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26
REPAIR
SHREDDING HAMMERS
The cutting edges of the shredding hammers may even-
tually wear out, requiring rotation of the hammers, or
complete replacement if all cutting edges have been
used.
Triangular hammers can be rotated five times after the
first edge dulls, then flipped over once and rotated again
for a total of six cutting edges. J hammers can be flipped
over once (Model 5/14 only), for a total of two cutting
edges. Shredding hammers need to be rotated when
shredding performance becomes sluggish, or when the
edges of the hammers wear down, as shown in Figure
24.
To inspect and service the shredding hammers, 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. Detach the shredder hopper from the rotor housing,
leaving the liner and handle in place on the hopper.
See Figure 26.
3. Remove the rotor housing by unscrewing the
5/16–18 hex nuts that hold it to the fan housing.
See Figure 27.
Troubleshooting & Repair
*2559
Figure 26. Removing Shredder Hopper
Figure 27. Removing Rotor Housing
*2552