Craftsman 247.77588O Chipper User Manual


 
REMOVING THE FLAIL SCREEN
Ifthe discharge area becomes clogged, remove the
flailscreenand 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 thetwohand knobs on each sideof
the dischargechute (alsocalledthechute
deflector).
Liftthe dischargechute up,and keepitoutof
the way.
Remove twohairpinclipsfromtheclevispins
whichextend throughthehousing.Removethe
clevispins,See figure 17.
Pullthe flail screen from insidethe housing.
See figure 17.
Cleanthe screen by scrapingorwashingwith
water.
Reinstallthe screen.
Putthedischargechuteback to its original
positionand tightenthe handknobs.
NOTE: Be certainto reassemble the flail screen with
the curved side down.
Chute Deflector
Chipper Chute
Removethe flailscreenas instructedin previous
section.
Usinga 1/2"wrench, removethe chipperchute
by removingthree hexnutsand washers. See
figure 17,
Usinga 7/16" wrench,removethe brace
(holdingthechutetothe frame) byremovingthe
hex bolts.
NOTE: When re-assembling,thecuppedwasher
goes on theslottowardthebottom of thechipper
chute withthecuppedsideagainstthechute.
Rotate the impeller assemblyby hand untilyou
locate one of the two chipperblades in the
chipper chute opening. Removethe blade, using
a 3/16" allenwrench on the outside of the blade
and 1/2" wrench on the impeller assembly
(inside the housing). See figure 18.
Slot Blade
HexNut,
Washer
HandKnobs
Figure 17
SHARPENING OR REPLACING
THE BLADES
Chipper Blades
Disconnectspark plug wire and move it away
from spark plug.
Figure 18
Remove theotherbladeinthe same manner.
Replaceor sharpenblades.
Ifsharpening,makecertaintoremove anequal
amountfrom each blade.
Reassemblein reverseorder.Make certain
bladesare reassembledwiththe sharpedge
facing the directionshownin figure18 (sharp
edge isassembled towardtheslottedopeningat
the bottom).
Torque boltsand nutsto250-350 inch-pounds.
Shredding Blade
The shredding blade may be removed for sharpening
or replacement as follows.
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