Sharpeningor Replacingthe Blades, Chipper Blades

Chute

Hairpin \

Clips,

Clevis

Pins

_-_Hex

Nuts.
Washers 4	Screen

Chipper

Chute

Hand Knobs

FIGURE 18.

SHARPENINGOR REPLACINGTHE BLADES

CHIPPER BLADES

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

e Remove the flail screen as instructed in previous section.,

e Remove the chipper chute by removing three hex nuts and washers. A I/2" wrench is required. See figure 18.

NOTE: When reassembling, the cupped washer goes on 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 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 hous- ing). See figure 19_

e Remove the other blade in the same manner,

FIGURE 19.

Replace or sharpen blades. If sharpening, make cer-

tain 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 in the impeller assembly).

SHREDDING BLADE

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

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

eLower the hopper assembly° Block up the housing. See figure 204

e 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 open- ing on the back-up p!ate is toward the bottom of the uniL The back-up plate may be reversed to provide a new cutting edge.

Allen

Pii

Sharp

Torque

Wrench

FIGURE 20.

e Loosen the two hand knobs and cupped washers which secure the chute deflector, and raise the chute deflector.

e insert a t/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,

e Remove the two outside screws on the blade, using a 3/16" allen wrench and a 1/2" wrench.

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

79785, 247.797855 specifications

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In summary, the Craftsman 247.797855 and 79785 models are a testament to reliability, power, and user-friendly design. With their combination of a powerful engine, adjustable cutting deck, advanced transmission technology, and thoughtful ergonomic features, they stand as excellent choices for homeowners looking to maintain and enhance their outdoor spaces. Whether tackling small yards or larger landscapes, these mowers provide a seamless lawn care experience that professionals and enthusiasts alike will appreciate.

Craftsman 247.797855 manual Sharpeningor Replacingthe Blades, Chipper Blades, Shredding Blade

Models: 79785 247.797855