Service and Adjustments, Replace Spark Plug

REPLACE SPARK PLUG

Replace the spark plug each year to ensure the engine starts easier and runs better. Set spark plug gap at 0.025 inch (0.6 mm). Igni- tion timing is fixed and nonadjustable.

1.Twist, then pull off spark plug boot.

2.Remove spark plug from cylinder and dis- card.

3.Replace with Champion RCJ-6Y spark plug and tighten securely with a 3/4 inch (19 mm) socket wrench.

4.Reinstall the spark plug boot.

SERVICE AND ADJUSTMENTS

LINE REPLACEMENT

1.Remove spool by firmly pulling on tap but- ton.

2.Clean entire surface of hub and spool.

3.Replace with pre--wound spool, or cut a length of 18 feet of 0.065″ (1.65 mm) dia- meter Weed Eaterr brand line.

WARNING: Never use wire, rope, string, etc., which can break off and become a dangerous missile.

4.Insert one end of the line about 1/2 inch (1 cm) into the small hole on the inside of spool.

Small Hole

Spool

Line in Notch

Hub

Line exit hole

5.Wind the line evenly and tightly onto the spool. Wind in the direction of the arrow found on the spool.

6.Push the line into the notches, leaving 3 to 5 inches (7 -- 12 cm) unwound.

7.Insert the lines into the exit holes in the hub as shown in the illustration.

8.Align the notch with the line exit hole.

9.Push spool into hub until it snaps into place.

10.Pull the line extending outside of the hub to release it from the notch.

CARBURETOR ADJUSTMENT

WARNING: Keep others away when making idle speed adjustments. The trimmer head will be spinning during this procedure. Wear your protective equipment and observe all safety precautions.

The carburetor has been carefully set at the factory. Adjustments may be necessary if you notice any of the following conditions:

S Engine will not idle when the throttle is re- leased.

Make adjustments with the unit supported so the cutting attachment is off the ground and will not make contact with any object. Hold the unit by hand while running and making ad- justments. Keep all parts of your body away from the cutting attachment and muffler.

Idle Speed Adjustment

Allow engine to idle. Adjust speed until engine runs without stalling (idle speed too slow).

S Turn idle speed screw clockwise to in- crease engine speed if engine stalls or dies.

STurn idle speed screw counterclockwise to decrease engine speed.

Idle Speed Screw

Air Filter Cover

If you require further assistance or are unsure about performing this procedure, contact an authorized service dealer or call 1--800--554--6723.

FL20 specifications

The Sears FL20 is a remarkable lawn mower that stands out in the landscape of gardening tools, offering a blend of power, efficiency, and user-friendly design that caters to both amateur gardeners and landscaping professionals alike. Built for performance, the FL20 model boasts a robust 20-inch cutting deck that allows users to cover substantial ground with each pass. This size strikes an excellent balance between maneuverability and efficiency, making it ideal for diverse yard sizes.

One of the main features of the Sears FL20 is its powerful engine. Equipped with a reliable four-stroke motor, it provides consistent power for cutting through thick grass and tackling challenging terrains. The engine design emphasizes fuel efficiency, making it an economical choice for regular use. Additionally, the FL20 includes an electric start option, which eliminates the hassle of pull ropes, allowing for quick and effortless startup.

The FL20 also incorporates advanced cutting technologies. With multiple height adjustment settings, users can customize their mowing experience based on the grass type and length, ensuring a clean and even cut. The mower’s sharp, durable blades are designed for precision, providing a professional-looking finish. This feature is particularly beneficial during the growing season or after heavy rainfall, where grass can quickly become unruly.

In terms of user comfort, the Sears FL20 shines with its ergonomic handle design, which minimizes strain during operation. The handles can be easily adjusted to suit different user heights, enhancing comfort and control. Furthermore, its lightweight construction allows for effortless maneuverability around obstacles, while the compact design makes it easy to store when not in use.

Durability is an essential characteristic of the FL20. The chassis is constructed from high-quality materials, ensuring longevity and resilience against the rigors of regular lawn care. With proper maintenance, the SEars FL20 can provide many seasons of reliable service.

In summary, the Sears FL20 is a well-rounded lawn mower that effectively combines power, efficiency, and user adaptability. Its impressive cutting capability, ease of use, and durable build make it a top choice for anyone looking to maintain a pristine lawn. Whether for a small residential yard or larger landscaped areas, the FL20 delivers performance that facilitates a seamless mowing experience.