Troy-Bilt 204 Operator's Manual page 11

3. Remove and set aside the vacuum bag.
4. a. Remove the four self-tapping screws from the
bottom of the discharge chute. See Figure 5-3.
b. Remove the hex bolt, saddle washer and hex
nut from the top and remove the discharge chute
assembly. See Figure 5-3.
5. a. Remove the two hex bolts and hex nuts which
extend through the impeller housing.
b. Lift the flail screen from inside the housing. See
Figure 5-4.
6. Clean the flail screen by scraping and/or washing with
water, and reinstall the screen.
NOTE: Be certain to reassemble the flail screen with the
curved side down.
7. Reattach the discharge chute assembly with the
hardware previously removed and attach the bag to
the unit.
Sharpening Or Replacing Chipper
Blades
NOTE: When tipping the unit, empty the fuel tank and
keep engine spark plug side up.
1. Disconnect spark plug wire and ground it against
engine.
2. Remove flail screen as instructed in previous section.
3. a. Remove plastic belt cover from front of the engine
by removing the two self-tapping screws. See
Figure 5-5 on next page.
b. Remove the access plate by removing two hex lock
nuts.
c. Locate one of the chipper blades in the access
opening by rotating the impeller assembly by hand.
Remove the chipper blade using a 3/16" allen
wrench and a 1/2" wrench. See Figure 5-5.
4. Remove other blade in the same manner to replace or
sharpen.
WARNING: Use caution when replacing
the blades. Wear heavy gloves to avoid
injury while handling the weld bolts,
housing or the blades.
NOTE: When sharpening blades, follow the original angle
of grind. Also, make sure to remove an equal amount
from each blade and torque hardware to 250 - 300 in.lb.
IMPORTANT: Make sure that blades are reassembled
with the sharp edge facing upward.
Tire Pressure
(Pneumatic tires only)
Maximum tire pressure under any circumstance is 30 psi.
Equal tire pressure should be maintained at all times.
assembly.
A
Figure -3
A
Figure -4
A
C
Figure -
11
B
A
B
B

Maintaining
Your
Chipper
Shredder
Vacuum
WARNING
Use caution when re-
placing the blades. Wear
heavy gloves to avoid
injury while handling the
weld bolts, housing or
the blades.
NOTE: Be certain to
reassemble the flail
screen with the curved
side down.
NOTE: When sharpen-
ing blades, follow the
original angle of grind.
Also, make sure to re-
move an equal amount
from each blade and
torque hardware to 250
- 300 in.lb.