Sharpening or replacing the blades – Craftsman 247.797855 User Manual
Page 14
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Chute Deflector
Hand Knobs
FIGURE 18.
SHARPENING OR REPLACING THE 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 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"
alien wrench on the outside of the blade and 1/2"
wrench on the impeller assembly (inside the hous
ing), See figure 19.
® Remove the other blade in the same manner.
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
tor
sharpening
or repiacement as follows,
» Disconnect spark plug wire and move It away from
spark plug.
®
Lower the hopper assembly. Block up the housing
See figure 20.
® 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.
FIGURE 19.
FIGURE 20.
®
Loosen
the
two
hand
knobs
and
cupped
washers
which
secure
the
chute
deflector,
and
raise
the
chute deflector.
® Insert a 1/2" or 3/4" diameter pipe through the flail
screen into the impeller to keep it from turning, or
iGlituVt; U It; ndif bUltimi di tU lilbtili d pitiLft; Ul WUUU
(2 X 4) into the chute opening,
®
Remove
the
two
outside
screws
on
the
blade,
using a 3/16" alien wrench and a 1/2" wrench.
® Remove the blade by removing the center bolt, lock
washer and flat washer.
14