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Craftsman 247.374411 - User Manual

Craftsman 247.374411
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Sears Brands Management Corporation, Hoffman Estates, IL 60179, U.S.A.
Visit our website: www.craftsman.comUsed under license
To order parts or schedule service for this
product, call:
1-888-331-4569
Customer Care Hot Line
Before using this equipment, read the
manual and follow all safety rules and
operating instructions.
© Sears Brands, LLC
Form No. 769-12930
(November 17, 2017)
21” LAWN MOWER
Model Nos. 247.39767*
* -- Last digit of model number varies
Operator’s Manual
21” LAWN MOWER
Model Nos. 247.37787*
247.37705*
247.37747*
247.374 41*
247.37744*
* -- Last digit of model number varies
CAUTION
TABLE OF CONTENTS
Safety Instructions ............................Pages 2-5
Slope Guide .....................................Page 6
Unpacking .......................................Page 7
Assembly .....................................Pages 7-9
Adjustments .........................................10
Operation ..................................Pages 11-13
Service and Maintenance ....................Pages 14-17
Off-Season Storage ..............................Page 18
Troubleshooting ............................ Page 19-20
Español ........................................ Page 22

Table of Contents

Questions and Answers

  • T
    Tara SchroederAug 16, 2025
    Why Craftsman 247.374411 engine fails to start?
    • V
      Vanessa AlexanderAug 16, 2025
      The Craftsman Lawn Mower engine may fail to start due to several reasons: - The blade control might be disengaged, so ensure it is engaged. - The spark plug boot could be disconnected; check and connect it. - The fuel tank may be empty or contain stale fuel; refill with fresh gasoline. - The engine may not be primed; prime it as instructed in the Operation section. - The spark plug might be faulty; clean, adjust the gap, or replace it. - The engine could be flooded; wait a few minutes before restarting.
  • S
    Susan BrooksAug 19, 2025
    What to do if Craftsman Lawn Mower engine fails to start with electric starter?
    • Y
      ymartinAug 19, 2025
      If your Craftsman Lawn Mower engine fails to start with the electric starter, consider the following: - Ensure the Electric Starter Push Key is fully inserted into the starter housing until it snaps into place. - The battery may not be charged. Charge the battery. - The circuit breaker might have tripped. Stop the engine, remove the Electric Starter Push Key, and disconnect the spark plug boot. Check for and carefully remove any debris obstructing the blade. Reattach the spark plug boot and reinsert the Electric Starter Push Key. Wait one minute for the circuit breaker to automatically reset, then try starting again.
  • U
    ustantonAug 21, 2025
    What to do if Craftsman 247.374411 Lawn Mower engine runs erratic?
    • F
      faithperezAug 21, 2025
      If your Craftsman Lawn Mower engine runs erratically, it could be due to: - A loose spark plug boot. Connect and tighten the spark plug boot. - Stale fuel. Replace the fuel with clean, fresh gasoline. - A plugged vent in the gas cap. Clear the vent. - Water or dirt in the fuel system. Run the engine until it stops due to lack of fuel, then refill with fresh fuel. - A dirty air cleaner. Refer to the Air Cleaner Maintenance section in the Engine Manual.
  • M
    Martin Smith MDAug 25, 2025
    Why Craftsman Lawn Mower has uneven cut?
    • U
      ucarterAug 26, 2025
      An uneven cut with your Craftsman Lawn Mower can result from: - Wheels not positioned correctly. Adjust the cutting height lever on the right front and right rear wheel to the same position. - A dull blade. Sharpen or replace the blade.
  • R
    robertyatesAug 28, 2025
    What to do if Craftsman 247.374411 Lawn Mower idles poorly?
    • C
      Chad HernandezAug 28, 2025
      If your Craftsman Lawn Mower idles poorly, it might be because: - The spark plug is fouled, faulty, or the gap is too wide. Reset the gap or replace the spark plug. - The air cleaner is dirty. Refer to the Air Cleaner Maintenance section in the Engine Manual.
  • C
    Casey MartinAug 31, 2025
    Why Craftsman 247.374411 Lawn Mower will not self propel?
    • I
      ilopezAug 31, 2025
      Your Craftsman Lawn Mower might not self-propel due to: - The belt not installed properly. Check the belt for proper pulley installation and movement. - Debris clogging the drive operation. Stop the engine, disconnect the spark plug boot, and clean out any debris. - A damaged or worn belt. Inspect the belt.
  • K
    Kelli HolmesSep 3, 2025
    Why Craftsman 247.374411 Lawn Mower engine overheats?
    • P
      Patrick AndrewsSep 3, 2025
      The Craftsman Lawn Mower engine may overheat if: - The engine oil level is low. Fill the crankcase with the proper oil. - The airflow is restricted. Clean the area around and on top of the engine.
  • Y
    youngkarlaSep 6, 2025
    Why Craftsman 247.374411 will not mulch grass?
    • A
      Amy HamiltonSep 6, 2025
      Your Craftsman Lawn Mower might not mulch grass effectively due to: - Wet grass. Avoid mowing when the grass is wet; wait until it's dry. - Excessively high grass. Mow once at a high cutting height, then mow again at the desired height or make a narrower cutting path. - A dull blade. Sharpen or replace the blade.
  • P
    Paul PetersonSep 9, 2025
    Why Craftsman 247.374411 Lawn Mower has excessive vibration?
    • N
      Nathaniel StevensSep 9, 2025
      Excessive vibration in your Craftsman Lawn Mower could be due to: - A loose or unbalanced cutting blade. Tighten the blade and adapter, and balance the blade. - A bent cutting blade. Replace the blade.
  • G
    Gregory JacobsonSep 12, 2025
    Why Craftsman 247.374411 Lawn Mower occasionally skips?
    • C
      Carlos MartinSep 12, 2025
      Occasional skipping or hesitation in your Craftsman Lawn Mower may be due to: - The spark plug gap being too close. Adjust the gap, referring to the Spark Plug Maintenance section in the Engine Manual.

