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Form No. 3359-479 Rev A

Insight® Lawn Mower

Model No. 10666C—Serial No. 280000001 and Up

Operator's Manual

If you have questions or problems, contact us at www.lawn-boy.com
or call toll free 1–866–216–6032 (US) or 1–866–216–6031 (Canada)
before returning this product.

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

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 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
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 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.

For models with stated engine horsepower, the gross
horsepower of the engine was laboratory rated by the
engine manufacturer in accordance with SAE J1940.
As configured to meet safety, emission, and operating

© 2008—Lawn-Boy® Inc.
8111 Lyndale Avenue South
Bloomington, MN 55420

Register at www.Lawn-Boy.com.

Original Instructions (EN)

Printed in the USA

All Rights Reserved

Summary of Contents for 10666C

Page 1: ...he recommended precautions Figure 2 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 Warning CALIFORNIA Proposition 65 Warning The engine exhaust from this product contains chemicals known to the State of California to cause cancer birth defects o...

Page 2: ...ed material toward anyone Avoid discharging material against a wall or obstruction Material may ricochet back toward the operator Stop the blade when crossing gravel surfaces Do not operate machine without the entire grass catcher discharge guard rear guard or other safety protective devices in place and working Never leave a running machine unattended Stop the engine and wait until the blade come...

Page 3: ...ontact with the rim of the fuel tank or container opening at all times until fueling is complete Do not use a nozzle lock open device If fuel is spilled on clothing change clothing immediately Never overfill fuel tank Replace gas cap and tighten securely Exhaust contains carbon monoxide an odorless deadly poison that can kill you Do not run the engine indoors or in an enclosed area General Service...

Page 4: ...l danger Replace damaged decals Manufacturer s Mark 1 Indicates the blade is identified as a part from the original machine manufacturer 94 8072 104 7402 104 7403 104 7953 1 Warning read the Operator s Manual for information on charging the battery contains lead do not discard 2 Read the Operator s Manual 4 ...

Page 5: ...g dismemberment hazard of hand or foot mower blade remove the wire from the spark plug and read the instructions before servicing or performing maintenance 114 2820 1 Warning read the Operator s Manual 4 Cutting dismemberment hazard of hand or foot mower blade stay away from moving parts 2 Thrown object hazard keep bystanders a safe distance from the machine 5 Cutting dismemberment hazard of hand ...

Page 6: ...ull line on the dipstick Figure 5 Do not overfill Max fill 20 oz type SAE 30 detergent oil with an API service classification of SF SG SH SJ SL or higher Note If you overfill the engine pour some oil out of it as directed in Changing the Engine Oil 3 Install the dipstick securely Important Change the engine oil after the first 5 operating hours change it yearly thereafter Refer to Changing the Eng...

Page 7: ...22 C whenever possible 1 Connect the charger to the mower wire harness located below the ignition key Figure 8 Figure 8 Important Use only the charger supplied with the mower 2 Plug the charger into a wall outlet When the battery no longer holds a charge recycle or dispose of the lead acid battery according to local codes 5 Install the Mulch Plug or Grass Bag Procedure You must correctly install t...

Page 8: ...nsert the mulch plug into the opening Figure 11 Figure 11 3 Release the button on the lever and ensure that the top of the lever is lies fully in the switch channel Figure 12 If the top of the lever is not in the switch channel your mower will not start Figure 12 Note If the lever does not latch properly disconnect the wire from the spark plug and check for and remove any debris buildup in the tun...

Page 9: ...rs 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 the tank outdoors when the engine is cold Wipe up spills Do not handle gasoline when smoking or around an open flame or sparks Store gasoline in an approved fuel container out of the reach of children Fill the fuel tank with fresh unl...

Page 10: ...nto contact with the moving blade causing serious injury Stop the engine and wait for all moving parts to stop Do not put your fingers under the housing when adjusting the cutting height If the engine has been running the muffler will be hot and can severely burn you Keep away from the hot muffler Adjust the cutting height as desired Set all four wheels to the same height Note To raise the mower m...

Page 11: ...tall the mulch plug or the grass bag securely on the mower 1 Install the mulch plug Figure 21 or the grass bag Figure 22 on the mower Figure 21 Figure 22 2 Hold the blade control bar against the handle and immediately start the engine using either the ignition key or the recoil starter Figure 23 Figure 23 1 Blade control bar Note If the mower still does not start contact an Authorized Service Deal...

