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Craftsman 247.20371 series - User Manual

Craftsman 247.20371 series
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Operator’s Manual
T1000 SERIES
LAWN TRACTORS
Model Nos. 247.20370*, 247.20371*, 247.20372*,
247. 20 37 7 *, 247. 20 373*, 247. 20 374*, 247. 20 375*,
247. 20 376* & 247. 20 379 *
For answers to your questions about
these products, call:
1-888-331-4569
Craftsman Customer Hot Line
This product has a low emission engine which operates differently
from previously built engines. Before you start the engine, read
and understand this Craftsman Operator’s Manual and the Engine
Operator’s Manual.
Sears Brands Management Corporation, Hoffman Estates, IL 60179 U.S.A.
Visit our website: www.craftsman.com
CAUTION
Before using this equipment,
read this manual and follow
all safety rules and operating
instructions.
Off-Season Storage ........................................................25
Troubleshooting ..............................................................26
Español............................................................34
Service Numbers ............................................Model/
Warranty Supplement
Safe Operation Practices .................................................2
Slope Gauge ...................................................................7
Assembly & Set-Up ..........................................................8
Controls & Operation .....................................................14
Service & Maintenance ..................................................20
Troubleshooting ...........................................................28
Español ........................................................................ 29
Warranty/Service ....................... See Separate Supplement
NOTE: This Operator’s Manual covers several models. Features may vary by model. Not all features in this manual are applicable to all models and the model
depicted may differ from yours.
* -- Last digit of model number varies
Form No. 769-11207
(October 13, 2015)

Questions and Answers

  • D
    Daniel DiazAug 15, 2025
    How to fix uneven cut with Craftsman 247.20371 Lawn Mower?
    • S
      Sean MontgomeryAug 15, 2025
      An uneven cut with your Craftsman Lawn Mower can be caused by several factors. First, the deck might not be leveled properly, so perform a side-to-side deck adjustment. A dull blade can also contribute to an uneven cut, so sharpen or replace the blade. Finally, check the tire pressure in all four tires, as uneven tire pressure can also cause this issue.
  • C
    chloejohnsonAug 23, 2025
    What to do if Craftsman Lawn Mower engine idles rough?
    • J
      John VanceAug 23, 2025
      If your Craftsman Lawn Mower engine idles rough, it could be due to a spark plug issue. The spark plug might be fouled, faulty, or have a gap that's too wide. Try replacing the spark plug and setting the correct gap. Another potential cause is a dirty air cleaner. In this case, replace the air cleaner element and/or clean the pre-cleaner.
  • S
    Sarah RojasAug 27, 2025
    What to do if Craftsman 247.20371 Lawn Mower engine runs erratically?
    • E
      Elizabeth KingAug 27, 2025
      If your Craftsman Lawn Mower engine is running erratically, it could be due to several reasons. First, check if the choke is activated and deactivate it. Next, ensure the spark plug wires are securely connected. A blocked fuel line or stale fuel could also be the culprit; in this case, replace the fuel line, fill the tank with clean, fresh gasoline, and replace the fuel filter. Additionally, check if the vent in the gas cap is plugged and clear it, or replace the cap if damaged. Water or dirt in the fuel system can also cause this issue, so drain the fuel tank and refill with clean, fresh gasoline. Lastly, a dirty air cleaner can lead to erratic engine performance, so replace the air cleaner paper element or clean the foam pre-cleaner if your mower is equipped with one.
  • T
    toddkelleyAug 31, 2025
    Why Craftsman 247.20371 Lawn Mower is not mulching grass?
    • A
      Antonio MichaelAug 31, 2025
      Your Craftsman Lawn Mower might not be mulching grass effectively because the engine speed is too low, so place the throttle in the FAST position. Avoid mulching when the grass is wet. If the grass is excessively high, mow once at a high cutting height, then mow again at the desired height, or make a narrower cutting swath. A dull blade will also prevent effective mulching, so sharpen or replace the blade.
  • S
    Sabrina HardinSep 4, 2025
    What causes excessive vibration in Craftsman 247.20371 Lawn Mower?
    • T
      Traci NguyenSep 4, 2025
      Excessive vibration in your Craftsman Lawn Mower may be caused by a loose or unbalanced cutting blade. Try tightening the blade and spindle. Alternatively, the cutting blade may be damaged or bent, requiring replacement.
  • A
    ashley17Sep 7, 2025
    Why Craftsman 247.20371 Lawn Mower engine hesitates at high RPM?
    • B
      bennetthollySep 7, 2025
      If your Craftsman Lawn Mower engine hesitates at high RPM, it could be due to the spark plug gap being too close. Remove the spark plug and reset the gap.
  • J
    Jason HillSep 10, 2025
    Why is my Craftsman Lawn Mower engine overheating?
    • W
      walshmikeSep 12, 2025
      Your Craftsman Lawn Mower engine may be overheating due to a low engine oil level. Fill the crankcase with the proper amount and weight of oil. Another cause could be restricted airflow. Clean grass clippings and debris from around the engine’s cooling fins and housing.
  • A
    Amanda DuffyNov 11, 2025
    Why Craftsman 247.20371 engine fails to start?
    • D
      dianewalterNov 11, 2025
      Your Craftsman Lawn Mower engine might fail to start due to several reasons: * The PTO/Blade Engage lever might be engaged: place it in the disengaged (OFF) position. * The parking brake might not be engaged: engage the parking brake. * Spark plug wires might be disconnected: connect the wires to the spark plugs. * The throttle/choke control lever might not be in the correct starting position: place the lever into the FAST position. * The choke might not be activated: move the throttle/choke lever into the Choke position. * The fuel tank might be empty or contain stale fuel: fill the tank with clean, fresh gas (less than 30 days old). * The fuel line might be blocked: replace the fuel line and fuel filter. * The spark plugs might be faulty: clean, adjust the gap, or replac...

