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Routine Maintenance
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WARNING
Disconnect the spark plug before performing maintenance .
A
Air Filter:
Your Trimmer has been equipped with two air filters inside the housing . Accumulated debris and dust in the air filter will
reduce engine performance, increase fuel consumption and increases the risk of engine damage . Clean the air filters
every 5 hours of operation . It may be necessary to clean the air filter more often in dry conditions due to a large amount
of airborn debris .
1 .
Before removing air filter cover, brush away any loose
dirt or debris on and around the pre-filter located in
the outer filter housing .
2 .
Remove air filter by unscrewing the retaining fastener .
(Fig . 28)
3 .
Remove and clean foam filter . (Fig . 30)
• Light surface dust can readily be removed by
tapping the filter .
• Heavy deposits should be washed out in soap
and water . Squeeze out any remaining water and
allow the filter to completely dry .
WARNING
Never clean filter in gasoline or other flammable solvents .
4 .
Add four drops of thin oil to the foam filter, squeeze
out excess and replace .
5 .
Remove the paper air filter element . (Fig 31) Clean
filter by gently tapping it on a flat surface . If very dirty,
replace with a new filter .
6 .
Reassemble the air filter element and air filter cover .
B
Engine Air Intake Screen:
NOTICE
It is critical that the engine air intake screen be cleaned of debris to maintain acceptable engine temperatures . It is
recommended that the screen be cleaned every time the trimmer string is replaced .
1 .
Stop the engine and disconnect the spark plug wire .
2 .
Allow the unit to cool .
3 .
Using a dry cloth or brush, remove debris from the
screen . The screen is located between the engine and
the fuel tank and is accessible on all sides .
4 .
The front flexible shield can be deflected for access to
the front screen .
WARNING
The engine and exhaust system may be hot and can cause skin burns . Allow engine to cool and use caution around
hot surfaces .
Questions? Call Toll Free at 1-800-737-2112
EN-11
Copyright © 2017 MAT Engine Technologies, LLC
Fig. 28
Fig. 30
Fig. 29
Fig. 31
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