Chipper / Shredder Servicing - Troy-Bilt CS 4265 Service Manual

Chipper / Shredder Servicing

2.3. Pivot the shredder screen upward as instructed
under the heading - Cleaning the Reduction
Chamber.
2.4. Remove the chipper chute support brace from
the frame by removing the two hex bolts and
saddle washers which secure it. See Figure 2.
Hex Bolts
2.5. Remove the chipper chute by removing three
hex nuts and washers, which secure it to the
impeller housing. See Figure 3.
Chipper Chute Hex Nuts
Support Brace
Figure 2
Figure 3
2.6. Rotate the impeller by hand until one of the two
chipper blades is visible through the impeller
housing opening. See Figure 4.
2.7. Remove the blade by removing the internal hex
screws, lock washers and hex nuts, which
secure it to the impeller.
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.
2.8. Install a replacement blade (Part No. 742-0544)
with the hardware removed earlier.
IMPORTANT: Make certain blades are reassem-
bled with the sharp edge outward (toward the
chipper chute). Torque hardware to between 20
ft-ibs and 25 ft-ibs.
2.9. To replace the other blade, rotate the impeller to
expose the second blade and repeat steps 2.7
through 2.8.
3. REPLACING THE SHREDDER BLADE
WARNING: The impeller's shredder blade is
sharp. Wear leather work gloves to protect your
hands.
3.1. Stop the engine and make certain that all moving
parts have come to a complete stop.
2
Impeller
Chipper Blade
Figure 4