Page 12: ... within 3 seconds If they do not stop properly stop using your mower immediately and contact an Authorized Service Dealer Figure 26 Mulching the Clippings Your mower comes from the factory ready to mulch the grass and leaf clippings back into the lawn If the grass bag is on the mower remove it refer to Removing the Grass Bag before mulching the clippings If the side discharge chute is on the mower...

Page 13: ...g 1 Remove the mulch plug Figure 28 Figure 28 2 Route the starter rope around the lower rope guide Figure 29 Figure 29 Note The lower rope guide releases the starter rope when you pull the recoil start handle 3 Insert the grass bag handle into the grooves at the top of the mower Figure 30 Important The mower has a safety switch that prevents you from starting the mower unless you first install the...

Page 14: ...ts you from starting the mower unless you first install the mulch plug securely on the mower refer to Mulching the Clippings Installing the Side Discharge Chute 1 Unlock the side discharge door Figure 34 Figure 34 2 Lift open the side discharge door Figure 35 Figure 35 3 Install the side discharge chute and close the door onto the chute Figure 36 Figure 36 Removing the Side Discharge Chute To remo...

Page 15: ...only dry grass or leaves Wet grass and leaves tend to clump on the yard and can cause the mower to plug or the engine to stall Wet grass or leaves can cause serious injury if you slip and contact the blade Mow only in dry conditions Alternate the mowing direction This helps disperse the clippings over the lawn for even fertilization If the finished lawn appearance is unsatisfactory try one or more...

Page 16: ...Operator s Manual for any additional yearly maintenance procedures Yearly or before storage Charge the battery monthly or as needed and before storage Important Refer to your Engine Operator s Manual for additional maintenance procedures Preparing for Maintenance 1 Stop the engine and wait for all moving parts to stop 2 Disconnect the spark plug wire from the spark plug Figure 38 before performing...

Page 17: ...un the engine a few minutes before changing the oil to warm it Warm oil flows better and carries more contaminants 1 Perform the pre maintenance procedures refer to Preparing for Maintenance 2 Remove the dipstick Figure 41 Figure 41 3 Tip the mower onto its side with the air filter up to drain the used oil out through the oil fill tube Figure 42 Figure 42 4 Slowly pour oil into the oil fill tube u...

Page 18: ... Gears Service Interval Yearly 1 Remove the wheel bolt in the center of each rear wheel and remove the rear wheels 2 Apply a lubricating oil to the inner and outer sides of the gear as shown in Figure 44 Figure 44 3 Install the rear wheels Lubricating the Upper Handle Service Interval Yearly Lubricate the left and right sides of the upper handle with a low viscosity silicone spray lubricant yearly...

Page 19: ... far the upper end of the cable jacket moves Figure 49 Figure 49 1 Cable mount 2 Cable jacket Note Moving the cable jacket upward decreases the ground speed moving the jacket downward increases the ground speed 5 Tighten the nut firmly 6 Start the mower and check the adjustment Note If the self propel drive is not properly adjusted repeat this procedure Replacing the Blade Service Interval Yearly ...

Page 20: ...y difficult to overtighten Cleaning the Mower Service Interval Before each use or daily The mower may dislodge material from under the mower housing Wear eye protection Stay in the operating position behind the handle Do not allow bystanders in the area 1 With the engine running on a flat paved surface spray a stream of water in front of the right rear wheel Figure 51 Note The water will splash in...

Page 21: ...battery charger and store the mower in an unheated area If you must store the mower in a heated area you must charge the battery every 90 days Folding the Handle Upright Position 1 Step on the foot pedal and hold it down Figure 52 Figure 52 2 Move the handle to the upright position Figure 53 Figure 53 Forward Position 1 With the handle in the upright position step on the foot pedal and hold it dow...

Page 22: ...Notes 22 ...

Page 23: ...Notes 23 ...

Page 24: ...aining Warranty Service If you think that your Lawn Boy product contains a defect in materials or workmanship follow this procedure 1 Contact any Authorized Lawn Boy Service Dealer to arrange service at their dealership To locate a dealer convenient to you refer to the Yellow Pages of your telephone directory look under Lawn Mowers or access our website at www Lawn Boy com U S Customers may also c...

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