2003
by Lawn-Boy, Inc.
All Rights Reserved
Printed in USA
2
The engine exhaust from this product contains
chemicals known to the State of California to
cause cancer, birth defects, or other reproductive
harm.
Warning
Important
This engine is not equipped with a spark
arrester muffler. It is a violation of California Public
Resource Code Section 4442 to use or operate this engine
on any forest-covered, brush-covered, or grass-covered
land. Other states or federal areas may have similar laws.
This spark ignition system complies with Canadian
ICES-002.
Ce système d’allumage par étincelle de véhicule est
conforme à la norme NMB-002 du Canada.
Contents
Page
Introduction
2
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Safety
3
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Safe Operating Practices
3
. . . . . . . . . . . . . . . . . . .
Lawn-Boy Snowthrower Safety
4
. . . . . . . . . . . . . .
Safety and Instruction Decals
5
. . . . . . . . . . . . . . .
Assembly
6
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Loose Parts
6
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Unfolding the Handle
7
. . . . . . . . . . . . . . . . . . . . . .
Installing the Discharge Chute
8
. . . . . . . . . . . . . . .
Installing the Chute Crank
8
. . . . . . . . . . . . . . . . . .
Before Starting
9
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Mixing Gasoline and Oil
9
. . . . . . . . . . . . . . . . . . .
Filling the Fuel Tank
10
. . . . . . . . . . . . . . . . . . . . . .
Reviewing the Maintenance Schedule
10
. . . . . . . . .
Operation
10
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operating Controls
10
. . . . . . . . . . . . . . . . . . . . . . . .
Starting the Engine
10
. . . . . . . . . . . . . . . . . . . . . . . .
Stopping the Engine
11
. . . . . . . . . . . . . . . . . . . . . . .
Starting the Rotor Blades
11
. . . . . . . . . . . . . . . . . . .
Stopping the Rotor Blades
11
. . . . . . . . . . . . . . . . . .
Adjusting the Discharge Chute
11
. . . . . . . . . . . . . .
Snowthrowing Tips
11
. . . . . . . . . . . . . . . . . . . . . . .
Maintenance
12
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Recommended Maintenance Schedule
12
. . . . . . . .
Adjusting the Control Cable
12
. . . . . . . . . . . . . . . .
Replacing the Scraper
13
. . . . . . . . . . . . . . . . . . . . .
Replacing the Rotor Blades
14
. . . . . . . . . . . . . . . . .
Page
Replacing the Spark Plug
15
. . . . . . . . . . . . . . . . . . .
Replacing the Drive Belt
16
. . . . . . . . . . . . . . . . . . .
Emptying the Fuel Tank
16
. . . . . . . . . . . . . . . . . . . .
Storage
17
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Preparing the Fuel System
17
. . . . . . . . . . . . . . . . . .
Preparing the Engine
17
. . . . . . . . . . . . . . . . . . . . . .
Preparing the Snowthrower
17
. . . . . . . . . . . . . . . . .
Folding the Handle
17
. . . . . . . . . . . . . . . . . . . . . . . .
Troubleshooting
18
. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
The Lawn-Boy Worry Free Five-Year Starting
Guarantee
20
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Federal Emission Control Warranty Statement
22
. . . . .
A Two-Year Full Warranty
24
. . . . . . . . . . . . . . . . . . . .
Warning
The engine exhaust from this product contains
chemicals known to the State of California to
cause cancer, birth defects, or other reproductive
harm.
Introduction
Read this manual carefully to learn how to operate and
maintain your product properly. The information in this
manual can help you and others avoid injury and product
damage. Although Lawn-Boy designs and produces safe
products, you are responsible for operating the product
properly and safely.
Whenever you need service, genuine Lawn-Boy parts, or
additional information, contact an Authorized Service
Dealer or Lawn-Boy Customer Service and have the
model and serial numbers of your product ready. Figure 1
illustrates the location of the model and serial numbers on
the product.
637
1
Figure 1
1.
Model number and serial number decal
