TroubleshootJflg& Repair
Figure 12. Removing the Shredder Hopper
Repair
Shredding Hammer Rotation and
Replacement
The cutting edges of the shredding hammers may
eventually wear out requiring rotation of the hammer or
replacement if all cutting edges have been dulled.
Triangular hammers can be rotated twice after the first
edge dulls, then flipped over once and rotated again for a
total of 6 edges. J-hammers can be flipped over once for
a total of two cutting edges.
To rotate the shredding hammers:
1. Turn the engine off and wait for all moving parts to
stop.
2. Disconnect the spark plug wire and secure it away
from the spark plug.
WARNING
To avoid serious injury from accidental starting,
always disconnect the spark plug wire and secure it
away from the spark plug when servicing the unit.
3. Detach the shredder hopper from the rotator housing
(Figure 12).
4. Remove the rotator cover by removing the hardware
that secures it to the main housing (Figure 13).
5. Note the assembly sequence of the hardware used to
secure the hammers (Figure 14). Using a 5/16" allen
wrench remove the socket head capscrew (A) and
related hardware.
7. inspect the hammers (G, H), spacer tubes (D, F), and
hardware. If the spacer tube (D, F) shows signs of
wear, replace it. inspect and flip, or replace the
hammers (G, H).
8. Reassemble the hammers, spacers, washers, and
capscrews. Torque the socket head capscrews (A)
to 30-35 ft. Ibs. (41-47 N.m.)Refer to Figure 14 for
assembly. The J-hammer (G) on the opposite side of
the rotor faces outward for balanced rotation.
Repeat for all the hammers.
Figure 13. Removing the Rotor Housing
Figure 14. Removing the Rotor Housing
A. Socket Hal. Capscrew E. Spacer, Short
B. Lockwasher, 3/8 F. Washer, 3/8 (SHP Only)
C. Washer, 7/8 G. J-Hammer
D. Spacer, Long H. Triangular Hammer
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