5.

Completely loosen the two screws that hold the

Engine Tune-Up Specifications

 

 

 

 

 

 

 

 

cover of the air cleaner. Remove the entire air

 

 

 

 

 

 

cleaner assembly from the base. Liftthe cover off

Armature air gap

0.006

- 0.014 inches

 

the air cleaner. See Figure 13.

 

 

 

 

 

 

 

 

Spark plug gap

0.020

inches

 

 

 

Intake

0.004

- 0.006

inch

 

Cover

Exhaust

0.009

- 0.011

inch

 

 

Base

Figure 13

6.To clean cartridge, gently tap pleated paper side on a flat surface.

7.To clean pre-cleaner, separate it from the cartridge and wash in liquid detergent and water. Air-dry thoroughly. Re-assemble the dry pre-cleaner on the cartridge.

,_ WARNING:solvents to cleanDocartridgenotuse.pressurizedPressurizedairairorcan damage cartridge while solvents will dissolve it.

8.Install clean (or new) air cleaner assembly in base so that the lip of the cartridge sits inside the base.

See Figure 13.

9.Place the cover over the air cleaner assembly and secure with the two screws loosened in step 6.

Lubrication

See Figure 15 for an illustration of the lube points described below.

Blade Assembly: Lubricate blade assembly and deck spindle before reassembling the blade either after sharpening or replacement.

Pivot Points: Lubricate all pivot points on the drive system, parking brake and lift linkage at least once a season with light oil.

Steering Shaft: Lubricate steedng shaft and gear spline at least once a season with light oil.

Gear: Lubricate teeth of the external steering gears with automotive multi-purpose grease every 25 hours of operation or once a season.

Front Wheels: Lubricate the front wheels with automotive grease once a season.

Spark Plug

1.Clean area around the spark plug base.

2.Remove and inspect the spark plug.

3.Replace the spark plug if electrodes are pitted, bumed, or the porcelain is cracked. See Figure 14.

4.Clean the spark plug and reset the gap to 0.020" at least once a season or every 100 hours of operation. See Figure 14. Replace if necessary. Refer to parts list section for part number.

NOTE: Do not sandblast spark plug. Spark plug should be cleaned by scraping or wire brushing and washing with a commercial solvent.

.020" gap

Figure 14

_ricete

Lubricate Lubricate

Figure 15: Lubrication Chart

Brake

During normal operation of any vehicle, the brake is subject to wear and tear. Check the brake every 25 hours of operation by carrying out the following test:

1.Release the parking brake and place the shift lever in neutral. Depress the brake pedal and try to roll the vehicle. It should not move. If the vehicle moves, adjust the brake following instructions on page 20.

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Image 16
Craftsman 247, 270, 250 Brake, Lubrication, Spark Plug, Completely loosen the two screws that hold, Lubricate Lubricate

270, 250, 247 specifications

The Craftsman 247,250,270 series of outdoor power equipment represents a robust lineup designed for both home gardening enthusiasts and professionals. These versatile machines offer a blend of durability, efficiency, and ease of use, making them invaluable for tackling various landscaping tasks.

One of the standout features of the Craftsman 247 series is its reliable engine performance. Powered by a strong, efficient engine, these machines deliver consistent power, whether you are mowing, trimming, or performing other gardening tasks. The engines are engineered for easier starting and smoother operation, reducing the frustration often associated with outdoor equipment.

The cutting technology employed in the 247 series deserves special mention. Many models come equipped with a precise cutting deck that boasts multiple height adjustments, allowing users to tailor the cutting height to suit different grass types and mowing conditions. This flexibility ensures a clean cut every time, promoting healthier lawn growth.

In terms of user comfort, the Craftsman 247,250,270 models incorporate ergonomic designs. The controls are intuitively placed, allowing for easy access while mowing. Additionally, features like adjustable handles and padded grips enhance overall user comfort, reducing fatigue during extended use.

Another notable characteristic of this series is its focus on durability. The materials used in the construction are selected for their resilience, ensuring that these machines can withstand the rigors of regular use. Steel decks and heavy-duty frames not only increase the longevity of the equipment but also provide stability during operation.

The Craftsman 247 series also incorporates modern technology to enhance usability. Some models feature electric start options, eliminating the hassle of manual pull-starts. Furthermore, the addition of innovative safety features such as automatic shut-off systems ensures that both the user and the machine remain safe during operation.

For those looking to tackle varied terrains, the 247 series offers machines with versatile wheel designs and traction capabilities. This allows for effective operation on both flat and uneven ground, making these models suitable for a variety of landscaping challenges.

In conclusion, the Craftsman 247,250,270 series is a robust solution tailored to meet the needs of gardeners and landscapers alike. With their powerful engines, user-friendly designs, and durable construction, these machines stand out as reliable workhorses in the outdoor power equipment market. Whether you are maintaining a pristine lawn or handling more extensive landscaping projects, these Craftsman models are equipped to deliver performance and efficiency.