76 cm

ATTACHING THE SHIELD

WARNING: The shield must be prop- erly installed. The shield provides partial protection to the operator and others from the risk of thrown objects, and is equipped with a line limiter blade which cuts excess line to the proper length. The line limiter blade (on un- derside of shield) is sharp and can cut you.

1.Insert bracket into slot on shield.

2.Pivot shield to align holes in shield and bracket.

Bracket

Slot Shield

ASSEMBLY INFORMATION - TRIMMER HEAD

TRIMMER

HEAD

NOTE: Remove the blade before attaching the trimmer head. To remove blade, align hole in the dust cup with the hole in the side of the gearbox by rotating the blade. Insert a small screwdriver into aligned holes. This will keep the shaft from turning while loosening the blade nut. Remove blade nut by turning clockwise. Remove the screwdriver. Remove both wash- ers and blade. See INSTALLATION OF THE METAL BLADE for illustrations. Be sure to store all parts and instructions for future use.

INSTALLATION OF THE TRIMMER HEAD

NOTE: If your unit has a plastic cover over the threads on the threaded shaft, remove the covering to expose the threads. Before instal- ling the trimmer head, make sure the dust cup and retaining washer are positioned on the gearbox as shown below.

ShieldGearbox

3. Secure shield to bracket with bolt. Dust cup

Retaining washer

Bolt

CONFIGURING YOUR UNIT

You can configure your unit using a cutting head for grass and light weeds, or a weed blade for cutting grass, weeds, and brush up to 1 cm in diameter. To assemble your unit, go to the sec- tion for the desired configuration and follow the instructions.

NOTE: Make sure all parts are properly installed as shown in the illustration before installing the trimmer head.

1.Align hole in the dust cup with the hole in the side of the gearbox by rotating the dust cup.

2.Insert a small screwdriver into aligned holes. This will keep the shaft from turning while tightening trimmer head.

3.While holding the screwdriver in position, thread trimmer head onto the shaft in the direction shown on the decal (counter- clockwise). Tighten until secure.

NOTE: The retaining washer must be posi- tioned with the raised section facing toward the gearbox.

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McCulloch MAC 250 B Attaching the Shield, Assembly Information Trimmer Head, Installation of the Trimmer Head
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MAC 250 B specifications

The McCulloch MAC 250 B chainsaw is a powerful and reliable tool that is well-suited for both professional and home users. It is designed to tackle a variety of tasks, from cutting firewood to pruning trees, making it a versatile choice for any outdoor enthusiast.

One of the standout features of the MAC 250 B is its robust engine. The chainsaw is equipped with a 25cc, air-cooled, two-stroke engine that provides a high power-to-weight ratio. This means that despite its relatively lightweight design, the MAC 250 B delivers impressive performance. The engine is engineered for efficient fuel consumption, allowing users to complete their tasks without the need for frequent refueling.

The chainsaw also features a 12-inch guide bar, which strikes a perfect balance between cutting capability and maneuverability. This makes it particularly effective for pruning and small to medium-sized tree maintenance. The chainsaw's chain is designed for easy sharpening and replacement, ensuring that users can keep their tool in optimal condition for the best cutting performance.

Safety is a paramount design consideration for the MAC 250 B. It is equipped with several safety features, including a chain brake that automatically stops the chain in the event of a kickback, protecting the user from potential injuries. Additionally, the chainsaw has an easy-to-access on/off switch, allowing for quick shut-off when needed.

Another notable aspect of the McCulloch MAC 250 B is its user-friendly design. The chainsaw has a comfortable handle that provides a solid grip, reducing fatigue during extended use. The lightweight construction, coupled with the well-balanced design, allows users to maneuver the chainsaw with ease, even in tight spaces.

In terms of maintenance, the MAC 250 B is designed for easy access to spark plugs and air filters, which simplifies routine upkeep. This ensures that the chainsaw remains in peak working condition with minimal effort, enhancing its longevity.

Overall, the McCulloch MAC 250 B is an excellent choice for those seeking a reliable and efficient chainsaw. With its combination of power, safety features, and ergonomic design, it is equipped to handle a range of outdoor tasks, making it a valuable tool for both novices and experienced users alike.
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