Lawn-Boy 10641 Operator's Manual

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Operator's Manual

Introduction

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.

Figure 1

1. Model and serial number plate

8111 Lyndale Avenue South

Bloomington, MN 55420

20in Mulching/Rear Bagging Lawn

Mower

Model No. 10640—Serial No. 290000001 and Up

Model No. 10640C—Serial No. 290000001 and Up

Model No. 10641—Serial No. 290000001 and Up

Model No. 10641C—Serial No. 290000001 and Up

Model No. 10642—Serial No. 290000001 and Up

Model No. 10642C—Serial No. 290000001 and Up

Model No. 10643C—Serial No. 290000001 and Up

Model No. 10644C—Serial No. 290000001 and Up

Model No. 10645—Serial No. 290000001 and Up

Model No. 10646—Serial No. 290000001 and Up

Model No. 10647—Serial No. 290000001 and Up

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.

1. Safety alert symbol

This manual uses two words to highlight information.

Important calls attention to special mechanical

information and Note emphasizes general information

worthy of special attention.

Important: This engine is not equipped with a

spark arrester muffler. It is a violation of California

Form No. 3361-328 Rev B

Figure 2

Warning

CALIFORNIA

Proposition 65 Warning

The engine exhaust from this product

contains chemicals known to the State of

California to cause cancer, birth defects,

or other reproductive harm.

Original Instructions (EN)

Printed in the USA

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Page 1 Form No. 3361-328 Rev B 20in Mulching/Rear Bagging Lawn Mower Model No. 10640—Serial No. 290000001 and Up Model No. 10640C—Serial No. 290000001 and Up Model No. 10641—Serial No. 290000001 and Up Model No. 10641C—Serial No. 290000001 and Up Model No. 10642—Serial No. 290000001 and Up Model No.
Page 2: General Operation
Public Resource Code Section 4442 to use or operate • Only allow responsible adults, who are familiar with the engine on any forest-covered, brush-covered, or the instructions, to operate this machine. grass-covered land. Other states or federal areas • Clear the area of objects such as rocks, wire, toys, may have similar laws.
Page 3: Safe Handling Of Gasoline
• Mow across the face of slopes; never up and down. possible, then refuel such equipment with a portable Exercise extreme caution when changing direction container, rather than from a gasoline dispenser on slopes. nozzle. • Watch for holes, ruts, bumps, rocks, or other hidden •...
Page 4: Safety And Instructional Decals
Safety and Instructional Decals Important: Safety and instruction decals are located near areas of potential danger. Replace damaged decals. 94-8072 117-4143 1. Warning—read the Operator’s Manual. 2. Thrown object hazard—keep bystanders a safe distance from the machine. 3. Cutting/dismemberment hazard of hand or foot, mower blade—disconnect the spark plug wire and read the instructions before servicing or performing maintenance.
Page 5: Unfolding The Handle
2. Filling the Engine with Oil Setup Important: Remove and discard the protective Procedure plastic sheet that covers the engine. Your mower does not come with oil in the engine, but it does come with a bottle of oil. 1. Unfolding the Handle 1.
Page 6: Product Overview
A selection of Lawn-Boy approved attachments and accessories are available for use with the machine to enhance and expand its capabilities. Contact your Authorized Service Dealer or Distributor or go to www.Lawn-Boy.com for a list of all approved attachments and accessories.
Page 7: Filling The Fuel Tank
Filling the Fuel Tank Checking the Engine Oil Level Service Interval: Before each use or daily 1. Remove the dipstick, wipe it clean, and fully install the dipstick (Figure 9). Gasoline is extremely flammable and explosive. A fire or explosion from gasoline can burn you and others.
Page 8: Starting The Engine
Note: To raise the mower, move all the cutting height levers forward; to lower the mower, move the all the cutting height levers rearward (Figure 10). Figure 12 1. Blade control bar 3. Turn the ignition key (Figure 13) (electric-start models only) or pull recoil start handle (Figure 14).
Page 9: Using The Self-Propel Drive
Check the grass bag frequently. If it is damaged, To disengage the self-propel drive, release the self-propel install a new Lawn-Boy replacement bag. drive bar. Note: The maximum self-propel ground speed is fixed. To reduce the ground speed, increase the space between the self-propel drive bar and the handle.
Page 10: Operating Tips
• Slow down your mowing speed if the mower does cutting season begins. not cut the leaves finely enough. • Replace the blade when necessary with a Lawn-Boy replacement blade. Cutting Grass • Cut only about a third of the grass blade at a time.
Page 11: Recommended Maintenance Schedule(S)
Maintenance Note: Determine the left and right sides of the machine from the normal operating position. Recommended Maintenance Schedule(s) Maintenance Service Maintenance Procedure Interval • Change the engine oil. After the first 5 hours • Check the engine oil level. •...
Page 12: Replacing The Air Filter
Replacing the Air Filter Service Interval: Every 25 hours 1. Use a screw driver to open the air filter cover (Figure 19). Figure 21 Figure 19 3. Tip the mower onto its side, with the dipstick down, to drain the used oil out through the oil fill tube (Figure 22).
Page 13: Replacing The Fuse
Charging the Battery Examine the blade whenever you run out of gasoline. If the blade is damaged or cracked, replace it immediately. Service Interval: Every 25 hours If the blade edge is dull or nicked, have it sharpened or replace it. Electric-start models only Warning The blade is sharp;...
Page 14: Adjusting The Self-Propel Drive Cable
Adjusting the Self-propel Drive Cleaning the Mower Cable Service Interval: Before each use or daily Self-propel models only Whenever you install a new self-propel cable or if the self-propel drive is out of adjustment, adjust the The mower may dislodge material from under self-propel drive cable.
Page 15: Folding The Handle
Folding the Handle Storage Store the mower in a cool, clean, dry place. Folding or unfolding the handle improperly can Preparing the Mower for damage the cables, causing an unsafe operating Storage condition. • Do not damage the cables when folding or unfolding the handle.
Page 16 If for any reason you are dissatisfied with your Distributor’s service or have difficulty obtaining guarantee information, contact the Lawn-Boy importer. If all other remedies fail, you may contact us at Lawn-Boy Warranty Company.

Lawn-Boy 10641 Operator's Manual

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