Troy-Bilt 24A-070F766 - Manual (Page 14)

14
• 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 20.
Figure 20
• The nuts on the flat head cap screws can be
reached from underneath using a 1/2-inch socket,
universal, and extension. See Figure 21.
Figure 21
• Replace or sharpen chipper blade. The blade can
be sharpened with a file or on a grinding wheel.
• When sharpening blade, protect hands by using
gloves and follow the original angle of grind.
• Reassemble by performing the previous steps in
the opposite order and manner of removal.
• Tighten blade screws to 210 - 250 in-lbs.
NOTE: Make certain chipper blade is reassembled with
the sharp edge facing upward. See Figure 22.
Figure 22
Storing Your Yard Vacuum
• Clean the equipment thoroughly.
• Wipe equipment with a oiled rag to prevent rust.
• Refer to engine manual for correct engine storage
instructions.
• Store unit in a clean, dry area. Do not store next to
corrosive materials such as fertilizer.
Flat Head
Chipper Blade
Cap Screw
Nuts
Impeller
Flail
Blade
Chipper
Blade
Impeller
Assembly