Craftsman 944.365990 User Manual

Craftsman 944.365990

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Model No.

944.365990

CAUTION:

Read and follow all

Safety Rules and In struc tions

before operating this equipment

Owner’s Manual

ROTARY LAWN MOWER

6.75 Horsepower

Power-Propelled

21" Multi-Cut

Sears Canada, Inc., Toronto, Ontario M5B 2B8

Table of Contents

Questions and Answers:

A
angelicamillerAug 13, 2025
Why my Craftsman 944.365990 Lawn Mower does not start?
- L
  Lisa SuarezAug 13, 2025
  Your Craftsman Lawn Mower might not start due to several reasons: * A dirty air filter. Clean or replace it. * Lack of fuel. Refill the fuel tank. * Stale or water-contaminated fuel. Empty and refill with fresh, clean gasoline. * A disconnected spark plug wire. Reconnect the wire. * A bad spark plug. Replace the spark plug. * A loose or broken blade adapter. Tighten the blade bolt or replace the adapter. * The control bar is not depressed. Depress the control bar to the handle. * A defective control bar. Replace it. * The fuel valve lever is in the OFF position. Turn it to ON. * A weak battery (if equipped). Charge the battery. * A disconnected battery connector (if equipped). Connect the battery to the engine.
J
jasonmcgeeAug 16, 2025
Why is my Craftsman 944.365990 losing power?
- D
  Dr. Levi MillerAug 16, 2025
  If your Craftsman Lawn Mower is losing power, consider these potential causes: * The rear of the mower housing or blade may be dragging in heavy grass. Try raising the cutting height. * You might be cutting too much grass at once. Increase the cutting height. * The air filter could be dirty. Clean or replace it. * There might be a buildup of grass, leaves, and trash under the mower. Clean the underside of the mower housing. * There may be too much oil in the engine. Check the oil level. * Your walking speed could be too fast. Cut at a slower pace.
M
Michael HutchinsonAug 20, 2025
How to fix poor uneven cut from Craftsman Lawn Mower?
- Z
  zsandersAug 20, 2025
  An uneven cut with your Craftsman Lawn Mower can be caused by: * A worn, bent, or loose blade. Replace the blade and tighten the blade bolt. * Uneven wheel heights. Set all wheels at the same height. * Buildup of grass, leaves, and trash under the mower. Clean the underside of the mower housing.
D
David LewisAug 25, 2025
Why is the starter rope hard to pull on my Craftsman Lawn Mower?
- L
  Lorraine MurphyAug 25, 2025
  If the starter rope on your Craftsman Lawn Mower is hard to pull, it could be due to: * The engine flywheel brake being engaged when the control bar is released. Depress the control bar to the upper handle before pulling the starter rope. * A bent engine crankshaft. * A broken blade adapter. Replace the blade adapter. * The blade dragging in grass. Move the lawn mower to cut grass or to a hard surface.
N
Natalie TurnerAug 27, 2025
Why is my Craftsman 944.365990 so hard to push?
- K
  Kristi GarciaAug 28, 2025
  If your Craftsman Lawn Mower is hard to push, consider the following: * The grass may be too high, or the wheel height may be too low. Raise the cutting height. * The rear of the mower housing or cutting blade might be dragging in the grass. Raise the rear of the mower housing one setting higher. * The grass catcher could be too full. Empty the grass catcher. * The handle height position might not be right for you. Adjust the handle height to suit your comfort.
D
Darren MillerAug 31, 2025
What to do if Craftsman 944.365990 losing drive?
- M
  Michael MartinezAug 31, 2025
  If your Craftsman Lawn Mower is experiencing a loss of drive or slowing drive speed, check for: * Belt wear. Check or replace the drive belt. * The belt being off the pulley. Check and reinstall the drive belt. * A worn or broken drive cable. Replace the drive cable. * A loose drive control system. Adjust the drive control.
R
Robert OliverSep 4, 2025
Why is my Craftsman Lawn Mower vibrating so much?
- J
  Judy CarrSep 4, 2025
  Excessive vibration in your Craftsman Lawn Mower may be due to: * A worn, bent, or loose blade. Replace the blade and tighten the blade bolt. * A bent engine crankshaft.
K
Karen BartlettSep 8, 2025
What to do if grass catcher not filling on Craftsman 944.365990 Lawn Mower?
- N
  Natalie EsparzaSep 8, 2025
  If the grass catcher on your Craftsman Lawn Mower is not filling, it could be due to: * The cutting height being too low. Raise the cutting height. * The lift on the blade being worn off. Replace the blade. * The catcher not venting air. Clean the grass catcher.

