Craftsman 247.775890 Removing Flail Screen, Sharpening Or Replacing Blades, the curved side down

Models: 247.775890 77589

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Removing Flail Screen

Removing Flail Screen

if the discharge area becomes clogged, remove the flail screen and clean area as follows.

Stop engine, make certain the chipper- shredder has come to a complete stop and disconnect spark plug wire from the spark plug before unclogging the chute.

Remove the two hand knobs on each side of the discharge chute (also called the chute deflector).

Lift the discharge chute up, and keep it out of the way.

Remove two hex bolts which extend through the housing. See Figure 18.

Pull the flail screen from inside the housing.

See Figure 18.

Clean the screen by scraping or washing with water.

Reinstall the screen.

Put the discharge chute back to its original position and tighten the hand knobs.

NOTE: Be certain to reassemble the flail screen with

the curved side down.

Chute Deflector

Flail Screen

Hex Nut,

 

Washer

Hand Knobs

Figure 18

Sharpening Or Replacing Blades

Chipper Blades

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

Remove the flail screen as instructed.

Using a 1/2" wrench, remove the chipper chute

by removing throe pairs of hex nut and cupped washer.

Holdingthe chute to the frame, remove the hex boltsthat secure the brace to the frame. Remove the brace. You will need a 7/16" wrench for this. Rotate the impellerassemblyby _and untilyou locate one of the two chipperblades in the chip_er_ chute opening. Remove the blade, usinga 3/16" allenwrench on the outside of the blade and 1/2" wrench on the impellerassembly (insidethe housing).See Figure 19.

SlotBlade

Figure 19

Remove the other blade i_the _ame manner.

Replace or sharpen blades.

If 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 19 (sharp edge is assembled toward the slotted opening at the bottom).

Torque bolts and nuts to 250-300 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 20.

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Craftsman 247.775890 manual Removing Flail Screen, Sharpening Or Replacing Blades, the curved side down