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11
7. Reinstall the screen.
8. Put the discharge chute back to its original
position and tighten the hand knobs.
NOTE: Be certain to reassemble the flail screen
with the curved side down.
Figure 9
SHARPENING OR REPLACING THE
CHIPPER BLADES
All models
1. Disconnect spark plug wire and move it away
from spark plug.
2. Remove the flail screen as instructed in previous
section.
3. Using a wrench, remove the chipper chute by
removing three hex nuts and washers.
Model 463 or 465
4. Use an adjustable wrench, to remove the brace
holding the chipper chute to the frame by
removing the hex bolts.
All models
5. Rotate the impeller assembly by hand until you
locate one of the two chipper blades in the
chipper chute opening. Remove the blade, using
a 3/16" allen wrench on the outside of the blade
and an adjustable wrench on the impeller
assembly (inside the housing). See Figure 10.
Figure 10
6. Remove the other blade in the same manner.
7. Replace or sharpen blades.
8. If sharpening, make certain to remove an equal
amount from each blade.
9. Reassemble in reverse order. Make certain
blades are reassembled with the sharp edge
facing the direction shown in Figure 10 (sharp
edge is assembled toward the slotted opening at
the bottom).
10. Torque bolts and nuts to 250-350 inch-pounds.
SHARPENING OR REPLACING THE
SHREDDER BLADE
The shredder blade may be removed for sharpening
or replacement as follows. See Figure 11.
1. Disconnect spark plug wire and move it away
from spark plug.
2. Lower the hopper assembly. Block up the
housing.
Figure 11
Hex Nuts
Washers
Chipper Chute
Hand Knobs
Flail
Screen
Clevis
Pin
Hairpin
Clip
Discharge
Chute
Slot
Blade
Pipe
Torque Wrench
Weld
Blade
Allen Screws
Bolt