Craftsman 944.365990 Specifications

General

Power Source	Gas
Cutting Height Positions	6
Mulching Capability	Yes
Bagging Capability	Yes
Side Discharge Capability	Yes
Cutting Width	21 inches
Wheel Size	7 inches front, 8 inches rear
Drive System	Rear Wheel Drive
Cutting Height	1.5-3.75 inches

Summary

Safety Rules

General Operation Safety

Read and follow all instructions before starting and operating the mower.

Safety Rules - Specific Hazards

Slope Operation Safety

Exercise extra caution when mowing on slopes to prevent slips and falls.

Children and Gasoline Safety

Be alert to children and handle gasoline with extreme care.

Product Specifications

Assembly and Preparation

Remove Mower from Carton

Steps to unpack and remove the lawn mower from its shipping carton.

Mower Setup Procedures

Set Up Mower Handle

Instructions for unfolding and adjusting the mower handle.

Prepare Mower Battery

Steps to charge the lawn mower battery before initial use.

Lawn Mower Operation

Know Your Lawn Mower

Familiarize yourself with the mower's controls and components.

Using Your Lawn Mower

Engine Speed and Controls

Guidance on engine speed, zone control, and drive controls.

Adjust Cutting Height

Steps to set the mower's cutting height for different lawn conditions.

Converting Your Lawn Mower

Rear Bagging and Side Discharging

Instructions for converting between bagging and discharging modes.

Before Starting Engine

Add Oil and Fuel

Procedures for adding oil and gasoline to the mower before operation.

Starting Engine

Step-by-step guide to starting the lawn mower engine.

Mowing Tips

Mulching Mowing Tips

Best practices for mulching grass clippings.

Maintenance Schedule and Checks

Maintenance Schedule

A schedule outlining required maintenance tasks based on usage intervals.

Lubrication and General Recommendations

Guidance on lubrication and overall mower maintenance advice.

Blade Care and Gear Case

Blade Care and Replacement

Instructions for caring for, removing, replacing, and sharpening the mower blade.

Gear Case Maintenance

Information on cleaning and maintaining the mower's gear case.

Engine Maintenance

Engine Lubrication and Oil Change

Procedures for engine oil selection, level checks, and replacement.

Air Filter, Muffler, and Spark Plug

Maintenance for air filter, muffler inspection, and spark plug replacement.

Cleaning Procedures

Clean Underside and Drive Cover

How to clean the mower's underside and drive cover.

Service and Adjustments

Adjust Cutting Height

Steps to set the mower's cutting height for different lawn conditions.

Rear Deflector

Information regarding the rear deflector and its replacement.

Remove Drive Belt

Instructions for removing the mower's drive belt for service.

Drive Belt and Handle Adjustments

Replace Drive Belt

Instructions for installing a new drive belt on the mower.

Adjust Handle Position

How to adjust the mower handle height for comfort.

Storage Guidelines

Mower Storage Preparation

Steps to prepare the mower for storage, including cleaning and lubrication.

Handle Folding for Storage

Instructions on folding the mower handle for storage or transport.

Engine Storage Procedures

Fuel System and Battery Preparation

Procedures for fuel system, oil, and battery preparation for storage.

Cylinder and Other Storage Steps

Steps for cylinder preparation and other storage recommendations.

Troubleshooting

Engine Start and Power Issues

Causes and corrections for engine not starting or losing power.

Mower Performance Issues

Cut Quality and Vibration Problems

Solutions for poor cut, vibration, starter rope, and catcher issues.

Drive and Pushability Problems

Troubleshooting for drive speed and hard-to-push mower issues.

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