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CHIPPING KNIVES
Chipping knives should be resharpened or replaced
when tree limbs and branches require extra force to feed
completely into the chipper block.
Chipping knives may be resharpened until the distance
between the mounting holes and the top corner of the
blade bevel is 1/16” apart. (See Figure 33 on page 29).
To inspect and service the cutting knives, follow these
steps:
1. Turn engine off, allow rotor to stop completely,
remove the key, disconnect the battery, and discon-
nect and secure spark plug wire.
2. See Figure 30. Detach the shredder hopper from the
rotor housing to gain access to the chipper knife
socket head cap screws. Leave the liner and handle
in place on the hopper.
3. Using an allen wrench on the bolt head inside the
cone, and a 7/16” wrench or socket on the nut (see
Figure 31) remove the chipper cone to expose the
oval chipping block and one chipping knife.
Troubleshooting & Repair
Figure 30. Removing Shredder Hopper
*2552
Figure 31. Removing Chipper Cone to Expose
Chipping Knives.