Lawn-Boy 10736 Operator's Manual
Lawn-Boy 10736 Operator's Manual

Lawn-Boy 10736 Operator's Manual

21in mulching/rear bagging lawn mower
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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. Using this product for purposes
other than its intended use could prove dangerous to
you and bystanders.
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.
Visit www.Lawn-Boy.com for more information,
including safety tips, training materials, 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 location
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
© 2018—Lawn-Boy® Inc.
8111 Lyndale Avenue South
Bloomington, MN 55420
21in Mulching/Rear Bagging Lawn
Mower
Model No. 10736—Serial No. 403400000 and Up
Model No. 10736HD—Serial No. 404320000 and Up
Figure 1
Register at www.LawnBoy.com.
serious injury or death if you do not follow the
recommended precautions.
This manual uses 2 words to highlight information.
Important calls attention to special mechanical
information and Note emphasizes general information
worthy of special attention.
To avoid waste and help the environment, a
side-discharge chute does not come with your
purchase (most customers prefer to mulch or
bag their grass clippings). You can request a
side-discharge chute when you register your product
at www.Lawn-Boy.com. Simply check the box in the
online registration form and Lawn-Boy will send you a
side-discharge chute at no additional charge. Please
allow 1 to 2 weeks for delivery.
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.
The enclosed engine owner's manual is supplied
g024124
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.
Gross or Net Torque: The gross or net torque
of this engine was laboratory rated by the engine
manufacturer in accordance with the Society of
Automotive Engineers (SAE) J1940 or J2723. As
configured to meet safety, emission, and operating
requirements, the actual engine torque on this class
of mower will be significantly lower. Please refer to
Original Instructions (EN)
Form No. 3423-270 Rev A
Operator's Manual
Figure 2
Safety-alert symbol
All Rights Reserved *3423-270* A
Printed in Mexico
g000502

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Questions and answers

Dave Arrowsmith
May 11, 2025

Looking for engine brake cable for model 10736----S/N 314006702

1 comments:
Mr. Anderson
May 20, 2025

You can find an engine brake cable for Lawn-Boy model 10736 by searching for part number 127-0713. This part is listed as the engine brake cable for that model.

This answer is automatically generated

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Summary of Contents for Lawn-Boy 10736

  • Page 1: Introduction

    Service Dealer or Lawn-Boy Customer Service and at www.Lawn-Boy.com. Simply check the box in the have the model and serial numbers of your product online registration form and Lawn-Boy will send you a ready. Figure 1 identifies the location of the model side-discharge chute at no additional charge.
  • Page 2: Table Of Contents

    the engine manufacturer’s information included with Storage Safety..........17 the machine. Preparing the Machine for Storage ....17 Remove the Machine from Storage....18 WARNING Safety CALIFORNIA Proposition 65 Warning The engine exhaust from this product This machine has been designed in accordance with contains chemicals known to the State of ANSI B71.1-2017.
  • Page 3: Safety And Instructional Decals

    Safety and Instructional Decals Safety decals and instructions are easily visible to the operator and are located near any area of potential danger. Replace any decal that is damaged or missing. decaloemmarkt Manufacturer's Mark 1. This mark indicates that the blade is identified as a part from the original machine manufacturer.
  • Page 4: Setup

    Setup Important: Remove and discard the protective plastic sheet that covers the engine and any other plastic or wrapping on the machine. Attaching the Handle No Parts Required Procedure WARNING Folding or unfolding the handle improperly g024125 can damage the cables, causing an unsafe Figure 3 operating condition.
  • Page 5: Filling The Engine With Oil

    g003251 Figure 4 1. Recoil-starter rope 2. Rope guide Filling the Engine with Oil g238622 Figure 5 1. Full 3. Low No Parts Required 2. High Procedure Carefully pour about 3/4 of the engine capacity of oil into the oil-fill tube. Important: Your machine does not come with oil in the engine, but it does come with a bottle of oil.
  • Page 6: Assembling The Grass Bag

