Craftsman 247.797855 Chipper User Manual


 
Chute
Hairpin \
Clips,
Clevis
Pins
_-_Hex
Nuts.
Washers 4
Screen
Chipper
Chute
FIGURE 18.
Hand Knobs
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.
14
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.
e Lower 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) intothe chute opening,
e Remove the two outside screws on the blade,
using a 3/16" allen wrench and a 1/2" wrench.
e Remove the blade by removing the center bolt, lock
washer and flat washer..