Lawn-Boy 10739 Operator'S Manual Download Page 1

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Form No. 3400-458 Rev B

21in Mulching/Rear Bagging Lawn
Mower

Model No. 10739—Serial No. 316000001 and Up

Model No. 17739—Serial No. 316000001 and Up

Operator's Manual

Introduction

This rotary-blade, walk-behind lawn mower is intended
to be used by residential homeowners. It is designed
primarily for cutting grass on well-maintained lawns
on residential properties. It is not designed for cutting
brush or for agricultural uses.

Read this information carefully to learn how to operate and
maintain your product properly and to avoid injury and
product damage. You are responsible for operating the
product properly and safely.

You may contact Lawn-Boy directly at www.Lawn-Boy.com
for product and accessory information, help finding a dealer,
or to register your product.

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

identifies the

location of the model and serial numbers on the product.
Write the numbers in the space provided.

g024069

Figure 1

Model and serial number plate

Model No.

Serial No.

This manual identifies potential hazards and has safety
messages identified by the safety-alert symbol (

Figure 2

which signals a hazard that may cause serious injury or death
if you do not follow the recommended precautions.

Figure 2

Safety-alert symbol

This manual uses 2 words to highlight information.

Important

calls attention to special mechanical information

and

Note

emphasizes general information worthy of special

attention.

Receive a complimentary side-discharge chute by completing
the

Discharge Chute Order Form

when you register your

product at www.lawnboy.com/register. Please allow 1 to 2
weeks for delivery (subject to availability).

WARNING

CALIFORNIA

Proposition 65 Warning

This product contains a chemical or chemicals

known to the State of California to cause cancer,

birth defects, or other reproductive harm.

The engine exhaust from this product

contains chemicals known to the State of

California to cause cancer, birth defects,

or other reproductive harm.

It is a violation of California Public Resource Code
Section 4442 or 4443 to use or operate the engine on any
forest-covered, brush-covered, or grass-covered land unless
the engine is equipped with a spark arrester, as defined in
Section 4442, maintained in effective working order or the
engine is constructed, equipped, and maintained for the
prevention of fire.

This spark ignition system complies with Canadian ICES-002.

The enclosed

Engine Owner's Manual is supplied for

information regarding the US Environmental Protection
Agency (EPA) and the California Emission Control
Regulation of emission systems, maintenance, and
warranty. Replacements may be ordered through the
engine manufacturer.

Net Torque

Original Instructions (EN)

Printed in the USA

*3400-458* B