Summary

SAFETY INSTRUCTIONS

General Operation Safety

Read and follow all instructions for safe machine operation and use.

Slope Operation Safety

Exercise caution on slopes; do not mow slopes greater than 15 degrees.

Children and Bystander Safety

Keep children and bystanders away from mower; never allow children under 14 to operate.

Safety Symbols and Gauge

Understand safety symbols and use the slope gauge for safe operation.

ASSEMBLY

Unpacking and Handle Assembly

Steps for unpacking the mower and assembling the handle.

Attaching Grass Catcher and Side Discharge

Instructions for attaching the grass catcher and side discharge cover.

ADJUSTMENTS

Cutting Height and Drive Control Adjustments

Adjusting cutting height and drive control wheel for proper operation.

Handle Pitch Adjustment

Adjusting the handle pitch for operator comfort.

OPERATION

Mower Components and Controls

Overview of mower components and controls like blade and drive controls.

Starting, Stopping, and Refueling

Instructions for filling fuel, starting, stopping, and using mulcher/grass catcher.

SERVICE AND MAINTENANCE

Maintenance Schedule and Lubrication

Recommended service intervals, tasks, and lubrication points for mower maintenance.

Engine and Deck Maintenance

Procedures for cleaning the engine and the mower deck.

Blade and Battery Service

Instructions for blade care, balancing, and battery charging/replacement.

OFF-SEASON STORAGE

Engine and Mower Preparation for Storage

Steps to prepare the engine and mower for long-term storage.

TROUBLESHOOTING

Engine Start and Performance Issues

Diagnosing and resolving problems with engine starting and erratic operation.

Operational Issues and Repairs

Fixing vibration, cut quality, propulsion, and mulching problems.

Craftsman 247.374411 Specifications

General IconGeneral
BrandCraftsman
Model247.374411
CategoryLawn Mower
LanguageEnglish

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