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a Servicing Dealer for adjustment and
discontinue use until the repair is made.
• Screw L must be adjusted so that the engine
promptly responds to sharp accelerations
and gives good idle operation.
• Screw H must be adjusted so that the
engine gives maximum power during the
cutting phase.
Fuel Filter
Check the fuel fi lter
(Fig. 22)
periodically.
Replace it if contaminated or damaged.
Air Filter
WARNING: Do not clean fi lter
in gasoline or other fl ammable
solvent to avoid creating a fi re
hazard or producing harmful
evaporative emissions.
If a power drop is noticed, check the air fi lter.
Open the air fi lter cover (A) and check the air
fi lter
(C, Fig. 23)
each day, change the fi lter if
heavily clogged or damaged.
DS 2200:
Clean with Emak degreaser p/n
001101009A, rinse with water and blast dry
with compressed air.
DS 2400:
Clean with Emak degreaser p/n
001101009A, rinse with water and blast dry
with compressed air, not too close, blowing
from the inside outwards.
Reinstall the air fi lter into cover. Place the air
fi lter cover onto the brush cutter. Tighten the
air fi lter cover screw (B) securely.
A used air fi lter can never be completely
cleaned. It is advisable to replace your air fi lter
with a new one after six month of operation.
Make sure the cover and the support are
clean before fi tting the new fi lter.
CAUTION: Never run the engine
without the air fi lter, serious
damage could result.
Make sure the air fi lter is correctly
placed in the air fi lter cover before
reassembly.
Always replace damaged fi lters.
Do not clean a fi lter with a brush.
Starter Unit
WARNING: The coil spring is
under tension and could fl y apart
causing serious injuries. Never try
to disassemble or modify it.
Engine
Clean the cylinder fi ns with compressed air or
a brush periodically. Dangerous overheating
of engine may occur due to impurities on the
cylinder.
WARNING: Never run the machine
without all the parts, including
the starting housing, securely in
place.
Because parts can fracture and
pose a danger of thrown objects,
leave repairs to the fl ywheel and
clutch to trained Servicing Dealers.
Spark Plug
This engine uses a NGK CMR7H with .02”
(0.5 mm) electrode gap
(Fig. 24)
. Use an
exact replacement and replace every six
months or more frequently, if necessary.
MAINTENANCE