Efco DS 2700 - Fuel Filter and Air Filter Maintenance; Spark Plug, Muffler, and Starter Safety; Spark Plug and Muffler Maintenance; Starter Unit Safety Warning

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Fuel Filter
Check the fuel lter (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 lter.
Open the air lter cover (A) and check the air
lter (B, Fig.22) each day, change the lter if
heavily clogged or damaged.
Blow with compressed air, at a distance.
Reinstall the air lter into cover. Place the air
lter cover onto the brush cutter. Tighten the
air lter cover screw securely.
A used air filter can never be completely
cleaned. It is advisable to replace your
air lter with a new one after six month of
operation.
Make sure the cover and the support are
clean before tting the new lter.
CAUTION: Never run the engine
without the air filter, serious
damage could result.
Make sure the air lter is correctly
placed in the air lter cover before
reassembly.
Always replace damaged lters.
Do not clean a lter with a brush.
Starter Unit
WARNING: The coil spring is
under tension and could y apart
causing serious injuries. Never try
to disassemble or modify it.
Engine
Clean the cylinder 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 ywheel and
clutch to trained Servicing Dealers.
Spark Plug
This engine uses a NGK CMR7A with .02”
(0.5 mm) electrode gap (Fig. 23). Use an
exact replacement and replace every six
months or more frequently, if necessary.
WARNING: Never test the
ignition system with ignition wire
connector removed from spark
plug or with unseated spark plug,
since uncontained sparking may
cause a 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 re.
MAINTENANCE