Maintenance – Ryobi RY52004 User Manual
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MAINTENANCE
CAUTION:
Dull or improperly sharpened chain can cause excessive
engine speed during cutting which may result in severe
engine damage.
WARNING:
Improper chain sharpening increases the potential of
kickback. Failure to replace or repair damaged chain
can cause serious injury.
CLEANING THE EXHAUST PORT AND
MUFFLER
Depending on the type of fuel used, the type and amount of
oil used, and/or your operating conditions, the exhaust port
and muffler may become blocked with carbon deposits. If
you notice a power loss with your gas powered tool, a quali-
fied service technician will need to remove these deposits
to restore performance.
SPARK ARRESTOR
The spark arrestor must be cleaned or replaced every 25 hours
or yearly to ensure proper performance of your product. For
the location of the spark arrestor and specific cleaning in-
structions, contact your nearest authorized service center.
REPLACING AND CLEANING AIR FILTER
See Figures 28 - 29.
For proper performance and long life, keep air filter clean.
n
Remove the air filter cover by pushing down on the latch
with your thumb while gently pulling on the cover.
n
Remove the filter, clean it in warm soapy water. Rinse
and let dry completely. For best performance, replace
annually.
n
Reinstall the filter.
n
Replace the air filter cover by inserting the tabs on the
bottom of the cover into the slots on the air filter base;
push the cover up until it latches securely in place.
Fig. 28
FILTER
Fig. 29
AIR FILTER COVER
KNOB
AIR FILTER BASE
AIR FILTER COVER