Operating instructions

22
TROUBLESHOOTING AND REPAIR
4. Using leather work gloves to protect your hands from
sharp edges, carefully rotate the rotor
counterclockwise until the first worn hammer is at the
top position.
5. Before proceeding, note the assembly sequence of
the hammer, spacer, spacer tube, and hardware.
Hammers and spacers must be reassembled in the
same order to ensure proper rotor balance, shredding
efficiency, and safety. See Figure 14 for correct
position of parts.
6. Using a 5/16” Allen wrench, remove the socket head
cap screw (A, Figure 14), lockwasher (B), flat washer
(C), and spacer tube (D), being careful to catch the
parts as the cap screw is removed.
7. Wipe the hammer and spacer tube clean, and inspect
for excessive wear.
• If the spacer tube has light grooves worn into it,
the tube may be reused by flipping its position over
when reinstalling it.
• If the spacer tube has deep grooves worn into it,
do not reuse the part - replace it using an exact
factory replacement part only.
• Rotate or flip the hammer to provide a new cutting
edge, or install a new hammer if worn out or
damaged.
• Reassemble the hammer and related parts and
hardware, observing the correct assembly
sequence as shown in Figures 10 and 13.
8. Tighten the cap screw (A, Figure 14) securely. For
proper assembly, torque to 30-35 ft. lbs.
9. Rotate rotor to expose next shredding hammer, and
repeat steps 6 - 8. When replacing “J” hammers,
observe the correct placement of the blade toward
the inside or outside of the rotor assembly.
10.If chipping knives are to be inspected or serviced, go
to the following section on chipping knives. If service
is to be done on shredding hammers only, proceed to
next step below.
11.Reassemble the rotor housing using the 5/16-18 hex
nuts removed earlier.
12.Reattach the shredder hopper, repeating the
assembly sequence used when the unit was first
assembled.
13.Check all hardware for tightness and correct
Figure 14. Proper Hammer Assembly
A. Capscrew, Hex Socket Hd. w/Patch,
3/8-16 x 2, Gr. 8
B. Lockwasher, Split, 3/8
C. Washer, Flat, 7/8
D. Spacer, Tube
E. Spacer, 3/4 O.D., 3/4 long
F. Washer, 3/8 (Beaver 8hp only)
G. J Hammer
H. Triangular Hammer
G
F
E
D
A
B
C
H
D
A
B
C
The J Hammer (G) on the opposite
side of the rotor faces outward for
balanced rotation.