Craftsman 247.797852, 247.797853 manual Servkce & Adjustment, Removingtheflailscreen

SERVKCE & ADJUSTMENT

WARNING: ALWAYS STOP ENGINE AND DISCONNECT SPARK PLUG WIRE AND MOVE IT AWAY FROM SPARK I

PLUG BEFORE PERFORMING ANY ADJUSTMENTS OR REPA RS.

REMOVINGTHEFLAILSCREEN

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

e Stop the 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

e Loosen the two hand knobs on each side of the chute deflector Lift the chute deflector up, and tie it out of the way

eRemove two hairpin clips from the clevis pins which extend through the housing Remove the clevis pins Lift the flail screen from inside the housing See figure 18

e Clean the screen by scraping or washing with water Reinstall the screen

NOTE: Be certain to reassemble the flail screen with the curved side down as shown in figure 18.

NOTE: When reassembling, the cupped washer goes on the bottom of the chipper chute with the cupped side against the chute

e 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

eRemove the other blade in the same manner

@

Chute

Hairpin

Clips,

Clevis

Pins

_Hex

Nuts.Flail

WashersScreen

Chipper

Chute

Hand Knobs

FIGURE 18.

SHARPENINGOR REPLACINGTHE BLADES

CHIPPER BLADES

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

®Remove the flail screen as instructed in previous section.

®Remove the chipper chute by removing three hex nuts and washers A 1/2" wrench is required, See figure 18

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,

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

®Lower the hopper assembly, Block up the housing See figure 20

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 plate is toward the bottom of the unit The back-up plate may be reversed to provide a new cutting edge

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