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9. Maintenance
GUIDE BAR
1. Remove sawdust in the bar groove and the
oiling port. (MA5)
2. Grease the nose sprocket from the feeding port
on the tip of the guide bar. (MA6)
3. Periodically turn over the guide bar when
mounting it to the unit, in order to prevent partial
wear.
4. The bar rail should always be a square. Check
for wear of the bar rail. Apply a ruler to the bar
and the outside of a cutter. If a gap is observed
between them, the rail is normal. Otherwise, the
bar rail is worn. Such a bar needs to be
corrected or replaced. (MA7)
AIR FILTER
A clogged air filter can reduce the engine
performance. Daily check the filter elements and
tap off attached saw dust. When cleaning, use
warm, soapy water and dry completely before
installing. When the element is broken or shrunk,
replace with a new one. (MA8)
MA7
MA8
MA6
MA5
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