Lawn-Boy 10738 Operator's Manual

Lawn-Boy 10738 Operator's Manual

21in mulching/rear bagging lawn

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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.
1. Model and serial number plate
Model No.
Serial No.
© 2014—Lawn-Boy® Inc.
8111 Lyndale Avenue South
Bloomington, MN 55420
21in Mulching/Rear Bagging Lawn
Mower
Model No. 10738—Serial No. 314000001 and Up
Receive a free side-discharge chute by
completing the Discharge Chute Order
Form when you register your product at
www.Lawn-Boy.com! Please allow four to five
weeks for delivery.
Figure 1
Register at www.LawnBoy.com.
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 2 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
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.
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
Original Instructions (EN)
All Rights Reserved *3384-164* A
Printed in the USA
Form No. 3384-164 Rev A
Operator's Manual
Figure 2

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Table of Contents
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Summary of Contents for Lawn-Boy 10738

  • Page 1: Introduction

    Whenever you need service, genuine Lawn-Boy parts, or additional information, contact an Authorized Service Dealer WARNING or Lawn-Boy Customer Service and have the model and serial numbers of your product ready. Figure 1 identifies the CALIFORNIA location of the model and serial numbers on the product.
  • Page 2: Table Of Contents

    Safety Agency (EPA) and the California Emission Control Regulation of emission systems, maintenance, and warranty. Replacements may be ordered through the This machine meets or exceeds the CPSC blade safety engine manufacturer. requirements for walk-behind rotary lawn mowers. Net Torque Read and understand the contents of this manual before you start the engine.
  • Page 3: Slope Operation

    • • Disengage the drive system, if so equipped, before Never remove the gas cap or add fuel with the engine starting the engine. running. Allow the engine to cool before refueling. • If the machine should start to vibrate abnormally, stop •...
  • Page 4: Safety And Instructional Decals

    Lawn-Boy equipment, count on • Use full-width ramps for loading the machine into a Lawn-Boy genuine parts. When it comes to reliability, trailer or truck. Lawn-Boy delivers replacement parts designed to the • exact engineering specifications of our equipment. For Tie the machine down securely using straps, chains, cable, peace of mind, insist on Lawn-Boy genuine parts.
  • Page 5 117-4143 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. 4. Cutting/dismemberment hazard of hand or foot, mower blade—stay away from moving parts and keep all guards and shields in place.
  • Page 6: Setup

    Installing the Recoil-starter Setup Rope in the Rope Guide Important: Remove and discard the protective plastic Important: To start the engine safely and easily sheet that covers the engine. whenever you use the machine, install the recoil-starter rope in the rope guide. Unfolding the Handle Hold the blade-control bar to the upper handle and pull the recoil-starter rope through the rope guide on the handle...
  • Page 7: Charging The Battery

    Product Overview Figure 5 3. Wipe off the dipstick with a clean cloth. 4. Insert the dipstick into the oil-fill tube. 5. Remove the dipstick and read the oil level on the dipstick (Figure 5). • If the oil level is below the Add mark, add a small amount of oil slowly to the oil-fill tube, and then repeat steps 3 through 5 until the oil level on the dipstick is at the Full mark.
  • Page 8: Operation

    A selection of Lawn-Boy approved attachments and accessories is 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. Filling the Fuel Tank DANGER Gasoline is extremely flammable and explosive.
  • Page 9: Adjusting The Cutting Height

    Starting the Engine repeat steps 3 through 5 until the oil level on the dipstick is at the Full mark. 1. Hold the blade-control bar (Figure 10) against the • If the oil level is above the Full mark, drain the handle.
  • Page 10: Stopping The Engine

    3. Close the rear deflector. or death to you or to bystanders. Check the grass bag frequently. If it is damaged, install a new Lawn-Boy replacement bag.
  • Page 11: Operating Tips

    • For best performance, install a new blade before the cutting season begins. • 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. Do not cut below the 44 mm (1–3/4-inch) setting unless the grass...
  • Page 12: Maintenance

    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. Before each use or daily •...
  • Page 13: Replacing The Air Filter

    Replacing the Air Filter Changing the Engine Oil Service Interval: After the first 5 hours Service Interval: Every 25 hours/Yearly (whichever comes first)—Replace the air-cleaner element Yearly (more frequently when operating the Run the engine a few minutes before changing the oil to warm machine in dusty or dirty operating it.
  • Page 14: Charging The Battery

    • • If the oil level is below the Add mark, add a small A green light indicates that the charger is fully charged or amount of oil slowly to the oil-fill tube, and then the charger is disconnected from the battery. repeat steps 6 through 8 until the oil level on the •...
  • Page 15: Adjusting The Self-Propel Drive Cable

    Adjusting the Self-propel Drive WARNING Cable The blade is sharp; contacting the blade can result in serious personal injury. Whenever you install a new self-propel cable or if the • Disconnect the wire from the spark plug. self-propel drive is out of adjustment, adjust the self-propel drive cable.
  • Page 16: Cleaning The Underside Of The Machine

    Cleaning the Underside of the Storage Machine Store the machine in a cool, clean, dry place. Service Interval: After each use Preparing the Machine for WARNING Storage The machine may dislodge material from under the machine housing. WARNING • Wear eye protection. Gasoline vapors can explode.
  • Page 17: Removing The Machine From Storage

    Figure 27 1. Handle knob (2) 2. Move the handle forward as shown in Figure 27. Removing the Machine from Storage 1. Remove the spark plug and spin the engine rapidly by pulling the recoil-start handle to blow the excess oil from the cylinder.
  • Page 18 Notes:...
  • Page 19 Notes:...
  • Page 20 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.

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