15
Regular Maintenance
Figure 8. Inspect Chipper Knives
A. Chipper Cone
A
Inspect Chipping Knives
Service Interval: Every 25 Hours, or As Necessary
The chipping knives of this unit can be rotated or
sharpened to provide a new cutting surface as required.
When inspecting the knives be careful to avoid touching
the sharpened edges. To inspect the chipping knives:
1. Disconnect the spark plug wire and secure it away
from the spark plug.
2. See Figure 8. Remove the nuts securing the chipper
cone to the front of the chipper. Remove the chipper
cone (A) to access the knives.
3. Using the recoil starter, slowly pull the starter rope to
rotate the rotor into position so the blades can be
seen.
To sharpen or replace the chipper knives, see the
Troubleshooting and Repair section.
WARNING
To avoid serious injury from accidental starting,
always disconnect the spark plug wire and secure it
away from the spark plug when servicing the unit.
Figure 9. Change Air Filter
A. Screw
B. Filter Cover
C. Pre-Cleaner
D. Air Filter Element
E. Air Filter Base
F. Slots and Tabs
A
B
C
D
E
F
Check / Change Engine Air
Cleaner
Service Interval: Every 25 Hours
The engine air cleaner assembly should be opened,
inspected, and the filer element replaced every 25 hours,
or as required if debris has built up in the assembly.
To replace the air filter and pre-cleaner assembly:
1. Loosen the screw (A, Figure 9) and remove the filter
cover (B).
2. Inspect the pre-cleaner (C) and air filter element (D).
If either are soiled, then replace.
3. Insert the new pre-cleaner (C) and air filter element
(D) inside the filter cover (B). Make sure the arrows
on the filter element are pointed up, and the lip of the
pre-cleaner covers the bottom filter pleats.
4. Insert the cover tabs (F) into the filter base slots.
5. Tilt the cover up into place and tighten the screw (A).
Replace Spark Plug
Please contact your authorized dealer to perform this
service.
