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MAINTENANCE
WARNING: A faulty or altered spark arrester system
screen can create a fire hazard.
Through normal use the screen can become dirty and should be
inspected weekly and cleaned as required.
To clean:
• Allow the muffler to cool.
• Remove the stop spring (A, Fig. 69)
• Remove the spark arrester screen (B).
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• Clean and inspect the spark arrester screen.
• Reassemble components in reversed order of removal.
The Spark Arrester System needs a periodic and accurate
maintenance and cleaning, in particular:
- check periodically the spark arrester screen and substitute it
when holes, bends or deformations appear;
- check carefully if dust, debris or organic material is in contact
with parts of the Spark Arrester System; clean it often with tools
or shop air.
WARNING: Do not operate your brush cutter if the
muffler is damaged, missing or modified. An
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improperly maintained muffler will increase the risk
of fire and hearing loss.
Bevel Gear (Fig. 70)
Fill with grease using the correct tube to the level of the lower lip
of the access hole (A). Do not use more than 0.02 lb (10 grams).
CAUTION: do not use a grease gun. The high
pressure can damage the bearings and seals.
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Use high quality molybdenum bisulphide grease.
Guard (Fig. 71)
WARNING: If the cutting tool or deflector becomes
clogged or stuck, always turn off the engine and
make sure the cutting tool has stopped before
cleaning. Grass, weeds, etc. should be cleaned off
the cutting tool at regular intervals.
Replace guard if damaged.