17
9. Using a 3/16” allen wrench, remove the flat head cap
screws that hold the chipper blade to the impeller.
These screws are accessible through the opening
created when the chipper chute was removed earlier.
See Figure 23.
10. The nuts on the flat head cap screws can be reached
from underneath using a 1/2-inch socket, universal,
and extension. See Figure 24.
11. Replace or sharpen chipper blade. The blade can be
sharpened with a file or on a grinding wheel.
12. When sharpening blade, protect hands by using
gloves and follow the original angle of grind.
13. Reassemble by performing the previous steps in the
opposite order and manner of removal.
NOTE: Tighten blade screws to 210 - 250 in-lbs. Make
certain chipper blade is reassembled with the sharp edge
facing upward.
Storing Your Yard Vacuum
1. Clean the equipment thoroughly.
2. Wipe equipment with an oiled rag to prevent rust.
3. Refer to engine manual for correct engine storage
instructions.
4. Store unit in a clean, dry area. Do not store next to
corrosive materials such as fertilizer.
Figure 23
&LAT(EAD#AP3CREWS
#HIPPER"LADE
Figure 24
.UTS
)MPELLER
5
Maintaining
Your Yard
Vacuum
NOTE: Tighten blade
screws to 210-250
in.-lbs. Make certain
chipper blade is reas-
sembled with the sharp
edge facing upward.