
Manufacturer substitutionThis part replaces 321-30. Substitute parts can look different from the original.In Stock$33.28
Qty
Rotor housing assembly diagram
Drive Cover
Part #71-5030Replaced by #71-5030
Manufacturer substitutionThis part replaces 71-5030. Substitute parts can look different from the original.In Stock$134.32QtyCap Screw
Part #322-5Replaced by #322-5
Manufacturer substitutionThis part replaces 322-5. Substitute parts can look different from the original.This item is not returnableIn Stock$2.16QtyGas Line
Part #49-2482Replaced by #49-2482
Manufacturer substitutionThis part replaces 49-2482. Substitute parts can look different from the original.In Stock$56.17QtyRotor housing assembly diagram
Idler Pulley
Part #71-5260Replaced by #71-5260
Manufacturer substitutionThis part replaces 71-5260. Substitute parts can look different from the original.In Stock$107.09QtyWasher
Part #3256-71Replaced by #3256-71
Manufacturer substitutionThis part replaces 3256-71. Substitute parts can look different from the original.In Stock$26.26QtyRetainer
Part #3290-320Replaced by #3290-320
Manufacturer substitutionThis part replaces 3290-320. Substitute parts can look different from the original.In Stock$27.26QtyStarter Motor
Part #77-0402Replaced by #77-0400
Manufacturer substitutionThis part replaces 77-0402. Substitute parts can look different from the original.In Stock$995.47QtyStarter motor 28222 (electric) diagram
Screw-machine
Part #32144-101Replaced by #32144-101
Manufacturer substitutionThis part replaces 32144-101. Substitute parts can look different from the original.This item is not returnableIn Stock$3.29QtyMotor Strap
Part #250-7Replaced by #250-7
Manufacturer substitutionThis part replaces 250-7. Substitute parts can look different from the original.In Stock$37.61Qty
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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