Gas Snowblower

Model # 522R (28230-7900001 & UP) Official Lawn-Boy snow thrower

Here are the diagrams and repair parts for Official Lawn-Boy 522R (28230-7900001 & UP) snow thrower, as well as links to manuals and error code tables, if available.

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Browse Parts for
522R (28230-7900001 & UP) Snowblowers
Bolt 3229-11
#15

Handle assembly right side diagram

Bolt

Part #3229-11

Replaced by #3229-11

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Manufacturer substitution
This part replaces 3229-11. Substitute parts can look different from the original.
This item is not returnable
In Stock
Gear 5-7180
#43

Auger assembly (continued) diagram

Gear

Part #5-7180

In Stock
Bearing Assembly 12-8789

#NI

All parts diagram

Bearing assembly

Part #12-8789

In Stock
Toro Screw 12-3270
#4

Traction assembly diagram

Toro screw

Part #12-3270

This item is not returnable
In Stock
Cap Screw 322-2
Cap screw

Part #322-2

Replaced by #322-2

?
Manufacturer substitution
This part replaces 322-2. Substitute parts can look different from the original.
This item is not returnable
In Stock
Auger - L.h. 94-9851
#2A

Auger assembly diagram

Auger - l.h.

Part #94-9851

Replaced by #98-2271-03

?
Manufacturer substitution
This part replaces 94-9851. Substitute parts can look different from the original.
In Stock
Nut 3296-48
#20

Traction assembly (continued) diagram

Nut

Part #3296-48

Replaced by #3296-48

?
Manufacturer substitution
This part replaces 3296-48. Substitute parts can look different from the original.
This item is not returnable
In Stock
Screw 3242-4
#17

Auger assembly diagram

Screw

Part #3242-4

Replaced by #3242-4

?
Manufacturer substitution
This part replaces 3242-4. Substitute parts can look different from the original.
This item is not returnable
In Stock
Post Linkage 47-4990
Post linkage

Part #47-4990

Replaced by #47-4990

?
Manufacturer substitution
This part replaces 47-4990. Substitute parts can look different from the original.
In Stock
Auger Housing Assembly 94-9870
#1

Auger assembly diagram

Auger housing assembly

Part #94-9870

Replaced by #94-9870

?
Manufacturer substitution
This part replaces 94-9870. Substitute parts can look different from the original.
In Stock

Symptoms for gas snowblowers

Choose a symptom to see related snowblower repairs.

Main causes: punctured tire, damaged rim…

Main causes: dirty carburetor, stale fuel…

Main causes: dirty carburetor, clogged fuel filter, dirty spark plug, incorrect valve lash, leaky engine gaskets…

Main causes: stale gas, clogged carburetor, clogged or broken fuel line, dirty spark plug, bad rewind starter, incorrect…

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: clogged chute, damaged auger blades, broken shear pins, worn auger belt, damaged gear case, engine problems…

Main causes: broken shear pins, worn or loose auger drive belt, auger drive cable failure, damaged auger, bad gear case…

Things to do: replace the spark plug, change the oil, rebuild the carburetor, adjust valve lash, adjust or replace the b…

Repair guides for gas snowblowers

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

How to replace a snowblower fuel filter

How to replace a snowblower fuel filter

Replace the fuel filter on your snowblower if it's clogged or damaged.…

Repair difficulty
Time required
 15 minutes or less
How to replace a snowblower shave plate

How to replace a snowblower shave plate

Follow the 7 easy steps in this repair guide/video to replace a worn out shave plate on your snowblower.…

Repair difficulty
Time required
 15 minutes or less
How to replace a snowblower chute control gearbox assembly

How to replace a snowblower chute control gearbox assembly

Replace the chute control gearbox on your snowblower if it's stripped or damaged.…

Repair difficulty
Time required
 15 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.

Snowblower won’t start – 4 easy DIY fixes

Snowblower won’t start – 4 easy DIY fixes

Find easy DIY tips to fix your snowblower when it won't start…

Introducing new technical repair content that we’re developing for the Sears Technical Institute

Introducing new technical repair content that we’re developing for the Sears Technical Institute

Learn about Sears Technical Institute and the advanced technical content being developed for aspiring appliance techs.…

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Top questions about Sears and Sears PartsDirect

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