2.SHARPENING OR REPLACING THE BLADES

Chipper Blades

Disconnect spark plug wire and move it away

from spark plug.

Remove the flail screen as instructed in previous section.

Using a 1/2" wrench, remove the chipper chute by removing three hex nuts and washers. See figure 17.

Using a 7/16" wrench, remove the brace (holding the chute to the frame) by removing the hex bolts.

NOTE: When re-assembling, the cupped washer goes on the slot toward the bottom of the chipper chute with the cupped side against the chute.

Rotate the impeller assembly by hand until you locate one of the two chipper blades in the chipper chute opening. Remove the blade, using a 3/16" allen wrench on the outside of the blade and 1/2" wrench on the impeller assembly (inside the housing). See figure 18.

Sharp Edge

Figure 18

Remove the other blade in the same manner. Replace or sharpen blades.

oIf sharpening, make certain to remove an equal amount from each blade.

Reassemble in reverse order. Make certain

blades are reassembled with the sharp edge facing the direction shown in figure 18 (sharp edge is assembled toward the slotted opening at the bottom).

Torque bolts and nuts to 250-350 inch-pounds.

Shredding Blade

The shredding blade may be removed for sharpening or replacement as follows.

•Disconnect spark plug wire and move it away from spark plug.

•Lower the hopper assembly. Block up the housing. See figure 19.

Allen

Screws

f

Pipe

Blade

Wrench

Figure 19

•Remove the six hex lock nuts and lock washers

from the housing weld bolts using a 1/2" wrench. Separate the chipper-shredder into two halves.

•Remove the back-up plate.

NOTE: When reassembling, make certain the embossed tab faces inward towards the impeller, and opening on the back-up plate is toward the bottom of the unit.

Remove the two hand knobs and cupped washers which secure the chute deflector. Raise the chute deflector.

Insert a 1/2" or 3/4" diameter pipe through the flail screen into the impeller to keep it from turning, or remove the flail screen and insert a piece of wood (2 x 4) into the chute opening. Remove the two outside screws on the blade, using a 3/16" allen wrench and a 1/2" wrench.

Remove the blade by removing the center bolt, lock washer and flat washer.

the blade to avoid contacting the weld bolts

_ WARNING: Use caution when removing on the housing.

When sharpening the blade, follow the original angle of grind as a guide. It is extremely important that each cutting edge receives an

15

Page 14 Page 16
Page 15
Image 15
Craftsman 247.77586 manual Sharpening or Replacing the Blades, Chipper Blades, Shredding Blade, Sharp Edge
Page 14 Page 16

247.77586 specifications

The Craftsman 247.77586 represents a blend of innovative engineering and practical design tailored for homeowners and garden enthusiasts. This versatile tool, primarily a snow blower, is optimized for efficient snow removal, making it an essential asset during winter months when heavy snowfall can pose challenges.

One of the standout features of the Craftsman 247.77586 is its powerful 24-inch clearing width, which allows users to quickly clear driveways, sidewalks, and patios. The machine is equipped with a robust 208cc engine that delivers reliable performance in various snow conditions. This engine provides ample power to move heavy, wet snow, ensuring users can tackle even the toughest of winter storms with confidence.

The Craftsman 247.77586 is designed with user comfort and convenience in mind. Its ergonomic handles are adjustable, allowing for a customizable grip that can be adjusted to suit different users' preferences. Furthermore, the snow blower features a hydraulic chute control, enabling users to easily adjust the direction of snow discharge without needing to halt their operations. This tool can throw snow up to 30 feet away, helping prevent the accumulation of snow in areas that have already been cleared.

The unit is equipped with a 6-speed transmission, comprising 5 forward speeds and 1 reverse, allowing for efficient maneuvering to suit different snow depths and types. This feature is particularly advantageous when navigating tricky terrain or when following previously cleared paths.

Another notable characteristic of the Craftsman 247.77586 is its durable construction. Built with high-quality materials, this snow blower is designed to withstand the rigors of frequent use during harsh winter months. The heavy-duty impeller and auger work together effectively to break down large snow piles, while the sturdy chassis ensures stability and resilience.

Additionally, the Craftsman 247.77586 boasts easy maintenance features. Access points for oil changes and spark plug replacements are conveniently located, allowing users to keep the equipment in top shape with minimal hassle. This attention to maintenance eases the ownership experience, ensuring that performance remains at an optimal level throughout the snow season.

In summary, the Craftsman 247.77586 is not just a snow blower; it is a reliable winter partner. With its powerful engine, substantial clearing capabilities, user-friendly adjustments, and durable construction, it is designed to tackle the demands of winter efficiently. For anyone seeking to maintain a clear outdoor space during snowfalls, the Craftsman 247.77586 stands out as a dependable choice.
Top Page Image Contents