Troy-Bilt 24A-070F768 Manuel D’Utilisation

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.

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.

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NOTE: Tighten blade 
screws to 210-250 
in.-lbs. Make certain 
chipper blade is reas-
sembled with the sharp 
edge facing upward.