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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

1

Figure 1

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

1.

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

© 2016—Lawn-Boy® Inc.
8111 Lyndale Avenue South
Bloomington, MN 55420

Register at www.LawnBoy.com.

Original Instructions (EN)

Printed in the USA

All Rights Reserved

*3400-458* B

 

Содержание 10739

Страница 1: ...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...

Страница 2: ...General Safety This product is capable of amputating hands and feet and of throwing objects Always follow all safety instructions to avoid serious personal injury Using this product for purposes other...

Страница 3: ...only mow across stop the mower and engine pick up debris before operating look behind and down when reversing Setup Important Remove and discard the protective plastic sheet that covers the engine 1...

Страница 4: ...z type 10W 30 or SAE 30 detergent oil with an API service classification of SJ or higher Figure 5 3 Wipe off the dipstick with a clean cloth 4 Insert the dipstick into the oil fill tube but do not scr...

Страница 5: ...rame Figure 7 g027544 Figure 7 3 Hook the top and side channels of the bag onto the top and sides of the frame respectively Figure 7 Product Overview Figure 8 1 Self propel drive bar 6 Blade control b...

Страница 6: ...the nozzle and the fuel tank opening Keep fuel away from your eyes and skin Attachments Accessories A selection of Lawn Boy approved attachments and accessories is available for use with the machine...

Страница 7: ...stant substantial footwear and hearing protection Tie back long hair secure loose clothing and do not wear jewelry Do not operate the machine while ill tired or under the influence of alcohol or drugs...

Страница 8: ...propel drive squeeze the self propel drive bar Figure 14 toward the handle and hold it Figure 14 1 Self propel drive bar To disengage the self propel drive release the self propel drive bar Note The m...

Страница 9: ...off the engine disconnect the wire from the spark plug and examine the machine for damage For best performance install a new blade before the cutting season begins Replace the blade when necessary wit...

Страница 10: ...d rear straps should be directed down and outward from the machine Cleaning the under the Machine Service Interval After each use WARNING The machine may dislodge material from under the machine Wear...

Страница 11: ...ngine owner s manual for additional maintenance procedures Maintenance Safety Disconnect the spark plug wire from the spark plug before performing any maintenance procedure Wear gloves and eye protect...

Страница 12: ...d but if you desire to change the oil use the following procedure Run the engine a few minutes before changing the oil to warm it Warm oil flows better and carries more contaminants 1 Perform the pre...

Страница 13: ...ise saving all the mounting hardware 5 Install the new blade turn the blade bolt clockwise and all mounting hardware Figure 23 Figure 23 Important Position the curved ends of the blade to point toward...

Страница 14: ...ough the spark plug hole and pull the starter rope slowly several times to distribute oil throughout the cylinder to prevent cylinder corrosion during the off season 7 Install the spark plug and tight...

Страница 15: ...Notes 15...

Страница 16: ...rts such as filters fuel lubricants oil changes spark plugs air filters blade sharpening or worn blades cable linkage adjustments or brake and clutch adjustments Components failing due to normal wear...

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