Craftsman 247.388250 owner manual Servicing Blade, Engine Adjustments

Page 15

Servicing Blade

To Remove Blade

Remove the bolt, and the blade bell support. which holds the blade and adapter to the engine crankshaft. See Figure 14.

Remove the blade and the adapter from the crankshaft.

To Replace Blade:

Before reinstalling the blade and the blade

adapter to the unit, lubricate the engine crankshaft and the inner surface of the blade

adapter with light oil.

Install the blade adapter on the crankshaft with the "star" away from the engine. See Figure 14.

Blade Adapter

Crankshaft

Blade

Blade Bell

Hex Bolt

Support

Figure 14

Place the new blade with the side marked bottom (or with part number) facing away from the adapter.

Place the bell support next, Make sure to align the tabs in the holes of the blade with the hole in

the bell support.

•Insert the hex bolt through the blade assembly. Figure 14 shows the correct order of assembly.

•Use block of wood to hold blade while you tighten the bolt clockwise. Follow the

recommended torque for the bolt which is 450- 600 in.-Ibs.

IMPORTANT: The bolt, used to secure the blade to the engine, is specially heat-treated. Do not substitute. To order replacement bolt, refer to the Repair Parts section of this manual.

_.

your unit, all nuts and bolts must be

WARNING: To ensure safe operation of

 

checked periodicallyfor correct tightness.

To Sharpen Blade:

The blade can be sharpened witha file or on a gdnding wheel. Do not attempt to sharpen while on the mower.

Follow the original angle of grind as a guide. Make sure that each cutting edge receives an

equal amount of grinding to prevent an unbalanced blade.

NOTE: An unbalanced blade will cause excessive vibration when rotating at high speeds, may cause damage to the mower and could break, causing personal injury.

Test the blade by balancing it on a round shaft screwdriver or a blade balancer. See Figure 15. If the blade is not balanced, remove metal from the heavy side until it balances evenly.

1.Insert screw driver through hole

2.Blade should be parallelto ground

Screw

Driver_ Blade

Ground

Figure 15

Engine Adjustments

A WARNING: Do not make unnecessary adjustments on the engine. Factory settings are satisfactoryfor most conditions.

If any adjustments are made to the engine while the engine is running, keep clear of all moving parts. Be careful of heated surfaces and muffler. Keep your hands away from these parts.

Carburetor

The carburetor has been pre-set at the factory and should not require adLustment.

•If the engine on your mower does not operate properly due to suspected carburetor problems,

take your lawn mower to your nearest Sears service center.

Engine performance may be affected in altitudes

above 4000 feet. To improve engine performance, install a high altitude adjustment kit, available at the Sears service center,

NOTE: A dirty air cleaner will cause an engine to run

rough. Be certain air cleaner is clean and attached to the carburetor.

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Contents Sears, Roebuck and Co., Hoffman Estates, IL 60179, U.S.A Push Lawn MowerContent Product SpecificationsGeneraloperation Children Slope OperationYour Responsibility Rl t Assembling Handle Disconnecting Spark PlugRemoving Unit From Carton Loose PartsChute Door Pivot Rod Mulching PlugAttaching Grass Catcher to Mower PlugKnow Your Lawn Mower Meets Cpsc Blade Safety StandardsStopping Engine Gas And Oil Fill-UpStarting Engine Using Grass Catcher Height AdjustmentChute Door Beg Handle Cleaning Engine Maintenance Customer ResponsibilitiesGeneral Recommendations To Service Air Cleaner To Change Engine OilMuffler Chute Deflector Blade CareLubrication Gloves or a rag to grasp the cutting bladeServicing Blade Engine AdjustmentsAdjusting Handle Height Adjusting Cutting HeightYour mower is shipped with the handle in the higher Engine MowerChange oil ReplacesparkplugdonotconnectsparkplugwireUneven cut Problem Possible CauseSears Craftsman 4.0 H.P. Lawn Mower Model Sears Craftsman 4.0 H.P, Lawn Mower Model 285 Description Carburetor No 25JPulley & Rewind Spring Assy MY-HOME s PartsDirect sM

247.388250 specifications

The Craftsman 247.388250 lawn mower is a versatile and efficient gardening tool designed for homeowners who value performance and reliability in their outdoor equipment. This walk-behind mower stands out for its powerful engine, user-friendly features, and durable construction, making it an ideal choice for maintaining medium to large lawns.

One of the standout features of the Craftsman 247.388250 is its robust 159cc engine. This engine delivers reliable power, allowing the mower to tackle thick grass and challenging terrain with ease. The engine is designed for quick starts and consistent operation, ensuring that you can start your mowing session without hassle. Coupled with a 21-inch cutting deck, this mower provides a generous cutting width, reducing the time required to cover your lawn.

The Craftsman 247.388250 offers a 3-in-1 cutting system, enabling you to choose between mulching, side discharge, or bagging clippings. This flexibility allows you to customize your mowing experience based on your lawn's needs and your personal preference. The mulching feature is particularly beneficial as it recycles grass clippings back into the lawn, promoting healthy growth and reducing waste.

Another notable characteristic of this mower is its adjustable cutting height. With six different height settings, ranging from 1.25 inches to 3.75 inches, you can easily tailor the mower's performance to suit various grass types and seasonal conditions. This ensures that your lawn receives the optimal cut, promoting a lush and healthy appearance.

User comfort is enhanced by the adjustable ergonomic handle, which allows you to find the most comfortable mowing position. Additionally, the mower is equipped with large rear wheels that improve maneuverability, making it easier to navigate around obstacles in your yard.

Durability is a key aspect of the Craftsman brand, and the 247.388250 lives up to this reputation. Constructed from high-quality materials, this mower is designed to withstand the rigors of regular use while providing reliable performance over time.

In conclusion, the Craftsman 247.388250 lawn mower is a powerful, flexible, and user-friendly option that caters to the needs of homeowners. With its reliable engine, versatile cutting options, and durable build, it stands as an excellent choice for anyone looking to maintain a beautiful lawn efficiently. Whether you are a seasoned gardener or a beginner, the Craftsman 247.388250 is equipped with the features and technologies needed to make your mowing tasks easier and more enjoyable.
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