Assembly Information Weed Blade | McCulloch MAC 250 B specs

ASSEMBLY INFORMATION - WEED BLADE

WEED

BLADE

ShieldGearbox

Dust cup

Threaded shaft

NOTE: Remove the trimmer head before Installing the weed blade. To remove the trim- mer head, align hole in the dust cup with the hole in the side of the gearbox by rotating the dust cup. Insert a small screwdriver into aligned holes. This will keep the shaft from turning while

Retaining washer

Cupped washer Nut

Wrench

Blade

loosening the trimmer head. Remove the trim- mer head by turning clockwise. Remove the screwdriver. See INSTALLATION OF THE TRIMMER HEAD for illustrations. Be sure to store all parts and instructions for future use. Never use the trimmer head with the metal blade installed.

INSTALLATION OF THE METAL BLADE

WARNING: Wear protective gloves when handling or performing maintenance on the blade to avoid injury. The blade is sharp and can cut you even when it is not moving.

WARNING: Do not use any blades, or fastening hardware other than the washers and nuts shown in the following illustrations. These parts must be provided by McCulloch and installed as shown below. Failure to use proper parts can cause the blade to fly off and seriously hurt you or others.

NOTE: The dust cup is located on the gearbox shaft and not in the parts bag. All other fasten- ers mentioned in the following assembly steps are in the parts bag.

1.Install the blade and the retaining washer over the threaded shaft.

2.Make sure the raised part of the retaining washer is facing the gearbox and the raised area fits into the hole in the center of the blade.

3.Slide the blade and retaining washer onto the shaft of the gearbox.

4.Place the cupped washer onto the shaft. Make sure the cupped side of the washer is toward the blade.

5.Install the blade nut by threading onto the shaft counterclockwise.

NOTE: Make sure all parts are in place as il- lustrated, and the blade is sandwiched between the dust cup and the retaining washer. There should be no space between the blade and the dust cup or the retaining washer.

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

7.Insert a small screwdriver into aligned holes. This will keep the shaft from turning while tightening the blade nut.

8.Tighten blade nut firmly with a wrench while holding screwdriver in position.

9.Remove the screwdriver.

10.Turn blade by hand. If the blade binds against the shield, or appears to be uneven, the blade is not centered, and you must re- install.

NOTE: To remove blade, insert screwdriver into aligned holes. Unthread the nut and remove parts. Be sure to store parts and instructions for future use.

ATTACHING THE TRANSPORT GUARD

NOTE: The transport guard must always be attached to the blade when the machine is be- ing transported or in storage.

1.Remove ends of wire retainer from the clips on the transport guard.

2.Lift wire retainer and position blade in transport guard.

3.Place wire retainer over blade and insert both ends of wire retainer back into clips.

Wire retainer	Transport
	guard
Clip

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.

McCulloch MAC 250 B Assembly Information Weed Blade, Installation of the Metal Blade

Models: MAC 250 B