Summary

Safe Operation Practices

Slope Operation

Exercise extra caution on slopes; do not exceed 15 degrees.

Children Safety

Never allow children to operate; keep them away from the machine.

Safe Handling of Gasoline

Extreme care needed due to flammability and explosive vapors.

Slope Gauge

Using the Slope Gauge

Instructions on how to use the gauge to determine safe operating slopes.

Assembly & Set-Up

Connecting the Battery Cables

Steps to safely connect the tractor battery cables.

Gas & Oil Fill-up Procedures

Procedures for filling fuel and checking oil levels.

Controls & Operation

Throttle;Choke Control Lever

Operation of the engine speed and choke control lever.

Hydrostatic Speed Control

Controls ground speed and direction for hydrostatic models.

CVT Speed Control Operation

Operation of speed control for CVT models.

Parking Brake Operation

How to set and release the parking brake.

Clutch-Brake Pedal Operation

Operation of the clutch-brake pedal and parking brake.

Shift Lever Operation

Selects forward, neutral, or reverse gear.

Safety Interlock System

Ensures safe operation by preventing unintended starting or operation.

Engine Starting Procedure

Step-by-step instructions for starting the tractor engine.

Driving the Lawn Tractor

General guidance and specific procedures for operating the tractor.

Driving on Slopes Safely

Safety precautions and techniques for operating on slopes.

Service and Maintenance

Maintenance Schedule Overview

A schedule outlining required maintenance tasks and intervals.

Troubleshooting

Engine Startup Failures

Common causes and remedies when the engine does not start.

Erratic Engine Operation

Causes and solutions for an engine running erratically.

Engine Overheating

Reasons for engine overheating and how to resolve them.

Craftsman 247.20371 series Specifications

General IconGeneral
Engine Displacement140 cc
Cutting Height Positions6
Grass Bag Capacity1.9 bushels
Mulching CapabilityYes
Side Discharge CapabilityYes
Cutting Width21 inches
Drive TypeRear-wheel drive
Discharge OptionsSide, Mulch
Drive SystemRear-Wheel Drive
Speed SettingsVariable
Warranty2-year limited
EngineBriggs & Stratton

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Craftsman 247.20371 series - User Manual