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McCulloch GBV325 [9/12] More user manuals on

McCulloch GBV325 [9/12] More user manuals on
More user manuals on ManualsBase.com
-- 9 --
A dirty air filter decreases engine perform-
ance and increases fuel consumption and
harmful emissions. Always clean after every
5 hours of operation or yearly, whichever
comes first.
1. Clean the cover and the area around it to
keep debris from falling into the carburetor
chamber when the cover is removed.
NOTE: Move choke lever to RUN position
before opening air filter cover .
2. Remove parts as illustrated.
NOTE: Do not clean filter in gasoline or
other flammable solvent. Doing so can
create a fire hazard or produce harmful
evaporative emissions.
3. Wash the filter in soap and water.
4. Allow filter to dry.
5. Apply a few drops of oil to the filter;
squeeze filter to distribute oil.
6. Replace parts.
REPLACE SPARK PLUG
Replace spark plug each year to ensure the
engine starts easier and runs better . Set
spark plug gap at 0.6 mm. Ignition timing is
fixed, nonadjustable.
1. Twist, then pull off spark plug boot.
2. Remove spark plug from cylinder and dis-
card.
3. Replace with Champion RCJ-6Y spark
plug and tighten securely with a 19 mm
socket wrench.
4. Reinstall the spark plug boot.
REPLACE FUEL FILTER
To replace fuel filter, drain unit by running it dry of
fuel, then remove fuel cap/retainer assembly
from tank. Pull filter from tank and remove it from
fuel line. Install new fuel filter on fuel line; reinstall
parts.
Fuel Line
Fuel Filter
CHECK MUFFLER MOUNTING
SCREWS
Once each year, ensure muf fler mounting
screws are secure and tightened properly to
prevent damage.
Muffler
Mounting
Screw
CARBURETOR ADJUSTMENTS
The carburetor has been carefully set at the
factory. Adjustments may be necessary if you
notice any of the following conditions:
S Engine will not idle when the throttle is re-
leased.
Idle Speed Adjustment
Allow engine to idle. Adjust speed untilengine
runs without stalling (idle speed too slow).
S Turn idle speed screw clockwise to in-
crease engine speed if enginestalls or dies.
S Turn idle speed screw counterclockwise to
decrease engine speed.
Air
Filter
Cover
Idle Speed Screw
If you require further assistance or are unsure
about performing this procedure, contact an
authorized service dealer.

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