SHARPENING OR REPLACING CHIPPER BLADES
Disconnect spark plug wire and move it away from spark plug.
Remove the 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 10.
Rotate the impeller assembly by hand until you locate the chipper knife in the chipper chute opening.
Remove the knife using a 3/16" allen wrench on the outside of the blade and 1/2" wrench on the impeller
assembly (inside the housing). See figure 11. For added convenience, you can remove the rubber
discharge cover. . .
Replace or sharpen knife. If sharpening, care must be exercised to maintain the correct bevel and a
straight cutting edge.
Figure 11
Make certain knife is reassembled with the sharp edge facing the direction shown in figure 11 (sharp
edge is assembled toward the slotted opening in the impeller assembly).
SHARPENING OR REPLACING TRI-LOBE BLADE
The tri-Iobe blade may be removed for sharpening or replacement as follows:
(1) Remove the screen as per instructions in previous section.
(2) Tilt housing up on front bumper. Remove the hopper assembly by removing four nuts.
(3) Prevent the impeller assembly frorri moving by jamming it with 2' piece of 2" x 4" inserted through
the discharge opening.
(4) With a 9/16" wrench, remove the blade by removing the center bolt, lock washer and retaining
washer. It's a good idea to wear gloves. The tri-Iobe blade is very sharp.
NOTE: Use caution when removing the blade to avoid contacting the weld bolts on the housing.
13
To Next Page
Loading...
