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7. Install a replacement blade (Part No. 742-0544) with the
hardware removed earlier or sharpen.
IMPORTANT: When sharpening the blade, protect hands by
using gloves. Follow the original angle of grind and make
sure to remove an equal amount from each blade.
8. To replace the other blade, rotate the impeller to expose
the second blade and repeat the steps above.
NOTE: Make certain blades are reassembled with the sharp
edge outward (toward the chipper chute). Torque hardware
to between 20 ft.-lbs and 25 ft.-lbs.
Shredder Blade
WARNING: The shredder blade is sharp. Wear
leather work gloves to protect your hands.
1. Stop engine, disconnect spark plug, and make certain that
all moving parts have come to a complete stop.
2. Remove the two flange nuts (and hex bolts) which secure
the hopper support bracket to the impeller housing. Retain
the hardware. See Fig. 7-2.
3. Pivot the shredder screen upward as instructed under the
heading Cleaning the Reduction Chamber.
Blade Care
Chipper Blades
WARNING: The impeller’s chipper blades are
sharp. Wear leather work gloves to protect your
hands.
1. Stop engine, disconnect spark plug, and make certain the
chipper shredder has come to a complete stop.
2. Pivot the shredder screen upward as instructed under the
heading Cleaning the Reduction Chamber.
3. Remove the chipper chute support brace from the frame
by removing the two hex bolts and saddle washers which
secure it. See Fig. 7-1A.
4. Remove the chipper chute by removing three hex nuts and
washers which secure it to the impeller housing. See Fig.
7-1B.
5. Rotate the impeller by hand until one of the two chipper
blades is visible through the impeller housing opening.
6. Remove the blade by removing the internal hex screws,
lock washers and hex nuts which secure it to the impeller.
See Fig. 7-1C. Retain the hardware.
NOTE: Use a 3/16” hex key (Allen) wrench on the outside of
the blade and a 1/2” box (or socket) wrench on the inside of
the impeller. Hold the Allen wrench stationary and rotate
the box (or socket) wrench to loosen the nut.
Figure 7-1
Figure 7-2
A
C
B
Model Series CS 3210 Shown