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Lawn-Boy
Gas Snowblower

Model # 320 (28222-8900001 & UP) Official Lawn-Boy snow thrower

Here are the diagrams and repair parts for Official Lawn-Boy 320-28222-8900001-UP 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 247 parts  |
Nut 32149-1
#40

Upper shroud asm - cont. diagram

Nut

Part #32149-1

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

Lock Nut 3296-29
Lock nut

Part #3296-29

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

Primer 66-7460
#12

Upper shroud assembly diagram

Primer

Part #66-7460

Replaced by #66-7460

?
Manufacturer substitution
This part replaces 66-7460. Substitute parts can look different from the original.
This item is not returnable
$8.49
In Stock
Toro Screw 12-3270
#25

Rotor housing assembly diagram

Toro screw

Part #12-3270

This item is not returnable
$3.87
In Stock
Spring Cover 71-5530
#3

Handle assembly diagram

Spring cover

Part #71-5530

$8.83
In Stock
Brake Spring 71-5470
#14

Rotor housing assembly diagram

Brake spring

Part #71-5470

This item is not returnable
$4.94
In Stock
Sideplt Rh 71-4920
#38

Rotor housing assembly diagram

Sideplt rh

Part #71-4920

Replaced by #71-4920-03

?
Manufacturer substitution
This part replaces 71-4920. Substitute parts can look different from the original.
$115.84
In Stock
Half Rotor 66-6600
#2

Rotor assembly diagram

Half rotor

Part #66-6600

Replaced by #66-6600-03

?
Manufacturer substitution
This part replaces 66-6600. Substitute parts can look different from the original.
$16.97
In Stock
Dup Part See 321-6
#46

Rotor housing assembly diagram

Dup part see

Part #321-6

Replaced by #321-6

?
Manufacturer substitution
This part replaces 321-6. Substitute parts can look different from the original.
This item is not returnable
$2.16
In Stock
Plug 94-9933
#9

Starter motor asm 27222/electric diagram

Plug

Part #94-9933

Replaced by #94-9933

?
Manufacturer substitution
This part replaces 94-9933. Substitute parts can look different from the original.
$13.03
In Stock

Symptoms for gas snowblowers

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Why won't my snowblower chute turn?

Main causes: snow build-up in chute, chute drive mechanism failure, bad chute control assembly…

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Main causes: loose drive clutch cable, damaged drive clutch cable, worn friction disc, scraper blade scraping the ground…

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Why won't my snowblower throw snow far enough?

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

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

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