    Assembling the Grass Bag No Parts Required Procedure Slip the grass bag over the frame as shown in Figure g027544 Figure 7 g027543 Figure 6 Hook the top and side channels of the bag onto 1. Handle 3. Grass bag the top and sides of the frame, respectively 2.
  • Page 7: Product Overview

    Product Overview g024128 Figure 8 1. Blade-control bar 5. Spark plug 2. Recoil-start handle 6. Air cleaner 3. Oil fill / Dipstick (not 7. Fuel-tank cap shown) 4. Cutting-height lever (2) 8. Grass bag...
  • Page 8: Operation

    Operation – Avoid prolonged breathing of vapors. – Keep your hands and face away from the nozzle and the fuel-tank opening. Note: Determine the left and right sides of the machine from the normal operating position. – Keep fuel away from your eyes and skin. Before Operation Filling the Fuel Tank •...
  • Page 9: Checking The Engine-Oil Level

    Checking the Engine-Oil Level Service Interval: Before each use or daily Important: If the oil level in the crankcase is too low or too high and you run the engine, you may damage the engine. g235721 Figure 10...
  • Page 10: Adjusting The Cutting Height

    Adjusting the Cutting Height CAUTION 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 wheels to the same cutting height (Figure 11).
  • Page 11: Starting The Engine

    Hold the blade-control bar against the handle (A of Figure 12). Check the grass bag frequently. If it is damaged, install a new Lawn-Boy Pull the recoil-start handle (B of Figure 12). replacement bag. Note: When you pull the recoil-start handle,...
  • Page 12: Operating Tips

    Shut off the engine and wait for all moving the cutting season begins. parts to stop before leaving the operating position. • Replace the blade when necessary with a Lawn-Boy replacement blade. Installing the Grass Bag Cutting Grass Lift up the rear deflector (Figure 13).
  • Page 13: After Operation

    Folding the Handle After Operation WARNING After Operation Safety Folding or unfolding the handle improperly can damage the cables, causing an unsafe General Safety operating condition. • Always shut off the machine, wait for all moving • Do not damage the cables when folding or parts to stop, and allow the machine to cool before unfolding the handle.
  • Page 14: Maintenance

    Figure 16 • To ensure optimum performance of the machine, 1. Spark-plug wire use only genuine Lawn-Boy replacement parts and accessories. Replacement parts and accessories made by other manufacturers could be dangerous, After performing the maintenance procedure(s), and such use could void the product warranty.
  • Page 15: Servicing The Air Filter

    Servicing the Air Filter Close the cover. Service Interval: Before each use or daily—Check Changing the Engine Oil the air filter for dirt and damage and clean or replace it if necessary. Service Interval: Yearly Yearly—Check the air filter for dirt and damage After the first 5 hours and clean or replace it if necessary (more frequently in dusty operating conditions).
  • Page 16: Replacing The Blade

    WARNING The blade is sharp; contacting the blade can result in serious personal injury. Wear gloves when servicing the blade. Refer to Preparing for Maintenance (page 14). Tip the machine onto its side with the air filter up. Use a block of wood to hold the blade steady (Figure 21).
  • Page 17: Storage

    Storage Store the machine in a cool, clean, dry place. Storage Safety Always shut off the machine, wait for all moving parts to stop, and allow the machine to cool before adjusting, servicing, cleaning, or storing it. Preparing the Machine for Storage On the last refueling of the year, add fuel stabilizer to the fuel as directed by the engine...
  • Page 18: Remove The Machine From Storage

    Remove the Machine from Storage Check and tighten all fasteners. Remove the spark plug and spin the engine rapidly by pulling the recoil-start handle to blow the excess oil from the cylinder. Install the spark plug and tighten it with a torque wrench to 20 N∙m (15 ft-lb).
  • Page 19 Lawn-Boy has chosen to provide consumers with as much information as possible so that they can make informed decisions about the products they buy and use. Lawn-Boy provides warnings in certain cases based on its knowledge of the presence of one or more listed chemicals without evaluating the level of exposure, as not all the listed chemicals provide exposure limit requirements.

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