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11
• Stop the engine and make certain the chipper
shredder vacuum has come to a complete stop.
• Disconnect spark plug wire from spark plug and
ground against the engine.
• Remove the vacuum bag from the unit.
• Remove the four self-tapping screws from the
bottom of the discharge chute, and the hex bolt, flat
washer and hex nut from the top. Remove the
discharge chute assembly. See Figure 13.
• Remove the two hex bolts and hex nuts which
extend through the impeller housing. Lift the flail
screen from the inside the housing. See Figure 13.
• Clean the screen by scraping or washing with water
and reinstall the screen.
NOTE: Be certain to reassemble the flail screen with
the curved side down.
Figure 13
• Reattach the discharge chute assembly with the
hardware previously removed and connect the bag
to unit.
Sharpening Or Replacing Chipper Blades
NOTE: When tipping the unit, empty the fuel tank and
keep spark plug side up.
• Disconnect the spark plug wire and ground it
against the engine.
• Remove the flail screen as instructed in the
previous section.
• Remove the plastic belt cover on the front of the
engine by removing the two self-tapping screws.
See Figure 14.
• Remove the access plate by removing two hex lock
nuts. See Figure 14.
• 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.
• Remove other blade in the same manner to replace
or sharpen.
Figure 14
WARNING: Use caution when replacing
the blades, wear heavy gloves to avoid a
contact injury with the weld bolts or the
housing while loosening or tightening the
blades.
• When sharpening blades, follow the original angle
of grind. Also, make sure to remove an equal
amount from each blade and torque hardware 250 -
300 in. lbs.
NOTE: Make certain blades are reassembled with the
sharp edge facing upward.
Belt Removal And Replacement
NOTE: Because the engine on this has a tapered
crankshaft, a special impeller removal tool (part number
753-0638) is required to remove impeller assembly.
Contact your local service dealer.
• Disconnect the spark plug wire and ground it away
from the spark plug.
• Drain the gasoline and oil from the chipper
shredder vacuum.
• Remove the three wing nuts that secure the nozzle
to the outer housing and remove the nozzle. Refer
to Figure 2.
• Remove the vacuum bag from the unit.
• Remove the discharge chute as instructed in the
previous section Removing The Flail Screen.
Discharge
Chute
Hex Bolt
Flat Washer
Hex Nut
Self-Tapping
Screws
Flail Screen
Hex Bolts
Hex Nuts
Belt
Cover
Self-Tapping
Screws
Access Plate
Hex
Lock Nuts