DL manuals
Lawn-Boy
Lawn Mower
10640
Operator's Manual

Lawn-Boy 10640 Operator's Manual

Page of 16

Download

Print this page

Bookmark us

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. 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

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

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 two words to highlight information.

Important

calls attention to special mechanical

information and

Note

emphasizes general information

worthy of special attention.

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.

Important:

This engine is not equipped with a

spark arrester muffler. It is a violation of California

8111 Lyndale Avenue South

Bloomington, MN 55420

Register at www.Lawn-Boy.com.

Original Instructions (EN)

Printed in the USA

1 2 3 4 5 6 7 Next › »

Summary of 10640

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. 10642c...
Page 2: Safety
Public resource code section 4442 to use or operate the 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. The enclosed engine owner’s manual is supplied for information ...
Page 3: Children
• mow across the face of slopes; never up and down. Exercise extreme caution when changing direction on slopes. • watch for holes, ruts, bumps, rocks, or other hidden objects. Uneven terrain could cause a slip and fall accident. Tall grass can hide obstacles. • do not mow on wet grass or excessively...
Page 4
Safety and instructional decals important: safety and instruction decals are located near areas of potential danger. Replace damaged decals. 94-8072 108-4791 117-4143 1. Warning—read the operator’s manual . 2. Thrown object hazard—keep bystanders a safe distance from the machine. 3. Cutting/dismembe...
Page 5: Setup
Setup important: remove and discard the protective plastic sheet that covers the engine. 1. Unfolding the handle procedure folding or unfolding the handle improperly can damage the cables, causing an unsafe operating condition. • do not damage the cables when folding or unfolding the handle. • if a ...
Page 6: 4. Charging The Battery
Figure 5 2. Insert the fuse into the fuse holder (figure 6). Figure 6 3. Install the battery cover. 4. Charging the battery procedure electric-start models only refer to charging the battery in the maintenance section. Product overview figure 7 self-propel model shown 1. Spark plug 8. Self-propel dr...
Page 7: Filling The Fuel Tank
Filling the fuel tank gasoline is extremely flammable and explosive. A fire or explosion from gasoline can burn you and others. • to prevent a static charge from igniting the gasoline, place the container and/or mower directly on the ground before filling, not in a vehicle or on an object. • fill th...
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 10 1. Raise the mower 2. Lower the mower note: the cutting height settings are 1 inch (25 mm); 1-1/2 inch (38 mm); 2 inches (51 mm); 2-1/2 inc...
Page 9: Stopping The Engine
Using the self-propel drive self-propel models only to operate the self-propel drive, squeeze the self-propel drive bar (figure 15) toward the handle and hold it. Figure 15 1. Self-propel drive bar to disengage the self-propel drive, release the self-propel drive bar. Note: the maximum self-propel g...
Page 10: Operating Tips
Removing the grass bag 1. Lift up the rear deflector (figure 17). 2. Lift the grass bag handle out from the notches on the handle brackets and remove the bag from the mower. 3. Close the rear deflector. Operating tips general mowing tips • clear the area of sticks, stones, wire, branches, and other ...
Page 11: Maintenance
Maintenance note: determine the left and right sides of the machine from the normal operating position. Recommended maintenance schedule(s) maintenance service interval maintenance procedure after the first 5 hours • change the engine oil. Before each use or daily • check the engine oil level. • ens...
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 19 2. Replace the air filter (figure 20). Figure 20 3. Install the cover. Changing the engine oil service interval: after the first 5 hours yearly change the engine oil af...
Page 13: Charging The Battery
Charging the battery service interval: every 25 hours electric-start models only warning california proposition 65 warning battery posts, terminals, and related accessories contain lead and lead compounds, chemicals known to the state of california to cause cancer and reproductive harm. Wash hands a...
Page 14: Cable
Adjusting the self-propel drive cable self-propel models only whenever you install a new self-propel cable or if the self-propel drive is out of adjustment, adjust the self-propel drive cable. 1. Loosen the cable support nut (figure 25). Figure 25 1. 1 to 1-1/2 inches (25 to 38 mm) 4. Cable support ...
Page 15: Storage
Storage store the mower in a cool, clean, dry place. Preparing the mower for storage gasoline vapors can explode. • do not store gasoline more than 30 days. • do not store the mower in an enclosure near an open flame. • allow the engine to cool before storing it. 1. On the last refueling of the year...
Page 16
The lawn-boy no-worry warranty a two-year full warranty (45 day limited warranty for commercial use) a three-year power train full warranty for residential use (limited warranty for commercial use) 20 in. Mulching/ rear bagging lawn mower the lawn-boy tru-start commitment a three-year full warranty ...