Fuel Filter; Air Filter; Starter Unit; Engine - Efco DS 3500 S Manuel D'utilisation Et D'entretien

engine gives maximum power during the
cutting phase.
en

Fuel Filter

Check the fuel filter (Fig. 21) periodically.
Replace it if contaminated or damaged.

Air Filter

WARNING: Do not clean filter
in gasoline or other flammable
solvent to avoid creating a fire
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 (B, Fig.22) each day, change the fi lter if
heavily clogged or damaged.
Blow with compressed air, at a distance.
Reinstall the air fi lter into cover. Place the air
fi lter cover onto the brush cutter. Tighten the
air fi lter cover screw securely.
A used air filter 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 filter, 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.
28
MAINTENANCE

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 BPMR7A with .02"
(0.5 mm) electrode gap (Fig. 23). Use an
exact replacement and replace every six
months or more frequently, if necessary.
WA R N I N G : N e v e r t e s t t h e
ignition system with ignition wire
connector removed from spark
plug or with unseated spark plug,
since uncontained sparking may
cause a fi re. A loose connection
between spark plug terminal and
ignition wire connector in the
boot may create arcing that could
ignite combustible fumes and
cause a fi re.